camel_core/lifecycle/application/
route_definition.rs

1// lifecycle/application/route_definition.rs
2// Route definition and builder-step types. Route (compiled artifact) lives in adapters.
3
4use std::sync::Arc;
5
6use camel_api::UnitOfWorkConfig;
7use camel_api::circuit_breaker::CircuitBreakerConfig;
8use camel_api::error_handler::ErrorHandlerConfig;
9use camel_api::loop_eip::LoopConfig;
10use camel_api::security_policy::SecurityPolicyConfig;
11use camel_api::{
12    AggregatorConfig, FilterPredicate, MulticastConfig, OpaqueProcessor, ResequencePolicyConfig,
13    SplitterConfig,
14};
15use camel_auth::TokenAuthenticator;
16use camel_component_api::ConcurrencyModel;
17
18/// An unresolved when-clause: predicate + nested steps for the sub-pipeline.
19#[derive(Clone)]
20pub struct WhenStep {
21    pub predicate: FilterPredicate,
22    pub steps: Vec<BuilderStep>,
23}
24
25impl std::fmt::Debug for WhenStep {
26    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
27        f.debug_struct("WhenStep")
28            .field("predicate", &self.predicate)
29            .field("steps", &self.steps)
30            .finish()
31    }
32}
33
34pub use camel_api::declarative::{LanguageExpressionDef, ValueSourceDef};
35
36/// Declarative `when` clause resolved later by the runtime.
37#[derive(Debug, Clone)]
38pub struct DeclarativeWhenStep {
39    pub predicate: LanguageExpressionDef,
40    pub steps: Vec<BuilderStep>,
41}
42
43/// Builder struct for a single `doCatch` clause in the declarative pipeline.
44#[derive(Debug, Clone)]
45pub struct DoTryCatchClauseBuilder {
46    pub exception: Option<Vec<String>>,
47    pub when: Option<LanguageExpressionDef>,
48    pub on_when: Option<LanguageExpressionDef>,
49    pub disposition: camel_api::error_handler::ExceptionDisposition,
50    pub steps: Vec<BuilderStep>,
51}
52
53/// Builder struct for the `doFinally` block in the declarative pipeline.
54#[derive(Debug, Clone)]
55pub struct DoTryFinallyBuilder {
56    pub on_when: Option<LanguageExpressionDef>,
57    pub steps: Vec<BuilderStep>,
58}
59
60/// A step in an unresolved route definition.
61#[derive(Debug, Clone)]
62pub enum BuilderStep {
63    /// A pre-built Tower processor service.
64    Processor(OpaqueProcessor),
65    /// A destination URI — resolved at start time by CamelContext.
66    To(String),
67    /// A stop step that halts processing immediately.
68    Stop,
69    /// A static log step.
70    Log {
71        level: camel_processor::LogLevel,
72        message: String,
73    },
74    /// Declarative set_header (literal or language-based value), resolved at route-add time.
75    DeclarativeSetHeader {
76        key: String,
77        value: ValueSourceDef,
78    },
79    /// Declarative set_header_if_absent (internal-only), resolved at route-add time.
80    DeclarativeSetHeaderIfAbsent {
81        key: String,
82        value: ValueSourceDef,
83    },
84    /// Declarative remove_header, resolved at route-add time.
85    DeclarativeRemoveHeader {
86        key: String,
87    },
88    DeclarativeSetProperty {
89        key: String,
90        value_source: ValueSourceDef,
91    },
92    /// Declarative set_body (literal or language-based value), resolved at route-add time.
93    DeclarativeSetBody {
94        value: ValueSourceDef,
95    },
96    /// Declarative filter using a language predicate, resolved at route-add time.
97    DeclarativeFilter {
98        predicate: LanguageExpressionDef,
99        steps: Vec<BuilderStep>,
100    },
101    /// Declarative choice/when/otherwise using language predicates, resolved at route-add time.
102    DeclarativeChoice {
103        whens: Vec<DeclarativeWhenStep>,
104        otherwise: Option<Vec<BuilderStep>>,
105    },
106    /// Declarative script step evaluated by language and written to body.
107    DeclarativeScript {
108        expression: LanguageExpressionDef,
109    },
110    DeclarativeFunction {
111        definition: camel_api::FunctionDefinition,
112    },
113    /// Declarative split using a language expression, resolved at route-add time.
114    DeclarativeSplit {
115        expression: LanguageExpressionDef,
116        aggregation: camel_api::splitter::AggregationStrategy,
117        parallel: bool,
118        parallel_limit: Option<usize>,
119        stop_on_exception: bool,
120        steps: Vec<BuilderStep>,
121    },
122    /// Declarative stream split using a streaming split expression, resolved at route-add time.
123    DeclarativeStreamSplit {
124        stream_config: camel_api::StreamSplitConfig,
125        aggregation: camel_api::splitter::AggregationStrategy,
126        stop_on_exception: bool,
127        steps: Vec<BuilderStep>,
128    },
129    DeclarativeDynamicRouter {
130        expression: LanguageExpressionDef,
131        uri_delimiter: String,
132        cache_size: i32,
133        ignore_invalid_endpoints: bool,
134        max_iterations: usize,
135    },
136    DeclarativeRoutingSlip {
137        expression: LanguageExpressionDef,
138        uri_delimiter: String,
139        cache_size: i32,
140        ignore_invalid_endpoints: bool,
141    },
142    /// A Splitter sub-pipeline: config + nested steps to execute per fragment.
143    Split {
144        config: SplitterConfig,
145        steps: Vec<BuilderStep>,
146    },
147    /// An Aggregator step: collects exchanges by correlation key, emits when complete.
148    Aggregate {
149        config: AggregatorConfig,
150    },
151    /// A Filter sub-pipeline: predicate + nested steps executed only when predicate is true.
152    Filter {
153        predicate: FilterPredicate,
154        steps: Vec<BuilderStep>,
155    },
156    /// A Choice step: evaluates when-clauses in order, routes to the first match.
157    /// If no when matches, the optional otherwise branch is used.
158    Choice {
159        whens: Vec<WhenStep>,
160        otherwise: Option<Vec<BuilderStep>>,
161    },
162    /// A WireTap step: sends a clone of the exchange to a tap endpoint (fire-and-forget).
163    WireTap {
164        uri: String,
165    },
166    /// A Multicast step: sends the same exchange to multiple destinations.
167    Multicast {
168        steps: Vec<BuilderStep>,
169        config: MulticastConfig,
170    },
171    /// Declarative log step with a language-evaluated message, resolved at route-add time.
172    DeclarativeLog {
173        level: camel_processor::LogLevel,
174        message: ValueSourceDef,
175    },
176    /// Bean invocation step — resolved at route-add time.
177    Bean {
178        name: String,
179        method: String,
180    },
181    /// Script step: executes a script that can mutate the exchange.
182    /// The script has access to `headers`, `properties`, and `body`.
183    Script {
184        language: String,
185        script: String,
186    },
187    /// Throttle step: rate limiting with configurable behavior when limit exceeded.
188    Throttle {
189        config: camel_api::ThrottlerConfig,
190        steps: Vec<BuilderStep>,
191    },
192    /// LoadBalance step: distributes exchanges across multiple endpoints using a strategy.
193    LoadBalance {
194        config: camel_api::LoadBalancerConfig,
195        steps: Vec<BuilderStep>,
196    },
197    /// DynamicRouter step: routes exchanges dynamically based on expression evaluation.
198    DynamicRouter {
199        config: camel_api::DynamicRouterConfig,
200    },
201    RoutingSlip {
202        config: camel_api::RoutingSlipConfig,
203    },
204    RecipientList {
205        config: camel_api::recipient_list::RecipientListConfig,
206    },
207    DeclarativeRecipientList {
208        expression: LanguageExpressionDef,
209        delimiter: String,
210        parallel: bool,
211        parallel_limit: Option<usize>,
212        stop_on_exception: bool,
213        aggregation: String,
214    },
215    Delay {
216        config: camel_api::DelayConfig,
217    },
218    /// Runtime loop with closure-based predicate (programmatic DSL).
219    Loop {
220        config: LoopConfig,
221        steps: Vec<BuilderStep>,
222    },
223    /// Declarative loop with optional language-based while predicate (YAML DSL).
224    DeclarativeLoop {
225        count: Option<usize>,
226        while_predicate: Option<LanguageExpressionDef>,
227        steps: Vec<BuilderStep>,
228        max_iterations: Option<usize>,
229    },
230    /// EIP-7 enrich: synchronous content enrichment via a resolved producer.
231    Enrich {
232        uri: String,
233        strategy: Option<String>,
234        timeout_ms: Option<u64>,
235    },
236    /// EIP-7 pollEnrich: blocking poll of a PollingConsumer with timeout.
237    PollEnrich {
238        uri: String,
239        strategy: Option<String>,
240        timeout_ms: Option<u64>,
241    },
242    /// Validate step: evaluates a language expression as predicate.
243    /// Exchange passes if predicate returns true; else CamelError::ValidationError.
244    Validate {
245        predicate: LanguageExpressionDef,
246    },
247    /// Claim Check step (EIP). Transforms the exchange body to/from a
248    /// `ClaimCheckRepository` by key. Process-mode, no child pipeline.
249    /// `filter` enables selective merge-back of body/headers during checkout.
250    ClaimCheck {
251        repository: String,
252        operation: String,
253        key: LanguageExpressionDef,
254        filter: Option<String>,
255    },
256    /// Sampling step (EIP). Passes 1 of every N exchanges (counter-based,
257    /// deterministic). Non-sampled exchanges get CamelStop=true (drop semantics).
258    /// Process-mode, stateless. No StepLifecycle — counter is route-scoped.
259    Sampling {
260        period: usize,
261    },
262    /// Sort step (EIP). Orders a body array by extracting a sort key
263    /// from each element via a language expression. Process-mode, stateless.
264    Sort {
265        expression: LanguageExpressionDef,
266        reverse: bool,
267    },
268    /// Idempotent Consumer step (EIP). Wraps a child sub-pipeline that runs
269    /// only when the message-id is NOT present in the named repository.
270    /// Compiled to a `IdempotentConsumerSegment` (OutcomePipeline, segment-mode).
271    IdempotentConsumer {
272        repository: String,
273        expression: LanguageExpressionDef,
274        steps: Vec<BuilderStep>,
275        eager: bool,
276        remove_on_failure: bool,
277    },
278    /// Cache step (EIP). Wraps a child sub-pipeline that runs only on cache
279    /// miss; on hit the stored body is reconstructed and the child is skipped.
280    /// Compiled to a `CacheService` (OutcomePipeline, segment-mode).
281    Cache {
282        repository: Option<String>,
283        key: LanguageExpressionDef,
284        ttl: Option<String>,
285        max_entry_bytes: Option<usize>,
286        /// Coalesce concurrent misses on the same key into one `on_miss` run.
287        coalesce_misses: bool,
288        on_miss: Vec<BuilderStep>,
289    },
290    /// Cache Invalidate step (EIP). Removes a single cache entry by exact key
291    /// (`key`) or every entry under a namespace prefix (`key_prefix`) — exactly
292    /// one of the two. Compiled to a `CacheInvalidateService` (OutcomePipeline,
293    /// segment-mode).
294    CacheInvalidate {
295        repository: Option<String>,
296        key: Option<LanguageExpressionDef>,
297        key_prefix: Option<LanguageExpressionDef>,
298    },
299    /// Cache Clear step (EIP). Removes all entries from the repository.
300    /// Compiled to a `CacheClearService` (OutcomePipeline, segment-mode).
301    CacheClear {
302        repository: Option<String>,
303    },
304    /// Cache Stats step (EIP). Emits the repository stats as a JSON body.
305    /// Compiled to a `CacheStatsService` (OutcomePipeline, segment-mode).
306    CacheStats {
307        repository: Option<String>,
308    },
309    /// Cache Peek Stale step (EIP). Serves a stale (post-expiry) cache entry.
310    /// Compiled to a `CachePeekStaleService` (OutcomePipeline, segment-mode).
311    CachePeekStale {
312        repository: Option<String>,
313        key: LanguageExpressionDef,
314        on_miss: camel_processor::PeekStaleMissPolicy,
315    },
316    /// Declarative doTry/doCatch/doFinally, resolved at route-add time.
317    DeclarativeDoTry {
318        try_steps: Vec<BuilderStep>,
319        catch: Vec<DoTryCatchClauseBuilder>,
320        finally: Option<DoTryFinallyBuilder>,
321    },
322    /// Resequencer EIP: resequences exchanges by sequence number.
323    /// Must be a top-level step (not nested inside structural EIPs).
324    Resequence {
325        policy_config: ResequencePolicyConfig,
326    },
327}
328
329/// An unresolved route definition. "to" URIs have not been resolved to producers yet.
330pub struct RouteDefinition {
331    pub(crate) from_uri: String,
332    pub(crate) steps: Vec<BuilderStep>,
333    /// Optional per-route error handler config. Takes precedence over the global one.
334    pub(crate) error_handler: Option<ErrorHandlerConfig>,
335    /// Optional circuit breaker config. Applied between error handler and step pipeline.
336    pub(crate) circuit_breaker: Option<CircuitBreakerConfig>,
337    /// Circuit breaker fallback sub-pipeline, as UNRESOLVED steps.
338    ///
339    /// Sibling of [`RouteDefinition::circuit_breaker`]: the DSL layers thread
340    /// `Vec<BuilderStep>` here (same rule as `cache_peek_stale.on_miss`) and
341    /// camel-core compiles it via the `StepCompilerRegistry` when the route is
342    /// compiled. The resolved `CircuitBreakerConfig.fallback` (`BoxProcessor`)
343    /// stays `None` until that compile — the DSL never constructs processors.
344    pub(crate) circuit_breaker_fallback: Vec<BuilderStep>,
345    pub(crate) security_policy: Option<SecurityPolicyConfig>,
346    /// Optional token authenticator for validating JWT/OAuth tokens.
347    pub(crate) security_authenticator: Option<Arc<dyn TokenAuthenticator>>,
348    /// Named authentication providers for this route, injected into the
349    /// consumer `SecurityContext` so Phase-2 transports can resolve them.
350    pub(crate) provider_registry: Option<Arc<camel_auth::ProviderRegistry>>,
351    /// Declared provider name for plan compilation (`security_policy.provider`
352    /// in the DSL). Resolved against the provider registry at staging time;
353    /// a missing name fails compilation instead of downgrading to `Public`.
354    pub(crate) security_provider: Option<String>,
355    /// Route-level audience override for plan compilation. When present the
356    /// compiled `RouteSecurityPlan.audience_binding` uses these audiences
357    /// (issuers still come from the provider); when absent the resolved
358    /// provider's binding is copied verbatim.
359    pub(crate) security_audiences: Option<Vec<String>>,
360    /// Optional Unit of Work config for in-flight tracking and completion hooks.
361    pub(crate) unit_of_work: Option<UnitOfWorkConfig>,
362    /// User override for the consumer's concurrency model. `None` means
363    /// "use whatever the consumer declares".
364    pub(crate) concurrency: Option<ConcurrencyModel>,
365    /// Unique identifier for this route. Required.
366    pub(crate) route_id: String,
367    /// Whether this route should start automatically when the context starts.
368    pub(crate) auto_startup: bool,
369    /// Order in which routes are started. Lower values start first.
370    pub(crate) startup_order: i32,
371    pub(crate) source_hash: Option<u64>,
372}
373
374impl RouteDefinition {
375    /// Create a new route definition with the required route ID.
376    pub fn new(from_uri: impl Into<String>, steps: Vec<BuilderStep>) -> Self {
377        Self {
378            from_uri: from_uri.into(),
379            steps,
380            error_handler: None,
381            circuit_breaker: None,
382            circuit_breaker_fallback: Vec::new(),
383            security_policy: None,
384            security_authenticator: None,
385            provider_registry: None,
386            security_provider: None,
387            security_audiences: None,
388            unit_of_work: None,
389            concurrency: None,
390            route_id: String::new(), // Will be set by with_route_id()
391            auto_startup: true,
392            startup_order: 1000,
393            source_hash: None,
394        }
395    }
396
397    /// The source endpoint URI.
398    pub fn from_uri(&self) -> &str {
399        &self.from_uri
400    }
401
402    /// The steps in this route definition.
403    pub fn steps(&self) -> &[BuilderStep] {
404        &self.steps
405    }
406
407    /// Transform the step list, consuming and returning self.
408    /// Used for post-parse instrumentation (e.g. benchmark timing injection
409    /// around `To` steps). The field stays private; callers rebuild via this
410    /// consuming method rather than holding a `&mut` alias.
411    pub fn map_steps(mut self, f: impl FnOnce(Vec<BuilderStep>) -> Vec<BuilderStep>) -> Self {
412        self.steps = f(self.steps);
413        self
414    }
415
416    /// Set a per-route error handler, overriding the global one.
417    pub fn with_error_handler(mut self, config: ErrorHandlerConfig) -> Self {
418        self.error_handler = Some(config);
419        self
420    }
421
422    /// Get the route-level error handler config, if set.
423    pub fn error_handler_config(&self) -> Option<&ErrorHandlerConfig> {
424        self.error_handler.as_ref()
425    }
426
427    /// Set a circuit breaker for this route.
428    pub fn with_circuit_breaker(mut self, config: CircuitBreakerConfig) -> Self {
429        self.circuit_breaker = Some(config);
430        self
431    }
432
433    /// Set the circuit breaker fallback sub-pipeline (unresolved steps).
434    ///
435    /// Mirror of [`RouteDefinition::with_circuit_breaker`]: the steps are
436    /// compiled by camel-core at route-compile time (registry monopoly) and
437    /// attached to the resolved `CircuitBreakerConfig.fallback`. Empty when no
438    /// CB is configured or the CB has no fallback.
439    pub fn with_circuit_breaker_fallback(mut self, steps: Vec<BuilderStep>) -> Self {
440        self.circuit_breaker_fallback = steps;
441        self
442    }
443
444    /// Set a security policy for this route.
445    pub fn with_security_policy(mut self, config: SecurityPolicyConfig) -> Self {
446        self.security_policy = Some(config);
447        self
448    }
449
450    /// Set a token authenticator for this route.
451    pub fn with_security_authenticator(
452        mut self,
453        authenticator: Arc<dyn TokenAuthenticator>,
454    ) -> Self {
455        self.security_authenticator = Some(authenticator);
456        self
457    }
458
459    /// Set the named authentication providers for this route.
460    ///
461    /// The registry is injected into the consumer `SecurityContext` so
462    /// Phase-2 transports can resolve providers without holding their own
463    /// authenticator.
464    pub fn with_provider_registry(mut self, registry: Arc<camel_auth::ProviderRegistry>) -> Self {
465        self.provider_registry = Some(registry);
466        self
467    }
468
469    /// Set the declared provider name used by plan compilation.
470    pub fn with_security_provider(mut self, name: impl Into<String>) -> Self {
471        self.security_provider = Some(name.into());
472        self
473    }
474
475    /// Set the route-level audience override used by plan compilation.
476    pub fn with_security_audiences(mut self, audiences: Vec<String>) -> Self {
477        self.security_audiences = Some(audiences);
478        self
479    }
480
481    /// The declared provider name, if any.
482    pub fn security_provider(&self) -> Option<&str> {
483        self.security_provider.as_deref()
484    }
485
486    /// The route-level audience override, if any.
487    pub fn security_audiences(&self) -> Option<&[String]> {
488        self.security_audiences.as_deref()
489    }
490
491    /// Set a unit of work config for this route.
492    pub fn with_unit_of_work(mut self, config: UnitOfWorkConfig) -> Self {
493        self.unit_of_work = Some(config);
494        self
495    }
496
497    /// Get the unit of work config, if set.
498    pub fn unit_of_work_config(&self) -> Option<&UnitOfWorkConfig> {
499        self.unit_of_work.as_ref()
500    }
501
502    /// Get the circuit breaker config, if set.
503    pub fn circuit_breaker_config(&self) -> Option<&CircuitBreakerConfig> {
504        self.circuit_breaker.as_ref()
505    }
506
507    pub fn security_policy_config(&self) -> Option<&SecurityPolicyConfig> {
508        self.security_policy.as_ref()
509    }
510
511    pub fn security_authenticator(&self) -> Option<&Arc<dyn TokenAuthenticator>> {
512        self.security_authenticator.as_ref()
513    }
514
515    /// User-specified concurrency override, if any.
516    pub fn concurrency_override(&self) -> Option<&ConcurrencyModel> {
517        self.concurrency.as_ref()
518    }
519
520    /// Override the consumer's concurrency model for this route.
521    pub fn with_concurrency(mut self, model: ConcurrencyModel) -> Self {
522        self.concurrency = Some(model);
523        self
524    }
525
526    /// Get the route ID.
527    pub fn route_id(&self) -> &str {
528        &self.route_id
529    }
530
531    /// Whether this route should start automatically when the context starts.
532    pub fn auto_startup(&self) -> bool {
533        self.auto_startup
534    }
535
536    /// Order in which routes are started. Lower values start first.
537    pub fn startup_order(&self) -> i32 {
538        self.startup_order
539    }
540
541    /// Set a unique identifier for this route.
542    pub fn with_route_id(mut self, id: impl Into<String>) -> Self {
543        self.route_id = id.into();
544        self
545    }
546
547    /// Set whether this route should start automatically.
548    pub fn with_auto_startup(mut self, auto: bool) -> Self {
549        self.auto_startup = auto;
550        self
551    }
552
553    /// Set the startup order. Lower values start first.
554    pub fn with_startup_order(mut self, order: i32) -> Self {
555        self.startup_order = order;
556        self
557    }
558
559    pub fn with_source_hash(mut self, hash: u64) -> Self {
560        self.source_hash = Some(hash);
561        self
562    }
563
564    pub fn source_hash(&self) -> Option<u64> {
565        self.source_hash
566    }
567
568    /// Extract the metadata fields needed for introspection.
569    /// This is used by RouteController to store route info without the non-Sync steps.
570    pub fn to_info(&self) -> RouteDefinitionInfo {
571        RouteDefinitionInfo {
572            route_id: self.route_id.clone(),
573            auto_startup: self.auto_startup,
574            startup_order: self.startup_order,
575            source_hash: self.source_hash,
576        }
577    }
578}
579
580/// Minimal route definition metadata for introspection.
581///
582/// This struct contains only the metadata fields from [`RouteDefinition`]
583/// that are needed for route lifecycle management, without the `steps` field
584/// (which contains non-Sync types and cannot be stored in a Sync struct).
585#[derive(Clone)]
586pub struct RouteDefinitionInfo {
587    route_id: String,
588    auto_startup: bool,
589    startup_order: i32,
590    pub(crate) source_hash: Option<u64>,
591}
592
593impl RouteDefinitionInfo {
594    /// Get the route ID.
595    pub fn route_id(&self) -> &str {
596        &self.route_id
597    }
598
599    /// Whether this route should start automatically when the context starts.
600    pub fn auto_startup(&self) -> bool {
601        self.auto_startup
602    }
603
604    /// Order in which routes are started. Lower values start first.
605    pub fn startup_order(&self) -> i32 {
606        self.startup_order
607    }
608
609    pub fn source_hash(&self) -> Option<u64> {
610        self.source_hash
611    }
612}
613
614#[cfg(test)]
615mod tests {
616    use super::*;
617
618    /// Golden debug output for EVERY BuilderStep variant.
619    ///
620    /// Before refactoring the manual `Debug` impl to `#[derive(Debug)]`, this test
621    /// locks the exact output of every variant so the refactor can be verified.
622    #[test]
623    fn golden_debug_output_all_variants() {
624        use camel_api::declarative::LanguageExpressionDef;
625        use camel_api::loop_eip::LoopMode;
626        use camel_api::recipient_list::RecipientListConfig;
627        use camel_api::splitter::{AggregationStrategy, StreamSplitConfig, StreamSplitFormat};
628        use camel_api::{
629            BoxProcessor, DynamicRouterConfig, Exchange, FilterPredicate, FunctionDefinition,
630            FunctionId, IdentityProcessor, MulticastConfig, OpaqueProcessor, RoutingSlipConfig,
631            Value,
632        };
633        use std::sync::Arc;
634
635        let expr = LanguageExpressionDef {
636            language: "simple".into(),
637            source: "${body}".into(),
638        };
639
640        // -- group A: trivial / non-recursive ----------------------------------
641        // derive(Debug) emits the variant without the enum name for unit/tuple variants.
642        assert_eq!(format!("{:?}", BuilderStep::Stop), "Stop");
643        assert_eq!(
644            format!(
645                "{:?}",
646                BuilderStep::Processor(OpaqueProcessor(BoxProcessor::new(IdentityProcessor)))
647            ),
648            "Processor(BoxProcessor(...))"
649        );
650        assert_eq!(
651            format!("{:?}", BuilderStep::To("mock:out".into())),
652            "To(\"mock:out\")"
653        );
654
655        // -- group B: variant with named fields (no sub-steps) -----------------
656        // derive(Debug) emits ALL fields, not the redacted `..` form.
657        assert_eq!(
658            format!(
659                "{:?}",
660                BuilderStep::Log {
661                    level: camel_processor::LogLevel::Info,
662                    message: "hello".into(),
663                }
664            ),
665            "Log { level: Info, message: \"hello\" }"
666        );
667
668        assert_eq!(
669            format!(
670                "{:?}",
671                BuilderStep::DeclarativeSetHeader {
672                    key: "k".into(),
673                    value: ValueSourceDef::Literal(Value::String("v".into())),
674                }
675            ),
676            "DeclarativeSetHeader { key: \"k\", value: Literal(String(\"v\")) }"
677        );
678
679        assert_eq!(
680            format!(
681                "{:?}",
682                BuilderStep::DeclarativeSetHeaderIfAbsent {
683                    key: "k".into(),
684                    value: ValueSourceDef::Literal(Value::String("v".into())),
685                }
686            ),
687            "DeclarativeSetHeaderIfAbsent { key: \"k\", value: Literal(String(\"v\")) }"
688        );
689
690        assert_eq!(
691            format!(
692                "{:?}",
693                BuilderStep::DeclarativeSetBody {
694                    value: ValueSourceDef::Literal(Value::String("v".into())),
695                }
696            ),
697            "DeclarativeSetBody { value: Literal(String(\"v\")) }"
698        );
699
700        assert_eq!(
701            format!(
702                "{:?}",
703                BuilderStep::DeclarativeSetProperty {
704                    key: "prop".into(),
705                    value_source: ValueSourceDef::Literal(Value::String("v".into())),
706                }
707            ),
708            "DeclarativeSetProperty { key: \"prop\", value_source: Literal(String(\"v\")) }"
709        );
710
711        assert_eq!(
712            format!(
713                "{:?}",
714                BuilderStep::DeclarativeScript {
715                    expression: expr.clone(),
716                }
717            ),
718            "DeclarativeScript { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" } }"
719        );
720
721        // DeclarativeFunction needs a FunctionDefinition
722        let func_def = FunctionDefinition {
723            id: FunctionId("test-id".into()),
724            runtime: "my_runtime".into(),
725            source: "${body}".into(),
726            timeout_ms: 5000,
727            route_id: None,
728            step_index: None,
729        };
730        assert_eq!(
731            format!(
732                "{:?}",
733                BuilderStep::DeclarativeFunction {
734                    definition: func_def,
735                }
736            ),
737            "DeclarativeFunction { definition: FunctionDefinition { id: FunctionId(\"test-id\"), runtime: \"my_runtime\", source: \"${body}\", timeout_ms: 5000, route_id: None, step_index: None } }"
738        );
739
740        assert_eq!(
741            format!(
742                "{:?}",
743                BuilderStep::WireTap {
744                    uri: "mock:tap".into(),
745                }
746            ),
747            "WireTap { uri: \"mock:tap\" }"
748        );
749
750        assert_eq!(
751            format!(
752                "{:?}",
753                BuilderStep::DeclarativeLog {
754                    level: camel_processor::LogLevel::Info,
755                    message: ValueSourceDef::Expression(expr.clone()),
756                }
757            ),
758            "DeclarativeLog { level: Info, message: Expression(LanguageExpressionDef { language: \"simple\", source: \"${body}\" }) }"
759        );
760
761        assert_eq!(
762            format!(
763                "{:?}",
764                BuilderStep::Bean {
765                    name: "myBean".into(),
766                    method: "process".into(),
767                }
768            ),
769            "Bean { name: \"myBean\", method: \"process\" }"
770        );
771
772        assert_eq!(
773            format!(
774                "{:?}",
775                BuilderStep::Script {
776                    language: "js".into(),
777                    script: "body".into(),
778                }
779            ),
780            "Script { language: \"js\", script: \"body\" }"
781        );
782
783        assert_eq!(
784            format!(
785                "{:?}",
786                BuilderStep::Aggregate {
787                    config: camel_api::AggregatorConfig::correlate_by("id")
788                        .complete_when_size(1)
789                        .build()
790                        .unwrap(),
791                }
792            ),
793            "Aggregate { config: AggregatorConfig { header_name: \"id\", completion: Single(Size(1)), correlation: HeaderName(\"id\"), strategy: CollectAll, max_buckets: Some(10000), bucket_ttl: Some(300s), force_completion_on_stop: false, discard_on_timeout: false, max_timeout_tasks: 1024 } }"
794        );
795
796        assert_eq!(
797            format!(
798                "{:?}",
799                BuilderStep::DynamicRouter {
800                    config: DynamicRouterConfig::new(Arc::new(|_: &Exchange| Some(
801                        "mock:dr".into()
802                    ))),
803                }
804            ),
805            "DynamicRouter { config: DynamicRouterConfig { uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false, max_iterations: 1000, timeout: Some(60s) } }"
806        );
807
808        assert_eq!(
809            format!(
810                "{:?}",
811                BuilderStep::RoutingSlip {
812                    config: RoutingSlipConfig::new(Arc::new(|_: &Exchange| Some("mock:rs".into()))),
813                }
814            ),
815            "RoutingSlip { config: RoutingSlipConfig { uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false } }"
816        );
817
818        assert_eq!(
819            format!(
820                "{:?}",
821                BuilderStep::RecipientList {
822                    config: RecipientListConfig::new(Arc::new(|_: &Exchange| String::new())),
823                }
824            ),
825            "RecipientList { config: RecipientListConfig { delimiter: \",\", parallel: false, parallel_limit: None, stop_on_exception: false, max_recipients: 1000 } }"
826        );
827
828        assert_eq!(
829            format!(
830                "{:?}",
831                BuilderStep::Enrich {
832                    uri: "mock:enrich".into(),
833                    strategy: Some("agg".into()),
834                    timeout_ms: Some(1000),
835                }
836            ),
837            "Enrich { uri: \"mock:enrich\", strategy: Some(\"agg\"), timeout_ms: Some(1000) }"
838        );
839
840        assert_eq!(
841            format!(
842                "{:?}",
843                BuilderStep::PollEnrich {
844                    uri: "mock:poll".into(),
845                    strategy: None,
846                    timeout_ms: None,
847                }
848            ),
849            "PollEnrich { uri: \"mock:poll\", strategy: None, timeout_ms: None }"
850        );
851
852        assert_eq!(
853            format!(
854                "{:?}",
855                BuilderStep::Validate {
856                    predicate: expr.clone(),
857                }
858            ),
859            "Validate { predicate: LanguageExpressionDef { language: \"simple\", source: \"${body}\" } }"
860        );
861
862        assert_eq!(
863            format!("{:?}", BuilderStep::Sampling { period: 100 }),
864            "Sampling { period: 100 }"
865        );
866
867        assert_eq!(
868            format!(
869                "{:?}",
870                BuilderStep::Resequence {
871                    policy_config: Default::default(),
872                }
873            ),
874            "Resequence { policy_config: ResequencePolicyConfig { mode: Batch { correlation: \"header.id\", sort: \"header.id\", completion: SizeOrTimeout(100, 30000) } } }"
875        );
876
877        // -- group C: variants with named fields (sub-steps is Vec) ------------
878        assert_eq!(
879            format!(
880                "{:?}",
881                BuilderStep::DeclarativeFilter {
882                    predicate: expr.clone(),
883                    steps: vec![BuilderStep::Stop],
884                }
885            ),
886            "DeclarativeFilter { predicate: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, steps: [Stop] }"
887        );
888
889        assert_eq!(
890            format!(
891                "{:?}",
892                BuilderStep::DeclarativeSplit {
893                    expression: expr.clone(),
894                    aggregation: AggregationStrategy::Original,
895                    parallel: false,
896                    parallel_limit: Some(2),
897                    stop_on_exception: true,
898                    steps: vec![BuilderStep::Stop],
899                }
900            ),
901            "DeclarativeSplit { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, aggregation: Original, parallel: false, parallel_limit: Some(2), stop_on_exception: true, steps: [Stop] }"
902        );
903
904        assert_eq!(
905            format!(
906                "{:?}",
907                BuilderStep::Split {
908                    config: camel_api::splitter::SplitterConfig::new(
909                        camel_api::splitter::split_body_lines()
910                    ),
911                    steps: vec![BuilderStep::Stop],
912                }
913            ),
914            "Split { config: SplitterConfig { expression: \"<split-expression>\", aggregation: LastWins, parallel: false, parallel_limit: None, stop_on_exception: true, max_fragments: 100000 }, steps: [Stop] }"
915        );
916
917        assert_eq!(
918            format!(
919                "{:?}",
920                BuilderStep::Filter {
921                    predicate: FilterPredicate::new(|_: &Exchange| true),
922                    steps: vec![BuilderStep::Stop],
923                }
924            ),
925            "Filter { predicate: FilterPredicate(..), steps: [Stop] }"
926        );
927
928        assert_eq!(
929            format!(
930                "{:?}",
931                BuilderStep::Throttle {
932                    config: camel_api::ThrottlerConfig::new(
933                        10,
934                        std::time::Duration::from_millis(10)
935                    ),
936                    steps: vec![BuilderStep::Stop],
937                }
938            ),
939            "Throttle { config: ThrottlerConfig { max_requests: 10, period: 10ms, strategy: Delay }, steps: [Stop] }"
940        );
941
942        assert_eq!(
943            format!(
944                "{:?}",
945                BuilderStep::LoadBalance {
946                    config: camel_api::LoadBalancerConfig::round_robin(),
947                    steps: vec![BuilderStep::To("mock:l1".into())],
948                }
949            ),
950            "LoadBalance { config: LoadBalancerConfig { strategy: RoundRobin }, steps: [To(\"mock:l1\")] }"
951        );
952
953        assert_eq!(
954            format!(
955                "{:?}",
956                BuilderStep::Delay {
957                    config: camel_api::DelayConfig::new(500),
958                }
959            ),
960            "Delay { config: DelayConfig { delay_ms: 500, dynamic_header: None, max_delay_ms: 3600000 } }"
961        );
962
963        // -- group D: Choice / DeclarativeChoice --------------------------------
964        // derive(Debug) emits full field enumeration; WhenStep Debug is a
965        // full struct listing; nested BuilderStep::Stop stays as `Stop`.
966        assert_eq!(
967            format!(
968                "{:?}",
969                BuilderStep::Choice {
970                    whens: vec![WhenStep {
971                        predicate: FilterPredicate::new(|_: &Exchange| true),
972                        steps: vec![BuilderStep::To("mock:a".into())],
973                    }],
974                    otherwise: None,
975                }
976            ),
977            "Choice { whens: [WhenStep { predicate: FilterPredicate(..), steps: [To(\"mock:a\")] }], otherwise: None }"
978        );
979
980        assert_eq!(
981            format!(
982                "{:?}",
983                BuilderStep::DeclarativeChoice {
984                    whens: vec![DeclarativeWhenStep {
985                        predicate: expr.clone(),
986                        steps: vec![BuilderStep::Stop],
987                    }],
988                    otherwise: Some(vec![BuilderStep::Stop]),
989                }
990            ),
991            "DeclarativeChoice { whens: [DeclarativeWhenStep { predicate: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, steps: [Stop] }], otherwise: Some([Stop]) }"
992        );
993
994        // -- group E: Multicast -------------------------------------------------
995        assert_eq!(
996            format!(
997                "{:?}",
998                BuilderStep::Multicast {
999                    steps: vec![BuilderStep::To("direct:a".into())],
1000                    config: MulticastConfig::new(),
1001                }
1002            ),
1003            "Multicast { steps: [To(\"direct:a\")], config: MulticastConfig { parallel: false, parallel_limit: None, stop_on_exception: false, timeout: None, aggregation: LastWins } }"
1004        );
1005
1006        // -- group F: DeclarativeDynamicRouter / DeclarativeRoutingSlip --------
1007        assert_eq!(
1008            format!(
1009                "{:?}",
1010                BuilderStep::DeclarativeDynamicRouter {
1011                    expression: expr.clone(),
1012                    uri_delimiter: ",".into(),
1013                    cache_size: 1000,
1014                    ignore_invalid_endpoints: false,
1015                    max_iterations: 1000,
1016                }
1017            ),
1018            "DeclarativeDynamicRouter { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false, max_iterations: 1000 }"
1019        );
1020
1021        assert_eq!(
1022            format!(
1023                "{:?}",
1024                BuilderStep::DeclarativeRoutingSlip {
1025                    expression: expr.clone(),
1026                    uri_delimiter: ",".into(),
1027                    cache_size: 1000,
1028                    ignore_invalid_endpoints: false,
1029                }
1030            ),
1031            "DeclarativeRoutingSlip { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false }"
1032        );
1033
1034        // -- group G: DeclarativeRecipientList ---------------------------------
1035        assert_eq!(
1036            format!(
1037                "{:?}",
1038                BuilderStep::DeclarativeRecipientList {
1039                    expression: expr.clone(),
1040                    delimiter: ",".into(),
1041                    parallel: false,
1042                    parallel_limit: None,
1043                    stop_on_exception: false,
1044                    aggregation: "original".into(),
1045                }
1046            ),
1047            "DeclarativeRecipientList { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, delimiter: \",\", parallel: false, parallel_limit: None, stop_on_exception: false, aggregation: \"original\" }"
1048        );
1049
1050        // -- group H: Loop / DeclarativeLoop -----------------------------------
1051        assert_eq!(
1052            format!(
1053                "{:?}",
1054                BuilderStep::Loop {
1055                    config: camel_api::loop_eip::LoopConfig::new(LoopMode::Count(3)),
1056                    steps: vec![],
1057                }
1058            ),
1059            "Loop { config: LoopConfig { mode: Count(3), max_iterations: 10000 }, steps: [] }"
1060        );
1061
1062        assert_eq!(
1063            format!(
1064                "{:?}",
1065                BuilderStep::DeclarativeLoop {
1066                    count: Some(5),
1067                    while_predicate: None,
1068                    steps: vec![],
1069                    max_iterations: Some(100),
1070                }
1071            ),
1072            "DeclarativeLoop { count: Some(5), while_predicate: None, steps: [], max_iterations: Some(100) }"
1073        );
1074
1075        // -- group I: ClaimCheck -----------------------------------------------
1076        assert_eq!(
1077            format!(
1078                "{:?}",
1079                BuilderStep::ClaimCheck {
1080                    repository: "myRepo".into(),
1081                    operation: "checkout".into(),
1082                    key: expr.clone(),
1083                    filter: None,
1084                }
1085            ),
1086            "ClaimCheck { repository: \"myRepo\", operation: \"checkout\", key: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, filter: None }"
1087        );
1088
1089        // -- group J: Sort -----------------------------------------------------
1090        assert_eq!(
1091            format!(
1092                "{:?}",
1093                BuilderStep::Sort {
1094                    expression: expr.clone(),
1095                    reverse: false,
1096                }
1097            ),
1098            "Sort { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, reverse: false }"
1099        );
1100
1101        // -- group K: IdempotentConsumer ---------------------------------------
1102        assert_eq!(
1103            format!(
1104                "{:?}",
1105                BuilderStep::IdempotentConsumer {
1106                    repository: "myRepo".into(),
1107                    expression: expr.clone(),
1108                    steps: vec![],
1109                    eager: true,
1110                    remove_on_failure: false,
1111                }
1112            ),
1113            "IdempotentConsumer { repository: \"myRepo\", expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, steps: [], eager: true, remove_on_failure: false }"
1114        );
1115
1116        // -- group L: DeclarativeDoTry -----------------------------------------
1117        assert_eq!(
1118            format!(
1119                "{:?}",
1120                BuilderStep::DeclarativeDoTry {
1121                    try_steps: vec![BuilderStep::Stop],
1122                    catch: vec![],
1123                    finally: None,
1124                }
1125            ),
1126            "DeclarativeDoTry { try_steps: [Stop], catch: [], finally: None }"
1127        );
1128
1129        // -- group M: DeclarativeStreamSplit -----------------------------------
1130        assert_eq!(
1131            format!(
1132                "{:?}",
1133                BuilderStep::DeclarativeStreamSplit {
1134                    stream_config: StreamSplitConfig {
1135                        format: StreamSplitFormat::Ndjson,
1136                        max_record_bytes: 1024 * 1024,
1137                        batch_size: 1,
1138                        chunk_size: None,
1139                        include_origin: true,
1140                    },
1141                    aggregation: AggregationStrategy::Original,
1142                    stop_on_exception: true,
1143                    steps: vec![BuilderStep::Stop],
1144                }
1145            ),
1146            "DeclarativeStreamSplit { stream_config: StreamSplitConfig { format: Ndjson, max_record_bytes: 1048576, batch_size: 1, chunk_size: None, include_origin: true }, aggregation: Original, stop_on_exception: true, steps: [Stop] }"
1147        );
1148    }
1149
1150    #[test]
1151    fn test_builder_step_multicast_variant() {
1152        use camel_api::MulticastConfig;
1153
1154        let step = BuilderStep::Multicast {
1155            steps: vec![BuilderStep::To("direct:a".into())],
1156            config: MulticastConfig::new(),
1157        };
1158
1159        assert!(matches!(step, BuilderStep::Multicast { .. }));
1160    }
1161
1162    #[test]
1163    fn test_route_definition_defaults() {
1164        let def = RouteDefinition::new("direct:test", vec![]).with_route_id("test-route");
1165        assert_eq!(def.route_id(), "test-route");
1166        assert!(def.auto_startup());
1167        assert_eq!(def.startup_order(), 1000);
1168    }
1169
1170    #[test]
1171    fn test_route_definition_builders() {
1172        let def = RouteDefinition::new("direct:test", vec![])
1173            .with_route_id("my-route")
1174            .with_auto_startup(false)
1175            .with_startup_order(50);
1176        assert_eq!(def.route_id(), "my-route");
1177        assert!(!def.auto_startup());
1178        assert_eq!(def.startup_order(), 50);
1179    }
1180
1181    #[test]
1182    fn test_route_definition_accessors_cover_core_fields() {
1183        let def = RouteDefinition::new("direct:in", vec![BuilderStep::To("mock:out".into())])
1184            .with_route_id("accessor-route");
1185
1186        assert_eq!(def.from_uri(), "direct:in");
1187        assert_eq!(def.steps().len(), 1);
1188        assert!(matches!(def.steps()[0], BuilderStep::To(_)));
1189    }
1190
1191    #[test]
1192    fn test_route_definition_error_handler_circuit_breaker_and_concurrency_accessors() {
1193        use camel_api::circuit_breaker::CircuitBreakerConfig;
1194        use camel_api::error_handler::ErrorHandlerConfig;
1195        use camel_component_api::ConcurrencyModel;
1196
1197        let def = RouteDefinition::new("direct:test", vec![])
1198            .with_route_id("eh-route")
1199            .with_error_handler(ErrorHandlerConfig::dead_letter_channel("log:dlc"))
1200            .with_circuit_breaker(CircuitBreakerConfig::new())
1201            .with_concurrency(ConcurrencyModel::Concurrent { max: Some(4) });
1202
1203        let eh = def
1204            .error_handler_config()
1205            .expect("error handler should be set");
1206        assert_eq!(eh.dlc_uri.as_deref(), Some("log:dlc"));
1207        assert!(def.circuit_breaker_config().is_some());
1208        assert!(matches!(
1209            def.concurrency_override(),
1210            Some(ConcurrencyModel::Concurrent { max: Some(4) })
1211        ));
1212    }
1213
1214    #[test]
1215    fn test_builder_step_debug_covers_many_variants() {
1216        use camel_api::splitter::{AggregationStrategy, SplitterConfig, split_body_lines};
1217        use camel_api::{
1218            BoxProcessor, DynamicRouterConfig, Exchange, FilterPredicate, IdentityProcessor,
1219            OpaqueProcessor, RoutingSlipConfig, Value,
1220        };
1221        use std::sync::Arc;
1222
1223        let expr = LanguageExpressionDef {
1224            language: "simple".into(),
1225            source: "${body}".into(),
1226        };
1227
1228        let steps = vec![
1229            BuilderStep::Processor(OpaqueProcessor(BoxProcessor::new(IdentityProcessor))),
1230            BuilderStep::To("mock:out".into()),
1231            BuilderStep::Stop,
1232            BuilderStep::Log {
1233                level: camel_processor::LogLevel::Info,
1234                message: "hello".into(),
1235            },
1236            BuilderStep::DeclarativeSetHeader {
1237                key: "k".into(),
1238                value: ValueSourceDef::Literal(Value::String("v".into())),
1239            },
1240            BuilderStep::DeclarativeSetBody {
1241                value: ValueSourceDef::Expression(expr.clone()),
1242            },
1243            BuilderStep::DeclarativeFilter {
1244                predicate: expr.clone(),
1245                steps: vec![BuilderStep::Stop],
1246            },
1247            BuilderStep::DeclarativeChoice {
1248                whens: vec![DeclarativeWhenStep {
1249                    predicate: expr.clone(),
1250                    steps: vec![BuilderStep::Stop],
1251                }],
1252                otherwise: Some(vec![BuilderStep::Stop]),
1253            },
1254            BuilderStep::DeclarativeScript {
1255                expression: expr.clone(),
1256            },
1257            BuilderStep::DeclarativeSplit {
1258                expression: expr.clone(),
1259                aggregation: AggregationStrategy::Original,
1260                parallel: false,
1261                parallel_limit: Some(2),
1262                stop_on_exception: true,
1263                steps: vec![BuilderStep::Stop],
1264            },
1265            BuilderStep::Split {
1266                config: SplitterConfig::new(split_body_lines()),
1267                steps: vec![BuilderStep::Stop],
1268            },
1269            BuilderStep::Aggregate {
1270                config: camel_api::AggregatorConfig::correlate_by("id")
1271                    .complete_when_size(1)
1272                    .build()
1273                    .unwrap(),
1274            },
1275            BuilderStep::Filter {
1276                predicate: FilterPredicate::new(|_: &Exchange| true),
1277                steps: vec![BuilderStep::Stop],
1278            },
1279            BuilderStep::WireTap {
1280                uri: "mock:tap".into(),
1281            },
1282            BuilderStep::DeclarativeLog {
1283                level: camel_processor::LogLevel::Info,
1284                message: ValueSourceDef::Expression(expr.clone()),
1285            },
1286            BuilderStep::Bean {
1287                name: "bean".into(),
1288                method: "call".into(),
1289            },
1290            BuilderStep::Script {
1291                language: "rhai".into(),
1292                script: "body".into(),
1293            },
1294            BuilderStep::Throttle {
1295                config: camel_api::ThrottlerConfig::new(10, std::time::Duration::from_millis(10)),
1296                steps: vec![BuilderStep::Stop],
1297            },
1298            BuilderStep::LoadBalance {
1299                config: camel_api::LoadBalancerConfig::round_robin(),
1300                steps: vec![BuilderStep::To("mock:l1".into())],
1301            },
1302            BuilderStep::DynamicRouter {
1303                config: DynamicRouterConfig::new(Arc::new(|_| Some("mock:dr".into()))),
1304            },
1305            BuilderStep::RoutingSlip {
1306                config: RoutingSlipConfig::new(Arc::new(|_| Some("mock:rs".into()))),
1307            },
1308        ];
1309
1310        for step in steps {
1311            let dbg = format!("{step:?}");
1312            assert!(!dbg.is_empty());
1313        }
1314    }
1315
1316    #[test]
1317    fn test_route_definition_to_info_preserves_metadata() {
1318        let info = RouteDefinition::new("direct:test", vec![])
1319            .with_route_id("meta-route")
1320            .with_auto_startup(false)
1321            .with_startup_order(7)
1322            .to_info();
1323
1324        assert_eq!(info.route_id(), "meta-route");
1325        assert!(!info.auto_startup());
1326        assert_eq!(info.startup_order(), 7);
1327    }
1328
1329    #[test]
1330    fn test_choice_builder_step_debug() {
1331        use camel_api::FilterPredicate;
1332
1333        fn always_true(_: &camel_api::Exchange) -> bool {
1334            true
1335        }
1336
1337        let step = BuilderStep::Choice {
1338            whens: vec![WhenStep {
1339                predicate: FilterPredicate::new(always_true),
1340                steps: vec![BuilderStep::To("mock:a".into())],
1341            }],
1342            otherwise: None,
1343        };
1344        let debug = format!("{step:?}");
1345        assert!(debug.contains("Choice"));
1346    }
1347
1348    #[test]
1349    fn test_route_definition_unit_of_work() {
1350        use camel_api::UnitOfWorkConfig;
1351        let config = UnitOfWorkConfig {
1352            on_complete: Some("log:complete".into()),
1353            on_failure: Some("log:failed".into()),
1354        };
1355        let def = RouteDefinition::new("direct:test", vec![])
1356            .with_route_id("uow-test")
1357            .with_unit_of_work(config.clone());
1358        assert_eq!(
1359            def.unit_of_work_config().unwrap().on_complete.as_deref(),
1360            Some("log:complete")
1361        );
1362        assert_eq!(
1363            def.unit_of_work_config().unwrap().on_failure.as_deref(),
1364            Some("log:failed")
1365        );
1366
1367        let def_no_uow = RouteDefinition::new("direct:test", vec![]).with_route_id("no-uow");
1368        assert!(def_no_uow.unit_of_work_config().is_none());
1369    }
1370
1371    #[test]
1372    fn test_route_definition_security_policy_accessor() {
1373        use async_trait::async_trait;
1374        use camel_api::CamelError;
1375        use camel_api::Exchange;
1376        use camel_api::security_policy::{
1377            AuthContext, AuthorizationDecision, Principal, SecurityPolicy, SecurityPolicyConfig,
1378        };
1379
1380        struct StubPolicy;
1381        #[async_trait]
1382        impl SecurityPolicy for StubPolicy {
1383            async fn evaluate(
1384                &self,
1385                _exchange: &mut Exchange,
1386                _auth: &AuthContext<'_>,
1387            ) -> Result<AuthorizationDecision, CamelError> {
1388                Ok(AuthorizationDecision::Granted {
1389                    principal: Principal {
1390                        subject: "test".into(),
1391                        issuer: "test".into(),
1392                        audience: vec![],
1393                        scopes: vec![],
1394                        roles: vec![],
1395                        claims: serde_json::Value::Null,
1396                    },
1397                })
1398            }
1399        }
1400
1401        let def_no_sp = RouteDefinition::new("direct:test", vec![]).with_route_id("no-sp");
1402        assert!(def_no_sp.security_policy_config().is_none());
1403
1404        let def = RouteDefinition::new("direct:test", vec![])
1405            .with_route_id("sp-test")
1406            .with_security_policy(SecurityPolicyConfig::new(StubPolicy));
1407        assert!(def.security_policy_config().is_some());
1408    }
1409
1410    #[test]
1411    fn test_route_definition_security_authenticator_accessor() {
1412        use camel_api::security_policy::Principal;
1413
1414        struct TestAuth;
1415        #[async_trait::async_trait]
1416        impl TokenAuthenticator for TestAuth {
1417            async fn authenticate_bearer(
1418                &self,
1419                _token: &str,
1420            ) -> Result<Principal, camel_api::CamelError> {
1421                Ok(Principal {
1422                    subject: "test".into(),
1423                    issuer: "test".into(),
1424                    audience: vec![],
1425                    scopes: vec![],
1426                    roles: vec![],
1427                    claims: serde_json::Value::Null,
1428                })
1429            }
1430        }
1431
1432        let def_no_auth = RouteDefinition::new("direct:test".to_string(), vec![]);
1433        assert!(def_no_auth.security_authenticator().is_none());
1434
1435        let auth = Arc::new(TestAuth);
1436        let def = RouteDefinition::new("direct:test".to_string(), vec![])
1437            .with_security_authenticator(auth);
1438        assert!(def.security_authenticator().is_some());
1439    }
1440
1441    #[test]
1442    fn test_map_steps_swaps_steps_and_preserves_other_fields() {
1443        let original = RouteDefinition::new(
1444            "direct:test".to_string(),
1445            vec![BuilderStep::To("mock:a".into()), BuilderStep::Stop],
1446        )
1447        .with_route_id("my-route");
1448
1449        let mapped = original.map_steps(|steps| {
1450            let mut out = Vec::with_capacity(steps.len() + 1);
1451            out.push(BuilderStep::To("mock:prefix".into()));
1452            out.extend(steps);
1453            out
1454        });
1455
1456        // Steps were transformed.
1457        assert_eq!(mapped.steps().len(), 3);
1458        assert!(matches!(mapped.steps()[0], BuilderStep::To(ref s) if s == "mock:prefix"));
1459        assert!(matches!(mapped.steps()[1], BuilderStep::To(ref s) if s == "mock:a"));
1460        // Other fields preserved.
1461        assert_eq!(mapped.route_id(), "my-route");
1462    }
1463}
camel_core/lifecycle/application/route_definition.rs

camel_core/lifecycle/application/
route_definition.rs
