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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    /// Optional Unit of Work config for in-flight tracking and completion hooks.
349    pub(crate) unit_of_work: Option<UnitOfWorkConfig>,
350    /// User override for the consumer's concurrency model. `None` means
351    /// "use whatever the consumer declares".
352    pub(crate) concurrency: Option<ConcurrencyModel>,
353    /// Unique identifier for this route. Required.
354    pub(crate) route_id: String,
355    /// Whether this route should start automatically when the context starts.
356    pub(crate) auto_startup: bool,
357    /// Order in which routes are started. Lower values start first.
358    pub(crate) startup_order: i32,
359    pub(crate) source_hash: Option<u64>,
360}
361
362impl RouteDefinition {
363    /// Create a new route definition with the required route ID.
364    pub fn new(from_uri: impl Into<String>, steps: Vec<BuilderStep>) -> Self {
365        Self {
366            from_uri: from_uri.into(),
367            steps,
368            error_handler: None,
369            circuit_breaker: None,
370            circuit_breaker_fallback: Vec::new(),
371            security_policy: None,
372            security_authenticator: None,
373            unit_of_work: None,
374            concurrency: None,
375            route_id: String::new(), // Will be set by with_route_id()
376            auto_startup: true,
377            startup_order: 1000,
378            source_hash: None,
379        }
380    }
381
382    /// The source endpoint URI.
383    pub fn from_uri(&self) -> &str {
384        &self.from_uri
385    }
386
387    /// The steps in this route definition.
388    pub fn steps(&self) -> &[BuilderStep] {
389        &self.steps
390    }
391
392    /// Transform the step list, consuming and returning self.
393    /// Used for post-parse instrumentation (e.g. benchmark timing injection
394    /// around `To` steps). The field stays private; callers rebuild via this
395    /// consuming method rather than holding a `&mut` alias.
396    pub fn map_steps(mut self, f: impl FnOnce(Vec<BuilderStep>) -> Vec<BuilderStep>) -> Self {
397        self.steps = f(self.steps);
398        self
399    }
400
401    /// Set a per-route error handler, overriding the global one.
402    pub fn with_error_handler(mut self, config: ErrorHandlerConfig) -> Self {
403        self.error_handler = Some(config);
404        self
405    }
406
407    /// Get the route-level error handler config, if set.
408    pub fn error_handler_config(&self) -> Option<&ErrorHandlerConfig> {
409        self.error_handler.as_ref()
410    }
411
412    /// Set a circuit breaker for this route.
413    pub fn with_circuit_breaker(mut self, config: CircuitBreakerConfig) -> Self {
414        self.circuit_breaker = Some(config);
415        self
416    }
417
418    /// Set the circuit breaker fallback sub-pipeline (unresolved steps).
419    ///
420    /// Mirror of [`RouteDefinition::with_circuit_breaker`]: the steps are
421    /// compiled by camel-core at route-compile time (registry monopoly) and
422    /// attached to the resolved `CircuitBreakerConfig.fallback`. Empty when no
423    /// CB is configured or the CB has no fallback.
424    pub fn with_circuit_breaker_fallback(mut self, steps: Vec<BuilderStep>) -> Self {
425        self.circuit_breaker_fallback = steps;
426        self
427    }
428
429    /// Set a security policy for this route.
430    pub fn with_security_policy(mut self, config: SecurityPolicyConfig) -> Self {
431        self.security_policy = Some(config);
432        self
433    }
434
435    /// Set a token authenticator for this route.
436    pub fn with_security_authenticator(
437        mut self,
438        authenticator: Arc<dyn TokenAuthenticator>,
439    ) -> Self {
440        self.security_authenticator = Some(authenticator);
441        self
442    }
443
444    /// Set a unit of work config for this route.
445    pub fn with_unit_of_work(mut self, config: UnitOfWorkConfig) -> Self {
446        self.unit_of_work = Some(config);
447        self
448    }
449
450    /// Get the unit of work config, if set.
451    pub fn unit_of_work_config(&self) -> Option<&UnitOfWorkConfig> {
452        self.unit_of_work.as_ref()
453    }
454
455    /// Get the circuit breaker config, if set.
456    pub fn circuit_breaker_config(&self) -> Option<&CircuitBreakerConfig> {
457        self.circuit_breaker.as_ref()
458    }
459
460    pub fn security_policy_config(&self) -> Option<&SecurityPolicyConfig> {
461        self.security_policy.as_ref()
462    }
463
464    pub fn security_authenticator(&self) -> Option<&Arc<dyn TokenAuthenticator>> {
465        self.security_authenticator.as_ref()
466    }
467
468    /// User-specified concurrency override, if any.
469    pub fn concurrency_override(&self) -> Option<&ConcurrencyModel> {
470        self.concurrency.as_ref()
471    }
472
473    /// Override the consumer's concurrency model for this route.
474    pub fn with_concurrency(mut self, model: ConcurrencyModel) -> Self {
475        self.concurrency = Some(model);
476        self
477    }
478
479    /// Get the route ID.
480    pub fn route_id(&self) -> &str {
481        &self.route_id
482    }
483
484    /// Whether this route should start automatically when the context starts.
485    pub fn auto_startup(&self) -> bool {
486        self.auto_startup
487    }
488
489    /// Order in which routes are started. Lower values start first.
490    pub fn startup_order(&self) -> i32 {
491        self.startup_order
492    }
493
494    /// Set a unique identifier for this route.
495    pub fn with_route_id(mut self, id: impl Into<String>) -> Self {
496        self.route_id = id.into();
497        self
498    }
499
500    /// Set whether this route should start automatically.
501    pub fn with_auto_startup(mut self, auto: bool) -> Self {
502        self.auto_startup = auto;
503        self
504    }
505
506    /// Set the startup order. Lower values start first.
507    pub fn with_startup_order(mut self, order: i32) -> Self {
508        self.startup_order = order;
509        self
510    }
511
512    pub fn with_source_hash(mut self, hash: u64) -> Self {
513        self.source_hash = Some(hash);
514        self
515    }
516
517    pub fn source_hash(&self) -> Option<u64> {
518        self.source_hash
519    }
520
521    /// Extract the metadata fields needed for introspection.
522    /// This is used by RouteController to store route info without the non-Sync steps.
523    pub fn to_info(&self) -> RouteDefinitionInfo {
524        RouteDefinitionInfo {
525            route_id: self.route_id.clone(),
526            auto_startup: self.auto_startup,
527            startup_order: self.startup_order,
528            source_hash: self.source_hash,
529        }
530    }
531}
532
533/// Minimal route definition metadata for introspection.
534///
535/// This struct contains only the metadata fields from [`RouteDefinition`]
536/// that are needed for route lifecycle management, without the `steps` field
537/// (which contains non-Sync types and cannot be stored in a Sync struct).
538#[derive(Clone)]
539pub struct RouteDefinitionInfo {
540    route_id: String,
541    auto_startup: bool,
542    startup_order: i32,
543    pub(crate) source_hash: Option<u64>,
544}
545
546impl RouteDefinitionInfo {
547    /// Get the route ID.
548    pub fn route_id(&self) -> &str {
549        &self.route_id
550    }
551
552    /// Whether this route should start automatically when the context starts.
553    pub fn auto_startup(&self) -> bool {
554        self.auto_startup
555    }
556
557    /// Order in which routes are started. Lower values start first.
558    pub fn startup_order(&self) -> i32 {
559        self.startup_order
560    }
561
562    pub fn source_hash(&self) -> Option<u64> {
563        self.source_hash
564    }
565}
566
567#[cfg(test)]
568mod tests {
569    use super::*;
570
571    /// Golden debug output for EVERY BuilderStep variant.
572    ///
573    /// Before refactoring the manual `Debug` impl to `#[derive(Debug)]`, this test
574    /// locks the exact output of every variant so the refactor can be verified.
575    #[test]
576    fn golden_debug_output_all_variants() {
577        use camel_api::declarative::LanguageExpressionDef;
578        use camel_api::loop_eip::LoopMode;
579        use camel_api::recipient_list::RecipientListConfig;
580        use camel_api::splitter::{AggregationStrategy, StreamSplitConfig, StreamSplitFormat};
581        use camel_api::{
582            BoxProcessor, DynamicRouterConfig, Exchange, FilterPredicate, FunctionDefinition,
583            FunctionId, IdentityProcessor, MulticastConfig, OpaqueProcessor, RoutingSlipConfig,
584            Value,
585        };
586        use std::sync::Arc;
587
588        let expr = LanguageExpressionDef {
589            language: "simple".into(),
590            source: "${body}".into(),
591        };
592
593        // -- group A: trivial / non-recursive ----------------------------------
594        // derive(Debug) emits the variant without the enum name for unit/tuple variants.
595        assert_eq!(format!("{:?}", BuilderStep::Stop), "Stop");
596        assert_eq!(
597            format!(
598                "{:?}",
599                BuilderStep::Processor(OpaqueProcessor(BoxProcessor::new(IdentityProcessor)))
600            ),
601            "Processor(BoxProcessor(...))"
602        );
603        assert_eq!(
604            format!("{:?}", BuilderStep::To("mock:out".into())),
605            "To(\"mock:out\")"
606        );
607
608        // -- group B: variant with named fields (no sub-steps) -----------------
609        // derive(Debug) emits ALL fields, not the redacted `..` form.
610        assert_eq!(
611            format!(
612                "{:?}",
613                BuilderStep::Log {
614                    level: camel_processor::LogLevel::Info,
615                    message: "hello".into(),
616                }
617            ),
618            "Log { level: Info, message: \"hello\" }"
619        );
620
621        assert_eq!(
622            format!(
623                "{:?}",
624                BuilderStep::DeclarativeSetHeader {
625                    key: "k".into(),
626                    value: ValueSourceDef::Literal(Value::String("v".into())),
627                }
628            ),
629            "DeclarativeSetHeader { key: \"k\", value: Literal(String(\"v\")) }"
630        );
631
632        assert_eq!(
633            format!(
634                "{:?}",
635                BuilderStep::DeclarativeSetHeaderIfAbsent {
636                    key: "k".into(),
637                    value: ValueSourceDef::Literal(Value::String("v".into())),
638                }
639            ),
640            "DeclarativeSetHeaderIfAbsent { key: \"k\", value: Literal(String(\"v\")) }"
641        );
642
643        assert_eq!(
644            format!(
645                "{:?}",
646                BuilderStep::DeclarativeSetBody {
647                    value: ValueSourceDef::Literal(Value::String("v".into())),
648                }
649            ),
650            "DeclarativeSetBody { value: Literal(String(\"v\")) }"
651        );
652
653        assert_eq!(
654            format!(
655                "{:?}",
656                BuilderStep::DeclarativeSetProperty {
657                    key: "prop".into(),
658                    value_source: ValueSourceDef::Literal(Value::String("v".into())),
659                }
660            ),
661            "DeclarativeSetProperty { key: \"prop\", value_source: Literal(String(\"v\")) }"
662        );
663
664        assert_eq!(
665            format!(
666                "{:?}",
667                BuilderStep::DeclarativeScript {
668                    expression: expr.clone(),
669                }
670            ),
671            "DeclarativeScript { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" } }"
672        );
673
674        // DeclarativeFunction needs a FunctionDefinition
675        let func_def = FunctionDefinition {
676            id: FunctionId("test-id".into()),
677            runtime: "my_runtime".into(),
678            source: "${body}".into(),
679            timeout_ms: 5000,
680            route_id: None,
681            step_index: None,
682        };
683        assert_eq!(
684            format!(
685                "{:?}",
686                BuilderStep::DeclarativeFunction {
687                    definition: func_def,
688                }
689            ),
690            "DeclarativeFunction { definition: FunctionDefinition { id: FunctionId(\"test-id\"), runtime: \"my_runtime\", source: \"${body}\", timeout_ms: 5000, route_id: None, step_index: None } }"
691        );
692
693        assert_eq!(
694            format!(
695                "{:?}",
696                BuilderStep::WireTap {
697                    uri: "mock:tap".into(),
698                }
699            ),
700            "WireTap { uri: \"mock:tap\" }"
701        );
702
703        assert_eq!(
704            format!(
705                "{:?}",
706                BuilderStep::DeclarativeLog {
707                    level: camel_processor::LogLevel::Info,
708                    message: ValueSourceDef::Expression(expr.clone()),
709                }
710            ),
711            "DeclarativeLog { level: Info, message: Expression(LanguageExpressionDef { language: \"simple\", source: \"${body}\" }) }"
712        );
713
714        assert_eq!(
715            format!(
716                "{:?}",
717                BuilderStep::Bean {
718                    name: "myBean".into(),
719                    method: "process".into(),
720                }
721            ),
722            "Bean { name: \"myBean\", method: \"process\" }"
723        );
724
725        assert_eq!(
726            format!(
727                "{:?}",
728                BuilderStep::Script {
729                    language: "js".into(),
730                    script: "body".into(),
731                }
732            ),
733            "Script { language: \"js\", script: \"body\" }"
734        );
735
736        assert_eq!(
737            format!(
738                "{:?}",
739                BuilderStep::Aggregate {
740                    config: camel_api::AggregatorConfig::correlate_by("id")
741                        .complete_when_size(1)
742                        .build()
743                        .unwrap(),
744                }
745            ),
746            "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 } }"
747        );
748
749        assert_eq!(
750            format!(
751                "{:?}",
752                BuilderStep::DynamicRouter {
753                    config: DynamicRouterConfig::new(Arc::new(|_: &Exchange| Some(
754                        "mock:dr".into()
755                    ))),
756                }
757            ),
758            "DynamicRouter { config: DynamicRouterConfig { uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false, max_iterations: 1000, timeout: Some(60s) } }"
759        );
760
761        assert_eq!(
762            format!(
763                "{:?}",
764                BuilderStep::RoutingSlip {
765                    config: RoutingSlipConfig::new(Arc::new(|_: &Exchange| Some("mock:rs".into()))),
766                }
767            ),
768            "RoutingSlip { config: RoutingSlipConfig { uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false } }"
769        );
770
771        assert_eq!(
772            format!(
773                "{:?}",
774                BuilderStep::RecipientList {
775                    config: RecipientListConfig::new(Arc::new(|_: &Exchange| String::new())),
776                }
777            ),
778            "RecipientList { config: RecipientListConfig { delimiter: \",\", parallel: false, parallel_limit: None, stop_on_exception: false, max_recipients: 1000 } }"
779        );
780
781        assert_eq!(
782            format!(
783                "{:?}",
784                BuilderStep::Enrich {
785                    uri: "mock:enrich".into(),
786                    strategy: Some("agg".into()),
787                    timeout_ms: Some(1000),
788                }
789            ),
790            "Enrich { uri: \"mock:enrich\", strategy: Some(\"agg\"), timeout_ms: Some(1000) }"
791        );
792
793        assert_eq!(
794            format!(
795                "{:?}",
796                BuilderStep::PollEnrich {
797                    uri: "mock:poll".into(),
798                    strategy: None,
799                    timeout_ms: None,
800                }
801            ),
802            "PollEnrich { uri: \"mock:poll\", strategy: None, timeout_ms: None }"
803        );
804
805        assert_eq!(
806            format!(
807                "{:?}",
808                BuilderStep::Validate {
809                    predicate: expr.clone(),
810                }
811            ),
812            "Validate { predicate: LanguageExpressionDef { language: \"simple\", source: \"${body}\" } }"
813        );
814
815        assert_eq!(
816            format!("{:?}", BuilderStep::Sampling { period: 100 }),
817            "Sampling { period: 100 }"
818        );
819
820        assert_eq!(
821            format!(
822                "{:?}",
823                BuilderStep::Resequence {
824                    policy_config: Default::default(),
825                }
826            ),
827            "Resequence { policy_config: ResequencePolicyConfig { mode: Batch { correlation: \"header.id\", sort: \"header.id\", completion: SizeOrTimeout(100, 30000) } } }"
828        );
829
830        // -- group C: variants with named fields (sub-steps is Vec) ------------
831        assert_eq!(
832            format!(
833                "{:?}",
834                BuilderStep::DeclarativeFilter {
835                    predicate: expr.clone(),
836                    steps: vec![BuilderStep::Stop],
837                }
838            ),
839            "DeclarativeFilter { predicate: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, steps: [Stop] }"
840        );
841
842        assert_eq!(
843            format!(
844                "{:?}",
845                BuilderStep::DeclarativeSplit {
846                    expression: expr.clone(),
847                    aggregation: AggregationStrategy::Original,
848                    parallel: false,
849                    parallel_limit: Some(2),
850                    stop_on_exception: true,
851                    steps: vec![BuilderStep::Stop],
852                }
853            ),
854            "DeclarativeSplit { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, aggregation: Original, parallel: false, parallel_limit: Some(2), stop_on_exception: true, steps: [Stop] }"
855        );
856
857        assert_eq!(
858            format!(
859                "{:?}",
860                BuilderStep::Split {
861                    config: camel_api::splitter::SplitterConfig::new(
862                        camel_api::splitter::split_body_lines()
863                    ),
864                    steps: vec![BuilderStep::Stop],
865                }
866            ),
867            "Split { config: SplitterConfig { expression: \"<split-expression>\", aggregation: LastWins, parallel: false, parallel_limit: None, stop_on_exception: true, max_fragments: 100000 }, steps: [Stop] }"
868        );
869
870        assert_eq!(
871            format!(
872                "{:?}",
873                BuilderStep::Filter {
874                    predicate: FilterPredicate::new(|_: &Exchange| true),
875                    steps: vec![BuilderStep::Stop],
876                }
877            ),
878            "Filter { predicate: FilterPredicate(..), steps: [Stop] }"
879        );
880
881        assert_eq!(
882            format!(
883                "{:?}",
884                BuilderStep::Throttle {
885                    config: camel_api::ThrottlerConfig::new(
886                        10,
887                        std::time::Duration::from_millis(10)
888                    ),
889                    steps: vec![BuilderStep::Stop],
890                }
891            ),
892            "Throttle { config: ThrottlerConfig { max_requests: 10, period: 10ms, strategy: Delay }, steps: [Stop] }"
893        );
894
895        assert_eq!(
896            format!(
897                "{:?}",
898                BuilderStep::LoadBalance {
899                    config: camel_api::LoadBalancerConfig::round_robin(),
900                    steps: vec![BuilderStep::To("mock:l1".into())],
901                }
902            ),
903            "LoadBalance { config: LoadBalancerConfig { strategy: RoundRobin }, steps: [To(\"mock:l1\")] }"
904        );
905
906        assert_eq!(
907            format!(
908                "{:?}",
909                BuilderStep::Delay {
910                    config: camel_api::DelayConfig::new(500),
911                }
912            ),
913            "Delay { config: DelayConfig { delay_ms: 500, dynamic_header: None, max_delay_ms: 3600000 } }"
914        );
915
916        // -- group D: Choice / DeclarativeChoice --------------------------------
917        // derive(Debug) emits full field enumeration; WhenStep Debug is a
918        // full struct listing; nested BuilderStep::Stop stays as `Stop`.
919        assert_eq!(
920            format!(
921                "{:?}",
922                BuilderStep::Choice {
923                    whens: vec![WhenStep {
924                        predicate: FilterPredicate::new(|_: &Exchange| true),
925                        steps: vec![BuilderStep::To("mock:a".into())],
926                    }],
927                    otherwise: None,
928                }
929            ),
930            "Choice { whens: [WhenStep { predicate: FilterPredicate(..), steps: [To(\"mock:a\")] }], otherwise: None }"
931        );
932
933        assert_eq!(
934            format!(
935                "{:?}",
936                BuilderStep::DeclarativeChoice {
937                    whens: vec![DeclarativeWhenStep {
938                        predicate: expr.clone(),
939                        steps: vec![BuilderStep::Stop],
940                    }],
941                    otherwise: Some(vec![BuilderStep::Stop]),
942                }
943            ),
944            "DeclarativeChoice { whens: [DeclarativeWhenStep { predicate: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, steps: [Stop] }], otherwise: Some([Stop]) }"
945        );
946
947        // -- group E: Multicast -------------------------------------------------
948        assert_eq!(
949            format!(
950                "{:?}",
951                BuilderStep::Multicast {
952                    steps: vec![BuilderStep::To("direct:a".into())],
953                    config: MulticastConfig::new(),
954                }
955            ),
956            "Multicast { steps: [To(\"direct:a\")], config: MulticastConfig { parallel: false, parallel_limit: None, stop_on_exception: false, timeout: None, aggregation: LastWins } }"
957        );
958
959        // -- group F: DeclarativeDynamicRouter / DeclarativeRoutingSlip --------
960        assert_eq!(
961            format!(
962                "{:?}",
963                BuilderStep::DeclarativeDynamicRouter {
964                    expression: expr.clone(),
965                    uri_delimiter: ",".into(),
966                    cache_size: 1000,
967                    ignore_invalid_endpoints: false,
968                    max_iterations: 1000,
969                }
970            ),
971            "DeclarativeDynamicRouter { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false, max_iterations: 1000 }"
972        );
973
974        assert_eq!(
975            format!(
976                "{:?}",
977                BuilderStep::DeclarativeRoutingSlip {
978                    expression: expr.clone(),
979                    uri_delimiter: ",".into(),
980                    cache_size: 1000,
981                    ignore_invalid_endpoints: false,
982                }
983            ),
984            "DeclarativeRoutingSlip { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, uri_delimiter: \",\", cache_size: 1000, ignore_invalid_endpoints: false }"
985        );
986
987        // -- group G: DeclarativeRecipientList ---------------------------------
988        assert_eq!(
989            format!(
990                "{:?}",
991                BuilderStep::DeclarativeRecipientList {
992                    expression: expr.clone(),
993                    delimiter: ",".into(),
994                    parallel: false,
995                    parallel_limit: None,
996                    stop_on_exception: false,
997                    aggregation: "original".into(),
998                }
999            ),
1000            "DeclarativeRecipientList { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, delimiter: \",\", parallel: false, parallel_limit: None, stop_on_exception: false, aggregation: \"original\" }"
1001        );
1002
1003        // -- group H: Loop / DeclarativeLoop -----------------------------------
1004        assert_eq!(
1005            format!(
1006                "{:?}",
1007                BuilderStep::Loop {
1008                    config: camel_api::loop_eip::LoopConfig::new(LoopMode::Count(3)),
1009                    steps: vec![],
1010                }
1011            ),
1012            "Loop { config: LoopConfig { mode: Count(3), max_iterations: 10000 }, steps: [] }"
1013        );
1014
1015        assert_eq!(
1016            format!(
1017                "{:?}",
1018                BuilderStep::DeclarativeLoop {
1019                    count: Some(5),
1020                    while_predicate: None,
1021                    steps: vec![],
1022                    max_iterations: Some(100),
1023                }
1024            ),
1025            "DeclarativeLoop { count: Some(5), while_predicate: None, steps: [], max_iterations: Some(100) }"
1026        );
1027
1028        // -- group I: ClaimCheck -----------------------------------------------
1029        assert_eq!(
1030            format!(
1031                "{:?}",
1032                BuilderStep::ClaimCheck {
1033                    repository: "myRepo".into(),
1034                    operation: "checkout".into(),
1035                    key: expr.clone(),
1036                    filter: None,
1037                }
1038            ),
1039            "ClaimCheck { repository: \"myRepo\", operation: \"checkout\", key: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, filter: None }"
1040        );
1041
1042        // -- group J: Sort -----------------------------------------------------
1043        assert_eq!(
1044            format!(
1045                "{:?}",
1046                BuilderStep::Sort {
1047                    expression: expr.clone(),
1048                    reverse: false,
1049                }
1050            ),
1051            "Sort { expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, reverse: false }"
1052        );
1053
1054        // -- group K: IdempotentConsumer ---------------------------------------
1055        assert_eq!(
1056            format!(
1057                "{:?}",
1058                BuilderStep::IdempotentConsumer {
1059                    repository: "myRepo".into(),
1060                    expression: expr.clone(),
1061                    steps: vec![],
1062                    eager: true,
1063                    remove_on_failure: false,
1064                }
1065            ),
1066            "IdempotentConsumer { repository: \"myRepo\", expression: LanguageExpressionDef { language: \"simple\", source: \"${body}\" }, steps: [], eager: true, remove_on_failure: false }"
1067        );
1068
1069        // -- group L: DeclarativeDoTry -----------------------------------------
1070        assert_eq!(
1071            format!(
1072                "{:?}",
1073                BuilderStep::DeclarativeDoTry {
1074                    try_steps: vec![BuilderStep::Stop],
1075                    catch: vec![],
1076                    finally: None,
1077                }
1078            ),
1079            "DeclarativeDoTry { try_steps: [Stop], catch: [], finally: None }"
1080        );
1081
1082        // -- group M: DeclarativeStreamSplit -----------------------------------
1083        assert_eq!(
1084            format!(
1085                "{:?}",
1086                BuilderStep::DeclarativeStreamSplit {
1087                    stream_config: StreamSplitConfig {
1088                        format: StreamSplitFormat::Ndjson,
1089                        max_record_bytes: 1024 * 1024,
1090                        batch_size: 1,
1091                        chunk_size: None,
1092                        include_origin: true,
1093                    },
1094                    aggregation: AggregationStrategy::Original,
1095                    stop_on_exception: true,
1096                    steps: vec![BuilderStep::Stop],
1097                }
1098            ),
1099            "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] }"
1100        );
1101    }
1102
1103    #[test]
1104    fn test_builder_step_multicast_variant() {
1105        use camel_api::MulticastConfig;
1106
1107        let step = BuilderStep::Multicast {
1108            steps: vec![BuilderStep::To("direct:a".into())],
1109            config: MulticastConfig::new(),
1110        };
1111
1112        assert!(matches!(step, BuilderStep::Multicast { .. }));
1113    }
1114
1115    #[test]
1116    fn test_route_definition_defaults() {
1117        let def = RouteDefinition::new("direct:test", vec![]).with_route_id("test-route");
1118        assert_eq!(def.route_id(), "test-route");
1119        assert!(def.auto_startup());
1120        assert_eq!(def.startup_order(), 1000);
1121    }
1122
1123    #[test]
1124    fn test_route_definition_builders() {
1125        let def = RouteDefinition::new("direct:test", vec![])
1126            .with_route_id("my-route")
1127            .with_auto_startup(false)
1128            .with_startup_order(50);
1129        assert_eq!(def.route_id(), "my-route");
1130        assert!(!def.auto_startup());
1131        assert_eq!(def.startup_order(), 50);
1132    }
1133
1134    #[test]
1135    fn test_route_definition_accessors_cover_core_fields() {
1136        let def = RouteDefinition::new("direct:in", vec![BuilderStep::To("mock:out".into())])
1137            .with_route_id("accessor-route");
1138
1139        assert_eq!(def.from_uri(), "direct:in");
1140        assert_eq!(def.steps().len(), 1);
1141        assert!(matches!(def.steps()[0], BuilderStep::To(_)));
1142    }
1143
1144    #[test]
1145    fn test_route_definition_error_handler_circuit_breaker_and_concurrency_accessors() {
1146        use camel_api::circuit_breaker::CircuitBreakerConfig;
1147        use camel_api::error_handler::ErrorHandlerConfig;
1148        use camel_component_api::ConcurrencyModel;
1149
1150        let def = RouteDefinition::new("direct:test", vec![])
1151            .with_route_id("eh-route")
1152            .with_error_handler(ErrorHandlerConfig::dead_letter_channel("log:dlc"))
1153            .with_circuit_breaker(CircuitBreakerConfig::new())
1154            .with_concurrency(ConcurrencyModel::Concurrent { max: Some(4) });
1155
1156        let eh = def
1157            .error_handler_config()
1158            .expect("error handler should be set");
1159        assert_eq!(eh.dlc_uri.as_deref(), Some("log:dlc"));
1160        assert!(def.circuit_breaker_config().is_some());
1161        assert!(matches!(
1162            def.concurrency_override(),
1163            Some(ConcurrencyModel::Concurrent { max: Some(4) })
1164        ));
1165    }
1166
1167    #[test]
1168    fn test_builder_step_debug_covers_many_variants() {
1169        use camel_api::splitter::{AggregationStrategy, SplitterConfig, split_body_lines};
1170        use camel_api::{
1171            BoxProcessor, DynamicRouterConfig, Exchange, FilterPredicate, IdentityProcessor,
1172            OpaqueProcessor, RoutingSlipConfig, Value,
1173        };
1174        use std::sync::Arc;
1175
1176        let expr = LanguageExpressionDef {
1177            language: "simple".into(),
1178            source: "${body}".into(),
1179        };
1180
1181        let steps = vec![
1182            BuilderStep::Processor(OpaqueProcessor(BoxProcessor::new(IdentityProcessor))),
1183            BuilderStep::To("mock:out".into()),
1184            BuilderStep::Stop,
1185            BuilderStep::Log {
1186                level: camel_processor::LogLevel::Info,
1187                message: "hello".into(),
1188            },
1189            BuilderStep::DeclarativeSetHeader {
1190                key: "k".into(),
1191                value: ValueSourceDef::Literal(Value::String("v".into())),
1192            },
1193            BuilderStep::DeclarativeSetBody {
1194                value: ValueSourceDef::Expression(expr.clone()),
1195            },
1196            BuilderStep::DeclarativeFilter {
1197                predicate: expr.clone(),
1198                steps: vec![BuilderStep::Stop],
1199            },
1200            BuilderStep::DeclarativeChoice {
1201                whens: vec![DeclarativeWhenStep {
1202                    predicate: expr.clone(),
1203                    steps: vec![BuilderStep::Stop],
1204                }],
1205                otherwise: Some(vec![BuilderStep::Stop]),
1206            },
1207            BuilderStep::DeclarativeScript {
1208                expression: expr.clone(),
1209            },
1210            BuilderStep::DeclarativeSplit {
1211                expression: expr.clone(),
1212                aggregation: AggregationStrategy::Original,
1213                parallel: false,
1214                parallel_limit: Some(2),
1215                stop_on_exception: true,
1216                steps: vec![BuilderStep::Stop],
1217            },
1218            BuilderStep::Split {
1219                config: SplitterConfig::new(split_body_lines()),
1220                steps: vec![BuilderStep::Stop],
1221            },
1222            BuilderStep::Aggregate {
1223                config: camel_api::AggregatorConfig::correlate_by("id")
1224                    .complete_when_size(1)
1225                    .build()
1226                    .unwrap(),
1227            },
1228            BuilderStep::Filter {
1229                predicate: FilterPredicate::new(|_: &Exchange| true),
1230                steps: vec![BuilderStep::Stop],
1231            },
1232            BuilderStep::WireTap {
1233                uri: "mock:tap".into(),
1234            },
1235            BuilderStep::DeclarativeLog {
1236                level: camel_processor::LogLevel::Info,
1237                message: ValueSourceDef::Expression(expr.clone()),
1238            },
1239            BuilderStep::Bean {
1240                name: "bean".into(),
1241                method: "call".into(),
1242            },
1243            BuilderStep::Script {
1244                language: "rhai".into(),
1245                script: "body".into(),
1246            },
1247            BuilderStep::Throttle {
1248                config: camel_api::ThrottlerConfig::new(10, std::time::Duration::from_millis(10)),
1249                steps: vec![BuilderStep::Stop],
1250            },
1251            BuilderStep::LoadBalance {
1252                config: camel_api::LoadBalancerConfig::round_robin(),
1253                steps: vec![BuilderStep::To("mock:l1".into())],
1254            },
1255            BuilderStep::DynamicRouter {
1256                config: DynamicRouterConfig::new(Arc::new(|_| Some("mock:dr".into()))),
1257            },
1258            BuilderStep::RoutingSlip {
1259                config: RoutingSlipConfig::new(Arc::new(|_| Some("mock:rs".into()))),
1260            },
1261        ];
1262
1263        for step in steps {
1264            let dbg = format!("{step:?}");
1265            assert!(!dbg.is_empty());
1266        }
1267    }
1268
1269    #[test]
1270    fn test_route_definition_to_info_preserves_metadata() {
1271        let info = RouteDefinition::new("direct:test", vec![])
1272            .with_route_id("meta-route")
1273            .with_auto_startup(false)
1274            .with_startup_order(7)
1275            .to_info();
1276
1277        assert_eq!(info.route_id(), "meta-route");
1278        assert!(!info.auto_startup());
1279        assert_eq!(info.startup_order(), 7);
1280    }
1281
1282    #[test]
1283    fn test_choice_builder_step_debug() {
1284        use camel_api::FilterPredicate;
1285
1286        fn always_true(_: &camel_api::Exchange) -> bool {
1287            true
1288        }
1289
1290        let step = BuilderStep::Choice {
1291            whens: vec![WhenStep {
1292                predicate: FilterPredicate::new(always_true),
1293                steps: vec![BuilderStep::To("mock:a".into())],
1294            }],
1295            otherwise: None,
1296        };
1297        let debug = format!("{step:?}");
1298        assert!(debug.contains("Choice"));
1299    }
1300
1301    #[test]
1302    fn test_route_definition_unit_of_work() {
1303        use camel_api::UnitOfWorkConfig;
1304        let config = UnitOfWorkConfig {
1305            on_complete: Some("log:complete".into()),
1306            on_failure: Some("log:failed".into()),
1307        };
1308        let def = RouteDefinition::new("direct:test", vec![])
1309            .with_route_id("uow-test")
1310            .with_unit_of_work(config.clone());
1311        assert_eq!(
1312            def.unit_of_work_config().unwrap().on_complete.as_deref(),
1313            Some("log:complete")
1314        );
1315        assert_eq!(
1316            def.unit_of_work_config().unwrap().on_failure.as_deref(),
1317            Some("log:failed")
1318        );
1319
1320        let def_no_uow = RouteDefinition::new("direct:test", vec![]).with_route_id("no-uow");
1321        assert!(def_no_uow.unit_of_work_config().is_none());
1322    }
1323
1324    #[test]
1325    fn test_route_definition_security_policy_accessor() {
1326        use async_trait::async_trait;
1327        use camel_api::CamelError;
1328        use camel_api::Exchange;
1329        use camel_api::security_policy::{
1330            AuthorizationDecision, Principal, SecurityPolicy, SecurityPolicyConfig,
1331        };
1332
1333        struct StubPolicy;
1334        #[async_trait]
1335        impl SecurityPolicy for StubPolicy {
1336            async fn evaluate(
1337                &self,
1338                _exchange: &mut Exchange,
1339            ) -> Result<AuthorizationDecision, CamelError> {
1340                Ok(AuthorizationDecision::Granted {
1341                    principal: Principal {
1342                        subject: "test".into(),
1343                        issuer: "test".into(),
1344                        audience: vec![],
1345                        scopes: vec![],
1346                        roles: vec![],
1347                        claims: serde_json::Value::Null,
1348                    },
1349                })
1350            }
1351        }
1352
1353        let def_no_sp = RouteDefinition::new("direct:test", vec![]).with_route_id("no-sp");
1354        assert!(def_no_sp.security_policy_config().is_none());
1355
1356        let def = RouteDefinition::new("direct:test", vec![])
1357            .with_route_id("sp-test")
1358            .with_security_policy(SecurityPolicyConfig::new(StubPolicy));
1359        assert!(def.security_policy_config().is_some());
1360    }
1361
1362    #[test]
1363    fn test_route_definition_security_authenticator_accessor() {
1364        use camel_api::security_policy::Principal;
1365
1366        struct TestAuth;
1367        #[async_trait::async_trait]
1368        impl TokenAuthenticator for TestAuth {
1369            async fn authenticate_bearer(
1370                &self,
1371                _token: &str,
1372            ) -> Result<Principal, camel_api::CamelError> {
1373                Ok(Principal {
1374                    subject: "test".into(),
1375                    issuer: "test".into(),
1376                    audience: vec![],
1377                    scopes: vec![],
1378                    roles: vec![],
1379                    claims: serde_json::Value::Null,
1380                })
1381            }
1382        }
1383
1384        let def_no_auth = RouteDefinition::new("direct:test".to_string(), vec![]);
1385        assert!(def_no_auth.security_authenticator().is_none());
1386
1387        let auth = Arc::new(TestAuth);
1388        let def = RouteDefinition::new("direct:test".to_string(), vec![])
1389            .with_security_authenticator(auth);
1390        assert!(def.security_authenticator().is_some());
1391    }
1392
1393    #[test]
1394    fn test_map_steps_swaps_steps_and_preserves_other_fields() {
1395        let original = RouteDefinition::new(
1396            "direct:test".to_string(),
1397            vec![BuilderStep::To("mock:a".into()), BuilderStep::Stop],
1398        )
1399        .with_route_id("my-route");
1400
1401        let mapped = original.map_steps(|steps| {
1402            let mut out = Vec::with_capacity(steps.len() + 1);
1403            out.push(BuilderStep::To("mock:prefix".into()));
1404            out.extend(steps);
1405            out
1406        });
1407
1408        // Steps were transformed.
1409        assert_eq!(mapped.steps().len(), 3);
1410        assert!(matches!(mapped.steps()[0], BuilderStep::To(ref s) if s == "mock:prefix"));
1411        assert!(matches!(mapped.steps()[1], BuilderStep::To(ref s) if s == "mock:a"));
1412        // Other fields preserved.
1413        assert_eq!(mapped.route_id(), "my-route");
1414    }
1415}