apcore 0.20.0

Schema-driven module standard for AI-perceivable interfaces
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282

//! Integration tests for BindingLoader with Registry and FunctionModule
//! using the canonical YAML format defined in DECLARATIVE_CONFIG_SPEC.md ยง3.

use apcore::bindings::{BindingHandler, BindingLoader};
use apcore::context::Context;
use apcore::errors::{ErrorCode, ModuleError};
use apcore::registry::registry::Registry;
use serde_json::{json, Value};
use std::collections::HashMap;
use std::sync::Arc;

// ---------------------------------------------------------------------------
// Helpers
// ---------------------------------------------------------------------------

fn make_echo_handler() -> BindingHandler {
    Arc::new(|inputs: Value, _ctx: &Context<Value>| Box::pin(async move { Ok(inputs) }))
}

fn make_error_handler() -> BindingHandler {
    Arc::new(|_inputs: Value, _ctx: &Context<Value>| {
        Box::pin(async move {
            Err(ModuleError::new(
                ErrorCode::GeneralInternalError,
                "handler intentionally failed".to_string(),
            ))
        })
    })
}

// ---------------------------------------------------------------------------
// register_into_with_handlers (canonical YAML format)
// ---------------------------------------------------------------------------

#[test]
fn register_single_binding_into_registry() {
    let registry = Registry::new();
    let dir = tempfile::tempdir().unwrap();
    let file_path = dir.path().join("e.binding.yaml");
    std::fs::write(
        &file_path,
        r#"
spec_version: "1.0"
bindings:
  - module_id: test.echo
    target: "test.echo:handler"
    auto_schema: true
"#,
    )
    .unwrap();

    let mut loader = BindingLoader::new();
    loader.load_from_yaml(&file_path).unwrap();

    let mut handlers: HashMap<String, BindingHandler> = HashMap::new();
    handlers.insert("test.echo:handler".to_string(), make_echo_handler());

    let count = loader
        .register_into_with_handlers(&registry, handlers)
        .unwrap();

    assert_eq!(count, 1);
    assert!(registry.get("test.echo").unwrap().is_some());
}

#[test]
fn register_multiple_bindings_into_registry() {
    let registry = Registry::new();
    let dir = tempfile::tempdir().unwrap();
    let file_path = dir.path().join("multi.binding.yaml");
    std::fs::write(
        &file_path,
        r#"
spec_version: "1.0"
bindings:
  - module_id: test.b1
    target: "test.b1:handler"
  - module_id: test.b2
    target: "test.b2:handler"
  - module_id: test.b3
    target: "test.b3:handler"
"#,
    )
    .unwrap();

    let mut loader = BindingLoader::new();
    loader.load_from_yaml(&file_path).unwrap();

    let mut handlers: HashMap<String, BindingHandler> = HashMap::new();
    for tgt in ["test.b1:handler", "test.b2:handler", "test.b3:handler"] {
        handlers.insert(tgt.to_string(), make_echo_handler());
    }

    let count = loader
        .register_into_with_handlers(&registry, handlers)
        .unwrap();
    assert_eq!(count, 3);
    assert!(registry.get("test.b1").unwrap().is_some());
    assert!(registry.get("test.b2").unwrap().is_some());
    assert!(registry.get("test.b3").unwrap().is_some());
}

#[test]
fn register_binding_with_top_level_description() {
    let registry = Registry::new();
    let dir = tempfile::tempdir().unwrap();
    let file_path = dir.path().join("d.binding.yaml");
    std::fs::write(
        &file_path,
        r#"
spec_version: "1.0"
bindings:
  - module_id: test.described
    target: "test.described:handler"
    description: "A well-described module"
    documentation: "Long-form details about this module."
"#,
    )
    .unwrap();

    let mut loader = BindingLoader::new();
    loader.load_from_yaml(&file_path).unwrap();

    let mut handlers: HashMap<String, BindingHandler> = HashMap::new();
    handlers.insert("test.described:handler".to_string(), make_echo_handler());

    let count = loader
        .register_into_with_handlers(&registry, handlers)
        .unwrap();
    assert_eq!(count, 1);
    assert!(registry.get("test.described").unwrap().is_some());
}

#[test]
fn register_fails_when_handler_missing_for_target() {
    let registry = Registry::new();
    let dir = tempfile::tempdir().unwrap();
    let file_path = dir.path().join("nh.binding.yaml");
    std::fs::write(
        &file_path,
        r#"
spec_version: "1.0"
bindings:
  - module_id: test.x
    target: "test.x:needs_handler"
"#,
    )
    .unwrap();

    let mut loader = BindingLoader::new();
    loader.load_from_yaml(&file_path).unwrap();

    let result = loader.register_into_with_handlers(&registry, HashMap::new());
    assert!(result.is_err());
    let err = result.unwrap_err();
    assert_eq!(err.code, ErrorCode::BindingModuleNotFound);
    assert!(err.message.contains("needs_handler"));
}

#[test]
fn register_empty_loader_succeeds_with_zero_count() {
    let registry = Registry::new();
    let loader = BindingLoader::new();
    let count = loader
        .register_into_with_handlers(&registry, HashMap::new())
        .unwrap();
    assert_eq!(count, 0);
}

#[test]
fn json_load_canonical_format() {
    let registry = Registry::new();
    let dir = tempfile::tempdir().unwrap();
    let file_path = dir.path().join("bindings.json");
    let body = json!({
        "spec_version": "1.0",
        "bindings": [
            {"module_id": "test.j", "target": "test.j:handler"}
        ]
    });
    std::fs::write(&file_path, serde_json::to_string(&body).unwrap()).unwrap();

    let mut loader = BindingLoader::new();
    loader.load_from_file(&file_path).unwrap();

    let mut handlers: HashMap<String, BindingHandler> = HashMap::new();
    handlers.insert("test.j:handler".to_string(), make_echo_handler());

    let count = loader
        .register_into_with_handlers(&registry, handlers)
        .unwrap();
    assert_eq!(count, 1);
    assert!(registry.get("test.j").unwrap().is_some());
}

// ---------------------------------------------------------------------------
// End-to-end: load YAML dir, register, execute
// ---------------------------------------------------------------------------

#[tokio::test]
async fn end_to_end_yaml_load_and_registry_execution() {
    let dir = tempfile::tempdir().unwrap();
    let yaml = r#"
spec_version: "1.0"
bindings:
  - module_id: test.yaml_echo
    target: "test.yaml_echo:echo_fn"
    description: Echo inputs back as output
    auto_schema: true
"#;
    std::fs::write(dir.path().join("echo.binding.yaml"), yaml).unwrap();

    let mut loader = BindingLoader::new();
    let n_loaded = loader.load_binding_dir(dir.path(), None).unwrap();
    assert_eq!(n_loaded, 1);

    let registry = Registry::new();
    let mut handlers: HashMap<String, BindingHandler> = HashMap::new();
    handlers.insert("test.yaml_echo:echo_fn".to_string(), make_echo_handler());

    let registered = loader
        .register_into_with_handlers(&registry, handlers)
        .unwrap();
    assert_eq!(registered, 1);

    let module = registry
        .get("test.yaml_echo")
        .unwrap()
        .expect("module should be registered");
    let identity = apcore::context::Identity::new(
        "tester".to_string(),
        "service".to_string(),
        vec![],
        HashMap::new(),
    );
    let ctx: Context<Value> = Context::new(identity);
    let inputs = json!({"key": "value"});
    let output = module.execute(inputs.clone(), &ctx).await.unwrap();
    assert_eq!(output, inputs);
}

#[tokio::test]
async fn registered_handler_propagates_error() {
    let dir = tempfile::tempdir().unwrap();
    let yaml = r#"
spec_version: "1.0"
bindings:
  - module_id: test.failing
    target: "test.failing:fail_fn"
    auto_schema: true
"#;
    std::fs::write(dir.path().join("fail.binding.yaml"), yaml).unwrap();

    let mut loader = BindingLoader::new();
    loader.load_binding_dir(dir.path(), None).unwrap();

    let registry = Registry::new();
    let mut handlers: HashMap<String, BindingHandler> = HashMap::new();
    handlers.insert("test.failing:fail_fn".to_string(), make_error_handler());

    loader
        .register_into_with_handlers(&registry, handlers)
        .unwrap();

    let module = registry
        .get("test.failing")
        .unwrap()
        .expect("module should be registered");
    let identity = apcore::context::Identity::new(
        "tester".to_string(),
        "service".to_string(),
        vec![],
        HashMap::new(),
    );
    let ctx: Context<Value> = Context::new(identity);
    let result = module.execute(json!({}), &ctx).await;
    assert!(result.is_err());
    assert!(result
        .unwrap_err()
        .message
        .contains("handler intentionally failed"));
}