bonsai-ninja-security 0.3.1

Security rulepack loader, matcher, and source/sink/sanitizer wrapper for bonsai-ninja.
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
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
use super::*;
use crate::loader::{load_rulepack, LanguagePack, Rulepack, RulepackMetadata};
use crate::rule::{MatchKind, MatchSpec, Rule, RuleConstraint, RuleKind, RuleTarget, Severity};

fn temp_root(tag: &str) -> std::path::PathBuf {
    use std::time::{SystemTime, UNIX_EPOCH};
    let nanos = SystemTime::now()
        .duration_since(UNIX_EPOCH)
        .expect("time")
        .as_nanos();
    let path = std::env::temp_dir().join(format!("{tag}-{}-{nanos}", std::process::id()));
    std::fs::create_dir(&path).expect("temp dir");
    path
}

fn bundled_metadata() -> RulepackMetadata {
    load_rulepack(
        &std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
            .join("../..")
            .join("security-patterns"),
    )
    .expect("bundled rulepack")
    .metadata
}

fn pack_with_bundled_metadata() -> Rulepack {
    let mut pack = Rulepack::default();
    pack.metadata = bundled_metadata();
    pack
}

fn package_rule(package: &str) -> Rule {
    Rule {
        id: "java.test.package_gate".to_string(),
        aliases: Vec::new(),
        enabled: true,
        disabled_reason: None,
        title: None,
        tag: Some("test".to_string()),
        severity: Some(Severity::Critical),
        trust: None,
        category: None,
        cwe: vec![],
        owasp: vec![],
        frameworks: vec![],
        packages: vec![package.to_string()],
        imports: vec![],
        modules: vec![],
        manifests: vec![],
        lockfiles: vec![],
        package_matching: Default::default(),
        payload_types: vec![],
        match_spec: MatchSpec {
            kind: MatchKind::Call,
            callee: Some(RuleTarget {
                name: Some("lookup".to_string()),
                ..Default::default()
            }),
            target: None,
        },
        analysis_semantics: None,
        taint_semantics: None,
        lifecycle_transition: None,
        returns_type: None,
        callback_param_types: Vec::new(),
        callback_arg_index: None,
        callback_field_path: Vec::new(),
        constraints: RuleConstraint::default(),
        match_examples: Vec::new(),
        description: "test".to_string(),
        kind: RuleKind::Sink,
        language: "java".to_string(),
        source_path: "test.yml".to_string(),
    }
}

fn python_package_rule(package: &str) -> Rule {
    let mut rule = package_rule(package);
    rule.id = "python.test.package_gate".to_string();
    rule.language = "python".to_string();
    rule
}

#[test]
fn manifest_recognition_reuses_the_language_mapping() {
    let metadata = bundled_metadata();
    for basename in [
        "Pipfile",
        "mix.exs",
        "go.work",
        "packages.config",
        "project.csproj",
        "plugin.gemspec",
        "Package.resolved",
    ] {
        assert!(
            is_dependency_manifest_basename(basename, &metadata),
            "{basename} has a language mapping and must be scanned"
        );
    }
    assert!(!is_dependency_manifest_basename("notes.yaml", &metadata));
}

#[test]
fn every_bundled_manifest_pattern_participates_in_root_cache_freshness() {
    for (language, metadata) in bundled_metadata().languages {
        for pattern in metadata.dependency_manifest_patterns {
            let filename = pattern.replace('*', "sample");
            assert!(
                bonsai_common::dependency_metadata::is_dependency_metadata_file(&filename),
                "{language}: {pattern} cannot be omitted from root-only cache fingerprints"
            );
        }
    }
}

#[test]
fn dependency_package_evidence_ignores_manifest_prose_and_comments() {
    let cases = [
        ("package.json", "javascript", r#"{"name":"sample","description":"express","dependencies":{"fastify":"*"}}"#, "express", "fastify"),
        ("Cargo.toml", "rust", "[package]\nname = 'sample'\nversion = '0.1.0'\ndescription = 'reqwest'\n# reqwest = '*'\n[dependencies]\nserde = '1'\n", "reqwest", "serde"),
        ("pom.xml", "java", "<project><!-- <artifactId>log4j-core</artifactId> --><description>log4j-core</description><dependencies><dependency><artifactId>jackson-databind</artifactId></dependency></dependencies></project>", "log4j-core", "jackson-databind"),
        ("pubspec.yaml", "dart", "name: sample\ndescription: dio\n# dio: any\ndependencies:\n  http: any\n", "dio", "http"),
    ];
    for (filename, language, text, absent, present) in cases {
        let root = tempfile::tempdir().expect("manifest fixture");
        std::fs::write(root.path().join(filename), text).expect("write manifest");
        let context = build_workspace_dependency_package_context(root.path(), &bundled_metadata(), None);
        let packages = workspace_dependency_packages_from_context(&context, language).packages;
        assert!(
            !packages.contains(absent),
            "{filename} prose/comment is not package evidence: {packages:?}"
        );
        assert!(
            packages.contains(present),
            "{filename} lost a declared dependency: {packages:?}"
        );
    }
}

#[test]
fn structured_manifests_preserve_declared_aliases_nested_locks_and_short_names() {
    let metadata = bundled_metadata();
    for (file, language, source, expected) in [
        ("package.json", "javascript", r#"{"dependencies":{"q":"1","alias":"npm:@scope/real@^1"}}"#, vec!["q", "alias", "@scope/real"]),
        ("package-lock.json", "javascript", r#"{"dependencies":{"outer":{"dependencies":{"inner":{}}}},"packages":{"node_modules/@scope/pkg":{},"node_modules/a/node_modules/b":{}}}"#, vec!["outer", "inner", "@scope/pkg", "b"]),
        ("Cargo.toml", "rust", "[target.'cfg(unix)'.dev-dependencies]\nalias = { package = 'real-crate', version = '1' }\n[workspace.dependencies]\nshared = '1'\n", vec!["alias", "real-crate", "shared"]),
        ("pyproject.toml", "python", "[project.optional-dependencies]\ntest = ['requests[socks]>=2']\n[dependency-groups]\nlint = ['ruff==0.1']\n", vec!["requests", "ruff"]),
        ("app.csproj", "csharp", "<Project><!-- <PackageReference Include='fake'/> --><ItemGroup><PackageReference Include='Real.Package'/></ItemGroup></Project>", vec!["Real.Package"]),
        ("requirements.txt", "python", "# express requests\nrequests[socks]>=2; python_version > '3' # comment\nq==1\n", vec!["requests", "q"]),
    ] {
        let packages = dependency_manifest_packages(Path::new(file), source, language, &metadata, None).expect(file);
        for package in expected { assert!(packages.contains(package), "{file}: {package} missing: {packages:?}"); }
        assert!(!packages.contains("fake") && !packages.contains("express"));
    }
}

#[test]
fn invalid_or_unmodeled_manifests_never_fall_back_to_raw_package_names() {
    let metadata = bundled_metadata();
    for (file, language, source) in [
        ("package.json", "javascript", r#"{"dependencies":{"express":"1"}, broken"#),
        ("plugin.gemspec", "ruby", "# actionpack\n"),
        ("pom.xml", "java", "<!DOCTYPE a [<!ENTITY x SYSTEM 'file:///private'>]><project><artifactId>&x;</artifactId></project>"),
    ] {
        assert!(dependency_manifest_packages(Path::new(file), source, language, &metadata, None).is_err(), "{file}");
    }
    let root = tempfile::tempdir().unwrap();
    std::fs::write(root.path().join("pyproject.toml"), "[project\n# django").unwrap();
    let ws = Workspace::new(bonsai_adapters::all_languages_registry());
    let mut pack = pack_with_bundled_metadata();
    pack.packs.insert(
        "python".into(),
        LanguagePack {
            language: "python".into(),
            sources: Vec::new(),
            sinks: vec![python_package_rule("django")],
            sanitizers: Vec::new(),
            typing: Vec::new(),
        },
    );
    let inventory = build_inventory(&pack, &ws, root.path());
    assert!(inventory.rows.is_empty());
    assert!(!inventory.analysis_complete);
    assert!(inventory
        .analysis_incomplete_reasons
        .iter()
        .any(|reason| reason.contains("pyproject.toml")));
    let report =
        crate::deps_analysis::dependency_analysis(&ws, &pack, root.path(), Default::default()).unwrap();
    assert!(
        !report.analysis_complete,
        "empty dependency report must retain manifest errors"
    );
}

#[test]
fn code_manifests_require_compiler_proven_calls_and_static_values() {
    let ws = Workspace::new(bonsai_adapters::all_languages_registry());
    let metadata = bundled_metadata();
    for (file, language, source, present, absent) in [
        ("Gemfile", "ruby", "# gem 'fake'\nnotes = \"gem 'fake'\"\ngem 'actionpack'\n", vec!["actionpack"], vec!["fake"]),
        ("Gemfile", "ruby", "def gem(name)\n puts name\nend\ngem 'actionpack'\n", vec![], vec!["actionpack"]),
        ("setup.py", "python", "from setuptools import setup\nsetup(name='app', description='fake', install_requires=['requests>=2'])\n", vec!["app", "requests"], vec!["fake"]),
    ] {
        let packages = dependency_manifest_packages(Path::new(file), source, language, &metadata, Some(&ws)).expect(file);
        for package in present { assert!(packages.contains(package), "{file}: {package} missing: {packages:?}"); }
        for package in absent { assert!(!packages.contains(package), "{file}: false package {package}: {packages:?}"); }
    }
    assert!(dependency_manifest_packages(
        Path::new("Gemfile"),
        "gem ENV['PACKAGE']\n",
        "ruby",
        &metadata,
        Some(&ws)
    )
    .is_err());
    assert!(dependency_manifest_packages(
        Path::new("Gemfile"),
        "def unused\n gem 'actionpack'\nend\n",
        "ruby",
        &metadata,
        Some(&ws)
    )
    .is_err());
}

#[test]
fn code_manifest_imports_do_not_erase_workspace_local_provider_shadowing() {
    let metadata = bundled_metadata();
    let ws = Workspace::new(bonsai_adapters::all_languages_registry());
    for (provider, source) in [
        (
            "setuptools.py",
            "from setuptools import setup\nsetup(install_requires=['django'])\n",
        ),
        (
            "setuptools.py",
            "import setuptools as packaging\npackaging.setup(install_requires=['django'])\n",
        ),
        (
            "setuptools/__init__.py",
            "from setuptools import setup\nsetup(install_requires=['django'])\n",
        ),
    ] {
        let root = tempfile::tempdir().unwrap();
        let provider = root.path().join(provider);
        std::fs::create_dir_all(provider.parent().unwrap()).unwrap();
        std::fs::write(&provider, "def setup(**options):\n    return None\n").unwrap();
        let error = dependency_manifest_packages(
            &root.path().join("setup.py"),
            source,
            "python",
            &metadata,
            Some(&ws),
        )
        .expect_err("local or unselected providers must not become external dependency evidence");
        assert!(error.to_string().contains("workspace-local"), "{error}");
    }

    let root = tempfile::tempdir().unwrap();
    std::fs::write(
        root.path().join("setup.py"),
        "from setuptools import setup\nsetup(install_requires=['django'])\n",
    )
    .unwrap();
    let ws = Workspace::index(root.path(), bonsai_adapters::all_languages_registry()).unwrap();
    let before = build_workspace_dependency_package_context(root.path(), &metadata, Some(&ws));
    assert!(before.incomplete_reasons.is_empty());
    // Deliberately leave the new provider outside the selected VFS: scope
    // exclusions must not turn a local import into an external package.
    std::fs::write(
        root.path().join("setuptools.py"),
        "def setup(**options):\n    return None\n",
    )
    .unwrap();
    let after = build_workspace_dependency_package_context(root.path(), &metadata, Some(&ws));
    assert_ne!(before.fingerprint, after.fingerprint);
    assert!(after
        .incomplete_reasons
        .iter()
        .any(|reason| reason.contains("workspace-local")));
}

#[test]
fn dependency_layouts_are_validated_and_part_of_snapshot_identity() {
    let root = tempfile::tempdir().unwrap();
    let mut metadata = bundled_metadata();
    let before = build_workspace_dependency_package_context(root.path(), &metadata, None).fingerprint;
    let javascript = metadata.languages.get_mut("javascript").unwrap();
    javascript.dependency_manifest_layouts[0].packages[0].path = vec!["alternate".into()];
    let after = build_workspace_dependency_package_context(root.path(), &metadata, None).fingerprint;
    assert_ne!(before, after);
    for source in [
        r#"{"files":["x"],"format":"json","packages":[{"path":[],"capture":"no-group"}]}"#,
        r#"{"files":["x"],"format":"xml","packages":[{"path":[],"keys":true}]}"#,
        r#"{"files":["x"],"format":"lines","packages":[{"path":[],"capture":"(unanchored)"}]}"#,
        r#"{"files":["x"],"format":"code","adapter":"ruby","calls":[{"callee":{"name":"gem"},"arguments":[{"index":0,"keyword":"name"}]}]}"#,
    ] {
        let layout: crate::loader::DependencyManifestLayout = serde_json::from_str(source).unwrap();
        assert!(layout.validate().is_err(), "{source}");
    }
}

#[cfg(unix)]
#[test]
fn manifest_scan_does_not_follow_directory_symlinks_outside_the_workspace() {
    let root = temp_root("bonsai-deps-symlink-root");
    let outside = temp_root("bonsai-deps-symlink-outside");
    std::fs::write(outside.join("Pipfile"), "requests = \"*\"").expect("outside manifest");
    std::os::unix::fs::symlink(&outside, root.join("linked")).expect("directory symlink");

    let paths = scan_manifest_files(&root, &pack_with_bundled_metadata());
    assert!(
        paths.is_empty(),
        "dependency inventory must not follow workspace symlinks: {paths:?}"
    );
}

#[test]
fn dependency_inventory_treats_manifest_package_name_as_evidence() {
    let root = temp_root("bonsai-deps-package");
    std::fs::write(
        root.join("pom.xml"),
        r"<project><artifactId>log4j-core</artifactId></project>",
    )
    .expect("pom");
    let ws = Workspace::new(std::sync::Arc::new(bonsai_lang_api::LanguageRegistry::new()));

    let mut pack = pack_with_bundled_metadata();
    pack.packs.insert(
        "java".to_string(),
        LanguagePack {
            language: "java".to_string(),
            sources: Vec::new(),
            sinks: vec![package_rule("log4j-core")],
            sanitizers: Vec::new(),
            typing: Vec::new(),
        },
    );

    let inventory = build_inventory(&pack, &ws, &root);
    assert!(
        inventory.rows.iter().any(|row| {
            row.key == "log4j-core"
                && row.signals.iter().any(|signal| signal == "packages:log4j-core")
                && row.evidence_files.iter().any(|file| file.ends_with("pom.xml"))
        }),
        "expected log4j-core manifest evidence, got {:?}",
        inventory.rows
    );
}

#[test]
fn dependency_inventory_does_not_project_one_package_signal_onto_siblings() {
    let root = temp_root("bonsai-deps-package-siblings");
    std::fs::write(
        root.join("pom.xml"),
        r"<project><artifactId>log4j-core</artifactId></project>",
    )
    .expect("pom");
    let ws = Workspace::new(std::sync::Arc::new(bonsai_lang_api::LanguageRegistry::new()));

    let mut rule = package_rule("log4j-core");
    rule.packages.push("commons-io".to_string());
    rule.manifests.push("pom.xml".to_string());
    rule.lockfiles.push("Cargo.lock".to_string());
    std::fs::write(root.join("Cargo.lock"), "version = 3\n").expect("unrelated lockfile");

    let mut pack = pack_with_bundled_metadata();
    pack.packs.insert(
        "java".to_string(),
        LanguagePack {
            language: "java".to_string(),
            sources: Vec::new(),
            sinks: vec![rule],
            sanitizers: Vec::new(),
            typing: Vec::new(),
        },
    );

    let inventory = build_inventory(&pack, &ws, &root);
    assert!(
        inventory.rows.iter().any(|row| row.key == "log4j-core"),
        "expected log4j-core evidence, got {:?}",
        inventory.rows
    );
    assert!(
        inventory.rows.iter().all(|row| row.key != "commons-io"),
        "did not expect commons-io evidence from a log4j-core manifest, got {:?}",
        inventory.rows
    );
    let row = inventory.rows.iter().find(|row| row.key == "log4j-core").unwrap();
    assert!(row.signals.iter().any(|signal| signal == "manifests:pom.xml"));
    assert!(row.signals.iter().all(|signal| signal != "lockfiles:Cargo.lock"));
    assert_eq!(row.evidence_files, ["pom.xml"]);
    std::fs::remove_dir_all(root).expect("fixture cleanup");
}

#[test]
fn a_manifest_filename_without_package_evidence_never_establishes_a_dependency() {
    let root = temp_root("bonsai-deps-unrelated-manifest");
    std::fs::write(
        root.join("pyproject.toml"),
        "[project]\ndependencies = [\"Flask>=3\"]\n",
    )
    .expect("manifest");
    let ws = Workspace::new(std::sync::Arc::new(bonsai_lang_api::LanguageRegistry::new()));
    let mut rule = python_package_rule("django");
    rule.packages.push("pyramid".to_string());
    rule.manifests.push("pyproject.toml".to_string());
    let mut pack = pack_with_bundled_metadata();
    pack.packs.insert(
        "python".to_string(),
        LanguagePack {
            language: "python".to_string(),
            sources: Vec::new(),
            sinks: vec![rule],
            sanitizers: Vec::new(),
            typing: Vec::new(),
        },
    );
    let inventory = build_inventory(&pack, &ws, &root);
    assert!(
        inventory.rows.is_empty(),
        "unrelated packages: {:?}",
        inventory.rows
    );
    std::fs::remove_dir_all(root).expect("fixture cleanup");
}

#[test]
fn workspace_dependency_packages_alias_python_distribution_names_to_imports() {
    let root = temp_root("bonsai-deps-python-aliases");
    std::fs::write(
        root.join("requirements.txt"),
        "psycopg2-binary==2.9.9\ndjangorestframework==3.15.1\nmysql-connector-python==9.1.0\n",
    )
    .expect("requirements");

    let context = build_workspace_dependency_package_context(&root, &bundled_metadata(), None);
    let packages = workspace_dependency_packages_from_context(&context, "python").packages;
    assert!(
        packages.contains("psycopg2"),
        "expected psycopg2 alias from psycopg2-binary, got {:?}",
        packages
    );
    assert!(
        packages.contains("rest_framework"),
        "expected rest_framework alias from djangorestframework, got {:?}",
        packages
    );
    assert!(
        packages.contains("mysql.connector"),
        "expected mysql.connector alias from mysql-connector-python, got {:?}",
        packages
    );
}

#[test]
fn workspace_dependency_packages_alias_rust_hyphenated_crates_to_imports() {
    let root = temp_root("bonsai-deps-rust-aliases");
    std::fs::write(
        root.join("Cargo.toml"),
        r#"[dependencies]
percent-encoding = "2"
"#,
    )
    .expect("cargo");

    let context = build_workspace_dependency_package_context(&root, &bundled_metadata(), None);
    let packages = workspace_dependency_packages_from_context(&context, "rust").packages;
    assert!(
        packages.contains("percent_encoding"),
        "expected percent_encoding alias from percent-encoding, got {:?}",
        packages
    );
}

#[test]
fn broad_manifest_refresh_replaces_stale_package_context() {
    let root = temp_root("bonsai-deps-manifest-refresh");
    let manifest = root.join("requirements.txt");
    std::fs::write(&manifest, "psycopg2-binary==2.9.9\n").expect("initial requirements");

    let metadata = bundled_metadata();
    let initial_context = build_workspace_dependency_package_context(&root, &metadata, None);
    let initial = workspace_dependency_packages_from_context(&initial_context, "python");
    assert!(initial.packages.contains("psycopg2"));
    assert!(!initial.packages.contains("requests"));

    std::fs::write(&manifest, "requests==2.32.3\n").expect("updated requirements");
    let refreshed_context = build_workspace_dependency_package_context(&root, &metadata, None);
    let refreshed = workspace_dependency_packages_from_context(&refreshed_context, "python");
    assert_ne!(initial.fingerprint, refreshed.fingerprint);
    assert!(!refreshed.packages.contains("psycopg2"));
    assert!(refreshed.packages.contains("requests"));
}

#[test]
fn analysis_manifest_snapshot_remains_immutable_until_the_run_finishes() {
    let root = temp_root("bonsai-deps-analysis-snapshot");
    let manifest = root.join("requirements.txt");
    std::fs::write(&manifest, "psycopg2-binary==2.9.9\n").expect("initial requirements");
    let workspace_id = 9_001;
    let pack = pack_with_bundled_metadata();
    let snapshot = super::begin_workspace_dependency_package_snapshot(&root, workspace_id, &pack, None);

    let initial =
        super::workspace_dependency_packages_for_language_in_workspace(&root, "python", workspace_id);
    assert!(initial.packages.contains("psycopg2"));
    std::fs::write(&manifest, "requests==2.32.3\n").expect("updated requirements");

    let during_run =
        super::workspace_dependency_packages_for_language_in_workspace(&root, "python", workspace_id);
    assert_eq!(initial.fingerprint, during_run.fingerprint);
    assert!(during_run.packages.contains("psycopg2"));
    assert!(!during_run.packages.contains("requests"));

    drop(snapshot);
    let _refreshed_snapshot =
        super::begin_workspace_dependency_package_snapshot(&root, workspace_id, &pack, None);
    let after_run =
        super::workspace_dependency_packages_for_language_in_workspace(&root, "python", workspace_id);
    assert_ne!(after_run.fingerprint, initial.fingerprint);
    assert!(!after_run.packages.contains("psycopg2"));
    assert!(after_run.packages.contains("requests"));
}

#[test]
fn dependency_inventory_reports_python_distribution_alias_as_package_evidence() {
    let root = temp_root("bonsai-deps-python-inventory-alias");
    std::fs::write(root.join("requirements.txt"), "psycopg2-binary==2.9.9\n").expect("requirements");
    let ws = Workspace::new(std::sync::Arc::new(bonsai_lang_api::LanguageRegistry::new()));

    let mut pack = pack_with_bundled_metadata();
    pack.packs.insert(
        "python".to_string(),
        LanguagePack {
            language: "python".to_string(),
            sources: Vec::new(),
            sinks: vec![python_package_rule("psycopg2")],
            sanitizers: Vec::new(),
            typing: Vec::new(),
        },
    );

    let inventory = build_inventory(&pack, &ws, &root);
    assert!(
        inventory.rows.iter().any(|row| {
            row.key == "psycopg2"
                && row.signals.iter().any(|signal| signal == "packages:psycopg2")
                && row
                    .evidence_files
                    .iter()
                    .any(|file| file.ends_with("requirements.txt"))
        }),
        "expected psycopg2 evidence from psycopg2-binary, got {:?}",
        inventory.rows
    );
}