fix(process): exclude Dart test entry points (#3407)

Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>

gitnexus/src/core/ingestion/utils/test-file-path.ts

@@ -54,6 +54,7 @@ const TEST_PATH_SUBSTRINGS: readonly string[] = [
 const TEST_PATH_DELIMITED_SUFFIXES: readonly string[] = [
   '_test.py',
   '_test.go',
+  '_test.dart',
   '_spec.rb',
   '_test.rb',
 ];

gitnexus/test/unit/process-processor.test.ts

@@ -304,6 +304,43 @@ describe('processProcesses', () => {
     expect(testProcess).toBeUndefined();
   });
 
+  it('excludes Dart *_test.dart entry points outside the test directory', async () => {
+    const graph = createKnowledgeGraph();
+    graph.addNode({
+      id: 'func:dartTestMain',
+      label: 'Function',
+      properties: {
+        name: 'main',
+        filePath: 'lib/pages/dashboard_test.dart',
+        startLine: 1,
+        endLine: 10,
+        isExported: true,
+      },
+    });
+    graph.addNode({
+      id: 'func:dartHelper',
+      label: 'Function',
+      properties: {
+        name: 'loadDashboard',
+        filePath: 'lib/pages/dashboard.dart',
+        startLine: 1,
+        endLine: 5,
+        isExported: true,
+      },
+    });
+    graph.addRelationship({
+      id: 'call:dartTest',
+      sourceId: 'func:dartTestMain',
+      targetId: 'func:dartHelper',
+      type: 'CALLS',
+      confidence: 0.9,
+      reason: '',
+    });
+
+    const result = await processProcesses(graph, []);
+    expect(result.processes.some((p) => p.entryPointId === 'func:dartTestMain')).toBe(false);
+  });
+
   it('filters out low-confidence calls (below 0.5)', async () => {
     const graph = createKnowledgeGraph();
 

gitnexus/test/unit/test-file-path.test.ts

@@ -14,6 +14,7 @@ describe('isTestFilePath — shared predicate', () => {
   it('normalizes Windows separators and casing', () => {
     expect(isTestFilePath('SRC\\Test\\FooTests.cs')).toBe(true);
     expect(isTestFilePath('pkg\\thing_test.go')).toBe(true);
+    expect(isTestFilePath('PKG\\thing_test.dart')).toBe(true);
     expect(isTestFilePath('src\\Widgets.Tests\\WidgetTests.cs')).toBe(true);
   });
 
@@ -31,6 +32,8 @@ describe('isTestFilePath — shared predicate', () => {
     'tests/Feature/LoginTest.php',
     'tests/Unit/ThingSpec.php',
     'tests/Feature/Support/FakeGateway.php',
+    'test/pages/dashboard_page_test.dart',
+    'lib/widgets/dashboard_test.dart',
   ]) {
     it(`detects a test path the MCP copy used to miss: ${p}`, () => {
       expect(isTestFilePath(p)).toBe(true);
@@ -56,6 +59,8 @@ describe('isTestFilePath — shared predicate', () => {
     'Latest.php',
     'src/fixtures/schema.ts',
     'src/fruitests/helpers.swift',
+    'lib/widgets/dashboard.dart',
+    'lib/widgets/dashboard_test.dart.backup',
   ]) {
     it(`does not classify production code as test: ${p}`, () => {
       expect(isTestFilePath(p)).toBe(false);
@@ -77,6 +82,7 @@ describe('test-file classification has exactly one implementation', () => {
     'Contest.swift',
     'spec/models/user_spec.rb',
     'pkg/thing_test.go',
+    'lib/widgets/dashboard_test.dart',
     'tests/Feature/LoginTest.php',
   ];