Initial import from garrytan/gstack@026751e (main snapshot via local relay)

Source: https://github.com/garrytan/gstack/commit/026751e

browse/test/find-browse.test.ts

@@ -0,0 +1,50 @@
+/**
+ * Tests for find-browse binary locator.
+ */
+
+import { describe, test, expect } from 'bun:test';
+import { locateBinary } from '../src/find-browse';
+import { existsSync } from 'fs';
+
+describe('locateBinary', () => {
+  test('returns null when no binary exists at known paths', () => {
+    // This test depends on the test environment — if a real binary exists at
+    // ~/.claude/skills/gstack/browse/dist/browse, it will find it.
+    // We mainly test that the function doesn't throw.
+    const result = locateBinary();
+    expect(result === null || typeof result === 'string').toBe(true);
+  });
+
+  test('returns string path when binary exists', () => {
+    const result = locateBinary();
+    if (result !== null) {
+      expect(existsSync(result)).toBe(true);
+    }
+  });
+
+  test('priority chain checks .codex, .agents, .claude markers', () => {
+    // Verify the source code implements the correct priority order.
+    // We read the function source to confirm the markers array order.
+    const src = require('fs').readFileSync(require('path').join(__dirname, '../src/find-browse.ts'), 'utf-8');
+    // The markers array should list .codex first, then .agents, then .claude
+    const markersMatch = src.match(/const markers = \[([^\]]+)\]/);
+    expect(markersMatch).not.toBeNull();
+    const markers = markersMatch![1];
+    const codexIdx = markers.indexOf('.codex');
+    const agentsIdx = markers.indexOf('.agents');
+    const claudeIdx = markers.indexOf('.claude');
+    // All three must be present
+    expect(codexIdx).toBeGreaterThanOrEqual(0);
+    expect(agentsIdx).toBeGreaterThanOrEqual(0);
+    expect(claudeIdx).toBeGreaterThanOrEqual(0);
+    // .codex before .agents before .claude
+    expect(codexIdx).toBeLessThan(agentsIdx);
+    expect(agentsIdx).toBeLessThan(claudeIdx);
+  });
+
+  test('function signature accepts no arguments', () => {
+    // locateBinary should be callable with no arguments
+    expect(typeof locateBinary).toBe('function');
+    expect(locateBinary.length).toBe(0);
+  });
+});