Function TestScanRespectsGitignore

agent/agentgit/agentgit_test.go:150–186

(t *testing.T)

}

func TestScanRespectsGitignore(t *testing.T) {
	t.Parallel()

	repoDir := initTestRepo(t)
	logger := slogtest.Make(t, nil)

	// Add a .gitignore that ignores *.log files and the build/ directory.
	require.NoError(t, os.WriteFile(filepath.Join(repoDir, ".gitignore"), []byte("*.log\nbuild/\n"), 0o600))
	gitCmd(t, repoDir, "add", ".gitignore")
	gitCmd(t, repoDir, "commit", "-m", "add gitignore")

	// Create unstaged files: two normal, three matching gitignore patterns.
	require.NoError(t, os.WriteFile(filepath.Join(repoDir, "main.go"), []byte("package main\n"), 0o600))
	require.NoError(t, os.WriteFile(filepath.Join(repoDir, "util.go"), []byte("package util\n"), 0o600))
	require.NoError(t, os.WriteFile(filepath.Join(repoDir, "debug.log"), []byte("some log output\n"), 0o600))
	require.NoError(t, os.WriteFile(filepath.Join(repoDir, "error.log"), []byte("some error\n"), 0o600))
	require.NoError(t, os.MkdirAll(filepath.Join(repoDir, "build"), 0o700))
	require.NoError(t, os.WriteFile(filepath.Join(repoDir, "build", "output.bin"), []byte("binary\n"), 0o600))

	h := agentgit.NewHandler(logger)
	h.Subscribe([]string{filepath.Join(repoDir, "main.go")})

	ctx := context.Background()
	msg := h.Scan(ctx)
	require.NotNil(t, msg)
	require.Len(t, msg.Repositories, 1)

	diff := msg.Repositories[0].UnifiedDiff

	// The non-ignored files should appear in the diff.
	assert.Contains(t, diff, "main.go")
	assert.Contains(t, diff, "util.go")
	// The gitignored files must not appear in the diff.
	assert.NotContains(t, diff, "debug.log")
	assert.NotContains(t, diff, "error.log")
	assert.NotContains(t, diff, "output.bin")
}

func TestScanRespectsGitignoreNestedNegation(t *testing.T) {
	t.Parallel()