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fix: isolate TestSetupGlobalGitIgnore_ReadOnly from user's git config (#1045)

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The test was failing because it called 'git config --global core.excludesfile'
which returned the real user's gitignore path instead of using the test's
temp directory.

Fix: Set GIT_CONFIG_GLOBAL env var to an empty temp config file, ensuring
the test uses the temp directory's .config/git/ignore path as intended.

Also extracted the isolation logic into a reusable setupIsolatedGitConfig helper.

Co-authored-by: Ismar Iljazovic <ismar@gmail.com>
This commit is contained in:
Ismar
2026-01-13 01:42:30 +01:00
committed by GitHub
parent 75f03b782f
commit dc28efe9d1
1 changed files with 28 additions and 14 deletions
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18
cmd/bd/init_test.go
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@@ -1188,8 +1188,8 @@ func TestInitBranchPersistsToConfigYaml(t *testing.T) {
// The bug: sync-branch remains commented as "# sync-branch:" instead of "sync-branch:"
// This test should FAIL on the current codebase to prove the bug exists
if strings.Contains(configStr, "# sync-branch:") && !strings.Contains(configStr, "\nsync-branch:") {
t.Errorf("BUG: --branch flag did not persist to config.yaml\n"+
"Expected uncommented 'sync-branch: \"beads-sync\"'\n"+
t.Errorf("BUG: --branch flag did not persist to config.yaml\n" +
"Expected uncommented 'sync-branch: \"beads-sync\"'\n" +
"Got commented '# sync-branch:' (only set in database, not config.yaml)")
}
@@ -1257,11 +1257,24 @@ func TestInitReinitWithBranch(t *testing.T) {
}
}
// setupIsolatedGitConfig creates an empty git config in tmpDir and sets GIT_CONFIG_GLOBAL
// to prevent tests from using the real user's global git config.
func setupIsolatedGitConfig(t *testing.T, tmpDir string) {
t.Helper()
gitConfigPath := filepath.Join(tmpDir, ".gitconfig")
if err := os.WriteFile(gitConfigPath, []byte(""), 0644); err != nil {
t.Fatal(err)
}
t.Setenv("GIT_CONFIG_GLOBAL", gitConfigPath)
}
// TestSetupGlobalGitIgnore_ReadOnly verifies graceful handling when the
// gitignore file cannot be written (prints manual instructions instead of failing).
func TestSetupGlobalGitIgnore_ReadOnly(t *testing.T) {
t.Run("read-only file", func(t *testing.T) {
tmpDir := t.TempDir()
setupIsolatedGitConfig(t, tmpDir)
configDir := filepath.Join(tmpDir, ".config", "git")
if err := os.MkdirAll(configDir, 0755); err != nil {
t.Fatal(err)
@@ -1290,6 +1303,7 @@ func TestSetupGlobalGitIgnore_ReadOnly(t *testing.T) {
t.Run("symlink to read-only file", func(t *testing.T) {
tmpDir := t.TempDir()
setupIsolatedGitConfig(t, tmpDir)
// Target file in a separate location
targetDir := filepath.Join(tmpDir, "target")