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test: avoid redundant fixture work

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Reuse immutable fixtures, combine Git queries and avoid large data copies to reduce test overhead while retaining behavior checks.

Assisted-by: Codex:GPT-6
This commit is contained in:
silverwind committed 2026-11-05 07:06:33 +01:00
1 parent aa56f46c89
commit 9e6bf67d7d
28 files changed
+261 -291
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act/common/git/git_test.go
+25 -31
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@@ -112,8 +112,7 @@ func TestFindGitMetadataOfSHA256RepositoryUsesOrigin(t *testing.T) {
t.Parallel()
basedir := t.TempDir()
const remoteURL = "https://github.com/owner/repo.git"
require.NoError(t, gitCmd("init", "--object-format=sha256", "--initial-branch=main", basedir))
require.NoError(t, os.RemoveAll(filepath.Join(basedir, ".git", "hooks")))
require.NoError(t, gitCmd("init", "--template=", "--object-format=sha256", "--initial-branch=main", basedir))
require.NoError(t, gitCmd("-C", basedir, "commit", "--allow-empty", "-m", "init"))
require.NoError(t, gitCmd("-C", basedir, "remote", "add", "origin", remoteURL))
require.NoError(t, gitCmd("-C", basedir, "config", "--add", "remote.origin.url", "https://github.com/other/repo.git"))
@@ -205,16 +204,13 @@ func TestGitCloneExecutor(t *testing.T) {
require.NoError(t, gitCmd("-C", workDir, "add", "action.sh", ".gitattributes"))
require.NoError(t, gitCmd("-C", workDir, "commit", "-m", "initial"))
require.NoError(t, gitCmd("-C", workDir, "tag", "v2"))
require.NoError(t, gitCmd("-C", workDir, "push", "-u", "origin", "main"))
require.NoError(t, gitCmd("-C", workDir, "push", "origin", "v2"))
require.NoError(t, gitCmd("-C", workDir, "checkout", "-b", "act-fails"))
require.NoError(t, gitCmd("-C", workDir, "commit", "--allow-empty", "-m", "branch-commit"))
require.NoError(t, gitCmd("-C", workDir, "push", "origin", "act-fails"))
fullSha := gitRevParse(t, workDir, "main")
require.NoError(t, gitCmd("-C", workDir, "push", "origin", "main:refs/heads/"+fullSha[:4]))
require.NoError(t, gitCmd("-C", workDir, "push", "-u", "origin", "main", "v2", "act-fails", "main:refs/heads/"+fullSha[:4]))
hostConfig := filepath.Join(t.TempDir(), "gitconfig")
require.NoError(t, os.WriteFile(hostConfig, []byte("[core]\n\tautocrlf = true\n\teol = crlf\n[url "+strconv.Quote(remoteDir)+"]\n\tinsteadOf = https://example.invalid/action\n"), 0o644))
@@ -282,10 +278,10 @@ func TestGitCloneExecutor(t *testing.T) {
func TestGitCloneExecutorReclonesWhenOriginURLChanges(t *testing.T) {
t.Parallel()
createRemote := func(message string) string {
remoteDir, workDir := newGitRemote(t, message)
require.NoError(t, gitCmd("-C", workDir, "push", "-u", "origin", "main"))
return remoteDir
dir := t.TempDir()
require.NoError(t, os.CopyFS(dir, os.DirFS(filepath.Join(gitFixtureDir, "work"))))
require.NoError(t, gitCmd("-C", dir, "commit", "--allow-empty", "-m", message))
return dir
}
oldRemoteDir := createRemote("old-action")
@@ -405,31 +401,30 @@ func TestGitCloneExecutorShallow(t *testing.T) {
remoteDir, workDir := newGitRemote(t, "c1", "c2", "c3")
require.NoError(t, gitCmd("-C", workDir, "tag", "v1"))
unadvertisedSHA := gitRevParse(t, workDir, "HEAD~1")
require.NoError(t, gitCmd("-C", workDir, "push", "-u", "origin", "main"))
require.NoError(t, gitCmd("-C", workDir, "push", "origin", "v1"))
require.NoError(t, gitCmd("-C", workDir, "push", "-u", "origin", "main", "v1"))
shallowMarker := func(dir string) string { return filepath.Join(dir, ".git", "shallow") }
for name, ref := range map[string]string{"branch is cloned shallowly": "main", "tag is cloned shallowly": "v1"} {
t.Run(name, func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
require.NoError(t, NewGitCloneExecutor(NewGitCloneExecutorInput{
URL: remoteDir, Ref: ref, Dir: dir, Depth: 1,
})(t.Context()))
assert.FileExists(t, shallowMarker(dir), "clone should be shallow")
assert.Equal(t, 1, gitRevCount(t, dir), "only the tip commit should be present")
assert.Equal(t, "c3", gitHeadSubject(t, dir))
assert.Equal(t, []string{"c3"}, gitSubjects(t, dir), "only the tip commit should be present")
})
}
unadvertisedRemote := func(t *testing.T, allowUnadvertised bool) string {
remote := filepath.Join(t.TempDir(), "remote.git")
require.NoError(t, gitCmd("clone", "--bare", remoteDir, remote))
require.NoError(t, gitCmd("-C", remote, "config", "uploadpack.allowAnySHA1InWant", strconv.FormatBool(allowUnadvertised)))
require.NoError(t, gitCmd("clone", "--bare", "--template=", "--config", "uploadpack.allowAnySHA1InWant="+strconv.FormatBool(allowUnadvertised), remoteDir, remote))
return remote
}
t.Run("commit hash resolves when the remote accepts a direct shallow fetch", func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
require.NoError(t, NewGitCloneExecutor(NewGitCloneExecutorInput{
URL: unadvertisedRemote(t, false), Ref: unadvertisedSHA, Dir: dir, Depth: 1,
@@ -438,6 +433,7 @@ func TestGitCloneExecutorShallow(t *testing.T) {
})
t.Run("commit hash is fetched shallowly, moved to another hash, then reused without reaching the remote", func(t *testing.T) {
t.Parallel()
remote := unadvertisedRemote(t, true)
dir := t.TempDir()
cloneAt := func(ref string) error {
@@ -448,7 +444,7 @@ func TestGitCloneExecutorShallow(t *testing.T) {
require.NoError(t, cloneAt(unadvertisedSHA))
assert.FileExists(t, shallowMarker(dir))
assert.Equal(t, 1, gitRevCount(t, dir))
assert.Len(t, gitSubjects(t, dir), 1)
assert.Equal(t, unadvertisedSHA, gitRevParse(t, dir, "HEAD"))
olderSHA := gitRevParse(t, workDir, "HEAD~2")
@@ -461,6 +457,8 @@ func TestGitCloneExecutorShallow(t *testing.T) {
})
t.Run("moving hexadecimal-named branch updates while staying shallow", func(t *testing.T) {
t.Parallel()
remoteDir, workDir := newGitRemote(t, "c2", "c3")
require.NoError(t, gitCmd("-C", workDir, "push", "origin", "main:deadbeef"))
dir := t.TempDir()
clone := NewGitCloneExecutor(NewGitCloneExecutorInput{
@@ -473,19 +471,17 @@ func TestGitCloneExecutorShallow(t *testing.T) {
require.NoError(t, gitCmd("-C", workDir, "push", "origin", "main:deadbeef"))
require.NoError(t, clone(t.Context()))
assert.Equal(t, "c4", gitHeadSubject(t, dir), "reused shallow clone should update to the new tip")
assert.Equal(t, []string{"c4"}, gitSubjects(t, dir), "reused shallow clone should update to the new tip")
assert.FileExists(t, shallowMarker(dir), "repo should remain shallow after update")
assert.Equal(t, 1, gitRevCount(t, dir))
})
t.Run("sha256 full hash is cloned shallowly, reused without the remote, and its 40-character prefix is short", func(t *testing.T) {
t.Parallel()
remote := filepath.Join(t.TempDir(), "remote.git")
require.NoError(t, gitCmd("init", "--bare", "--object-format=sha256", "--initial-branch=main", remote))
work := t.TempDir()
require.NoError(t, gitCmd("init", "--object-format=sha256", "--initial-branch=main", work))
require.NoError(t, gitCmd("-C", work, "remote", "add", "origin", remote))
require.NoError(t, gitCmd("init", "--template=", "--object-format=sha256", "--initial-branch=main", work))
require.NoError(t, gitCmd("-C", work, "commit", "--allow-empty", "-m", "pinned"))
require.NoError(t, gitCmd("-C", work, "push", "origin", "main"))
require.NoError(t, gitCmd("clone", "--bare", "--template=", work, remote))
sha := gitRevParse(t, work, "HEAD")
dir := t.TempDir()
clone := NewGitCloneExecutor(NewGitCloneExecutorInput{URL: remote, Ref: sha, Dir: dir, Depth: 1})
@@ -504,11 +500,11 @@ func TestGitCloneExecutorPinnedHashIgnoresShadowingRef(t *testing.T) {
pinned := gitRevParse(t, workDir, "HEAD")
require.NoError(t, gitCmd("-C", workDir, "commit", "--allow-empty", "-m", "decoy"))
require.NoError(t, gitCmd("-C", workDir, "tag", pinned))
require.NoError(t, gitCmd("-C", workDir, "push", "-u", "origin", "main"))
require.NoError(t, gitCmd("-C", workDir, "push", "origin", pinned))
require.NoError(t, gitCmd("-C", workDir, "push", "-u", "origin", "main", pinned))
for name, depth := range map[string]int{"shallow": 1, "full clone": 0} {
t.Run(name, func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
require.NoError(t, NewGitCloneExecutor(NewGitCloneExecutorInput{
URL: remoteDir, Ref: pinned, Dir: dir, Depth: depth,
@@ -540,13 +536,11 @@ func gitRevParse(t *testing.T, dir, rev string) string {
return strings.TrimSpace(string(out))
}
func gitRevCount(t *testing.T, dir string) int {
func gitSubjects(t *testing.T, dir string) []string {
t.Helper()
out, err := exec.Command("git", "-C", dir, "rev-list", "--count", "HEAD").Output()
out, err := exec.Command("git", "-C", dir, "log", "--format=%s").Output()
require.NoError(t, err)
n, err := strconv.Atoi(strings.TrimSpace(string(out)))
require.NoError(t, err)
return n
return strings.Split(strings.TrimSpace(string(out)), "\n")
}
func gitHeadSubject(t *testing.T, dir string) string {
@@ -680,7 +674,7 @@ func TestNewGitCloneExecutorFetchSendsTokenAndHonoursContext(t *testing.T) {
})
dir := filepath.Join(t.TempDir(), "cached-action")
require.NoError(t, gitCmd("init", dir))
require.NoError(t, os.CopyFS(dir, os.DirFS(filepath.Join(gitFixtureDir, "work"))))
require.NoError(t, gitCmd("-C", dir, "remote", "add", "origin", server.URL))
ctx, cancel := context.WithCancel(t.Context())