builder: modernize TestCheckoutGit
Make the test more debuggable by logging all git command output and running each table-driven test case as a subtest. Signed-off-by: Cory Snider <csnider@mirantis.com>
This commit is contained in:
Cory Snider
parent
4a96094bf5
commit
3bc8fccc1b
1 changed files with 54 additions and 85 deletions
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@ -170,9 +170,7 @@ func gitGetConfig(name string) string {
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}
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func TestCheckoutGit(t *testing.T) {
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root, err := os.MkdirTemp("", "docker-build-git-checkout")
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assert.NilError(t, err)
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defer os.RemoveAll(root)
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root := t.TempDir()
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autocrlf := gitGetConfig("core.autocrlf")
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if !(autocrlf == "true" || autocrlf == "false" ||
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@ -184,88 +182,57 @@ func TestCheckoutGit(t *testing.T) {
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eol = "\r\n"
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}
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must := func(out []byte, err error) {
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t.Helper()
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if len(out) > 0 {
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t.Logf("%s", out)
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}
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assert.NilError(t, err)
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}
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gitDir := filepath.Join(root, "repo")
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_, err = git("init", gitDir)
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assert.NilError(t, err)
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_, err = gitWithinDir(gitDir, "config", "user.email", "test@docker.com")
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assert.NilError(t, err)
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_, err = gitWithinDir(gitDir, "config", "user.name", "Docker test")
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assert.NilError(t, err)
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err = os.WriteFile(filepath.Join(gitDir, "Dockerfile"), []byte("FROM scratch"), 0644)
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assert.NilError(t, err)
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must(git("-c", "init.defaultBranch=master", "init", gitDir))
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must(gitWithinDir(gitDir, "config", "user.email", "test@docker.com"))
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must(gitWithinDir(gitDir, "config", "user.name", "Docker test"))
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assert.NilError(t, os.WriteFile(filepath.Join(gitDir, "Dockerfile"), []byte("FROM scratch"), 0644))
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subDir := filepath.Join(gitDir, "subdir")
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assert.NilError(t, os.Mkdir(subDir, 0755))
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err = os.WriteFile(filepath.Join(subDir, "Dockerfile"), []byte("FROM scratch\nEXPOSE 5000"), 0644)
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assert.NilError(t, err)
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assert.NilError(t, os.WriteFile(filepath.Join(subDir, "Dockerfile"), []byte("FROM scratch\nEXPOSE 5000"), 0644))
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if runtime.GOOS != "windows" {
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if err = os.Symlink("../subdir", filepath.Join(gitDir, "parentlink")); err != nil {
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t.Fatal(err)
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}
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if err = os.Symlink("/subdir", filepath.Join(gitDir, "absolutelink")); err != nil {
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t.Fatal(err)
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}
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assert.NilError(t, os.Symlink("../subdir", filepath.Join(gitDir, "parentlink")))
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assert.NilError(t, os.Symlink("/subdir", filepath.Join(gitDir, "absolutelink")))
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}
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_, err = gitWithinDir(gitDir, "add", "-A")
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assert.NilError(t, err)
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must(gitWithinDir(gitDir, "add", "-A"))
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must(gitWithinDir(gitDir, "commit", "-am", "First commit"))
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must(gitWithinDir(gitDir, "checkout", "-b", "test"))
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_, err = gitWithinDir(gitDir, "commit", "-am", "First commit")
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assert.NilError(t, err)
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assert.NilError(t, os.WriteFile(filepath.Join(gitDir, "Dockerfile"), []byte("FROM scratch\nEXPOSE 3000"), 0644))
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assert.NilError(t, os.WriteFile(filepath.Join(subDir, "Dockerfile"), []byte("FROM busybox\nEXPOSE 5000"), 0644))
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_, err = gitWithinDir(gitDir, "checkout", "-b", "test")
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assert.NilError(t, err)
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err = os.WriteFile(filepath.Join(gitDir, "Dockerfile"), []byte("FROM scratch\nEXPOSE 3000"), 0644)
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assert.NilError(t, err)
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err = os.WriteFile(filepath.Join(subDir, "Dockerfile"), []byte("FROM busybox\nEXPOSE 5000"), 0644)
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assert.NilError(t, err)
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_, err = gitWithinDir(gitDir, "add", "-A")
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assert.NilError(t, err)
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_, err = gitWithinDir(gitDir, "commit", "-am", "Branch commit")
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assert.NilError(t, err)
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_, err = gitWithinDir(gitDir, "checkout", "master")
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assert.NilError(t, err)
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must(gitWithinDir(gitDir, "add", "-A"))
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must(gitWithinDir(gitDir, "commit", "-am", "Branch commit"))
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must(gitWithinDir(gitDir, "checkout", "master"))
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// set up submodule
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subrepoDir := filepath.Join(root, "subrepo")
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_, err = git("init", subrepoDir)
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assert.NilError(t, err)
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must(git("-c", "init.defaultBranch=master", "init", subrepoDir))
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must(gitWithinDir(subrepoDir, "config", "user.email", "test@docker.com"))
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must(gitWithinDir(subrepoDir, "config", "user.name", "Docker test"))
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_, err = gitWithinDir(subrepoDir, "config", "user.email", "test@docker.com")
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assert.NilError(t, err)
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assert.NilError(t, os.WriteFile(filepath.Join(subrepoDir, "subfile"), []byte("subcontents"), 0644))
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_, err = gitWithinDir(subrepoDir, "config", "user.name", "Docker test")
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assert.NilError(t, err)
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err = os.WriteFile(filepath.Join(subrepoDir, "subfile"), []byte("subcontents"), 0644)
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assert.NilError(t, err)
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_, err = gitWithinDir(subrepoDir, "add", "-A")
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assert.NilError(t, err)
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_, err = gitWithinDir(subrepoDir, "commit", "-am", "Subrepo initial")
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assert.NilError(t, err)
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must(gitWithinDir(subrepoDir, "add", "-A"))
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must(gitWithinDir(subrepoDir, "commit", "-am", "Subrepo initial"))
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cmd := exec.Command("git", "submodule", "add", subrepoDir, "sub") // this command doesn't work with --work-tree
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cmd.Dir = gitDir
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assert.NilError(t, cmd.Run())
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must(cmd.CombinedOutput())
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_, err = gitWithinDir(gitDir, "add", "-A")
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assert.NilError(t, err)
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_, err = gitWithinDir(gitDir, "commit", "-am", "With submodule")
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assert.NilError(t, err)
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must(gitWithinDir(gitDir, "add", "-A"))
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must(gitWithinDir(gitDir, "commit", "-am", "With submodule"))
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type singleCase struct {
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frag string
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@ -299,28 +266,30 @@ func TestCheckoutGit(t *testing.T) {
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}
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for _, c := range cases {
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ref, subdir := getRefAndSubdir(c.frag)
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r, err := cloneGitRepo(gitRepo{remote: gitDir, ref: ref, subdir: subdir})
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t.Run(c.frag, func(t *testing.T) {
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ref, subdir := getRefAndSubdir(c.frag)
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r, err := cloneGitRepo(gitRepo{remote: gitDir, ref: ref, subdir: subdir})
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if c.fail {
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assert.Check(t, is.ErrorContains(err, ""))
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continue
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}
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assert.NilError(t, err)
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defer os.RemoveAll(r)
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if c.submodule {
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b, err := os.ReadFile(filepath.Join(r, "sub/subfile"))
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if c.fail {
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assert.Check(t, is.ErrorContains(err, ""))
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return
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}
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assert.NilError(t, err)
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assert.Check(t, is.Equal("subcontents", string(b)))
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} else {
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_, err := os.Stat(filepath.Join(r, "sub/subfile"))
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assert.Assert(t, is.ErrorContains(err, ""))
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assert.Assert(t, os.IsNotExist(err))
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}
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defer os.RemoveAll(r)
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if c.submodule {
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b, err := os.ReadFile(filepath.Join(r, "sub/subfile"))
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assert.NilError(t, err)
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assert.Check(t, is.Equal("subcontents", string(b)))
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} else {
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_, err := os.Stat(filepath.Join(r, "sub/subfile"))
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assert.Assert(t, is.ErrorContains(err, ""))
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assert.Assert(t, os.IsNotExist(err))
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}
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b, err := os.ReadFile(filepath.Join(r, "Dockerfile"))
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assert.NilError(t, err)
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assert.Check(t, is.Equal(c.exp, string(b)))
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b, err := os.ReadFile(filepath.Join(r, "Dockerfile"))
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assert.NilError(t, err)
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assert.Check(t, is.Equal(c.exp, string(b)))
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})
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}
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}
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