Function testBuildOutputArchive

build_test.go:207–234

(otype string, t *testing.T)

}

func testBuildOutputArchive(otype string, t *testing.T) {

	tmpd, err := ioutil.TempDir("", "img-buildoutput"+otype)
	if err != nil {
		t.Fatalf("creating temporary directory for build output failed: %v", err)
	}
	defer os.RemoveAll(tmpd)
	archive := filepath.Join(tmpd, "output.tar")

	args := []string{"build", "-", "-o", fmt.Sprintf("type=%s,dest=%s", otype, archive)}
	_, err = doRun(args, withDockerfile(`
	FROM busybox
	`))
	if err != nil {
		t.Fatalf("img %v failed unexpectedly: %v", args, err)
	}

	// Make sure the output is a valid tar archive.
	f, err := os.Open(archive)
	if err != nil {
		t.Fatalf("could not open output archive at %q: %s", archive, err)
	}
	defer f.Close()
	tr := tar.NewReader(f)
	if _, err = tr.Next(); err != nil {
		t.Fatalf("could not read first item in %s archive: %s", otype, err)
	}
}

func TestBuildOutputTar(t *testing.T) {
	testBuildOutputArchive("tar", t)