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package get
import (
"errors"
"io/ioutil"
"os"
"path/filepath"
"regexp"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func tmpdir(t *testing.T) string {
t.Helper()
dir, err := ioutil.TempDir("", t.Name())
require.NoError(t, err, "Could not create tmpdir")
t.Cleanup(func() {
_ = os.RemoveAll(dir)
})
return dir
}
func setupDir(t *testing.T) string {
t.Helper()
// force the tests to run in an empty working directory
// because otherwise the working directory will be the `go-get` local
// repo path, which is itself a git command, so commands that don't
// properly chdir could inadvertently run against this repo
fakeWd := tmpdir(t)
cwd, err := os.Getwd()
require.NoError(t, err, "Could not get cwd")
require.NoError(t, os.Chdir(fakeWd), "Could not change cwd")
t.Cleanup(func() {
if err := os.Chdir(cwd); err != nil {
t.Errorf("failed to restore current working directory: %v", err)
}
})
return tmpdir(t)
}
func TestGet(t *testing.T) {
dir := setupDir(t)
downloader := NewDownloader(dir)
path, err := downloader.Download("github.com/tilt-dev/tilt-extensions/hello_world")
require.NoError(t, err)
tiltfile, err := ioutil.ReadFile(filepath.Join(path, "Tiltfile"))
require.NoError(t, err)
assert.Contains(t, string(tiltfile), `print("Hello world!")`)
path, err = downloader.Download("gitlab.com/nicks6/tilt-extension-experiment")
require.NoError(t, err)
tiltfile, err = ioutil.ReadFile(filepath.Join(path, "tilt_extension", "Tiltfile"))
require.NoError(t, err)
assert.Contains(t, string(tiltfile), `def dotnet_build(ref,context = ".", version = "latest"):`)
assert.Contains(t, string(tiltfile), `def vue_build(ref,context = ".", version = "latest"):`)
}
func TestDestinationPath(t *testing.T) {
dir := setupDir(t)
downloader := NewDownloader(dir)
result := downloader.DestinationPath("github.com/tilt-dev/tilt-extensions/hello_world")
assert.True(t, strings.HasSuffix(result, filepath.Join("github.com", "tilt-dev", "tilt-extensions", "hello_world")))
result = downloader.DestinationPath("gitlab.com/nicks6/tilt-extension-experiment")
assert.True(t, strings.HasSuffix(result, filepath.Join("gitlab.com", "nicks6", "tilt-extension-experiment")))
}
func TestTagSync(t *testing.T) {
dir := setupDir(t)
dlr := NewDownloader(dir)
result, err := dlr.Download("github.com/tilt-dev/tilt-extensions")
require.NoError(t, err)
err = dlr.RefSync("github.com/tilt-dev/tilt-extensions",
"5670e8d8c5925981d019e6065a30058fc50eb299") // initial commit
require.NoError(t, err)
contents, err := ioutil.ReadFile(filepath.Join(result, "README.md"))
require.NoError(t, err)
assert.Equal(t, "# tilt-extensions", string(contents))
result, err = dlr.Download("gitlab.com/nicks6/tilt-extension-experiment")
require.NoError(t, err)
err = dlr.RefSync("gitlab.com/nicks6/tilt-extension-experiment",
"93df1cfd37237550d0e10b2384a45a889200c1ef")
require.NoError(t, err)
contents, err = ioutil.ReadFile(filepath.Join(result, "README.md"))
require.NoError(t, err)
assert.Contains(t, string(contents), "# tilt-extension-experiment")
}
func TestVersionTagSync(t *testing.T) {
dir := setupDir(t)
dlr := NewDownloader(dir)
result, err := dlr.Download("github.com/tilt-dev/tilt-extensions")
require.NoError(t, err)
err = dlr.RefSync("github.com/tilt-dev/tilt-extensions", "v0.25.0")
require.NoError(t, err)
contents, err := ioutil.ReadFile(filepath.Join(result, "README.md"))
require.NoError(t, err)
assert.True(t, strings.HasPrefix(string(contents), "# Tilt Extensions"))
result, err = dlr.Download("gitlab.com/brshore/tilt-extension-experiment")
require.NoError(t, err)
err = dlr.RefSync("gitlab.com/brshore/tilt-extension-experiment", "v0.0.1")
require.NoError(t, err)
contents, err = ioutil.ReadFile(filepath.Join(result, "README.md"))
require.NoError(t, err)
assert.True(t, strings.HasPrefix(string(contents), "# tilt-extension-experiment"))
}
func TestHeadRef(t *testing.T) {
dir := setupDir(t)
downloader := NewDownloader(dir)
_, err := downloader.HeadRef("github.com/tilt-dev/tilt-extensions/hello_world")
if assert.Error(t, err) {
var pathErr *os.PathError // use *os.PathError type, error string differs between OS
assert.True(t, errors.As(err, &pathErr))
}
_, err = downloader.Download("github.com/tilt-dev/tilt-extensions/hello_world")
require.NoError(t, err)
ref, err := downloader.HeadRef("github.com/tilt-dev/tilt-extensions/hello_world")
require.NoError(t, err)
assert.True(t, regexp.MustCompile("^[0-9a-f]{40}$").MatchString(ref))
_, err = downloader.Download("gitlab.com/nicks6/tilt-extension-experiment")
require.NoError(t, err)
ref, err = downloader.HeadRef("gitlab.com/nicks6/tilt-extension-experiment")
require.NoError(t, err)
assert.True(t, regexp.MustCompile("^[0-9a-f]{40}$").MatchString(ref))
}
func TestGetCached(t *testing.T) {
dir := setupDir(t)
downloader := NewDownloader(dir)
path, err := downloader.Download("github.com/tilt-dev/tilt-extensions/hello_world")
require.NoError(t, err)
err = ioutil.WriteFile(filepath.Join(path, "Tiltfile"), []byte(`print("Goodbye world!")`), os.FileMode(0644))
require.NoError(t, err)
// Make sure that running a second downloader doesn't overwrite.
//
// TODO(nick): Do we need a mechanism to force an update? Or should that be up
// to the app to delete the cached download?
downloader2 := NewDownloader(dir)
path2, err := downloader2.Download("github.com/tilt-dev/tilt-extensions/hello_world")
require.NoError(t, err)
tiltfile, err := ioutil.ReadFile(filepath.Join(path2, "Tiltfile"))
require.NoError(t, err)
assert.Contains(t, string(tiltfile), `print("Goodbye world!")`)
path, err = downloader.Download("gitlab.com/nicks6/tilt-extension-experiment")
require.NoError(t, err)
err = ioutil.WriteFile(filepath.Join(path, "tilt_extension", "Tiltfile"), []byte(`print("Goodbye world!")`), os.FileMode(0644))
require.NoError(t, err)
path2, err = downloader2.Download("gitlab.com/nicks6/tilt-extension-experiment")
require.NoError(t, err)
tiltfile, err = ioutil.ReadFile(filepath.Join(path2, "tilt_extension", "Tiltfile"))
require.NoError(t, err)
assert.Contains(t, string(tiltfile), `print("Goodbye world!")`)
}