| package rbe |
| |
| import ( |
| "context" |
| "io/ioutil" |
| "os" |
| "path" |
| "path/filepath" |
| "strings" |
| "testing" |
| |
| "github.com/stretchr/testify/require" |
| "go.skia.org/infra/go/deepequal/assertdeep" |
| "go.skia.org/infra/go/testutils" |
| "go.skia.org/infra/go/testutils/unittest" |
| "golang.org/x/oauth2/google" |
| "google.golang.org/api/compute/v1" |
| ) |
| |
| // TODO(borenet): Is there a better test instance we could be using? |
| const testInstance = "projects/chromium-swarm-dev/instances/default_instance" |
| |
| // setup creates and returns a Client instance |
| func setup(t *testing.T) (context.Context, *Client) { |
| unittest.ManualTest(t) |
| unittest.LargeTest(t) |
| |
| ctx := context.Background() |
| ts, err := google.DefaultTokenSource(ctx, compute.CloudPlatformScope) |
| require.NoError(t, err) |
| client, err := NewClient(ctx, testInstance, ts) |
| require.NoError(t, err) |
| return ctx, client |
| } |
| |
| type node struct { |
| name string |
| size int64 |
| isDir bool |
| isExecutable bool |
| contents []byte |
| } |
| |
| // readTree reads the directory tree rooted in the given location and creates |
| // an object to represent it. |
| func readTree(t *testing.T, dir string) map[string]*node { |
| tree := map[string]*node{} |
| err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error { |
| // Skip the root itself. |
| if path == dir { |
| return nil |
| } |
| n := &node{ |
| name: info.Name(), |
| size: info.Size(), |
| isDir: info.IsDir(), |
| isExecutable: info.Mode()&0111 != 0, |
| } |
| if !info.IsDir() { |
| contents, err := ioutil.ReadFile(path) |
| if err != nil { |
| return err |
| } |
| n.contents = contents |
| } |
| tree[strings.Replace(path, dir, ".", -1)] = n |
| return nil |
| }) |
| require.NoError(t, err) |
| return tree |
| } |
| |
| // AssertTreesEqual asserts that the directory trees rooted in the given |
| // locations have exactly the same contents. |
| func AssertTreesEqual(t *testing.T, a, b string) { |
| treeA := readTree(t, a) |
| treeB := readTree(t, b) |
| assertdeep.Equal(t, treeA, treeB) |
| } |
| |
| // testUploadDownload creates a temporary directory, runs the given function |
| // which adds files and directories, then uploads and downloads, asserting that |
| // the resulting directory is identical. |
| func testUploadDownload(ctx context.Context, t *testing.T, client *Client, work func(string)) { |
| wd, err := ioutil.TempDir("", "") |
| require.NoError(t, err) |
| defer testutils.RemoveAll(t, wd) |
| work(wd) |
| digest, err := client.Upload(ctx, wd, []string{"."}, nil) |
| require.NoError(t, err) |
| dest, err := ioutil.TempDir("", "") |
| require.NoError(t, err) |
| defer testutils.RemoveAll(t, dest) |
| require.NoError(t, client.Download(ctx, dest, digest)) |
| AssertTreesEqual(t, wd, dest) |
| } |
| |
| func d(t *testing.T, wd, name string) { |
| require.NoError(t, os.MkdirAll(filepath.Join(wd, name), os.ModePerm)) |
| } |
| |
| func f(t *testing.T, wd, name, contents string, executable bool) { |
| dir := path.Dir(name) |
| if dir != "" { |
| d(t, wd, dir) |
| } |
| mode := os.FileMode(0644) |
| if executable { |
| mode |= 0111 |
| } |
| require.NoError(t, ioutil.WriteFile(filepath.Join(wd, name), []byte(contents), mode)) |
| } |
| |
| func TestUploadDownload(t *testing.T) { |
| ctx, client := setup(t) |
| |
| // Empty tree. |
| testUploadDownload(ctx, t, client, func(wd string) {}) |
| |
| // Single file. |
| testUploadDownload(ctx, t, client, func(wd string) { |
| f(t, wd, "fake", "fakecontents", false) |
| }) |
| |
| // Executable file. |
| testUploadDownload(ctx, t, client, func(wd string) { |
| f(t, wd, "fake", "fakecontents", true) |
| }) |
| |
| // Empty directory. |
| testUploadDownload(ctx, t, client, func(wd string) { |
| d(t, wd, "emptydir") |
| }) |
| |
| // Deeply nested file. |
| testUploadDownload(ctx, t, client, func(wd string) { |
| f(t, wd, "a/b/c/d/fake", "fakecontents", false) |
| }) |
| |
| // Deeply nested dir. |
| testUploadDownload(ctx, t, client, func(wd string) { |
| d(t, wd, "a/b/c/d/dir") |
| }) |
| |
| // Multiple files and dirs |
| testUploadDownload(ctx, t, client, func(wd string) { |
| f(t, wd, "file1", "file1contents", false) |
| f(t, wd, "file2", "file2contents", true) |
| d(t, wd, "subdir") |
| f(t, wd, "subdir/fake", "fakecontents", false) |
| f(t, wd, "subdir/fake2", "fakecontents2", false) |
| }) |
| } |
| |
| func TestMerge(t *testing.T) { |
| ctx, client := setup(t) |
| |
| // upload is a helper function for creating and uploading a directory tree. |
| upload := func(work func(string)) (string, map[string]*node) { |
| wd, err := ioutil.TempDir("", "") |
| require.NoError(t, err) |
| defer testutils.RemoveAll(t, wd) |
| work(wd) |
| digest, err := client.Upload(ctx, wd, []string{"."}, nil) |
| require.NoError(t, err) |
| return digest, readTree(t, wd) |
| } |
| |
| // Create the two entries to merge. |
| digest1, tree1 := upload(func(wd string) { |
| f(t, wd, "fake", "fakecontents", false) |
| f(t, wd, "duplicated", "duplicatedcontents", true) |
| d(t, wd, "subdir") |
| f(t, wd, "subdir/subfile", "subfilecontents", false) |
| d(t, wd, "missing-from-tree2") |
| f(t, wd, "missing-from-tree2/somefile", "missing-from-tree2 contents", false) |
| }) |
| digest2, tree2 := upload(func(wd string) { |
| f(t, wd, "otherfile", "blahblah", true) |
| f(t, wd, "duplicated", "duplicatedcontents", true) |
| d(t, wd, "subdir") |
| f(t, wd, "subdir/subfile2", "subfilecontents2", false) |
| d(t, wd, "missing-from-tree1") |
| f(t, wd, "missing-from-tree1/somefile", "missing-from-tree1 contents", false) |
| }) |
| |
| // Merge the digests. |
| mergeDigest, err := client.Merge(ctx, []string{digest1, digest2}) |
| require.NoError(t, err) |
| wd, err := ioutil.TempDir("", "") |
| require.NoError(t, err) |
| defer testutils.RemoveAll(t, wd) |
| require.NoError(t, client.Download(ctx, wd, mergeDigest)) |
| mergeTree := readTree(t, wd) |
| |
| // Ensure that each of the digests is present in the merged version. Ensure |
| // that the merged tree is the same as the result of merging the two |
| // individual trees. |
| expectMergeTree := map[string]*node{} |
| for k, v1 := range tree1 { |
| v2, ok := mergeTree[k] |
| require.True(t, ok) |
| assertdeep.Equal(t, v1, v2) |
| expectMergeTree[k] = v1 |
| } |
| for k, v1 := range tree2 { |
| v2, ok := mergeTree[k] |
| require.True(t, ok) |
| assertdeep.Equal(t, v1, v2) |
| expectMergeTree[k] = v1 |
| } |
| assertdeep.Equal(t, expectMergeTree, mergeTree) |
| } |
| |
| func TestUpload_Exclude(t *testing.T) { |
| ctx, client := setup(t) |
| |
| wd, err := ioutil.TempDir("", "") |
| require.NoError(t, err) |
| defer testutils.RemoveAll(t, wd) |
| |
| f(t, wd, "keepme", "blahblah", false) |
| f(t, wd, "skipme", "abcdef", false) |
| |
| digest, err := client.Upload(ctx, wd, []string{"."}, []string{".*ipm.*"}) |
| require.NoError(t, err) |
| dest, err := ioutil.TempDir("", "") |
| require.NoError(t, err) |
| defer testutils.RemoveAll(t, dest) |
| require.NoError(t, client.Download(ctx, dest, digest)) |
| |
| // Remove the skipped file and verify that the trees are equal. |
| require.NoError(t, os.Remove(filepath.Join(wd, "skipme"))) |
| AssertTreesEqual(t, wd, dest) |
| |
| // Exclude ".git" |
| d(t, wd, ".git") |
| f(t, wd, ".git/objects", "blahblah", false) |
| // Make sure we don't accidentally exclude similar file names. |
| f(t, wd, "agit", "ldsfklasdfkl", false) |
| f(t, wd, ".gitignore", "ldsfklasdfkl", false) |
| f(t, wd, "fake.git", "blahblah", false) |
| digest, err = client.Upload(ctx, wd, []string{"."}, []string{".*ipm.*", ExcludeGitDir}) |
| require.NoError(t, err) |
| dest, err = ioutil.TempDir("", "") |
| require.NoError(t, err) |
| defer testutils.RemoveAll(t, dest) |
| require.NoError(t, client.Download(ctx, dest, digest)) |
| |
| // Remove the skipped file and verify that the trees are equal. |
| require.NoError(t, os.RemoveAll(filepath.Join(wd, ".git"))) |
| AssertTreesEqual(t, wd, dest) |
| } |
