| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package vision |
| |
| import ( |
| "log" |
| "os" |
| "testing" |
| |
| "cloud.google.com/go/internal/testutil" |
| "golang.org/x/net/context" |
| "google.golang.org/api/option" |
| ) |
| |
| func TestAnnotate(t *testing.T) { |
| ctx := context.Background() |
| client := integrationTestClient(ctx, t) |
| defer client.Close() |
| |
| tests := []struct { |
| path string // path to image file, relative to testdata |
| // If one of these is true, we expect that annotation to be non-nil. |
| faces, landmarks, logos, labels, texts bool |
| // We always expect safe search and image properties to be present. |
| }{ |
| {path: "face.jpg", faces: true, labels: true}, |
| {path: "cat.jpg", labels: true}, |
| {path: "faulkner.jpg", labels: true}, |
| {path: "mountain.jpg", texts: true, labels: true}, |
| {path: "no-text.jpg", labels: true}, |
| {path: "eiffel-tower.jpg", landmarks: true, labels: true}, |
| {path: "google.png", logos: true, labels: true, texts: true}, |
| } |
| for _, test := range tests { |
| annsSlice, err := client.Annotate(ctx, &AnnotateRequest{ |
| Image: testImage(test.path), |
| MaxFaces: 1, |
| MaxLandmarks: 1, |
| MaxLogos: 1, |
| MaxLabels: 1, |
| MaxTexts: 1, |
| SafeSearch: true, |
| ImageProps: true, |
| }) |
| if err != nil { |
| t.Fatalf("annotating %s: %v", test.path, err) |
| } |
| anns := annsSlice[0] |
| p := map[bool]string{true: "present", false: "absent"} |
| if got, want := (anns.Faces != nil), test.faces; got != want { |
| t.Errorf("%s: faces %s, want %s", test.path, p[got], p[want]) |
| } |
| if got, want := (anns.Landmarks != nil), test.landmarks; got != want { |
| t.Errorf("%s: landmarks %s, want %s", test.path, p[got], p[want]) |
| } |
| if got, want := (anns.Logos != nil), test.logos; got != want { |
| t.Errorf("%s: logos %s, want %s", test.path, p[got], p[want]) |
| } |
| if got, want := (anns.Labels != nil), test.labels; got != want { |
| t.Errorf("%s: labels %s, want %s", test.path, p[got], p[want]) |
| } |
| if got, want := (anns.Texts != nil), test.texts; got != want { |
| t.Errorf("%s: texts %s, want %s", test.path, p[got], p[want]) |
| } |
| if got, want := (anns.SafeSearch != nil), true; got != want { |
| t.Errorf("%s: safe search %s, want %s", test.path, p[got], p[want]) |
| } |
| if got, want := (anns.ImageProps != nil), true; got != want { |
| t.Errorf("%s: image properties %s, want %s", test.path, p[got], p[want]) |
| } |
| if anns.Error != nil { |
| t.Errorf("%s: got Error %v; want nil", test.path, anns.Error) |
| } |
| } |
| } |
| |
| func TestDetectMethods(t *testing.T) { |
| ctx := context.Background() |
| client := integrationTestClient(ctx, t) |
| defer client.Close() |
| |
| for i, test := range []struct { |
| path string |
| call func(*Image) (bool, error) |
| }{ |
| {"face.jpg", |
| func(img *Image) (bool, error) { |
| as, err := client.DetectFaces(ctx, img, 1) |
| return as != nil, err |
| }, |
| }, |
| {"eiffel-tower.jpg", |
| func(img *Image) (bool, error) { |
| as, err := client.DetectLandmarks(ctx, img, 1) |
| return as != nil, err |
| }, |
| }, |
| {"google.png", |
| func(img *Image) (bool, error) { |
| as, err := client.DetectLogos(ctx, img, 1) |
| return as != nil, err |
| }, |
| }, |
| {"faulkner.jpg", |
| func(img *Image) (bool, error) { |
| as, err := client.DetectLabels(ctx, img, 1) |
| return as != nil, err |
| }, |
| }, |
| {"mountain.jpg", |
| func(img *Image) (bool, error) { |
| as, err := client.DetectTexts(ctx, img, 1) |
| return as != nil, err |
| }, |
| }, |
| {"cat.jpg", |
| func(img *Image) (bool, error) { |
| as, err := client.DetectSafeSearch(ctx, img) |
| return as != nil, err |
| }, |
| }, |
| {"cat.jpg", |
| func(img *Image) (bool, error) { |
| ip, err := client.DetectImageProps(ctx, img) |
| return ip != nil, err |
| }, |
| }, |
| } { |
| present, err := test.call(testImage(test.path)) |
| if err != nil { |
| t.Errorf("%s, #%d: got err %v, want nil", test.path, i, err) |
| } |
| if !present { |
| t.Errorf("%s, #%d: nil annotation, want non-nil", test.path, i) |
| } |
| } |
| } |
| |
| // The DetectXXX methods of client that return EntityAnnotations. |
| var entityDetectionMethods = []func(*Client, context.Context, *Image, int) ([]*EntityAnnotation, error){ |
| (*Client).DetectLandmarks, |
| (*Client).DetectLogos, |
| (*Client).DetectLabels, |
| (*Client).DetectTexts, |
| } |
| |
| func TestErrors(t *testing.T) { |
| ctx := context.Background() |
| client := integrationTestClient(ctx, t) |
| defer client.Close() |
| |
| // Empty image. |
| // With Client.Annotate, the RPC succeeds, but the Error field is non-nil. |
| _, err := client.Annotate(ctx, &AnnotateRequest{ |
| Image: &Image{}, |
| ImageProps: true, |
| }) |
| if err != nil { |
| t.Errorf("got %v, want nil", err) |
| } |
| |
| // Invalid image. |
| badImg := &Image{content: []byte("ceci n'est pas une image")} |
| // If only ImageProps is specified, the result is an annotation |
| // with all fields (including Error) nil. But any actual detection will fail. |
| _, err = client.Annotate(ctx, &AnnotateRequest{ |
| Image: badImg, |
| SafeSearch: true, |
| }) |
| if err != nil { |
| t.Errorf("got %v, want error", err) |
| } |
| |
| // With a Client.DetectXXX method, the Error field becomes the return value. |
| _, err = client.DetectFaces(ctx, &Image{}, 1) |
| if err == nil { |
| t.Error("got nil, want error") |
| } |
| for i, edm := range entityDetectionMethods { |
| _, err = edm(client, ctx, &Image{}, 1) |
| if err == nil { |
| t.Errorf("edm %d: got nil, want error", i) |
| } |
| } |
| _, err = client.DetectSafeSearch(ctx, &Image{}) |
| if err == nil { |
| t.Error("got nil, want error") |
| } |
| _, err = client.DetectImageProps(ctx, &Image{}) |
| if err == nil { |
| t.Error("got nil, want error") |
| } |
| |
| // Client.DetectXXX methods fail if passed a zero maxResults. |
| img := testImage("cat.jpg") |
| _, err = client.DetectFaces(ctx, img, 0) |
| if err == nil { |
| t.Error("got nil, want error") |
| } |
| for i, edm := range entityDetectionMethods { |
| _, err = edm(client, ctx, img, 0) |
| if err == nil { |
| t.Errorf("edm %d: got nil, want error", i) |
| } |
| } |
| } |
| |
| func integrationTestClient(ctx context.Context, t *testing.T) *Client { |
| if testing.Short() { |
| t.Skip("Integration tests skipped in short mode") |
| } |
| ts := testutil.TokenSource(ctx, Scope) |
| if ts == nil { |
| t.Skip("Integration tests skipped. See CONTRIBUTING.md for details") |
| } |
| client, err := NewClient(ctx, option.WithTokenSource(ts)) |
| if err != nil { |
| t.Fatal(err) |
| } |
| return client |
| } |
| |
| var images = map[string]*Image{} |
| |
| func testImage(path string) *Image { |
| if img, ok := images[path]; ok { |
| return img |
| } |
| f, err := os.Open("testdata/" + path) |
| if err != nil { |
| log.Fatal(err) |
| } |
| img, err := NewImageFromReader(f) |
| if err != nil { |
| log.Fatalf("reading image %q: %v", path, err) |
| } |
| images[path] = img |
| return img |
| } |