2017-07-23 09:51:42 +02:00
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// Copyright 2017, Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package vision
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import (
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"fmt"
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"reflect"
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"testing"
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"github.com/golang/protobuf/proto"
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"golang.org/x/net/context"
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pb "google.golang.org/genproto/googleapis/cloud/vision/v1"
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"google.golang.org/genproto/googleapis/rpc/status"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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)
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var batchResponse = &pb.BatchAnnotateImagesResponse{
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Responses: []*pb.AnnotateImageResponse{{
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FaceAnnotations: []*pb.FaceAnnotation{
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{RollAngle: 1}, {RollAngle: 2}},
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LandmarkAnnotations: []*pb.EntityAnnotation{{Mid: "landmark"}},
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LogoAnnotations: []*pb.EntityAnnotation{{Mid: "logo"}},
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LabelAnnotations: []*pb.EntityAnnotation{{Mid: "label"}},
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TextAnnotations: []*pb.EntityAnnotation{{Mid: "text"}},
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FullTextAnnotation: &pb.TextAnnotation{Text: "full"},
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SafeSearchAnnotation: &pb.SafeSearchAnnotation{Spoof: pb.Likelihood_POSSIBLE},
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ImagePropertiesAnnotation: &pb.ImageProperties{DominantColors: &pb.DominantColorsAnnotation{}},
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CropHintsAnnotation: &pb.CropHintsAnnotation{CropHints: []*pb.CropHint{{Confidence: 0.5}}},
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WebDetection: &pb.WebDetection{WebEntities: []*pb.WebDetection_WebEntity{{EntityId: "web"}}},
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}},
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}
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// Verify that all the "shortcut" methods use the underlying
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// BatchAnnotateImages RPC correctly.
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func TestClientMethods(t *testing.T) {
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ctx := context.Background()
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c, err := NewImageAnnotatorClient(ctx, clientOpt)
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if err != nil {
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t.Fatal(err)
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}
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mockImageAnnotator.resps = []proto.Message{batchResponse}
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img := &pb.Image{Source: &pb.ImageSource{ImageUri: "http://foo.jpg"}}
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ictx := &pb.ImageContext{LanguageHints: []string{"en", "fr"}}
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req := &pb.AnnotateImageRequest{
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Image: img,
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ImageContext: ictx,
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Features: []*pb.Feature{
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{Type: pb.Feature_LABEL_DETECTION, MaxResults: 3},
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{Type: pb.Feature_FACE_DETECTION, MaxResults: 4},
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},
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}
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for i, test := range []struct {
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call func() (interface{}, error)
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wantFeatures []*pb.Feature
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wantRes interface{}
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}{
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{
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func() (interface{}, error) { return c.AnnotateImage(ctx, req) },
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req.Features, batchResponse.Responses[0],
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},
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{
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func() (interface{}, error) { return c.DetectFaces(ctx, img, ictx, 2) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_FACE_DETECTION, MaxResults: 2}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].FaceAnnotations,
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},
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{
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func() (interface{}, error) { return c.DetectLandmarks(ctx, img, ictx, 2) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_LANDMARK_DETECTION, MaxResults: 2}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].LandmarkAnnotations,
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},
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{
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func() (interface{}, error) { return c.DetectLogos(ctx, img, ictx, 2) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_LOGO_DETECTION, MaxResults: 2}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].LogoAnnotations,
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},
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{
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func() (interface{}, error) { return c.DetectLabels(ctx, img, ictx, 2) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_LABEL_DETECTION, MaxResults: 2}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].LabelAnnotations,
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},
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{
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func() (interface{}, error) { return c.DetectTexts(ctx, img, ictx, 2) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_TEXT_DETECTION, MaxResults: 2}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].TextAnnotations,
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},
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{
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func() (interface{}, error) { return c.DetectDocumentText(ctx, img, ictx) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_DOCUMENT_TEXT_DETECTION, MaxResults: 0}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].FullTextAnnotation,
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},
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{
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func() (interface{}, error) { return c.DetectSafeSearch(ctx, img, ictx) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_SAFE_SEARCH_DETECTION, MaxResults: 0}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].SafeSearchAnnotation,
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},
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{
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func() (interface{}, error) { return c.DetectImageProperties(ctx, img, ictx) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_IMAGE_PROPERTIES, MaxResults: 0}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].ImagePropertiesAnnotation,
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},
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{
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func() (interface{}, error) { return c.DetectWeb(ctx, img, ictx) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_WEB_DETECTION, MaxResults: 0}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].WebDetection,
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},
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{
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func() (interface{}, error) { return c.CropHints(ctx, img, ictx) },
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2018-03-19 16:51:38 +01:00
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[]*pb.Feature{{Type: pb.Feature_CROP_HINTS, MaxResults: 0}},
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2017-07-23 09:51:42 +02:00
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batchResponse.Responses[0].CropHintsAnnotation,
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},
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} {
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mockImageAnnotator.reqs = nil
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res, err := test.call()
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if err != nil {
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t.Fatal(err)
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}
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got := mockImageAnnotator.reqs[0]
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want := &pb.BatchAnnotateImagesRequest{
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Requests: []*pb.AnnotateImageRequest{{
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Image: img,
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ImageContext: ictx,
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Features: test.wantFeatures,
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}},
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}
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if !testEqual(got, want) {
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t.Errorf("#%d:\ngot %v\nwant %v", i, got, want)
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}
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if got, want := res, test.wantRes; !testEqual(got, want) {
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t.Errorf("#%d:\ngot %v\nwant %v", i, got, want)
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}
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}
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}
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func testEqual(a, b interface{}) bool {
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if a == nil && b == nil {
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return true
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}
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if a == nil || b == nil {
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return false
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}
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t := reflect.TypeOf(a)
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if t != reflect.TypeOf(b) {
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return false
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}
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if am, ok := a.(proto.Message); ok {
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return proto.Equal(am, b.(proto.Message))
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}
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if t.Kind() != reflect.Slice {
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panic(fmt.Sprintf("testEqual can only handle proto.Message and slices, got %s", t))
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}
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va := reflect.ValueOf(a)
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vb := reflect.ValueOf(b)
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if va.Len() != vb.Len() {
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return false
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}
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for i := 0; i < va.Len(); i++ {
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if !testEqual(va.Index(i).Interface(), vb.Index(i).Interface()) {
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return false
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}
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}
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return true
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}
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func TestAnnotateOneError(t *testing.T) {
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ctx := context.Background()
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c, err := NewImageAnnotatorClient(ctx, clientOpt)
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if err != nil {
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t.Fatal(err)
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}
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mockImageAnnotator.resps = []proto.Message{
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&pb.BatchAnnotateImagesResponse{
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Responses: []*pb.AnnotateImageResponse{{
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Error: &status.Status{Code: int32(codes.NotFound), Message: "not found"},
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}},
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},
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}
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_, err = c.annotateOne(ctx,
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&pb.Image{Source: &pb.ImageSource{ImageUri: "http://foo.jpg"}},
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nil, pb.Feature_LOGO_DETECTION, 1, nil)
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2018-01-16 14:20:59 +01:00
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if c := grpc.Code(err); c != codes.NotFound {
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t.Errorf("got %v, want NotFound", c)
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2017-07-23 09:51:42 +02:00
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}
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}
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