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analyze_test.go
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analyze_test.go
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// Copyright 2016 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package main
import (
"testing"
"golang.org/x/net/context"
language "cloud.google.com/go/language/apiv1"
languagepb "google.golang.org/genproto/googleapis/cloud/language/v1"
"github.com/GoogleCloudPlatform/golang-samples/internal/testutil"
)
func TestSentiment(t *testing.T) {
testutil.SystemTest(t)
ctx, c := newClient(t)
res, err := analyzeSentiment(ctx, c, "I am very happy.")
if err != nil {
t.Fatalf("got %v, want nil err", err)
}
if got := res.DocumentSentiment.Score; got <= 0 {
t.Errorf("sentiment score: got %f, want positive", got)
}
}
func TestEntity(t *testing.T) {
testutil.SystemTest(t)
ctx, c := newClient(t)
res, err := analyzeEntities(ctx, c, "Homer Simpson likes donuts.")
if err != nil {
t.Fatalf("got %v, want nil err", err)
}
for _, e := range res.Entities {
if e.Name == "Homer Simpson" {
return // found
}
}
t.Errorf("got %+v; want Homer in Entities", res)
}
func TestSyntax(t *testing.T) {
testutil.SystemTest(t)
ctx, c := newClient(t)
res, err := analyzeSyntax(ctx, c, "If you bend the gopher, his belly folds.")
if err != nil {
t.Fatalf("got %v, want nil err", err)
}
for _, tok := range res.Tokens {
if tok.Lemma == "gopher" {
if tok.PartOfSpeech.Tag != languagepb.PartOfSpeech_NOUN {
t.Errorf("PartOfSpeech: got %+v, want NOUN", tok.PartOfSpeech.Tag)
}
return // found
}
}
t.Errorf("got %+v; want gopher in Tokens", res)
}
func newClient(t *testing.T) (context.Context, *language.Client) {
ctx := context.Background()
client, err := language.NewClient(ctx)
if err != nil {
t.Fatalf("language.NewClient: %v", err)
}
return ctx, client
}