text: // Copyright 2019 Google LLC
  //
  // 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
  //
  //     https://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 v3
  
  import (
  	"bytes"
  	"strings"
  	"testing"
  
  	"github.com/GoogleCloudPlatform/golang-samples/internal/testutil"
  )
  
  func TestTranslateText(t *testing.T) {
  	tc := testutil.SystemTest(t)
  
  	sourceLang := "en-US"
  	targetLang := "sr-Latn"
  	text := "Hello world"
  
  	// Translate text.
  	var buf bytes.Buffer
  	if err := translateText(&buf, tc.ProjectID, sourceLang, targetLang, text); err != nil {
  		t.Fatalf("translateText: %v", err)
  	}
  	if got, want1, want2 := buf.String(), "Zdravo", "Pozdrav"; !strings.Contains(got, want1) && !strings.Contains(got, want2) {
  		t.Errorf("translateText got:\n----\n%s----\nWant to contain:\n----\n%s\n----\nOR\n----\n%s\n----", got, want1, want2)
  	}
  }
  