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 * Copyright 2016 Google Inc.
 * 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.
namespace Google\Cloud\Samples\Speech\Tests;
use Google\Cloud\Samples\Speech\TranscribeCommand;
use Symfony\Component\Console\Application;
use Symfony\Component\Console\Tester\CommandTester;
 * Unit Tests for TablesCommand.
class TranscribeCommandTest extends \PHPUnit_Framework_TestCase
    protected static $hasCredentials;
    protected static $bucketName;
    public static function setUpBeforeClass()
        $path = getenv('GOOGLE_APPLICATION_CREDENTIALS');
        self::$hasCredentials = $path && file_exists($path) &&
            filesize($path) > 0;
    /** @dataProvider provideTranscribe */
    public function testTranscribe($audioFile, $encoding, $sampleRate, $options = [])
        if (!self::$hasCredentials) {
            $this->markTestSkipped('No application credentials were found.');
        if (!self::$bucketName && 0 === strpos($audioFile, 'gs://')) {
            $this->markTestSkipped('You must set the GOOGLE_BUCKET_NAME environment variable.');
        $application = new Application();
        $application->add(new TranscribeCommand());
        $commandTester = new CommandTester($application->get('transcribe'));
        $commandTester->execute(
                'audio-file' => $audioFile,
                '--encoding' => $encoding,
                '--sample-rate' => $sampleRate,
            ] + $options,
            ['interactive' => false]
        $this->expectOutputRegex("/how old is the Brooklyn Bridge/");
    public function provideTranscribe()
        self::$bucketName = getenv('GOOGLE_BUCKET_NAME');
        return [
            [__DIR__ . '/data/audio32KHz.raw', 'LINEAR16', '32000'],
            [__DIR__ . '/data/audio32KHz.flac', 'FLAC', '32000'],
            [__DIR__ . '/data/audio32KHz.raw', 'LINEAR16', '32000', ['--stream' => true]],
            [__DIR__ . '/data/audio32KHz.raw', 'LINEAR16', '32000', ['--async' => true]],
            ['gs://' . self::$bucketName . '/audio32KHz.raw', 'LINEAR16', '32000'],
            ['gs://' . self::$bucketName . '/audio32KHz.raw', 'LINEAR16', '32000', ['--async' => true]],

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