Add a video quickstart and test. (GoogleCloudPlatform#380)

Author: SurferJeffAtGoogle

.gitignore

@@ -7,3 +7,4 @@ credentials.*
 **/vendor/
 **/build/
 .php_cs.cache
+.vscode/

video/composer.json

@@ -2,7 +2,6 @@
     "name": "google/translate-sample",
     "type": "project",
     "require": {
-        "google/cloud-storage": "^1.0",
         "symfony/console": "^3.1",
         "google/cloud-videointelligence": "^0.2.0",
         "stanley-cheung/protobuf-php": "^0.6.0"

video/quickstart.php

@@ -0,0 +1,45 @@
+
+/**
+ * Copyright 2017 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.
+ */
+
+# Includes the autoloader for libraries installed with composer
+require __DIR__ . '/vendor/autoload.php';
+
+# [START videointelligence_quickstart]
+# Import a convenient way to print the response.
+use DrSlump\Protobuf\Codec\TextFormat;
+# Imports the Google Cloud client library
+use Google\Cloud\VideoIntelligence\V1beta1\VideoIntelligenceServiceClient;
+use google\cloud\videointelligence\v1beta1\Feature;
+
+# Instantiate a client.
+$video = new VideoIntelligenceServiceClient();
+
+# Execute a request.
+$operation = $video->annotateVideo(
+    'gs://demomaker/cat.mp4',
+    [Feature::LABEL_DETECTION]
+);
+# Wait for the request to complete.
+$operation->pollUntilComplete();
+# Print the result.
+$format = new TextFormat();
+if ($operation->operationSucceeded()) {
+    print $operation->getResult()->serialize($format);
+} else {
+    print $operation->getError()->serialize($format);
+}
+# [END videointelligence_quickstart]

video/test/QuickStartTest.php

@@ -0,0 +1,35 @@
+
+/**
+ * Copyright 2017 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.
+ */
+
+class quickstartTest extends \PHPUnit_Framework_TestCase
+{
+    public function setUp()
+    {
+        if (!$creds = getenv('GOOGLE_APPLICATION_CREDENTIALS')) {
+            $this->markTestSkipped('Set the GOOGLE_APPLICATION_CREDENTIALS ' .
+                'environment variable');
+        }
+    }
+    
+    public function testQuickstart()
+    {
+        // Invoke quickstart.php
+        $results = include __DIR__ . '/../quickstart.php';
+        $display = $this->getActualOutput();
+        $this->assertContains('label_annotations', $display);
+    }
+}