Add test for speech sample.

Author: Jerjou Cheng

speech/api/speechrest.py

@@ -19,6 +19,7 @@
 import argparse
 import base64
 import json
+import os
 
 from googleapiclient import discovery
 
@@ -29,7 +30,8 @@
 
 # Path to local discovery file
 # [START discovery_doc]
-API_DISCOVERY_FILE = 'speech-discovery_google_rest_v1.json'
+API_DISCOVERY_FILE = os.path.join(
+    os.path.dirname(__file__), 'speech-discovery_google_rest_v1.json')
 # [END discovery_doc]
 
 
@@ -67,7 +69,7 @@ def main(speech_file):
                 'sampleRate': 16000
             },
             'audioRequest': {
-                'content': speech_content
+                'content': speech_content.decode('UTF-8')
                 }
             })
     # [END construct_request]

speech/api/speechrest_test.py

@@ -0,0 +1,23 @@
+# 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.
+
+import re
+
+from speechrest import main
+
+
+def test_main(resource, capsys):
+    main(resource('audio.raw'))
+    out, err = capsys.readouterr()
+
+    assert re.search(r'how old is the Brooklyn Bridge', out, re.DOTALL | re.I)