Add integration test for server package

tests/inputs/server_config.json

@@ -1,6 +1,5 @@
 {
-    "tts_path":"TTS/tests/outputs/",  // tts model root folder
-    "tts_file":"checkpoint_10.pth.tar",     // tts checkpoint file
+    "tts_checkpoint":"checkpoint_10.pth.tar",     // tts checkpoint file
     "tts_config":"dummy_model_config.json",     // tts config.json file
     "tts_speakers": null,           // json file listing speaker ids. null if no speaker embedding.
     "wavernn_lib_path": null,   // Rootpath to wavernn project folder to be imported. If this is null, model uses GL for speech synthesis.

tests/test_demo_server.py

@@ -20,6 +20,8 @@ class DemoServerTest(unittest.TestCase):
     def test_in_out(self):
         self._create_random_model()
         config = load_config(os.path.join(get_tests_input_path(), 'server_config.json'))
-        config['tts_path'] = get_tests_output_path()
+        tts_root_path = get_tests_output_path()
+        config['tts_checkpoint'] = os.path.join(tts_root_path, config['tts_checkpoint'])
+        config['tts_config'] = os.path.join(tts_root_path, config['tts_config'])
         synthesizer = Synthesizer(config)
         synthesizer.tts("Better this test works!!")

tests/test_server_package.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -xe
+
+if [[ ! -f tests/outputs/checkpoint_10.pth.tar ]]; then
+    echo "Missing dummy model in tests/outputs. This test needs to run after the Python unittests have been run."
+    exit 1
+fi
+
+python -m venv /tmp/venv
+source /tmp/venv/bin/activate
+pip install --quiet --upgrade pip setuptools wheel
+
+rm -f dist/*.whl
+python setup.py bdist_wheel --checkpoint tests/outputs/checkpoint_10.pth.tar --model_config tests/outputs/dummy_model_config.json
+pip install --quiet dist/TTS*.whl
+
+python -m TTS.server.server &
+SERVER_PID=$!
+
+echo 'Waiting for server...'
+sleep 30
+
+curl -o /tmp/audio.wav "http://localhost:5002/api/tts?text=synthesis%20schmynthesis"
+python -c 'import sys; import wave; print(wave.open(sys.argv[1]).getnframes())' /tmp/audio.wav
+
+kill $SERVER_PID
+
+deactivate
+rm -rf /tmp/venv
+
+rm /tmp/audio.wav
+rm dist/*.whl