Run unit tests on Travis

.travis.yml

@@ -2,6 +2,13 @@ language: dart
 sudo: false
 dart:
   - stable
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - gcc-4.8
+    - g++-4.8
 before_script:
   - ./travis/setup.sh
 script:

travis/download_tester.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import argparse
+import os
+import subprocess
+import sys
+
+def download(base_url, out_dir, name):
+    url = '%s/%s' % (base_url, name)
+    dst = os.path.join(out_dir, name)
+    print 'Downloading', url
+    subprocess.call([ 'curl', '-o', dst, url ])
+
+def main():
+    parser = argparse.ArgumentParser(description='Downloads test artifacts from Google storage')
+    parser.add_argument('revision_file')
+    parser.add_argument('out_dir')
+    args = parser.parse_args()
+
+    out_dir = args.out_dir
+    if not os.path.exists(out_dir):
+        os.makedirs(out_dir)
+
+    revision = None
+    with open(args.revision_file, 'r') as f:
+        revision = f.read()
+
+    base_url = 'https://storage.googleapis.com/mojo/sky/shell/linux-x64/%s' % revision
+    download(base_url, out_dir, 'sky_shell')
+    download(base_url, out_dir, 'icudtl.dat')
+    download(base_url, out_dir, 'sky_snapshot')
+
+    subprocess.call([ 'chmod', 'a+x', os.path.join(out_dir, 'sky_shell' )])
+    subprocess.call([ 'chmod', 'a+x', os.path.join(out_dir, 'sky_snapshot' )])
+
+if __name__ == '__main__':
+    sys.exit(main())

travis/setup.sh

@@ -1,8 +1,11 @@
 #!/bin/bash
 set -ex
 
+pub global activate tuneup
+
 (cd packages/cassowary; pub get)
 (cd packages/newton; pub get)
 (cd packages/flutter_tools; pub get)
+(cd packages/unit; pub get)
 
-pub global activate tuneup
+./travis/download_tester.py packages/unit/packages/sky_engine/REVISION bin/cache/travis/out/Debug

travis/test.sh

@@ -4,3 +4,4 @@ set -ex
 (cd packages/cassowary; pub global run tuneup check; pub run test -j1)
 (cd packages/newton; pub global run tuneup check; pub run test -j1)
 (cd packages/flutter_tools; pub global run tuneup check; pub run test -j1)
+./dev/run_tests --engine-dir bin/cache/travis