Add OSX to .travis.yml

.travis.yml

@@ -1,8 +1,9 @@
-language: generic
-
 sudo: required
 
-dist: trusty
+language: generic
+
+cache:
+  - pip
 
 branches:
   only:
@@ -14,33 +15,77 @@ notifications:
 env:
   global:
     # used by ci-helpers
-    - SETUP_XVFB=true PIP_DEPENDENCIES='hacking pytest pytest-qt'
-  matrix:
-    - PYTEST_QT_API=pyqt4v2 PYQT_PACKAGE='pyqt=4' PYTHON_VERSION=2.7
-    - PYTEST_QT_API=pyside2 CONDA_CHANNELS='conda-forge' PYQT_PACKAGE='pyside2' PYTHON_VERSION=2.7
-    - PYTEST_QT_API=pyside2 CONDA_CHANNELS='conda-forge' PYQT_PACKAGE='pyside2' PYTHON_VERSION=3.6
-    - PYTEST_QT_API=pyqt5 PYQT_PACKAGE='pyqt=5' PYTHON_VERSION=2.7
-    - PYTEST_QT_API=pyqt5 PYQT_PACKAGE='pyqt=5' PYTHON_VERSION=3.6
+    - SETUP_XVFB=true
+    - PIP_DEPENDENCIES='hacking pytest pytest-qt'
 
-install:
-  - sudo apt-get update
-
-  # Xvfb / window manager
-  - sudo apt-get install -y xvfb herbstluftwm
+matrix:
+  include:
+    - os: linux
+      dist: trusty
+      env:
+        - PYTEST_QT_API=pyqt4v2
+        - PYQT_PACKAGE='pyqt=4'
+        - PYTHON_VERSION=2.7
+    - os: linux
+      dist: trusty
+      env:
+        - PYTEST_QT_API=pyside2
+        - CONDA_CHANNELS='conda-forge'
+        - PYQT_PACKAGE='pyside2'
+        - PYTHON_VERSION=2.7
+    - os: linux
+      dist: trusty
+      env:
+        - PYTEST_QT_API=pyside2
+        - CONDA_CHANNELS='conda-forge'
+        - PYQT_PACKAGE='pyside2'
+        - PYTHON_VERSION=3.6
+    - os: linux
+      dist: trusty
+      env:
+        - PYTEST_QT_API=pyqt5
+        - PYQT_PACKAGE='pyqt=5'
+        - PYTHON_VERSION=2.7
+    - os: linux
+      dist: trusty
+      env:
+        - PYTEST_QT_API=pyqt5
+        - PYQT_PACKAGE='pyqt=5'
+        - PYTHON_VERSION=3.6
+    # Skip other versions than pyqt5 for macOS
+    - os: osx
+      env:
+        - PYTEST_QT_API=pyqt5
+        - PYQT_PACKAGE='pyqt=5'
+        - PYTHON_VERSION=3.6
 
+install:
+  - |
+    if [ $TRAVIS_OS_NAME = "linux" ]; then
+      sudo apt-get update
+      # Xvfb / window manager
+      sudo apt-get install -y xvfb herbstluftwm
+    fi
   # Setup miniconda
   - git clone --depth 1 git://github.com/astropy/ci-helpers.git
   - CONDA_DEPENDENCIES=$PYQT_PACKAGE source ci-helpers/travis/setup_conda.sh
   - source activate test && pip install .
 
 before_script:
- - "herbstluftwm &"
- - sleep 1
+  - |
+    if [ $TRAVIS_OS_NAME = "linux" ]; then
+      "herbstluftwm &"
+      sleep 1
+    fi
 
 script:
   - source activate test
   - flake8 examples labelme setup.py tests
-  - pytest -v tests
+  - |
+    if [ $TRAVIS_OS_NAME = "linux" ]; then
+      # gui tests
+      pytest -v tests
+    fi
   - labelme --help
   - labelme --version
   - (cd examples/tutorial && rm -rf apc2016_obj3_json && labelme_json_to_dataset apc2016_obj3.json && python load_label_png.py && git checkout -- .)
@@ -50,8 +95,8 @@ script:
 after_script:
   # build standalone executable file
   - source deactivate
-  - sudo apt-get install python-virtualenv
-  - virtualenv venv
+  - sudo apt-get install python3 python-virtualenv
+  - virtualenv venv --python=$(which python3)
   - . venv/bin/activate
   - pip install .
   - pip uninstall matplotlib