Modify travis.yml according to https://github.com/randy3k/UnitTesting…

…-example/blob/master/.travis.yml

.travis.yml

@@ -1,29 +1,55 @@
-os:
-    - linux
-    - osx
-
 env:
     global:
-        - PACKAGE="MarkdownTOC"
-    matrix:
+        - PACKAGE="UnitTesting-example" # Package name
         - SUBLIME_TEXT_VERSION="3"
+        # use UNITTESTING_TAG to specific tag of UnitTesting
+        # - UNITTESTING_TAG="master"
+
+# mutliple os matrix
+# https://docs.travis-ci.com/user/multi-os/#Python-example-(unsupported-languages)
+matrix:
+    include:
+        - os: linux
+          language: python
+          python: 3.3
+        - os: osx
+          language: generic
+
 
 before_install:
     - curl -OL https://raw.githubusercontent.com/SublimeText/UnitTesting/master/sbin/travis.sh
+    # enable gui, see https://docs.travis-ci.com/user/gui-and-headless-browsers
+    - if [ "$TRAVIS_OS_NAME" == "linux"  ]; then
+            export DISPLAY=:99.0;
+            sh -e /etc/init.d/xvfb start;
+      fi
 
 install:
-    - sudo pip install coveralls coverage codecov
+    # bootstrap the testing environment
     - sh travis.sh bootstrap
-    - sh travis.sh install_package_control
+    # install Package Control and package denepdencies
+    # - sh travis.sh install_package_control
 
 script:
+    # run tests with test coverage report
     - sh travis.sh run_tests --coverage
     # testing syntax_test files
     # - sh travis.sh run_syntax_tests
 
 after_success:
+    # remove the following if `coveralls` is not needed
+    - if [ "$TRAVIS_OS_NAME" == "osx" ]; then
+            brew update;
+            brew install python3;
+            pip3 install python-coveralls;
+            pip3 install codecov;
+      fi
+    - if [ "$TRAVIS_OS_NAME" == "linux" ]; then
+            pip install python-coveralls;
+            pip install codecov;
+      fi
     - coveralls
     - codecov -t e41883b8-547a-4728-a703-d8e1bbedfcf8
 
 notifications:
-    email: true
+    email: true