Merge pull request #47 from ChunweiYan/feature/init_travis_ci

.travis.yml

+language: cpp
+cache:
+  directories:
+    - $HOME/.ccache
+    - $HOME/.cache/pip
+    - $TRAVIS_BUILD_DIR/build/third_party
+sudo: required
+dist: trusty
+os:
+  - linux
+addons:
+  apt:
+    packages:
+      - gcc-4.8
+      - g++-4.8
+      - git
+      - python
+      - python-pip
+      - python2.7-dev
+      - python-wheel
+      - clang-format-3.8
+      - ccache
+notifications:
+  email:
+    on_success: change
+    on_failure: always

CMakeLists.txt

@@ -37,3 +37,7 @@ add_executable(vl_test
         ${PROJECT_SOURCE_DIR}/visualdl/backend/utils/filesystem.h
         )
 target_link_libraries(vl_test storage im gtest glog protobuf gflags pthread)
+
+enable_testing ()
+
+add_test(NAME vstest COMMAND vl_test)