build and test python module on travis

Author: bingmann

.gitignore

@@ -8,3 +8,4 @@ python/docs/_generate
 *.cobs_cache
 *.cobs_classic
 *.cobs_compact
+__pycache__

.travis.yml

@@ -3,24 +3,22 @@
 language: cpp
 
 sudo: false
-dist: trusty
+dist: bionic
+
+addons:
+  apt:
+    packages:
+      - python3
+      - python3-pip
+      - python3-setuptools
 
 matrix:
   include:
     # gcc 7.x, Debug with -O1
-    - env: CMAKE_CC="gcc-7" CMAKE_CXX="g++-7" BUILD_TYPE="Debug" COMPILER_FLAGS="-O1"
-      os: linux
-      addons: &gcc7
-        apt:
-          sources:
-            - ubuntu-toolchain-r-test
-          packages:
-            - g++-7
+    - env: CMAKE_CC="gcc" CMAKE_CXX="g++" BUILD_TYPE="Debug" COMPILER_FLAGS="-O1"
 
     # gcc 7.x, Release
-    - env: CMAKE_CC="gcc-7" CMAKE_CXX="g++-7" BUILD_TYPE="Release" COMPILER_FLAGS=""
-      os: linux
-      addons: *gcc7
+    - env: CMAKE_CC="gcc" CMAKE_CXX="g++" BUILD_TYPE="Release" COMPILER_FLAGS=""
 
 before_script:
 
@@ -37,4 +35,8 @@ before_script:
       $CMAKE_ARGS ..
 
 script:
-  - make -j2 && ctest -V
+  #- make -j2 && ctest -V
+  # install and test python module
+  - cd .. && rm -rf build
+  - pip3 install --user --verbose .
+  - cd python && python3 -m unittest

python/test.py

@@ -53,11 +53,11 @@ def build_extension(self, ext):
         if not os.path.exists(self.build_temp):
             os.makedirs(self.build_temp)
         subprocess.check_call(['cmake', ext.sourcedir] + cmake_args, cwd=self.build_temp, env=env)
-        subprocess.check_call(['cmake', '--build', '.'] + build_args, cwd=self.build_temp)
+        subprocess.check_call(['cmake', '--build', '.', '--target', 'cobs_python'] + build_args, cwd=self.build_temp)
 
 def test_suite():
     test_loader = unittest.TestLoader()
-    test_suite = test_loader.discover('python/tests', pattern='*_test.py')
+    test_suite = test_loader.discover('python/tests', pattern='test_*.py')
     return test_suite
 
 if __name__ == '__main__':