Add Codecov to gensim repo (#3252)

* add codecov

* add pytest-cov into multibuild

* upload coverage report form py38 (linux)

.github/workflows/build-wheels.yml

@@ -114,7 +114,7 @@ jobs:
       PLAT: x86_64
       UNICODE_WIDTH: 32
       MB_PYTHON_VERSION: ${{ matrix.python-version }} # MB_PYTHON_VERSION is needed by Multibuild
-      TEST_DEPENDS: Morfessor==2.0.2a4 python-levenshtein==0.12.0 visdom==0.1.8.9 pytest mock cython nmslib pyemd testfixtures scikit-learn pyemd
+      TEST_DEPENDS: Morfessor==2.0.2a4 python-levenshtein==0.12.0 visdom==0.1.8.9 pytest pytest-cov mock cython nmslib pyemd testfixtures scikit-learn pyemd
       DOCKER_TEST_IMAGE: multibuild/xenial_x86_64
       TRAVIS_OS_NAME: ${{ matrix.travis-os-name }}
       SKIP_NETWORK_TESTS: 1

.github/workflows/tests.yml

@@ -53,9 +53,18 @@ jobs:
         run: ulimit -c unlimited -S  # enable core dumps
       - name: Run tox tests
         run: tox -e ${{ matrix.tox }}
+      - name: Upload coverage to Codecov
+        if: matrix.os == 'ubuntu-20.04' && matrix.python == '3.8'
+        uses: codecov/codecov-action@v2
+        with:
+          fail_ci_if_error: true
+          files: ./coverage.xml
+          verbose: true
+
+
       - name: Collect corefile
         if: ${{ failure() }}
         run: |
           pwd
           COREFILE=$(find . -maxdepth 1 -name "core*" | head -n 1)
-          if [[ -f "$COREFILE" ]]; then EXECFILE=$(gdb -c "$COREFILE" -batch | grep "Core was generated" | tr -d "\`" | cut -d' ' -f5); file "$COREFILE"; gdb -c "$COREFILE" "$EXECFILE" -x continuous_integration/debug.gdb -batch; fi
+          if [[ -f "$COREFILE" ]]; then EXECFILE=$(gdb -c "$COREFILE" -batch | grep "Core was generated" | tr -d "\`" | cut -d' ' -f5); file "$COREFILE"; gdb -c "$COREFILE" "$EXECFILE" -x continuous_integration/debug.gdb -batch; fi

setup.py

@@ -268,6 +268,7 @@ def run(self):
 # packages included for build-testing everywhere
 core_testenv = [
     'pytest',
+    'pytest-cov',
 #    'pytest-rerunfailures',  # disabled 2020-08-28 for <https://github.com/pytest-dev/pytest-rerunfailures/issues/128>
     'mock',
     'cython',

tox.ini

@@ -24,8 +24,26 @@ ignore = E203,  # space before :
 exclude = .venv, .git, .tox, dist, doc, build, gensim/models/deprecated
 
 
+[coverage:run]
+source=gensim
+
+[coverage:report]
+omit =
+    gensim/test/*
+    */__init__.py
+
+exclude_lines =
+    pragma: no cover
+    def __repr__
+    def __str__
+    raise AssertionError
+    raise NotImplementedError
+    if __name__ == .__main__.:
+
+ignore_errors = True
+
 [pytest]
-addopts = -rfxEXs --durations=20 --showlocals
+addopts = -rfxEXs --durations=20 --showlocals --cov=gensim/ --cov-report=xml
 
 
 [testenv]