Travis: add coverage reporting via pytest-cov on codecov.io

.coveragerc

@@ -1,4 +1,4 @@
 [run]
 parallel = true
-source = pytest_django
+source = pytest_django,pytest_django_test,tests
 branch = true

.travis.yml

@@ -5,7 +5,6 @@ language: python
 matrix:
   fast_finish: true
   include:
-
     - python: 3.6
       env: TOXENV=py36-pytest3-djangomaster-postgres
     - python: 3.6
@@ -70,12 +69,31 @@ install:
   - printf '\necho "Using pip-wrapper.." >&2\ntravis_retry pip "$@"' >> bin/travis_retry_pip
   - chmod +x bin/travis_retry_pip
   - sed -i.bak 's/^\[testenv\]/\0\ninstall_command = travis_retry_pip install {opts} {packages}/' tox.ini
-  - diff tox.ini tox.ini.bak && return 1 || true
-  - sed -i.bak 's/whitelist_externals =/\0\n    travis_retry_pip/' tox.ini
-  - diff tox.ini tox.ini.bak && return 1 || true
+  - if diff tox.ini tox.ini.bak; then exit 1; fi
+  - printf '\nwhitelist_externals = travis_retry_pip' >> tox.ini
 
   - pip install tox==2.7.0
+  - |
+    if [[ "${TOXENV%-checkqa}" == "$TOXENV" ]]; then
+      export PYTEST_ADDOPTS='--cov=pytest_django --cov=tests --cov=pytest_django_test --cov-report=term-missing:skip-covered'
+      export _PYTESTDJANGO_TOX_EXTRA_DEPS=pytest-cov
+    fi
 
 script:
   - tox
   - "find ${TRAVIS_BUILD_DIR}/.tox -name 'log' -o -name '__pycache__' -type d | xargs -I {} rm -rf {}"
+
+after_success:
+  - |
+    set -ex
+    if [[ "${TOXENV%-checkqa}" == "$TOXENV" ]]; then
+      pip install codecov
+      coverage combine
+      coverage xml
+      coverage report -m --skip-covered
+
+      codecov_flags=${TOXENV//./}
+      codecov_flags=${codecov_flags//-/ }
+      codecov --required -X search gcov pycov -f coverage.xml --flags $codecov_flags
+    fi
+    set +x

tox.ini

@@ -14,6 +14,7 @@ envlist =
 deps =
     django-configurations==2.0
     pytest-xdist==1.15
+    {env:_PYTESTDJANGO_TOX_EXTRA_DEPS:}
 
     checkqa: flake8
 
@@ -31,17 +32,15 @@ deps =
 
     pytest2: pytest>=2.9,<3.0
     pytest3: pytest>=3.0,<4.0
-
 setenv =
      PYTHONPATH = {toxinidir}:{env:PYTHONPATH:}
-
+passenv = PYTEST_ADDOPTS
 usedevelop = True
-
 commands =
     checkqa: flake8 --version
     checkqa: flake8 --show-source --statistics {posargs:pytest_django pytest_django_test}
-    mysql_innodb: py.test --ds=pytest_django_test.settings_mysql_innodb --strict -r fEsxXw {posargs:tests}
-    mysql_myisam: py.test --ds=pytest_django_test.settings_mysql_myisam --strict -r fEsxXw {posargs:tests}
-    postgres: py.test --ds=pytest_django_test.settings_postgres --strict -r fEsxXw {posargs:tests}
-    sqlite: py.test --ds=pytest_django_test.settings_sqlite --strict -r fEsxXw {posargs:tests}
-    sqlite_file: py.test --ds=pytest_django_test.settings_sqlite_file --strict -r fEsxXw {posargs:tests}
+    mysql_innodb: pytest --ds=pytest_django_test.settings_mysql_innodb --strict -r fEsxXw {posargs:tests}
+    mysql_myisam: pytest --ds=pytest_django_test.settings_mysql_myisam --strict -r fEsxXw {posargs:tests}
+    postgres: pytest --ds=pytest_django_test.settings_postgres --strict -r fEsxXw {posargs:tests}
+    sqlite: pytest --ds=pytest_django_test.settings_sqlite --strict -r fEsxXw {posargs:tests}
+    sqlite_file: pytest --ds=pytest_django_test.settings_sqlite_file --strict -r fEsxXw {posargs:tests}