From f99f227623ce037d601586d8d3a1290d799d930e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Tue, 21 May 2019 21:16:41 +0200
Subject: [PATCH] package/ci: coverage for both C++ and Python.

---
 package/ci/travis-desktop.sh |  9 +++++----
 package/ci/travis.yml        | 12 +++++++++++-
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/package/ci/travis-desktop.sh b/package/ci/travis-desktop.sh
index ffe26ed..812aa68 100755
--- a/package/ci/travis-desktop.sh
+++ b/package/ci/travis-desktop.sh
@@ -44,8 +44,9 @@ cd ../..
 # Build the thing
 mkdir build && cd build
 cmake .. \
+    -DCMAKE_CXX_FLAGS="--coverage" \
     -DCMAKE_INSTALL_PREFIX=$HOME/deps \
-    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_BUILD_TYPE=Debug \
     -DCMAKE_PREFIX_PATH=$HOME/pybind11 \
     -DPYBIND11_PYTHON_VERSION=3.6 \
     -DWITH_PYTHON=ON \
@@ -56,9 +57,9 @@ ninja
 cd src/python
 python3 setup.py install --root="$TRAVIS_BUILD_DIR/install" --prefix=/usr
 
-# Run tests
+# Run tests & gather coverage
 cd ../../../src/python/corrade
-coverage run -m unittest -v
+coverage run -m unittest -v && cp .coverage ../.coverage.corrade
 
 cd ../magnum
-coverage run -m unittest -v
+coverage run -m unittest -v && cp .coverage ../.coverage.magnum
diff --git a/package/ci/travis.yml b/package/ci/travis.yml
index eead4d5..40639a5 100644
--- a/package/ci/travis.yml
+++ b/package/ci/travis.yml
@@ -4,6 +4,7 @@ addons:
     - g++-4.8
     - libgl1-mesa-dev
     - ninja-build
+    - lcov
 
 matrix:
   include:
@@ -14,6 +15,7 @@ matrix:
     compiler: gcc
     env:
     - JOBID=linux-gl
+    - LCOV_EXTRA_OPTS="--gcov-tool /usr/bin/gcov-4.8"
   - language: cpp
     os: osx
     compiler: clang
@@ -51,10 +53,18 @@ install:
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! -e "$HOME/pybind11/bin" ]; then $TRAVIS_BUILD_DIR/package/ci/setup-pybind11.sh; fi
 - if [ "$TRAVIS_OS_NAME" == "osx" ]; then HOMEBREW_NO_AUTO_UPDATE=1 brew install pybind11; fi
 
+# lcov on macOS
+- if [ "$TRAVIS_OS_NAME" == "osx" ]; then HOMEBREW_NO_AUTO_UPDATE=1 brew install lcov; fi
+
 script:
 - if [ "$TRAVIS_OS_NAME" == "linux" ] || [ "$TRAVIS_OS_NAME" == "osx" ]; then ./package/ci/travis-desktop.sh; fi
 # Travis somehow is not able to gather all output, try to force it using this
 - sync
 
 after_success:
-- if [ "$TRAVIS_OS_NAME" == "linux" ] || [ "$TRAVIS_OS_NAME" == "osx" ]; then cd src/python && codecov; fi
+# Keep in sync with package/archlinux/PKGBUILD-coverage, please
+- if [ "$TRAVIS_OS_NAME" == "linux" ] || [ "$TRAVIS_OS_NAME" == "osx" ]; then lcov $LCOV_EXTRA_OPTS --directory . --capture --output-file coverage.info > /dev/null; fi
+- if [ "$TRAVIS_OS_NAME" == "linux" ] || [ "$TRAVIS_OS_NAME" == "osx" ]; then lcov $LCOV_EXTRA_OPTS --extract coverage.info "*/src/python/*" --output-file coverage.info; fi
+
+- if [ "$TRAVIS_OS_NAME" == "linux" ] || [ "$TRAVIS_OS_NAME" == "osx" ]; then cd src/python && coverage combine && codecov -X gcov; fi
+#- if [ "$TRAVIS_OS_NAME" == "linux" ] || [ "$TRAVIS_OS_NAME" == "osx" ]; then bash <(curl -s https://codecov.io/bash) -f coverage.info; fi