tests: Build and run all tests with make check

Simplifies the building and running of tests

Also exports the proper env variables so that the googletest output is
colored

ctest can use env variables for some of its options so we can for
example run
  CTEST_PROGRESS_OUTPUT=1 make check
to run ctest with the --progress flag

This also makes the travis test.sh script obsolete

.travis.yml

@@ -46,7 +46,7 @@ matrix:
     - compiler: gcc
       env: BUILD_TYPE=Coverage POLYBAR_BUILD_TYPE=tests BUILD_TESTS=ON
       addons: {apt: {packages: [*base_deps, *optional_deps]}}
-      script: ${TRAVIS_BUILD_DIR}/common/travis/tests.sh
+      script: make check
       after_success:
         - cd ${TRAVIS_BUILD_DIR}
         - bash <(curl -s https://codecov.io/bash) -F unittests -a "-ap" -Z || echo "Codecov did not collect coverage reports"

common/travis/tests.sh

@@ -1,16 +0,0 @@
-#!/bin/bash
-r=0
-
-make all_unit_tests || exit $?
-
-for test in tests/unit_test.*; do
-  [ -x "$test" ] || continue
-
-  if $test; then
-    printf "\033[1;32m%s\033[0m\n" "${test##*/} passed"
-  else
-    r=1
-    printf "\033[1;31m%s\033[0m\n" "${test##*/} failed"
-  fi
-done
-exit $r

tests/CMakeLists.txt

@@ -57,3 +57,9 @@ add_unit_test(components/command_line)
 add_unit_test(components/bar)
 add_unit_test(components/builder)
 add_unit_test(components/parser)
+
+# Run make check to build and run all unit tests
+add_custom_target(check
+  COMMAND GTEST_COLOR=1 ctest --output-on-failure
+  DEPENDS all_unit_tests
+  )