Code coverage reporting added to Actions workflow (#13)

.github/workflows/c-cpp.yml

@@ -19,5 +19,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Build
       run: make
-    - name: Run tests
-      run: make test
+    - name: Run tests and produce code coverage
+      run: make code-coverage
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1

.gitignore

@@ -32,4 +32,12 @@
 *.app
 
 # Executable dir
-bin/
+bin/
+
+# Coverage dir
+coverage/
+
+# Coverage/profiling artifacts
+*.gcda
+*.gcno
+*.gcov

Makefile

@@ -8,6 +8,11 @@ EXAMPLE_DIR = examples
 CXX_FLAGS = -std=c++17 -Iinclude
 OUT_DIR = bin
 
+COVERAGE_CXX_FLAGS = -O0 --coverage
+COVERAGE_DIR = coverage
+
+code-coverage: CXX_FLAGS += $(COVERAGE_CXX_FLAGS)
+
 $(TEST_TARGETS): % : $(TEST_DIR)/%.cpp
 	mkdir -p $(OUT_DIR)
 	g++ $(CXX_FLAGS) -o $(OUT_DIR)/$@ $< $(TEST_LIBS)
@@ -19,8 +24,15 @@ $(EXAMPLE_TARGETS): % : $(EXAMPLE_DIR)/%.cpp
 test: $(TEST_TARGETS)
 	./$(OUT_DIR)/$<
 
+code-coverage: $(TEST_TARGETS)
+	./$(OUT_DIR)/$<
+	mkdir -p $(COVERAGE_DIR)
+	mv *.gcda *.gcno $(COVERAGE_DIR)
+
 clean:
-	rm $(addprefix $(OUT_DIR)/, $(TEST_TARGETS))
+	rm -f $(addprefix $(OUT_DIR)/, $(TEST_TARGETS))
 	rmdir --ignore-fail-on-non-empty $(OUT_DIR)
-
-.PHONY: test clean
+	rm -f $(addprefix $(COVERAGE_DIR)/, *.gcda *.gcno)
+	rmdir --ignore-fail-on-non-empty $(COVERAGE_DIR)
+
+.PHONY: test code-coverage clean

README.md

@@ -1,5 +1,7 @@
 # The minimalist error handling framework
 
+[![codecov](https://codecov.io/gh/vvish/cpp_result/branch/master/graph/badge.svg)](https://codecov.io/gh/vvish/cpp_result)
+
 ## Motivation
 
 The framework makes an attempt to provide resource efficient ways to define