adds support for coverage testing

1 files changed, 57 insertions, 9 deletions

diff --git a/Makefile b/Makefile
index 08ad6a5..c85383a 100644
--- a/Makefile
+++ b/Makefile
@@ -86,12 +86,24 @@ TESTS := $(patsubst %,testing/%.yarn,$(TESTS))
 
 GEN_BIN := utils/install-lua-bin
 RUN_GEN_BIN := $(LUA) $(GEN_BIN) $(LUA)
+
+COVERAGE := no
+
+ifeq ($(COVERAGE),yes)
+define GEN_LOCAL_BIN
+
+$(RUN_GEN_BIN) $(shell pwd) $(shell pwd)/bin $(shell pwd)/lib $(shell pwd)/plugins $1 $2 $(shell pwd)/extras/luacov/src $(shell pwd)/.coverage/
+chmod 755 $2
+
+endef
+else
 define GEN_LOCAL_BIN
 
 $(RUN_GEN_BIN) $(shell pwd) $(shell pwd)/bin $(shell pwd)/lib $(shell pwd)/plugins $1 $2
 chmod 755 $2
 
 endef
+endif
 
 define GEN_INSTALL_BIN
 
@@ -113,23 +125,51 @@ install -m 644 $1 $2
 
 endef
 
-local: $(LOCAL_BINS)
-	$(LUAC) -p $(LOCAL_BINS)
+define GEN_LOCAL_MOD
 
-clean:
-	@echo "CLEAN: local binaries"
-	@$(RM) $(LOCAL_BINS)
+$(RUN_GEN_BIN) $(shell pwd) $(shell pwd)/bin $(shell pwd)/lib $(shell pwd)/plugins $1 $2
+
+endef
+
+LOCAL_MODS := lib/gitano/coverage.lua
+
+local: $(LOCAL_BINS) $(LOCAL_MODS)
+	@$(LUAC) -p $(LOCAL_BINS) $(LOCAL_MODS)
+	@mkdir -p .coverage
+ifeq ($(COVERAGE),yes)
+	@echo NOTE: Coverage gathering enabled
+	@if ! test -r extras/luacov/src/luacov; then \
+		echo "CANNOT COVERAGE TEST, LUACOV MODULE NOT AVAILABLE"; \
+		echo "Please run: git submodule init && git submodule update"; \
+	fi
+else
+	@echo NOTE: Coverage gathering is not enabled
+endif
+
+clean: cleanbins
+	@echo "CLEAN: coverage stats and reports"
+	@$(RM) -r .coverage luacov.stats.out luacov.report.out
+
+cleanbins:
+	@echo "CLEAN: local binaries and modules"
+	@$(RM) $(LOCAL_BINS) $(LOCAL_MODS)
 	@echo "CLEAN: test binaries"
 	@$(RM) $(TEST_BINS)
 
 distclean: clean
 	@find . -name "*~" -delete
 
-bin/%: bin/%.in $(GEN_BIN)
-	$(call GEN_LOCAL_BIN,$<,$@)
+bin/%: bin/%.in $(GEN_BIN) FORCE
+	@$(call GEN_LOCAL_BIN,$<,$@)
 
-testing/%: testing/%.in $(GEN_BIN)
-	$(call GEN_LOCAL_BIN,$<,$@)
+testing/%: testing/%.in $(GEN_BIN) FORCE
+	@$(call GEN_LOCAL_BIN,$<,$@)
+
+lib/gitano/%.lua: lib/gitano/%.lua.in $(GEN_BIN) FORCE
+	@$(call GEN_LOCAL_MOD,$<,$@)
+
+FORCE:
+.PHONY: FORCE
 
 install: install-bins install-lib-bins install-mods install-skel install-man install-plugins install-lang
 
@@ -242,3 +282,11 @@ testing/%: testing/%.in $(GEN_BIN)
 	$(call GEN_LOCAL_BIN,$<,$@)
 
 check: test
+
+coverage-report:
+	@echo "COVERAGE: Merge stats..."
+	@env LUA_PATH="$(shell pwd)/extras/luacov/src/?.lua;;" $(LUA) utils/merge-luacov-stats .coverage/luacov.stats-*.out
+	@echo "COVERAGE: Generate report..."
+	@env LUA_PATH="$(shell pwd)/extras/luacov/src/?.lua;;" $(LUA) extras/luacov/src/bin/luacov
+	@echo "COVERAGE: Summary:"
+	@sed '0,/^Summary/d' < luacov.report.out | tail -n +2 | sed -e's/^/COVERAGE: /'