# Copyright (c) 2016, Loïc Hoguin # Copyright (c) 2015, Viktor Söderqvist # This file is part of erlang.mk and subject to the terms of the ISC License. COVER_REPORT_DIR ?= cover COVER_DATA_DIR ?= $(CURDIR) # Hook in coverage to ct ifdef COVER ifdef CT_RUN ifneq ($(wildcard $(TEST_DIR)),) test-build:: $(TEST_DIR)/ct.cover.spec $(TEST_DIR)/ct.cover.spec: cover-data-dir $(gen_verbose) printf "%s\n" \ "{incl_app, '$(PROJECT)', details}." \ '{export,"$(abspath $(COVER_DATA_DIR))/ct.coverdata"}.' > $@ CT_RUN += -cover $(TEST_DIR)/ct.cover.spec endif endif endif # Core targets ifdef COVER ifneq ($(COVER_REPORT_DIR),) tests:: $(verbose) $(MAKE) --no-print-directory cover-report endif cover-data-dir: | $(COVER_DATA_DIR) $(COVER_DATA_DIR): $(verbose) mkdir -p $(COVER_DATA_DIR) else cover-data-dir: endif clean:: coverdata-clean ifneq ($(COVER_REPORT_DIR),) distclean:: cover-report-clean endif help:: $(verbose) printf "%s\n" "" \ "Cover targets:" \ " cover-report Generate a HTML coverage report from previously collected" \ " cover data." \ " all.coverdata Merge all coverdata files into all.coverdata." \ "" \ "If COVER=1 is set, coverage data is generated by the targets eunit and ct. The" \ "target tests additionally generates a HTML coverage report from the combined" \ "coverdata files from each of these testing tools. HTML reports can be disabled" \ "by setting COVER_REPORT_DIR to empty." # Plugin specific targets COVERDATA = $(filter-out $(COVER_DATA_DIR)/all.coverdata,$(wildcard $(COVER_DATA_DIR)/*.coverdata)) .PHONY: coverdata-clean coverdata-clean: $(gen_verbose) rm -f $(COVER_DATA_DIR)/*.coverdata $(TEST_DIR)/ct.cover.spec # Merge all coverdata files into one. define cover_export.erl $(foreach f,$(COVERDATA),cover:import("$(f)") == ok orelse halt(1),) cover:export("$(COVER_DATA_DIR)/$@"), halt(0). endef all.coverdata: $(COVERDATA) cover-data-dir $(gen_verbose) $(call erlang,$(cover_export.erl)) # These are only defined if COVER_REPORT_DIR is non-empty. Set COVER_REPORT_DIR to # empty if you want the coverdata files but not the HTML report. ifneq ($(COVER_REPORT_DIR),) .PHONY: cover-report-clean cover-report cover-report-clean: $(gen_verbose) rm -rf $(COVER_REPORT_DIR) $(if $(shell ls -A $(COVER_DATA_DIR)/),,$(verbose) rmdir $(COVER_DATA_DIR)) ifeq ($(COVERDATA),) cover-report: else # Modules which include eunit.hrl always contain one line without coverage # because eunit defines test/0 which is never called. We compensate for this. EUNIT_HRL_MODS = $(subst $(space),$(comma),$(shell \ grep -H -e '^\s*-include.*include/eunit\.hrl"' src/*.erl \ | sed "s/^src\/$.*$\.erl:.*/'\1'/" | uniq)) define cover_report.erl $(foreach f,$(COVERDATA),cover:import("$(f)") == ok orelse halt(1),) Ms = cover:imported_modules(), [cover:analyse_to_file(M, "$(COVER_REPORT_DIR)/" ++ atom_to_list(M) ++ ".COVER.html", [html]) || M <- Ms], Report = [begin {ok, R} = cover:analyse(M, module), R end || M <- Ms], EunitHrlMods = [$(EUNIT_HRL_MODS)], Report1 = [{M, {Y, case lists:member(M, EunitHrlMods) of true -> N - 1; false -> N end}} || {M, {Y, N}} <- Report], TotalY = lists:sum([Y || {_, {Y, _}} <- Report1]), TotalN = lists:sum([N || {_, {_, N}} <- Report1]), Perc = fun(Y, N) -> case Y + N of 0 -> 100; S -> round(100 * Y / S) end end, TotalPerc = Perc(TotalY, TotalN), {ok, F} = file:open("$(COVER_REPORT_DIR)/index.html", [write]), io:format(F, "~n" "~n" "Coverage report~n" "~n", []), io:format(F, "

Coverage

Total: ~p%

~n", [TotalPerc]), io:format(F, "~n", []), [io:format(F, "" "~n", [M, M, Perc(Y, N)]) || {M, {Y, N}} <- Report1], How = "$(subst $(space),$(comma)$(space),$(basename $(COVERDATA)))", Date = "$(shell date -u "+%Y-%m-%dT%H:%M:%SZ")", io:format(F, "

Module	Coverage
~p	~p%

~n" "

Generated using ~s and erlang.mk on ~s.

~n" "", [How, Date]), halt(). endef cover-report: $(verbose) mkdir -p $(COVER_REPORT_DIR) $(gen_verbose) $(call erlang,$(cover_report.erl)) endif endif # ifneq ($(COVER_REPORT_DIR),)