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- # Copyright (c) 2016, Loïc Hoguin <essen@ninenines.eu>
- # Copyright (c) 2015, Viktor Söderqvist <viktor@zuiderkwast.se>
- # This file is part of erlang.mk and subject to the terms of the ISC License.
- COVER_REPORT_DIR = cover
- # Hook in coverage to ct
- ifdef COVER
- ifdef CT_RUN
- # All modules in 'ebin'
- COVER_MODS = $(notdir $(basename $(call core_ls,ebin/*.beam)))
- test-build:: $(TEST_DIR)/ct.cover.spec
- $(TEST_DIR)/ct.cover.spec:
- $(verbose) echo Cover mods: $(COVER_MODS)
- $(gen_verbose) printf "%s\n" \
- '{incl_mods,[$(subst $(space),$(comma),$(COVER_MODS))]}.' \
- '{export,"$(CURDIR)/ct.coverdata"}.' > $@
- CT_RUN += -cover $(TEST_DIR)/ct.cover.spec
- endif
- endif
- # Core targets
- ifdef COVER
- ifneq ($(COVER_REPORT_DIR),)
- tests::
- $(verbose) $(MAKE) --no-print-directory cover-report
- endif
- endif
- clean:: coverdata-clean
- ifneq ($(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 {eunit,ct}.coverdata into one coverdata file." \
- "" \
- "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 = $(filter-out all.coverdata,$(wildcard *.coverdata))
- .PHONY: coverdata-clean
- coverdata-clean:
- $(gen_verbose) rm -f *.coverdata ct.cover.spec
- # Merge all coverdata files into one.
- all.coverdata: $(COVERDATA)
- $(gen_verbose) $(ERL) -eval ' \
- $(foreach f,$(COVERDATA),cover:import("$(f)") == ok orelse halt(1),) \
- cover:export("$@"), halt(0).'
- # 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 $(COVER_REPORT_DIR)
- ifeq ($(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 -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, "<!DOCTYPE html><html>~n"
- "<head><meta charset=\"UTF-8\">~n"
- "<title>Coverage report</title></head>~n"
- "<body>~n", []),
- io:format(F, "<h1>Coverage</h1>~n<p>Total: ~p%</p>~n", [TotalPerc]),
- io:format(F, "<table><tr><th>Module</th><th>Coverage</th></tr>~n", []),
- [io:format(F, "<tr><td><a href=\"~p.COVER.html\">~p</a></td>"
- "<td>~p%</td></tr>~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, "</table>~n"
- "<p>Generated using ~s and erlang.mk on ~s.</p>~n"
- "</body></html>", [How, Date]),
- halt().
- endef
- cover-report:
- $(gen_verbose) mkdir -p $(COVER_REPORT_DIR)
- $(gen_verbose) $(call erlang,$(cover_report.erl))
- endif
- endif # ifneq ($(COVER_REPORT_DIR),)
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