# Runs the cgit test suite. Every t[0-9][0-9][0-9][0-9]-*.sh script beside this
# file is a self-contained test built on the test library in the bundled Git
# tree, so all that is needed here is a shell to run each one under and a way
# to pass extra options along. The top-level Makefile reaches this through its
# test target, once cgit and the Git tree it links against have been built.

.DEFAULT_GOAL := all
.SUFFIXES:

# Git's platform detection names a shell only for the few systems whose /bin/sh
# cannot run the tests, such as SunOS and UnixWare, and cgit.conf may name one
# too, so both are read before anything below uses SHELL_PATH. Elsewhere it is
# the /bin/sh make runs recipes with.
include ../vendor/git/config.mak.uname
-include ../cgit.conf

SHELL_PATH ?= $(SHELL)

# Escaped for the single quotes that the recipe below puts around the path.
SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))

TESTS = $(sort $(wildcard t[0-9][0-9][0-9][0-9]-*.sh))

# A failing script would stop make and leave every later one unrun, so the
# scripts run in a make of their own that keeps going, and the summary fails
# the run once all of them have had their turn. make test rebuilds with the
# flags on its own command line, so the run first names the compiler and the
# flags the build used, which Git records ahead of its own -I., and any
# sanitizers, which it adds after.
.PHONY: all
all:
	@sed -e 's/ -I\. .* \(-fsanitize=[^ ]*\) .*/ \1/' -e 's/ -I\. .*//' \
		-e 's/^\([^:]*\): */testing cgit as built by \1 with /' \
		../vendor/git/GIT-CFLAGS
	@$(MAKE) -k $(TESTS) || :
	@'$(SHELL_PATH_SQ)' aggregate-results.sh $(TESTS)

# Counts left by a script since renamed or removed would otherwise reach the
# summary. The directory is made at once, as a script that stops early writes
# nothing there itself.
.PHONY: pre-clean
pre-clean:
	@$(RM) -r test-results && mkdir test-results

# Each test is named after a file that already exists, so without this make
# would decide there is nothing to do and run none of them. The exit status
# is kept for the summary, since a script can fail without a failed test.
.PHONY: $(TESTS)
$(TESTS): pre-clean
	@'$(SHELL_PATH_SQ)' $@ $(CGIT_TEST_OPTS); \
	status=$$?; echo $$status >test-results/$(@:.sh=.exit); exit $$status

# A script stopped by -i or --debug inside a test that takes permissions
# away can leave a directory that rm cannot descend into.
.PHONY: clean
clean:
	@if test -d trash; then chmod -R u+rwx trash; fi
	$(RM) -r trash test-results