git/t/Makefile

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Makefile
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# Run tests
#
# Copyright (c) 2005 Junio C Hamano
#
-include ../config.mak.autogen
-include ../config.mak
#GIT_TEST_OPTS = --verbose --debug
SHELL_PATH ?= $(SHELL)
PERL_PATH ?= /usr/bin/perl
TAR ?= $(TAR)
RM ?= rm -f
PROVE ?= prove
DEFAULT_TEST_TARGET ?= test
TEST_LINT ?= test-lint
ifdef TEST_OUTPUT_DIRECTORY
TEST_RESULTS_DIRECTORY = $(TEST_OUTPUT_DIRECTORY)/test-results
else
TEST_RESULTS_DIRECTORY = test-results
endif
# Shell quote;
SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
PERL_PATH_SQ = $(subst ','\'',$(PERL_PATH))
TEST_RESULTS_DIRECTORY_SQ = $(subst ','\'',$(TEST_RESULTS_DIRECTORY))
T = $(sort $(wildcard t[0-9][0-9][0-9][0-9]-*.sh))
TGITWEB = $(sort $(wildcard t95[0-9][0-9]-*.sh))
THELPERS = $(sort $(filter-out $(T),$(wildcard *.sh)))
all: $(DEFAULT_TEST_TARGET)
test: pre-clean $(TEST_LINT)
$(MAKE) aggregate-results-and-cleanup
t/Makefile: add a rule to re-run previously-failed tests This patch automates the process of determining which tests failed previously and re-running them. While developing patch series, it is a good practice to run the test suite from time to time, just to make sure that obvious bugs are caught early. With complex patch series, it is common to run `make -j15 -k test`, i.e. run the tests in parallel and *not* stop at the first failing test but continue. This has the advantage of identifying possibly multiple problems in one big test run. It is particularly important to reduce the turn-around time thusly on Windows, where the test suite spends 45 minutes on the computer on which this patch was developed. It is the most convenient way to determine which tests failed after running the entire test suite, in parallel, to look for left-over "trash directory.t*" subdirectories in the t/ subdirectory. However, those directories might live outside t/ when overridden using the --root=<directory> option, to which the Makefile has no access. The next best method is to grep explicitly for failed tests in the test-results/ directory, which the Makefile *can* access. Please note that the often-recommended `prove` tool requires Perl, and that opens a whole new can of worms on Windows. As no native Windows Perl comes with Subversion bindings, we have to use a Perl in Git for Windows that uses the POSIX emulation layer named MSYS2 (which is a portable version of Cygwin). When using this emulation layer under stress, e.g. when running massively-parallel tests, unexplicable crashes occur quite frequently, and instead of having a solution to the original problem, the developer now has an additional, quite huge problem. For that reason, this developer rejected `prove` as a solution and went with this patch instead. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-27 20:21:30 +03:00
failed:
@failed=$$(cd '$(TEST_RESULTS_DIRECTORY_SQ)' && \
grep -l '^failed [1-9]' *.counts | \
sed -n 's/\.counts$$/.sh/p') && \
test -z "$$failed" || $(MAKE) $$failed
prove: pre-clean $(TEST_LINT)
@echo "*** prove ***"; $(PROVE) --exec '$(SHELL_PATH_SQ)' $(GIT_PROVE_OPTS) $(T) :: $(GIT_TEST_OPTS)
$(MAKE) clean-except-prove-cache
$(T):
@echo "*** $@ ***"; '$(SHELL_PATH_SQ)' $@ $(GIT_TEST_OPTS)
pre-clean:
$(RM) -r '$(TEST_RESULTS_DIRECTORY_SQ)'
clean-except-prove-cache:
$(RM) -r 'trash directory'.* '$(TEST_RESULTS_DIRECTORY_SQ)'
$(RM) -r valgrind/bin
clean: clean-except-prove-cache
$(RM) .prove
test-lint: test-lint-duplicates test-lint-executable test-lint-shell-syntax \
test-lint-filenames
test-lint-duplicates:
@dups=`echo $(T) | tr ' ' '\n' | sed 's/-.*//' | sort | uniq -d` && \
test -z "$$dups" || { \
echo >&2 "duplicate test numbers:" $$dups; exit 1; }
test-lint-executable:
@bad=`for i in $(T); do test -x "$$i" || echo $$i; done` && \
test -z "$$bad" || { \
echo >&2 "non-executable tests:" $$bad; exit 1; }
test-lint-shell-syntax:
@'$(PERL_PATH_SQ)' check-non-portable-shell.pl $(T) $(THELPERS)
test-lint-filenames:
@# We do *not* pass a glob to ls-files but use grep instead, to catch
@# non-ASCII characters (which are quoted within double-quotes)
@bad="$$(git -c core.quotepath=true ls-files 2>/dev/null | \
grep '["*:<>?\\|]')"; \
test -z "$$bad" || { \
echo >&2 "non-portable file name(s): $$bad"; exit 1; }
aggregate-results-and-cleanup: $(T)
$(MAKE) aggregate-results
$(MAKE) clean
aggregate-results:
for f in '$(TEST_RESULTS_DIRECTORY_SQ)'/t*-*.counts; do \
echo "$$f"; \
done | '$(SHELL_PATH_SQ)' ./aggregate-results.sh
gitweb-test:
$(MAKE) $(TGITWEB)
valgrind:
$(MAKE) GIT_TEST_OPTS="$(GIT_TEST_OPTS) --valgrind"
Introduce a performance testing framework This introduces a performance testing framework under t/perf/. It tries to be as close to the test-lib.sh infrastructure as possible, and thus should be easy to get used to for git developers. The following points were considered for the implementation: 1. You usually want to compare arbitrary revisions/build trees against each other. They may not have the performance test under consideration, or even the perf-lib.sh infrastructure. To cope with this, the 'run' script lets you specify arbitrary build dirs and revisions. It even automatically builds the revisions if it doesn't have them at hand yet. 2. Usually you would not want to run all tests. It would take too long anyway. The 'run' script lets you specify which tests to run; or you can also do it manually. There is a Makefile for discoverability and 'make clean', but it is not meant for real-world use. 3. Creating test repos from scratch in every test is extremely time-consuming, and shipping or downloading such large/weird repos is out of the question. We leave this decision to the user. Two different sizes of test repos can be configured, and the scripts just copy one or more of those (using hardlinks for the object store). By default it tries to use the build tree's git.git repository. This is fairly fast and versatile. Using a copy instead of a clone preserves many properties that the user may want to test for, such as lots of loose objects, unpacked refs, etc. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-17 14:25:09 +04:00
perf:
$(MAKE) -C perf/ all
.PHONY: pre-clean $(T) aggregate-results clean valgrind perf