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2012-11-19Merge branch 'jc/test-say-color-avoid-echo-escape' into maintJunio C Hamano
The "say" function in the test scaffolding incorrectly allowed "echo" to interpret "\a" as if it were a C-string asking for a BEL output. * jc/test-say-color-avoid-echo-escape: test-lib: Fix say_color () not to interpret \a\b\c in the message
2012-10-11test-lib: Fix say_color () not to interpret \a\b\c in the messageJunio C Hamano
When running with color disabled (e.g. under prove to produce TAP output), say_color() helper function is defined to use echo to show the message. With a message that ends with "\c", echo is allowed to interpret it as "Do not end the line with LF". Use printf "%s\n" to emit the message literally. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-01Merge branch 'ep/malloc-check-perturb'Junio C Hamano
Fixes a brown-paper bag bug. * ep/malloc-check-perturb: MALLOC_CHECK: enable it, unless disabled explicitly
2012-09-30Merge branch 'rr/test-use-shell-path-not-shell'Junio C Hamano
Fixes a brown-paper bag bug. * rr/test-use-shell-path-not-shell: test-lib: use $SHELL_PATH, not $SHELL
2012-09-27MALLOC_CHECK: enable it, unless disabled explicitlyRené Scharfe
The malloc checks in tests are currently disabled. Actually evaluate the variable for turning them off and enable them if it's unset. Also use this opportunity to give it the more descriptive and consistent name TEST_NO_MALLOC_CHECK. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-25Merge branch 'rr/test-make-sure-we-have-git'Junio C Hamano
Only the first test t0000 in the test suite made sure we have built Git to be tested; move the check to test-lib so that it applies to all tests equally. * rr/test-make-sure-we-have-git: t/test-lib: make sure Git has already been built
2012-09-25test-lib: use $SHELL_PATH, not $SHELLRamkumar Ramachandra
The codepath for handling "--tee" ends up relaunching the test script under a shell, and that one has to be a Bourne. But we incorrectly used $SHELL, which could be a non-Bourne (e.g. zsh or csh); we have the Makefile variable $SHELL_PATH for exactly that, so use it instead. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-19t/test-lib: make sure Git has already been builtRamkumar Ramachandra
When tests were run without building git, they stopped with: .: 54: Can't open /path/to/git/source/t/../GIT-BUILD-OPTIONS Move the check that makes sure that git has already been built from t0000 to test-lib, so that any test will do so before it runs. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-18MALLOC_CHECK: various clean-upsJunio C Hamano
The most important in this change is to avoid affecting anything when test-lib is used from perf-lib. It also limits the effect of the MALLOC_CHECK only to what is run inside the actual test, and uses a fixed MALLOC_PERTURB_ in order to avoid hurting repeatability of the tests. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-15Add MALLOC_CHECK_ and MALLOC_PERTURB_ libc env to the test suite for ↵Elia Pinto
detecting heap corruption Recent versions of Linux libc (later than 5.4.23) and glibc (2.x) include a malloc() implementation which is tunable via environment variables. When MALLOC_CHECK_ is set, a special (less efficient) implementation is used which is designed to be tolerant against simple errors, such as double calls of free() with the same argument, or overruns of a single byte (off-by-one bugs). When MALLOC_CHECK_ is set to 3, a diagnostic message is printed on stderr and the program is aborted. Setting the MALLOC_PERTURB_ environment variable causes the malloc functions in libc to return memory which has been wiped and clear memory when it is returned. Of course this does not affect calloc which always does clear the memory. The reason for this exercise is, of course, to find code which uses memory returned by malloc without initializing it and code which uses code after it is freed. valgrind can do this but it's costly to run. The MALLOC_PERTURB_ exchanges the ability to detect problems in 100% of the cases with speed. The byte value used to initialize values returned by malloc is the byte value of the environment value. The value used to clear memory is the bitwise inverse. Setting MALLOC_PERTURB_ to zero disables the feature. This technique can find hard to detect bugs. It is therefore suggested to always use this flag (at least temporarily) when testing out code or a new distribution. But the test suite can use also valgrind(memcheck) via 'make valgrind' or 'make GIT_TEST_OPTS="--valgrind"'. Memcheck wraps client calls to malloc(), and puts a "red zone" on each end of each block in order to detect access overruns. Memcheck already detects double free() (up to the limit of the buffer which remembers pending free()). Thus memcheck subsumes all the documented coverage of MALLOC_CHECK_. If MALLOC_CHECK_ is set non-zero when running memcheck, then the overruns that might be detected by MALLOC_CHECK_ would be overruns on the wrapped blocks which include the red zones. Thus MALLOC_CHECK_ would be checking memcheck, and not the client. This is not useful, and actually is wasteful. The only possible [documented] advantage of using MALLOC_CHECK_ and memcheck together, would be if MALLOC_CHECK_ detected duplicate free() in more cases than memcheck because memcheck's buffer is too small. Therefore we don't use MALLOC_CHECK_ and valgrind(memcheck) at the same time. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-14Merge branch 'rj/tap-fix'Junio C Hamano
* rj/tap-fix: test-lib.sh: Suppress the "passed all ..." message if no tests run test-lib.sh: Add check for invalid use of 'skip_all' facility test-lib.sh: Fix some shell coding style violations t4016-*.sh: Skip all tests rather than each test t3902-*.sh: Skip all tests rather than each test t3300-*.sh: Fix a TAP parse error
2012-09-03test-lib.sh: Suppress the "passed all ..." message if no tests runRamsay Jones
If a test script issues a test_done without executing any tests, for example when using the 'skip_all' facility, the output looks something like this: $ ./t9159-git-svn-no-parent-mergeinfo.sh # passed all 0 test(s) 1..0 # SKIP skipping git svn tests, svn not found $ The "passed all 0 test(s)" comment line, while correct, looks a little strange. Add a check to suppress this message if no tests have actually been run. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-03test-lib.sh: Add check for invalid use of 'skip_all' facilityRamsay Jones
The 'skip_all' facility cannot be used after one or more tests have been executed using (for example) 'test_expect_success'. To do so results in invalid TAP output, which leads to 'prove' complaining of "Parse errors: No plan found in TAP output". Add a check for such invalid usage and abort the test with an error message to alert the test author. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-03test-lib.sh: Fix some shell coding style violationsRamsay Jones
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-27test-lib: provide UTF8 behaviour as a prerequisiteMichael J Gruber
UTF8 behaviour of the filesystem (conversion from nfd to nfc) plays a role in several tests and is tested in several tests. Therefore, move the test from t0050 into the test lib and use the prerequisite in t0050. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-27test-lib: provide case insensitivity as a prerequisiteMichael J Gruber
Case insensitivity plays a role in several tests and is tested in several tests. Therefore, move the test from t003 into the test lib and use the prerequisite in t0003. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-27test: allow prerequisite to be evaluated lazilyJunio C Hamano
The test prerequisite mechanism is a useful way to allow some tests in a test script to be skipped in environments that do not support certain features (e.g. it is pointless to attempt checking how well symbolic links are handled by Git on filesystems that do not support them). It is OK for commonly used prerequisites to be always tested during start-up of a test script by having a codeblock that tests a feature and calls test_set_prereq, but for an uncommon feature, forcing 90% of scripts to pay the same probing overhead for prerequisite they do not care about is wasteful. Introduce a mechanism to probe the prerequiste lazily. Changes are: - test_lazy_prereq () function, which takes the name of the prerequisite it probes and the script to probe for it, is added. This only registers the name of the prerequiste that can be lazily probed and the script to eval (without running). - test_have_prereq() function (which is used by test_expect_success and also can be called directly by test scripts) learns to look at the list of prerequisites that can be lazily probed, and the prerequisites that have already been probed that way. When asked for a prerequiste that can be but haven't been probed, the script registered with an earlier call to test_lazy_prereq is evaluated and the prerequisite is set. - test_run_lazy_prereq_() function is a helper to run the probe script with the same kind of sandbox as regular tests, helped by Jeff King. Update the codeblock to probe and set SYMLINKS prerequisite using the new mechanism as an example. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-26Merge branch 'jc/test-lib-source-build-options-early'Junio C Hamano
Reorders t/test-lib.sh so that we dot-source GIT-BUILD-OPTIONS that records the shell and Perl the user told us to use with Git a lot early, so that test-lib.sh script itself can use "$PERL_PATH" in one of its early operations. * jc/test-lib-source-build-options-early: test-lib: reorder and include GIT-BUILD-OPTIONS a lot earlier
2012-07-26Merge branch 'mm/config-xdg'Junio C Hamano
Finishing touches to the XDG support (new feature for 1.7.12) and tests. * mm/config-xdg: t1306: check that XDG_CONFIG_HOME works ignore: make sure we have an xdg path before using it attr: make sure we have an xdg path before using it test-lib.sh: unset XDG_CONFIG_HOME
2012-07-24test-lib.sh: unset XDG_CONFIG_HOMEJeff King
Now that git respects XDG_CONFIG_HOME for some lookups, we must be sure to cleanse the test environment. Otherwise, the user's XDG_CONFIG_HOME could influence the test results. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-25test-lib: reorder and include GIT-BUILD-OPTIONS a lot earlierJunio C Hamano
This dot-sources GIT-BUILD-OPTIONS a lot earlier in test-lib.sh so that its use of "perl" can use "$PERL_PATH" to choose the version of Perl the user told us is suitable for our use. This is iffy; I didn't check it very carefully, and I would not be surprised if there are subtle breakages. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-25t/test-lib.sh: export PERL_PATH for use in scriptsJunio C Hamano
Most notably, t4031 creates a small shell script that invokes perl and we want to use "$PERL_PATH" to name the version of Perl suitable for our use, read from GIT-BUILD-OPTS. The test would fail when it is directly run in t/ directory from the shell or "make" is run in t/ directory. This problem was hidden from "make test" run in the top-level directory, because its Makefile exports PERL_PATH. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-03Merge branch 'zj/mksh-columns-breakage'Junio C Hamano
A broken shell may not let us set an environment value to an arbitrary value, interfering with some of the tests. Introduce a test prerequisite so that we can skip some tests on such a platform. By Zbigniew Jędrzejewski-Szmek * zj/mksh-columns-breakage: test-lib: skip test with COLUMNS=1 under mksh
2012-04-27test-lib: skip test with COLUMNS=1 under mkshZbigniew Jędrzejewski-Szmek
mksh does not allow $COLUMNS to be set below 12. mksh(1) says that $COLUMNS is "always set, defaults to 80, unless the value as reported by stty(1) is non-zero and sane enough". This applies also to setting it directly for one command: $ COLUMNS=10 python -c 'import os; print os.environ["COLUMNS"]' 98 Add a test prerequisite by checking if we can set COLUMNS=1, to allow us to skip tests that needs it. Signed-off-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-27tests: unset COLUMNS inherited from environmentZbigniew Jędrzejewski-Szmek
$COLUMNS must be unset to not interfere with the tests. The tests already ignore the terminal size because output is redirected to a file, but COLUMNS overrides terminal size detection and changes the test output away from the standard 80. Reported-by: Jeff King <peff@peff.net> Signed-off-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-05Merge branch 'maint'Junio C Hamano
* maint: Update draft release notes to 1.7.9.3 for the last time http.proxy: also mention https_proxy and all_proxy t0300: work around bug in dash 0.5.6 t5512 (ls-remote): modernize style tests: fix spurious error when run directly with Solaris /usr/xpg4/bin/sh
2012-03-03tests: fix spurious error when run directly with Solaris /usr/xpg4/bin/shStefano Lattarini
If any test script is run directly with Solaris 10 /usr/xpg4/bin/sh or /bin/ksh, it fails spuriously with a message like: t0000-basic.sh[31]: unset: bad argument count This happens because those shells bail out when encountering a call to "unset" with no arguments, and such unset call could take place in 'test-lib.sh'. Fix that issue, and add a proper comment to ensure we don't regress in this respect. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-17Introduce a performance testing frameworkThomas Rast
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>
2012-02-17Move the user-facing test library to test-lib-functions.shThomas Rast
This just moves all the user-facing functions to a separate file and sources that instead. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-11Merge branch 'jk/tests-write-script'Junio C Hamano
* jk/tests-write-script: t0300: use write_script helper tests: add write_script helper function
2012-02-04tests: add write_script helper functionJunio C Hamano
Many of the scripts in the test suite write small helper shell scripts to disk. It's best if these shell scripts start with "#!$SHELL_PATH" rather than "#!/bin/sh", because /bin/sh on some platforms is too buggy to be used. However, it can be cumbersome to expand $SHELL_PATH, because the usual recipe for writing a script is: cat >foo.sh <<-\EOF #!/bin/sh echo my arguments are "$@" EOF To expand $SHELL_PATH, you have to either interpolate the here-doc (which would require quoting "\$@"), or split the creation into two commands (interpolating the $SHELL_PATH line, but not the rest of the script). Let's provide a helper function that makes that less syntactically painful. While we're at it, this helper can also take care of the "chmod +x" that typically comes after the creation of such a script, saving the caller a line. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-01Merge branch 'jc/pull-signed-tag'Junio C Hamano
* jc/pull-signed-tag: merge: use editor by default in interactive sessions Conflicts: Documentation/merge-options.txt
2012-01-24merge: use editor by default in interactive sessionsJunio C Hamano
Traditionally, a cleanly resolved merge was committed by "git merge" using the auto-generated merge commit log message without invoking the editor. After 5 years of use in the field, it turns out that people perform too many unjustified merges of the upstream history into their topic branches. These merges are not just useless, but they are often not explained well, and making the end result unreadable when it gets time for merging their history back to their upstream. Earlier we added the "--edit" option to the command, so that people can edit the log message to explain and justify their merge commits. Let's take it one step further and spawn the editor by default when we are in an interactive session (i.e. the standard input and the standard output are pointing at the same tty device). There may be existing scripts that leave the standard input and the standard output of the "git merge" connected to whatever environment the scripts were started, and such invocation might trigger the above "interactive session" heuristics. GIT_MERGE_AUTOEDIT environment variable can be set to "no" at the beginning of such scripts to use the historical behaviour while the script runs. Note that this backward compatibility is meant only for scripts, and we deliberately do *not* support "merge.edit = yes/no/auto" configuration option to allow people to keep the historical behaviour. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-18test-lib: add the test_pause convenience functionJens Lehmann
Since 781f76b15 (test-lib: redirect stdin of tests) you can't simply put a "bash &&" into a test for debugging purposes anymore. Instead you'll have to use "bash <&6 >&3 2>&4". As that invocation is not that easy to remember add the test_pause convenience function. It invokes "$SHELL_PATH" to provide a sane shell for the user. This function also checks if the -v flag is given and will error out if that is not the case instead of letting the test hang until ^D is pressed. Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-22Merge branch 'jk/maint-do-not-feed-stdin-to-tests'Junio C Hamano
* jk/maint-do-not-feed-stdin-to-tests: test-lib: redirect stdin of tests
2011-12-20Merge branch 'ab/enable-i18n'Junio C Hamano
* ab/enable-i18n: i18n: add infrastructure for translating Git with gettext Conflicts: Makefile
2011-12-15test-lib: redirect stdin of testsJeff King
We want to run tests in a predictable, sterile environment so we can get repeatable results. They should take as little input as possible from the environment outside the test script. We already sanitize environment variables, but leave stdin untouched. This means that scripts can accidentally be impacted by content on stdin, or whether stdin isatty(). Furthermore, scripts reading from stdin can be annoying to outer loops which care about their stdin offset, like: while read sha1; do make test done A test which accidentally reads stdin would soak up all of the rest of the input intended for the outer shell loop. Let's redirect stdin from /dev/null, which solves both of these problems. It won't detect tests accidentally reading from stdin, but since doing so now gives a deterministic result, we don't need to consider that an error. We'll also leave file descriptor 6 as a link to the original stdin. Tests shouldn't need to look at this, but it can be convenient for inserting interactive commands while debugging tests (e.g., you could insert "bash <&6 >&3 2>&4" to run interactive commands in the environment of the test script). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12test-lib: add test_config_global variantJeff King
The point of test_config is to simultaneously set a config variable and register its cleanup handler, like: test_config core.foo bar However, it stupidly assumes that $1 contained the name of the variable, which means it won't work for: test_config --global core.foo bar We could try to parse the command-line ourselves and figure out which parts need to be fed to test_unconfig. But since this is likely the most common variant, it's much simpler and less error-prone to simply add a new function. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-06i18n: add infrastructure for translating Git with gettextÆvar Arnfjörð Bjarmason
Change the skeleton implementation of i18n in Git to one that can show localized strings to users for our C, Shell and Perl programs using either GNU libintl or the Solaris gettext implementation. This new internationalization support is enabled by default. If gettext isn't available, or if Git is compiled with NO_GETTEXT=YesPlease, Git falls back on its current behavior of showing interface messages in English. When using the autoconf script we'll auto-detect if the gettext libraries are installed and act appropriately. This change is somewhat large because as well as adding a C, Shell and Perl i18n interface we're adding a lot of tests for them, and for those tests to work we need a skeleton PO file to actually test translations. A minimal Icelandic translation is included for this purpose. Icelandic includes multi-byte characters which makes it easy to test various edge cases, and it's a language I happen to understand. The rest of the commit message goes into detail about various sub-parts of this commit. = Installation Gettext .mo files will be installed and looked for in the standard $(prefix)/share/locale path. GIT_TEXTDOMAINDIR can also be set to override that, but that's only intended to be used to test Git itself. = Perl Perl code that's to be localized should use the new Git::I18n module. It imports a __ function into the caller's package by default. Instead of using the high level Locale::TextDomain interface I've opted to use the low-level (equivalent to the C interface) Locale::Messages module, which Locale::TextDomain itself uses. Locale::TextDomain does a lot of redundant work we don't need, and some of it would potentially introduce bugs. It tries to set the $TEXTDOMAIN based on package of the caller, and has its own hardcoded paths where it'll search for messages. I found it easier just to completely avoid it rather than try to circumvent its behavior. In any case, this is an issue wholly internal Git::I18N. Its guts can be changed later if that's deemed necessary. See <AANLkTilYD_NyIZMyj9dHtVk-ylVBfvyxpCC7982LWnVd@mail.gmail.com> for a further elaboration on this topic. = Shell Shell code that's to be localized should use the git-sh-i18n library. It's basically just a wrapper for the system's gettext.sh. If gettext.sh isn't available we'll fall back on gettext(1) if it's available. The latter is available without the former on Solaris, which has its own non-GNU gettext implementation. We also need to emulate eval_gettext() there. If neither are present we'll use a dumb printf(1) fall-through wrapper. = About libcharset.h and langinfo.h We use libcharset to query the character set of the current locale if it's available. I.e. we'll use it instead of nl_langinfo if HAVE_LIBCHARSET_H is set. The GNU gettext manual recommends using langinfo.h's nl_langinfo(CODESET) to acquire the current character set, but on systems that have libcharset.h's locale_charset() using the latter is either saner, or the only option on those systems. GNU and Solaris have a nl_langinfo(CODESET), FreeBSD can use either, but MinGW and some others need to use libcharset.h's locale_charset() instead. =Credits This patch is based on work by Jeff Epler <jepler@unpythonic.net> who did the initial Makefile / C work, and a lot of comments from the Git mailing list, including Jonathan Nieder, Jakub Narebski, Johannes Sixt, Erik Faye-Lund, Peter Krefting, Junio C Hamano, Thomas Rast and others. [jc: squashed a small Makefile fix from Ramsay] Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-10-05Merge branch 'tr/mergetool-valgrind'Junio C Hamano
* tr/mergetool-valgrind: Symlink mergetools scriptlets into valgrind wrappers
2011-08-30Symlink mergetools scriptlets into valgrind wrappersThomas Rast
Since bc7a96a (mergetool--lib: Refactor tools into separate files, 2011-08-18) the mergetools and difftools related tests fail under --valgrind because the mergetools/* scriptlets are not in the exec path. For now, symlink the mergetools subdir into the t/valgrind/bin directory as a whole, since it does not contain anything of interest to the valgrind wrappers. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-29Merge branch 'jk/color-and-pager'Junio C Hamano
* jk/color-and-pager: want_color: automatically fallback to color.ui diff: don't load color config in plumbing config: refactor get_colorbool function color: delay auto-color decision until point of use git_config_colorbool: refactor stdout_is_tty handling diff: refactor COLOR_DIFF from a flag into an int setup_pager: set GIT_PAGER_IN_USE t7006: use test_config helpers test-lib: add helper functions for config t7006: modernize calls to unset Conflicts: builtin/commit.c parse-options.c
2011-08-24Merge branch 'rt/zlib-smaller-window'Junio C Hamano
* rt/zlib-smaller-window: test: consolidate definition of $LF Tolerate zlib deflation with window size < 32Kb
2011-08-19test-lib: add helper functions for configJeff King
There are a few common tasks when working with configuration variables in tests; this patch aims to make them a little easier to write and less error-prone. When setting a variable, you should typically make sure to clean it up after the test is finished, so as not to pollute other tests. Like: test_when_finished 'git config --unset foo.bar' && git config foo.bar baz This patch lets you just write: test_config foo.bar baz When clearing a variable that does not exist, git-config will report a specific non-zero error code. Meaning that tests which call "git config --unset" often either rely on the prior tests having actually set it, or must use test_might_fail. With this patch, the previous: test_might_fail git config --unset foo.bar becomes: test_unconfig foo.bar Not only is this easier to type, but it is more robust; it will correctly detect errors from git-config besides "key was not set". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-12test: consolidate definition of $LFJunio C Hamano
As we seem to need this variable that holds a single LF character in many places, define it in test-lib.sh and let the test scripts use it. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-08test: cope better with use of return for errorsJonathan Nieder
In olden times, tests would quietly exit the script when they failed at an inconvenient moment, which was a little disconcerting. Therefore v0.99.5~24^2~4 (Trapping exit in tests, using return for errors, 2005-08-10) switched to an idiom of using "return" instead, wrapping evaluation of test code in a function to make that safe: test_run_ () { eval >&3 2>&4 "$1" eval_ret="$?" return 0 } Years later, the implementation of test_when_finished (v1.7.1.1~95, 2010-05-02) and v1.7.2-rc2~1^2~13 (test-lib: output a newline before "ok" under a TAP harness, 2010-06-24) took advantage of test_run_ as a place to put code shared by all test assertion functions, without paying attention to the function's former purpose: test_run_ () { ... eval >&3 2>&4 "$1" eval_ret=$? if should run cleanup then eval >&3 2>&4 "$test_cleanup" fi if TAP format requires a newline here then echo fi return 0 } That means cleanup commands and the newline to put TAP output at column 0 are skipped when tests use "return" to fail early. Fix it by introducing a test_eval_ function to catch the "return", with a comment explaining the new function's purpose for the next person who might touch this code. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-08test: simplify return value of test_run_Jonathan Nieder
As v0.99.5~24^2~4 (Trapping exit in tests, using return for errors, 2005-08-10) explains, callers to test_run_ (such as test_expect_code) used to check the result from eval and the return value separately so tests that fail early could be distinguished from tests that completed normally with successful (nonzero) status. Eventually tests that succeed with nonzero status were phased out (see v1.7.4-rc0~65^2~19, 2010-10-03 and especially v1.5.5-rc0~271, 2008-02-01) but the weird two-return-value calling convention lives on. Let's get rid of it. The new rule: test_run_ succeeds (returns 0) if and only if the test succeeded. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-06-30Merge branch 'maint-1.7.5' into maintJunio C Hamano
* maint-1.7.5: test: skip clean-up when running under --immediate mode "branch -d" can remove more than one branches
2011-06-30test: skip clean-up when running under --immediate modeJunio C Hamano
Some tests try to be too careful about cleaning themselves up and do test_expect_success description ' set-up some test refs and/or configuration && test_when_finished "revert the above changes" && the real test ' Which is nice to make sure that a potential failure would not have unexpected interaction with the next test. This however interferes when "the real test" fails and we want to see what is going on, by running the test with --immediate mode and descending into its trash directory after the test stops. The precondition to run the real test and cause it to fail is all gone after the clean-up procedure defined by test_when_finished is done. Update test_run_ which is the workhorse of running a test script called from test_expect_success and test_expect_failure, so that we do not run clean-up script defined with test_when_finished when a test that is expected to succeed fails under the --immediate mode. Signed-off-by: Junio C Hamano <gitster@pobox.com> Acked-by: Jeff King <peff@peff.net>
2011-06-18tests: link shell libraries into valgrind directoryJeff King
When we run tests under valgrind, we symlink anything executable that starts with git-* or test-* into a special valgrind bin directory, and then make that our GIT_EXEC_PATH. However, shell libraries like git-sh-setup do not have the executable bit marked, and did not get symlinked. This means that any test looking for shell libraries in our exec-path would fail to find them, even though that is a fine thing to do when testing against a regular git build (or in a git install, for that matter). t2300 demonstrated this problem. The fix is to symlink these shell libraries directly into the valgrind directory. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>