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2015-05-19Merge branch 'jc/test-prereq-validate'Libravatar Junio C Hamano1-0/+9
Help us to find broken test script that splits the body part of the test by mistaken use of wrong kind of quotes. * jc/test-prereq-validate: test: validate prerequistes syntax
2015-05-05Merge branch 'ep/fix-test-lib-functions-report'Libravatar Junio C Hamano1-2/+2
* ep/fix-test-lib-functions-report: test-lib-functions.sh: fix the second argument to some helper functions
2015-04-28test: validate prerequistes syntaxLibravatar Junio C Hamano1-0/+9
Brian Carson noticed that a test piece in t5601 had a pair of single quotes in the body, which made it into 4 parameter call to test_expect_success, as if its test title were a prerequisite. As the prerequisites have a specific syntax (i.e. comma separated tokens spelled in capital letters, possibly prefixed with ! for negation), validate them to catch such a mistake in the future. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-04-16test-lib-functions.sh: fix the second argument to some helper functionsLibravatar Elia Pinto1-2/+2
The second argument to test_path_is_file and test_path_is_dir must be $2 and not $*, which instead would repeat the file name in the error message. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Reviewed-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-13Merge branch 'jc/diff-test-updates' into maintLibravatar Junio C Hamano1-1/+3
Test clean-up. * jc/diff-test-updates: test_ln_s_add: refresh stat info of fake symbolic links t4008: modernise style t/diff-lib: check exact object names in compare_diff_raw tests: do not borrow from COPYING and README from the real source t4010: correct expected object names t9300: correct expected object names t4008: correct stale comments
2015-03-05Merge branch 'jc/diff-test-updates'Libravatar Junio C Hamano1-1/+3
Test clean-up. * jc/diff-test-updates: test_ln_s_add: refresh stat info of fake symbolic links t4008: modernise style t/diff-lib: check exact object names in compare_diff_raw tests: do not borrow from COPYING and README from the real source t4010: correct expected object names t9300: correct expected object names t4008: correct stale comments
2015-02-23test_ln_s_add: refresh stat info of fake symbolic linksLibravatar Johannes Sixt1-1/+3
We have a helper function test_ln_s_add that inserts a symbolic link into the index even if the file system does not support symbolic links. There is a small flaw in the emulation path: the added entry does not pick up stat information of the fake symbolic link from the file system, as a consequence, the index is not exactly the same as for the "regular" path (where symbolic links are available). To fix this, just call git update-index again. This flaw was revealed by the earlier change that tightened compare_diff_raw(), because a test case in t4008 depends on the correctly updated index. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-21Merge branch 'da/mergetool-tests'Libravatar Junio C Hamano1-12/+18
The clean-up of this test script was long overdue and is a very welcome change. * da/mergetool-tests: test-lib-functions: adjust style to match CodingGuidelines t7610-mergetool: use test_config to isolate tests t7610-mergetool: add missing && and remove commented-out code t7610-mergetool: use tabs instead of a mix of tabs and spaces
2014-10-16test-lib-functions: adjust style to match CodingGuidelinesLibravatar David Aguilar1-12/+18
Prefer "test" over "[ ]" for conditionals. Prefer "$()" over backticks for command substitutions. Avoid control structures on a single line with semicolons. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-13t5304: use helper to report failure of "test foo = bar"Libravatar Jeff King1-0/+9
For small outputs, we sometimes use: test "$(some_cmd)" = "something we expect" instead of a full test_cmp. The downside of this is that when it fails, there is no output at all from the script. Let's introduce a small helper to make tests easier to debug. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-07-21Merge branch 'jl/submodule-tests'Libravatar Junio C Hamano1-0/+11
* jl/submodule-tests: revert: add t3513 for submodule updates stash: add t3906 for submodule updates am: add t4255 for submodule updates cherry-pick: add t3512 for submodule updates pull: add t5572 for submodule updates rebase: add t3426 for submodule updates merge: add t7613 for submodule updates bisect: add t6041 for submodule updates reset: add t7112 for submodule updates read-tree: add t1013 for submodule updates apply: add t4137 for submodule updates checkout: call the new submodule update test framework submodules: add the lib-submodule-update.sh test library test-lib: add test_dir_is_empty()
2014-06-25Merge branch 'ep/avoid-test-a-o'Libravatar Junio C Hamano1-2/+2
Update tests and scripts to avoid "test ... -a ...", which is often more error-prone than "test ... && test ...". Squashed misconversion fix-up into git-submodule.sh updates. * ep/avoid-test-a-o: git-submodule.sh: avoid "echo" path-like values git-submodule.sh: avoid "test <cond> -a/-o <cond>" t/test-lib-functions.sh: avoid "test <cond> -a/-o <cond>" t/t9814-git-p4-rename.sh: avoid "test <cond> -a/-o <cond>" t/t5538-push-shallow.sh: avoid "test <cond> -a/-o <cond>" t/t5403-post-checkout-hook.sh: avoid "test <cond> -a/-o <cond>" t/t5000-tar-tree.sh: avoid "test <cond> -a/-o <cond>" t/t4102-apply-rename.sh: avoid "test <cond> -a/-o <cond>" t/t0026-eol-config.sh: avoid "test <cond> -a/-o <cond>" t/t0025-crlf-auto.sh: avoid "test <cond> -a/-o <cond>" t/lib-httpd.sh: avoid "test <cond> -a/-o <cond>" git-rebase--interactive.sh: avoid "test <cond> -a/-o <cond>" git-mergetool.sh: avoid "test <cond> -a/-o <cond>" git-bisect.sh: avoid "test <cond> -a/-o <cond>" contrib/examples/git-resolve.sh: avoid "test <cond> -a/-o <cond>" contrib/examples/git-repack.sh: avoid "test <cond> -a/-o <cond>" contrib/examples/git-merge.sh: avoid "test <cond> -a/-o <cond>" contrib/examples/git-commit.sh: avoid "test <cond> -a/-o <cond>" contrib/examples/git-clone.sh: avoid "test <cond> -a/-o <cond>" check_bindir: avoid "test <cond> -a/-o <cond>"
2014-06-20test-lib: add test_dir_is_empty()Libravatar Jens Lehmann1-0/+11
For the upcoming submodule test framework we often need to assert that an empty directory exists in the work tree. Add the test_dir_is_empty() function which asserts that the given argument is an empty directory. Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-16Merge branch 'sk/test-cmp-bin'Libravatar Junio C Hamano1-0/+6
* sk/test-cmp-bin: t5000, t5003: do not use test_cmp to compare binary files
2014-06-16Merge branch 'mt/patch-id-stable' (early part)Libravatar Junio C Hamano1-0/+5
* 'mt/patch-id-stable' (early part): patch-id-test: test stable and unstable behaviour patch-id: make it stable against hunk reordering test doc: test_write_lines does not split its arguments test: add test_write_lines helper
2014-06-10test: add test_write_lines helperLibravatar Michael S. Tsirkin1-0/+5
API and implementation as suggested by Junio. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-09t/test-lib-functions.sh: avoid "test <cond> -a/-o <cond>"Libravatar Elia Pinto1-2/+2
The construct is error-prone; "test" being built-in in most modern shells, the reason to avoid "test <cond> && test <cond>" spawning one extra process by using a single "test <cond> -a <cond>" no longer exists. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-04t5000, t5003: do not use test_cmp to compare binary filesLibravatar Stepan Kasal1-0/+6
test_cmp() is primarily meant to compare text files (and display the difference for debug purposes). Raw "cmp" is better suited to compare binary files (tar, zip, etc.). On MinGW, test_cmp is a shell function mingw_test_cmp that tries to read both files into environment, stripping CR characters (introduced in commit 4d715ac0). This function usually speeds things up, as fork is extremly slow on Windows. But no wonder that this function is extremely slow and sometimes even crashes when comparing large tar or zip files. Signed-off-by: Stepan Kasal <kasal@ucw.cz> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-14Merge branch 'tg/index-v4-format'Libravatar Junio C Hamano1-0/+5
* tg/index-v4-format: read-cache: add index.version config variable test-lib: allow setting the index format version introduce GIT_INDEX_VERSION environment variable
2014-02-24test-lib: allow setting the index format versionLibravatar Thomas Gummerer1-0/+5
Allow adding a TEST_GIT_INDEX_VERSION variable to config.mak to set the index version with which the test suite should be run. If it isn't set, the default version given in the source code is used (currently version 3). To avoid breakages with index versions other than [23], also set the index version under which t2104 is run to 3. This test only tests functionality specific to version 2 and 3 of the index file and would fail if the test suite is run with any other version. Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-02-14tests: turn on network daemon tests by defaultLibravatar Jeff King1-0/+58
We do not run the httpd nor git-daemon tests by default, as they are rather heavyweight and require network access (albeit over localhost). However, it would be nice if more pepole ran them, for two reasons: 1. We would get more test coverage on more systems. 2. The point of the test suite is to find regressions. It is very easy to change some of the underlying code and break the httpd code without realizing you are even affecting it. Running the httpd tests helps find these problems sooner (ideally before the patches even hit the list). We still want to leave an "out", though, for people who really do not want to run them. For that reason, the GIT_TEST_HTTPD and GIT_TEST_GIT_DAEMON variables are now tri-state booleans (true/false/auto), so you can say GIT_TEST_HTTPD=false to turn the tests back off. To support those who want a stable single way to disable these tests across versions of Git before and after this change, an empty string explicitly set to these variables is also taken as "false", so the behaviour changes only for those who: a. did not express any preference by leaving these variables unset. They did not test these features before, but now they do; or b. did express that they want to test these features by setting GIT_TEST_FEATURE=false (or any equivalent other ways to tell "false" to Git, e.g. "0"), which has been a valid but funny way to say that they do want to test the feature only because we used to interpret any non-empty string to mean "yes please test". They no longer test that feature. In addition, we are forgiving of common setup failures (e.g., you do not have apache installed, or have an old version) when the tri-state is "auto" (or unset), but report an error when it is "true". This makes "auto" a sane default, as we should not cause failures on setups where the tests cannot run. But it allows people who use "true" to catch regressions in their system (e.g., they uninstalled apache, but were expecting their automated test runs to test git-httpd, and would want to be notified). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-11-26test: replace shebangs with descriptions in shell librariesLibravatar Jonathan Nieder1-1/+2
A #! line in these files is misleading, since these scriptlets are meant to be sourced with '.' (using whatever shell sources them) instead of run directly using the interpreter named on the #! line. Removing the #! line shouldn't hurt syntax highlighting since these files have filenames ending with '.sh'. For documentation, add a brief description of how the files are meant to be used in place of the shebang line. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-11-04Merge branch 'jk/wrap-perl-used-in-tests'Libravatar Junio C Hamano1-3/+7
* jk/wrap-perl-used-in-tests: t: use perl instead of "$PERL_PATH" where applicable t: provide a perl() function which uses $PERL_PATH
2013-10-29t: use perl instead of "$PERL_PATH" where applicableLibravatar Jeff King1-3/+3
As of the last commit, we can use "perl" instead of "$PERL_PATH" when running tests, as the former is now a function which uses the latter. As the shorter "perl" is easier on the eyes, let's switch to using it everywhere. This is not quite a mechanical s/$PERL_PATH/perl/ replacement, though. There are some places where we invoke perl from a script we generate on the fly, and those scripts do not have access to our internal shell functions. The result can be double-checked by running: ln -s /bin/false bin-wrappers/perl make test which continues to pass even after this patch. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-10-29t: provide a perl() function which uses $PERL_PATHLibravatar Jeff King1-0/+4
Once upon a time, we assumed that calling a bare "perl" in the test scripts was OK, because we would find the perl from the user's PATH, and we were only asking that perl to do basic operations that work even on old versions of perl. Later, we found that some systems really prefer to use $PERL_PATH even for these basic cases, because the system perl misbehaves in some way (e.g., by handling line endings differently). We then switched "perl" invocations to "$PERL_PATH" to respect the user's choice. Having to use "$PERL_PATH" is ugly and cumbersome, though. Instead, let's provide a perl() shell function that tests can use, which will transparently do the right thing. Unfortunately, test writers still have to use $PERL_PATH in certain situations, so we still need to keep the advice in the README. Note that this may fix test failures in t5004, t5503, t6002, t6003, t6300, t8001, and t8002, depending on your system's perl setup. All of these can be detected by running: ln -s /bin/false bin-wrappers/perl make test which fails before this patch, and passes after. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-10-28Windows: a test_cmp that is agnostic to random LF <> CRLF conversionsLibravatar Johannes Sixt1-0/+66
In a number of tests, output that was produced by a shell script is compared to expected output using test_cmp. Unfortunately, the MSYS bash-- when invoked via git, such as in hooks--converts LF to CRLF on output (as produced by echo and printf), which leads to many false positives. Implements a diff tool that undoes the converted CRLF. To avoid that sub-processes are spawned (which is very slow on Windows), the tool is implemented as a shell function. Diff is invoked as usual only when a difference is detected by the shell code. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-07-05Merge branch 'tr/test-v-and-v-subtest-only'Libravatar Junio C Hamano1-2/+4
Allows N instances of tests run in parallel, each running 1/N parts of the test suite under Valgrind, to speed things up. * tr/test-v-and-v-subtest-only: perf-lib: fix start/stop of perf tests test-lib: support running tests under valgrind in parallel test-lib: allow prefixing a custom string before "ok N" etc. test-lib: valgrind for only tests matching a pattern test-lib: verbose mode for only tests matching a pattern test-lib: self-test that --verbose works test-lib: rearrange start/end of test_expect_* and test_skip test-lib: refactor $GIT_SKIP_TESTS matching test-lib: enable MALLOC_* for the actual tests
2013-06-20Merge branch 'fc/show-non-empty-errors-in-test'Libravatar Junio C Hamano1-0/+12
* fc/show-non-empty-errors-in-test: test: test_must_be_empty helper
2013-06-18test-lib: rearrange start/end of test_expect_* and test_skipLibravatar Thomas Rast1-2/+4
This moves * the early setup part from test_skip to a new function test_start_ * the final common parts of test_expect_* to a new function test_finish_ to make the next commit more obvious. Signed-off-by: Thomas Rast <trast@inf.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-09test: test_must_be_empty helperLibravatar Junio C Hamano1-0/+12
There are quite a lot places where an output file is expected to be empty, and we fail the test when it is not. The output from running the test script with -i -v can be helped if we showed the unexpected contents at that point. We could of course do >expected.empty && test_cmp expected.empty actual but this is commmon enough to be done with a dedicated helper. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07tests: introduce test_ln_s_addLibravatar Johannes Sixt1-0/+17
Add a new function that creates a symbolic link and adds it to the index to be used in cases where a symbolic link is not required on the file system. We will use it to remove many SYMLINKS prerequisites from test cases. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-22Merge branch 'jc/apply-ws-fix-tab-in-indent' into maintLibravatar Junio C Hamano1-0/+4
* jc/apply-ws-fix-tab-in-indent: test: resurrect q_to_tab apply --whitespace=fix: avoid running over the postimage buffer
2013-04-03Merge branch 'tr/valgrind'Libravatar Junio C Hamano1-0/+3
Let us use not just memgrind but other *grind debuggers. * tr/valgrind: tests: notice valgrind error in test_must_fail tests --valgrind: provide a mode without --track-origins tests: parameterize --valgrind option t/README: --valgrind already implies -v
2013-04-03Merge branch 'jc/apply-ws-fix-tab-in-indent'Libravatar Junio C Hamano1-0/+4
"git apply --whitespace=fix" was not prepared to see a line getting longer after fixing whitespaces (e.g. tab-in-indent aka Python). * jc/apply-ws-fix-tab-in-indent: test: resurrect q_to_tab apply --whitespace=fix: avoid running over the postimage buffer
2013-04-01Merge branch 'bc/append-signed-off-by'Libravatar Junio C Hamano1-4/+4
Consolidate codepaths that inspect log-message-to-be and decide to add a new Signed-off-by line in various commands. * bc/append-signed-off-by: git-commit: populate the edit buffer with 2 blank lines before s-o-b Unify appending signoff in format-patch, commit and sequencer format-patch: update append_signoff prototype t4014: more tests about appending s-o-b lines sequencer.c: teach append_signoff to avoid adding a duplicate newline sequencer.c: teach append_signoff how to detect duplicate s-o-b sequencer.c: always separate "(cherry picked from" from commit body sequencer.c: require a conforming footer to be preceded by a blank line sequencer.c: recognize "(cherry picked from ..." as part of s-o-b footer t/t3511: add some tests of 'cherry-pick -s' functionality t/test-lib-functions.sh: allow to specify the tag name to test_commit commit, cherry-pick -s: remove broken support for multiline rfc2822 fields sequencer.c: rework search for start of footer to improve clarity
2013-04-01tests: notice valgrind error in test_must_failLibravatar Thomas Rast1-0/+3
We tell valgrind to return 126 if it notices that something is wrong, but we did not actually handle this in test_must_fail, leading to false negatives. Catch and report it. Signed-off-by: Thomas Rast <trast@inf.ethz.ch> Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-29test: resurrect q_to_tabLibravatar Junio C Hamano1-0/+4
New test may want to use this helper; keep it for them that do not need to protect literal SP. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-22apply --whitespace=fix: avoid running over the postimage bufferLibravatar Junio C Hamano1-2/+2
Originally update-pre-post-images could assume that any whitespace fixing will make the result only shorter by unexpanding runs of leading SPs into HTs and removing trailing whitespaces at the end of lines. Updating the post-image we read from the patch to match the actual result can be performed in-place under this assumption. These days, however, we have tab-in-indent (aka Python) rule whose result can be longer than the original, and we do need to allocate a larger buffer than the input and replace the result. Fortunately the support for lengthening rewrite was already added when we began supporting "match while ignoring whitespace differences" mode in 86c91f91794c (git apply: option to ignore whitespace differences, 2009-08-04). We only need to correctly count the number of bytes necessary to hold the updated result and tell the function to allocate a new buffer. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12t/test-lib-functions.sh: allow to specify the tag name to test_commitLibravatar Brandon Casey1-4/+4
The <message> part of test_commit() may not be appropriate for a tag name. So let's allow test_commit to accept a fourth argument to specify the tag name. Signed-off-by: Brandon Casey <bcasey@nvidia.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-22tests: move test_cmp_rev to test-lib-functionsLibravatar Martin von Zweigbergk1-0/+7
A function for checking that two given parameters refer to the same revision was defined in several places, so move the definition to test-lib-functions.sh instead. Signed-off-by: Martin von Zweigbergk <martinvonz@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-11-15test-lib: allow negation of prerequisitesLibravatar Jeff King1-1/+20
You can set and test a prerequisite like this: test_set_prereq FOO test_have_prereq FOO && echo yes You can negate the test in the shell like this: ! test_have_prereq && echo no However, when you are using the automatic prerequisite checking in test_expect_*, there is no opportunity to use the shell negation. This patch introduces the syntax "!FOO" to indicate that the test should only run if a prerequisite is not meant. One alternative is to set an explicit negative prerequisite, like: if system_has_foo; then test_set_prereq FOO else test_set_prereq NO_FOO fi However, this doesn't work for lazy prerequisites, which associate a single test with a single name. We could teach the lazy prereq evaluator to set both forms, but the code change ends up quite similar to this one (because we still need to convert NO_FOO into FOO to find the correct lazy script). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-14cherry-pick: don't forget -s on failureLibravatar Miklos Vajna1-5/+16
In case 'git cherry-pick -s <commit>' failed, the user had to use 'git commit -s' (i.e. state the -s option again), which is easy to forget about. Instead, write the signed-off-by line early, so plain 'git commit' will have the same result. Also update 'git commit -s', so that in case there is already a relevant Signed-off-by line before the Conflicts: line, it won't add one more at the end of the message. If there is no such line, then add it before the the Conflicts: line. Signed-off-by: Miklos Vajna <vmiklos@suse.cz> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-08-22Merge branch 'mk/test-seq'Libravatar Junio C Hamano1-0/+21
Add a compatibility/utility function to the test framework. * mk/test-seq: tests: Introduce test_seq
2012-08-04tests: Introduce test_seqLibravatar Michał Kiedrowicz1-0/+21
Jeff King wrote: The seq command is GNU-ism, and is missing at least in older BSD releases and their derivatives, not to mention antique commercial Unixes. We already purged it in b3431bc (Don't use seq in tests, not everyone has it, 2007-05-02), but a few new instances have crept in. They went unnoticed because they are in scripts that are not run by default. Replace them with test_seq that is implemented with a Perl snippet (proposed by Jeff). This is better than inlining this snippet everywhere it's needed because it's easier to read and it's easier to change the implementation (e.g. to C) if we ever decide to remove Perl from the test suite. Note that test_seq is not a complete replacement for seq(1). It just has what we need now, in addition that it makes it possible for us to do something like "test_seq a m" if we wanted to in the future. There are also many places that do `for i in 1 2 3 ...` but I'm not sure if it's worth converting them to test_seq. That would introduce running more processes of Perl. Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-30Merge branch 'jc/maint-filter-branch-epoch-date' into maintLibravatar Junio C Hamano1-2/+11
In 1.7.9 era, we taught "git rebase" about the raw timestamp format but we did not teach the same trick to "filter-branch", which rolled a similar logic on its own. * jc/maint-filter-branch-epoch-date: t7003: add test to filter a branch with a commit at epoch date.c: Fix off by one error in object-header date parsing filter-branch: do not forget the '@' prefix to force git-timestamp
2012-07-27test: allow prerequisite to be evaluated lazilyLibravatar Junio C Hamano1-0/+42
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>
2012-07-27test: rename $satisfied to $satisfied_prereqLibravatar Junio C Hamano1-3/+3
All other shell variables that are used to globally keep track of states related to prerequisite have "prereq" somewhere in their names. Be consistent and avoid potential name crashes with other kinds of satisfaction in the future. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-22Merge branch 'jc/maint-filter-branch-epoch-date'Libravatar Junio C Hamano1-2/+11
In 1.7.9 era, we taught "git rebase" about the raw timestamp format but we did not teach the same trick to "filter-branch", which rolled a similar logic on its own. Because of this, "filter-branch" failed to rewrite commits with ancient timestamps. * jc/maint-filter-branch-epoch-date: t7003: add test to filter a branch with a commit at epoch date.c: Fix off by one error in object-header date parsing filter-branch: do not forget the '@' prefix to force git-timestamp
2012-06-24tests: enclose $PERL_PATH in double quotesLibravatar Junio C Hamano1-2/+2
Otherwise it will be split at a space after "Program" when it is set to "\\Program Files\perl" or something silly like that. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-12t: Replace 'perl' by $PERL_PATHLibravatar Vincent van Ravesteijn1-2/+2
GIT-BUILD-OPTIONS defines PERL_PATH to be used in the test suite. Only a few tests already actually use this variable when perl is needed. The other test just call 'perl' and it might happen that the wrong perl interpreter is used. This becomes problematic on Windows, when the perl interpreter that is compiled and installed on the Windows system is used, because this perl interpreter might introduce some unexpected LF->CRLF conversions. This patch makes sure that $PERL_PATH is used everywhere in the test suite and that the correct perl interpreter is used. Signed-off-by: Vincent van Ravesteijn <vfr@lyx.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>