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Diffstat (limited to 't/README')
| -rw-r--r-- | t/README | 136 |
1 files changed, 131 insertions, 5 deletions
@@ -71,6 +71,7 @@ You can pass --verbose (or -v), --debug (or -d), and --immediate (or -i) command line argument to the test, or by setting GIT_TEST_OPTS appropriately before running "make". +-v:: --verbose:: This makes the test more verbose. Specifically, the command being run and their output if any are also @@ -81,6 +82,13 @@ appropriately before running "make". numbers matching <pattern>. The number matched against is simply the running count of the test within the file. +-x:: + Turn on shell tracing (i.e., `set -x`) during the tests + themselves. Implies `--verbose`. Note that in non-bash shells, + this can cause failures in some tests which redirect and test + the output of shell functions. Use with caution. + +-d:: --debug:: This may help the person who is developing a new test. It causes the command defined with test_debug to run. @@ -89,6 +97,7 @@ appropriately before running "make". failed tests so that you can inspect its contents after the test finished. +-i:: --immediate:: This causes the test to immediately exit upon the first failed test. Cleanup commands requested with @@ -96,10 +105,17 @@ appropriately before running "make". in order to keep the state for inspection by the tester to diagnose the bug. +-l:: --long-tests:: This causes additional long-running tests to be run (where available), for more exhaustive testing. +-r:: +--run=<test-selector>:: + Run only the subset of tests indicated by + <test-selector>. See section "Skipping Tests" below for + <test-selector> syntax. + --valgrind=<tool>:: Execute all Git binaries under valgrind tool <tool> and exit with status 126 on errors (just like regular tests, this will @@ -137,6 +153,12 @@ appropriately before running "make". As the names depend on the tests' file names, it is safe to run the tests with this option in parallel. +--verbose-log:: + Write verbose output to the same logfile as `--tee`, but do + _not_ write it to stdout. Unlike `--tee --verbose`, this option + is safe to use when stdout is being consumed by a TAP parser + like `prove`. Implies `--tee` and `--verbose`. + --with-dashes:: By default tests are run without dashed forms of commands (like git-commit) in the PATH (it only uses @@ -152,6 +174,16 @@ appropriately before running "make". Using this option with a RAM-based filesystem (such as tmpfs) can massively speed up the test suite. +--chain-lint:: +--no-chain-lint:: + If --chain-lint is enabled, the test harness will check each + test to make sure that it properly "&&-chains" all commands (so + that a failure in the middle does not go unnoticed by the final + exit code of the test). This check is performed in addition to + running the tests themselves. You may also enable or disable + this feature by setting the GIT_TEST_CHAIN_LINT environment + variable to "1" or "0", respectively. + You can also set the GIT_TEST_INSTALLED environment variable to the bindir of an existing git installation to test that installation. You still need to have built this git sandbox, from which various @@ -187,10 +219,77 @@ and either can match the "t[0-9]{4}" part to skip the whole test, or t[0-9]{4} followed by ".$number" to say which particular test to skip. -Note that some tests in the existing test suite rely on previous -test item, so you cannot arbitrarily disable one and expect the -remainder of test to check what the test originally was intended -to check. +For an individual test suite --run could be used to specify that +only some tests should be run or that some tests should be +excluded from a run. + +The argument for --run is a list of individual test numbers or +ranges with an optional negation prefix that define what tests in +a test suite to include in the run. A range is two numbers +separated with a dash and matches a range of tests with both ends +been included. You may omit the first or the second number to +mean "from the first test" or "up to the very last test" +respectively. + +Optional prefix of '!' means that the test or a range of tests +should be excluded from the run. + +If --run starts with an unprefixed number or range the initial +set of tests to run is empty. If the first item starts with '!' +all the tests are added to the initial set. After initial set is +determined every test number or range is added or excluded from +the set one by one, from left to right. + +Individual numbers or ranges could be separated either by a space +or a comma. + +For example, to run only tests up to a specific test (21), one +could do this: + + $ sh ./t9200-git-cvsexport-commit.sh --run='1-21' + +or this: + + $ sh ./t9200-git-cvsexport-commit.sh --run='-21' + +Common case is to run several setup tests (1, 2, 3) and then a +specific test (21) that relies on that setup: + + $ sh ./t9200-git-cvsexport-commit.sh --run='1 2 3 21' + +or: + + $ sh ./t9200-git-cvsexport-commit.sh --run=1,2,3,21 + +or: + + $ sh ./t9200-git-cvsexport-commit.sh --run='-3 21' + +As noted above, the test set is built going though items left to +right, so this: + + $ sh ./t9200-git-cvsexport-commit.sh --run='1-4 !3' + +will run tests 1, 2, and 4. Items that comes later have higher +precedence. It means that this: + + $ sh ./t9200-git-cvsexport-commit.sh --run='!3 1-4' + +would just run tests from 1 to 4, including 3. + +You may use negation with ranges. The following will run all +test in the test suite except from 7 up to 11: + + $ sh ./t9200-git-cvsexport-commit.sh --run='!7-11' + +Some tests in a test suite rely on the previous tests performing +certain actions, specifically some tests are designated as +"setup" test, so you cannot _arbitrarily_ disable one test and +expect the rest to function correctly. + +--run is mostly useful when you want to focus on a specific test +and know what setup is needed for it. Or when you want to run +everything up to a certain test. Naming Tests @@ -335,7 +434,8 @@ Don't: dies in an unexpected way (e.g. segfault). On the other hand, don't use test_must_fail for running regular - platform commands; just use '! cmd'. + platform commands; just use '! cmd'. We are not in the business + of verifying that the world given to us sanely works. - use perl without spelling it as "$PERL_PATH". This is to help our friends on Windows where the platform Perl often adds CR before @@ -469,6 +569,11 @@ library for your script to use. argument. This is primarily meant for use during the development of a new test script. + - debug <git-command> + + Run a git command inside a debugger. This is primarily meant for + use when debugging a failing test script. + - test_done Your test script must have test_done at the end. Its purpose @@ -596,6 +701,27 @@ library for your script to use. ... ' + - test_write_lines <lines> + + Write <lines> on standard output, one line per argument. + Useful to prepare multi-line files in a compact form. + + Example: + + test_write_lines a b c d e f g >foo + + Is a more compact equivalent of: + cat >foo <<-EOF + a + b + c + d + e + f + g + EOF + + - test_pause This command is useful for writing and debugging tests and must be |