X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FTest-Valgrind.git;a=blobdiff_plain;f=README;h=72776c2f01a09a7a9cdc2beecff05d3ea7e04a14;hp=c032c3013c5ce8f477ab53186a87a1eddfe7ac8c;hb=90b6c795c9fab6343c3501923aacc8f43f7a82ea;hpb=5bc70067584bc854d8e1c28fd376b732aee31c38 diff --git a/README b/README index c032c30..72776c2 100644 --- a/README +++ b/README @@ -3,7 +3,7 @@ NAME with valgrind. VERSION - Version 1.11 + Version 1.12 SYNOPSIS # From the command-line @@ -24,17 +24,21 @@ SYNOPSIS DESCRIPTION This module is a front-end to the "Test::Valgrind::*" API that lets you run Perl code through the "memcheck" tool of the "valgrind" memory - debugger, to test it for memory errors and leaks. If they aren't - available yet, it will first generate suppressions for the current - "perl" interpreter and store them in the portable flavour of + debugger, to test for memory errors and leaks. If they aren't available + yet, it will first generate suppressions for the current "perl" + interpreter and store them in the portable flavour of ~/.perl/Test-Valgrind/suppressions/$VERSION. The actual run will then take place, and tests will be passed or failed according to the result of the analysis. - The complete API is much more versatile than this. It allows you to run - *any* executable under valgrind, generate the corresponding suppressions - and convert the analysis output to TAP so that it can be incorporated - into your project's testsuite. + The complete API is much more versatile than this. By declaring an + appropriate Test::Valgrind::Command class, you can run any executable + (that is, not only Perl scripts) under valgrind, generate the + corresponding suppressions on-the-fly and convert the analysis result to + TAP output so that it can be incorporated into your project's testsuite. + If you're not interested in producing TAP, you can output the results in + whatever format you like (for example HTML pages) by defining your own + Test::Valgrind::Action class. Due to the nature of perl's memory allocator, this module can't track leaks of Perl objects. This includes non-mortalized scalars and memory @@ -103,10 +107,16 @@ METHODS In the parent process, "import" calls "analyse" with the arguments it received itself - except that if no "file" option was supplied, it tries to pick the first caller context that looks like a script. When the - analyse ends, it exits with the status that was returned. + analysis ends, it exits with the status returned by the action (for the + default TAP-generator action, it's the number of failed tests). In the child process, it just "return"s so that the calling code is - actually run under "valgrind". + actually run under "valgrind", albeit two side-effects : + + * Perl::Destruct::Level is loaded and the destruction level is set to + 3. + + * Autoflush on "STDOUT" is turned on. VARIABLES $dl_unload @@ -118,9 +128,9 @@ VARIABLES CAVEATS Perl 5.8 is notorious for leaking like there's no tomorrow, so the - suppressions are very likely not to be very accurate on it. Anyhow, - results will most likely be better if your perl is built with debugging - enabled. Using the latest "valgrind" available will also help. + suppressions are very likely not to be complete on it. You also have a + better chance to get more accurate results if your perl is built with + debugging enabled. Using the latest "valgrind" available will also help. This module is not really secure. It's definitely not taint safe. That shouldn't be a problem for test files. @@ -160,12 +170,17 @@ SUPPORT perldoc Test::Valgrind ACKNOWLEDGEMENTS - Rafaël Garcia-Suarez, for writing and instructing me about the - existence of Perl::Destruct::Level (Elizabeth Mattijsen is a close - second). + Rafaël Garcia-Suarez, for writing and instructing me about the existence + of Perl::Destruct::Level (Elizabeth Mattijsen is a close second). H.Merijn Brand, for daring to test this thing. + David Cantrell, for providing shell access to one of his smokers where + the tests were failing. + + The debian-perl team, for offering all the feedback they could regarding + the build issues they met. + All you people that showed interest in this module, which motivated me into completely rewriting it.