Chris Grau > TAP-Formatter-Elapsed > TAP::Formatter::Elapsed

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Module Version: 0.02   Source  

NAME ^

TAP::Formatter::Elapsed - Display time taken for each test

VERSION ^

This document describes version 0.02 of TAP::Formatter::Elapsed

SYNOPSIS ^

prove --formatter TAP::Formatter::Elapsed -v ...

DESCRIPTION ^

The TAP::Formatter::Elapsed module will, when used as the formatter for the prove command, add a time stamp to each test result line. While prove's --timer option is useful for displaying the time taken for an individual test file, this module can be useful to determine how long an individual test takes to run.

Given the test file example.t:

    #!perl -Tw
    
    use strict;
    use Test::More 0.88;
    
    ok sleep 2;
    ok sleep 2;
    ok sleep 2, 'last one';
    done_testing;

In the default case, each test line will have appended to it the current time, the cumulative time taken so far, and the time since the last test result.

    $ prove --formatter TAP::Formatter::Elapsed -v example.t
    example.t ..
    ok 1 [2012-08-17T05:41:00, 2.04, 2.04 elapsed]
    ok 2 [2012-08-17T05:41:02, 4.04, 2.00 elapsed]
    ok 3 - last one [2012-08-17T05:41:04, 6.04, 2.00 elapsed]
    1..3
    ok
    All tests successful.
    Files=1, Tests=3,  6 wallclock secs ( 0.02 usr  0.01 sys +  0.01 cusr  0.00 csys =  0.04 CPU)
    Result: PASS

The time stamp format can be customized by setting the TAP_ELAPSED_FORMAT environment variable. In addition to all of the formats provided by the strftime() function, %t0 will be replaced with the cumulative time since the beginning of the test file, and %t1 will be replaced with the time since the last test result.

    $ TAP_ELAPSED_FORMAT='%t1 %t0' prove --formatter TAP::Formatter::Elapsed -v example.t
    example.t ..
    ok 1 2.04 2.04
    ok 2 2.00 4.04
    ok 3 - last one 2.00 6.04
    1..3
    ok
    All tests successful.
    Files=1, Tests=3,  6 wallclock secs ( 0.02 usr  0.00 sys +  0.01 cusr  0.00 csys =  0.03 CPU)
    Result: PASS

CONFIGURATION AND ENVIRONMENT ^

TAP_ELAPSED_FORMAT

Setting this environment variable controls the format used by TAP::Formatter::Elapsed when appending a time stamp to a test result. The default value is [%Y-%m-%dT%H:%M:%S, %t0, %t1 elapsed]. The formats %t0 and %t1 are replaced with the cumulative time and the time since the last test result, respectively. A single space is always prefixed to the time stamp, to separate it from the test result.

AUTHOR ^

Chris Grau mailto:cgrau@cpan.org

COPYRIGHT AND LICENSE ^

Copyright (c) 2012, Chris Grau.

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