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NAME

Test2::Plugin::SourceDiag - Output the lines of code that resulted in a failure.

DESCRIPTION

This plugin injects diagnostics messages that include the lines of source that executed to produce the test failure. This is a less magical answer to Damian Conway's Test::Expr module, that has the benefit of working on any Test2 based test.

SYNOPSIS

This test:

use Test2::V0;
use Test2::Plugin::SourceDiag;

ok(0, "fail");

done_testing;

Produces the output:

not ok 1 - fail
Failure source code:
# ------------
# 4: ok(0, "fail");
# ------------
# Failed test 'fail'
# at test.pl line 4.

IMPORT OPTIONS

show_source

use Test2::Plugin::SourceDiag show_source => $bool;

show_source is set to on by default. You can specify 0 if you want to turn it off.

Source output:

not ok 1 - fail
Failure source code:
# ------------
# 4: ok(0, "fail");
# ------------
# Failed test 'fail'
# at test.pl line 4.

show_args

use Test2::Plugin::SourceDiag show_args => $bool

show_args is set to off by default. You can turn it on with a true value.

Args output:

not ok 1 - fail
Failure source code:
# ------------
# 4: ok($x, "fail");
# ------------
# Failure Arguments: (0, 'fail')      <----- here
# Failed test 'fail'
# at test.pl line 4.

inject_name

use Test2::Plugin::SourceDiag inject_name => $bool

inject_name is off by default. You may turn it on if desired.

This feature will inject the source as the name of your assertion if the name has not already been set. When this happens the failure source diag will not be seen as the name is sufficient.

not ok 1 - ok($x eq $y);
# Failed test 'ok($x eq $y);'
# at test.pl line 4.

note: This works perfectly fine with multi-line statements.

SOURCE

The source code repository for Test2-Plugin-SourceDiag can be found at http://github.com/Test-More/Test2-Plugin-SourceDiag/.

MAINTAINERS

AUTHORS

COPYRIGHT

Copyright 2017 Chad Granum exodist@cpan.org.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

See http://dev.perl.org/licenses/