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Man Pages


Manual Reference Pages  -  APP::CMD::TESTER::CAPTUREEXTERNAL (3)

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NAME

App::Cmd::Tester::CaptureExternal - Extends App::Cmd::Tester to capture from external subprograms

CONTENTS

VERSION

version 0.330

SYNOPSIS



  use Test::More tests => 4;
  use App::Cmd::Tester::CaptureExternal;

  use YourApp;

  my $result = test_app(YourApp => [ qw(command --opt value) ]);

  like($result->stdout, qr/expected output/, printed what we expected);

  is($result->stderr, , nothing sent to sderr);

  ok($result->output, "STDOUT concatenated with STDERR");



DESCRIPTION

App::Cmd::Tester provides a useful scaffold for testing applications, but it is unable to capture output generated from any external subprograms that are invoked from the application.

This subclass uses an alternate mechanism for capturing output (Capture::Tiny) that does capture from external programs, with one major limitation.

It is not possible to capture externally from both STDOUT and STDERR while also having appropriately interleaved combined output. Therefore, the output from this subclass simply concatenates the two.

You can still use output for testing if there is any output at all or for testing if something appeared in either output stream, but you can’t rely on the ordering being correct between lines to STDOUT and lines to STDERR.

AUTHOR

Ricardo Signes <rjbs@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2015 by Ricardo Signes.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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perl v5.20.3 APP::CMD::TESTER::CAPTUREEXTERNAL (3) 2015-10-24

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