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MooX::Cmd::Tester(3) User Contributed Perl Documentation MooX::Cmd::Tester(3)
 

MooX::Cmd::Tester - MooX cli app commands tester

  use MooX::Cmd::Tester;
  use Test::More;
  use MyFoo;
  # basic tests as instance check, initialization check etc. is done there
  my $rv = test_cmd( MyFoo => [ command(s) option(s) ] );
  like( $rv->stdout, qr/operation successful/, "Command performed" );
  like( $rv->stderr, qr/patient dead/, "Deal with expected command error" );
  is_deeply( $rv->execute_rv, \@expected_return_values, "got what I deserve?" );
  cmp_ok( $rv->exit_code, "==", 0, "Command successful" );

The test coverage of most CLI apps is somewhere between poor and wretched. With the same approach as App::Cmd::Tester comes MooX::Cmd::Tester to ease writing tests for CLI apps.

  my $rv = test_cmd( MyApp => \@argv );
test_cmd invokes the app with given argv as if would be invoked from command line and captures the output, the return values and exit code.
Some minor tests are done to prove whether class matches, execute succeeds, command_name and command_chain are not totally scrambled.
It returns an object with following attributes/accessors:
app
Name of package of App
cmd
Name of executed (1st level) command
stdout
Content of stdout
stderr
Content of stderr
output
Content of merged stdout and stderr
error
the exception thrown by running the application (if any)
execute_rv
return values from execute
exit_code
0 on success, $! when error occurred and $! available, -1 otherwise

  my $rv = test_cmd_ok( MyApp => \@argv );
Runs "test_cmd" and expects it being successful - command_name must be in command_commands, etc.
Returns the same object "test_cmd" returns.
If an error occurred, no additional test is done (behavior as "test_cmd").

Builder for result class to use. Returns "MooX::Cmd::Tester::Result" by default.

MooX::Cmd::Tester is inspired by App::Cmd::Tester from Ricardo Signes. In fact, I reused the entire design and adopt it to the requirements of MooX::Cmd.

Copyright 2013-2017 Jens Rehsack.
This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.
See <http://dev.perl.org/licenses/> for more information.
2017-12-19 perl v5.28.1

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