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Record and fake lwp responses

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NAME

LWPx::Record::DataSection - Record/restore LWP response using __DATA__ section

SYNOPSIS

  use Test::More;
  use LWPx::Record::DataSection;
  use LWP::Simple qw($ua);

  my $res = $ua->get('http://www.example.com/'); # does not access to the internet actually
  is $res->code, 200;

  __DATA__

  @@ GET http://www.example.com/
  HTTP/1.0 200 OK
  Content-Type: text/html
  ... # HTTP response

DESCRIPTION

LWPx::Record::DataSection overrides LWP::Protocol and creates response object from __DATA__ section. The response should be recorded as below:

  __DATA__

  @@ [method] [url]
  [raw response]

  @@ [method] [url]
  [raw response]

  ...

RECORDING RESPONSES

When LWP try to send request without corresponding data section, LWPx::Record::DataSection allows actual connection and records the response to the test file's __DATA__ section.

Example:

  # test.t
  use strict;
  use Test::More;
  use LWPx::Record::DataSection;
  use LWP::Simple qw($ua);

  my $res = $ua->get('http://www.example.com/');
  is $res->code, 200;

  # No __END__ please, LWPx::Record::DataSection confuses
  __DATA__

Running this test with environment variable LWPX_RECORD_APPEND_DATA=1 appends the actual response to the test file itself, thus produces such:

  # test.t
  use strict;
  use Test::More;
  use LWPx::Record::DataSection;
  use LWP::Simple qw($ua);

  my $res = $ua->get('http://www.example.com/');
  is $res->code, 200;

  # No __END__ please, LWPx::Record::DataSection confuses
  __DATA__
  @@ GET http://www.example.com/
  HTTP/1.0 302 Found
  Connection: Keep-Alive
  Location: http://www.iana.org/domains/example/
  ...
  
  @@ GET http://www.iana.org/domains/example/
  HTTP/1.1 200 OK
  ...

After that running the test does not require internet connection.

CLASS METHODS

LWPx::Record::DataSection->load_data

Load __DATA__ section into $LWPx::Record::DataSection::Data. LWPx::Record::DataSection->import implies this, so if you do not use this module, explicitly call this.

Example:

  use Test::Requires 'LWPx::Record::DataSection';
  LWPx::Record::DataSection->load_data;

OPTIONS

  You can specify option when C<< use >> this module.

  use LWPx::Record::DataSection %option;
decode_content => 1 | 0

By default, responses are recorded as decoded so that you will not see unreadable bytes in your file. If this behavior is not desired, turn this option off.

record_response_header => \@headers | ':all'

By default, uncommon headers like "X-Framework" are dropped when recording. Specify this option to record extra headers.

record_post_param => \@params

Use POSTed parameters as extra key. Post keys are recorded as:

  @@ POST http://localhost/ Post:foo=1,foo=2
record_request_cookie => \@keys

By default, only request method and request uri are used to identify request. Specify this option to use certain cookie as key. Cookie keys are recorded as:

  @@ GET http://localhost/ Cookie:foo=1,bar=2
append_data_section => $ENV{LWPX_RECORD_APPEND_DATA};

Automatically record responses to __DATA__ section if not recorded. You can specify this by LWPX_RECORD_APPEND_DATA environment variable.

CAVEATS

If the file contains __END__ section, storing response will not work.

LWPx::Record::DataSection appends __DATA__ section only files that directly use this module. This is to avoid accidents.

AUTHOR

motemen <motemen@gmail.com>

SEE ALSO

Data::Section::Simple, LWP::Protocol

LICENSE

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

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