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README.md

Build Status

NAME

Test::WWW::Stub - Block and stub specified URL for LWP

SYNOPSIS

# External http(s) access via LWP is blocked by just declaring 'use Test::WWW::Stub';
# Note that 'require Test::WWW::Stub' or 'use Test::WWW::Stub ()' doesn't block external access.
use Test::WWW::Stub;

my $ua = LWP::UserAgent->new;

my $stubbed_res = [ 200, [], ['okay'] ];

{
    my $guard = Test::WWW::Stub->register(q<http://example.com/TEST>, $stubbed_res);

    is $ua->get('http://example.com/TEST')->content, 'okay';
}
isnt $ua->get('http://example.com/TEST')->content, 'okay';

{
    # registering in void context doesn't create guard.
    Test::WWW::Stub->register(q<http://example.com/HOGE/>, $stubbed_res);

    is $ua->get('http://example.com/HOGE')->content, 'okay';
}
is $ua->get('http://example.com/HOGE')->content, 'okay';

{
    # You can also use regexp for uri
    my $guard = Test::WWW::Stub->register(qr<\A\Qhttp://example.com/MATCH/\E>, $stubbed_res);

    is $ua->get('http://example.com/MATCH/hogehoge')->content, 'okay';
}

{
    # you can unstub and allow external access temporary
    my $unstub_guard = Test::WWW::Stub->unstub;

    # External access occurs!!
    ok $ua->get('http://example.com');
}

my $last_req = Test::WWW::Stub->last_request; # Plack::Request
is $last_req->uri, 'http://example.com/MATCH/hogehoge';

Test::WWW::Stub->requested_ok('GET', 'http://example.com/TEST'); # passes

DESCRIPTION

Test::WWW::Stub is a helper module to block external http(s) request and stub some specific requests in your test.

Because this modules uses LWP::Protocol::PSGI internally, you don't have to modify target codes using LWP::UserAgent.

METHODS

  • register

      my $guard = Test::WWW::Stub->register( $uri_or_re, $app_or_res );
    

    Registers a new stub for URI $uri_or_re. If called in void context, it simply registers the stub. Otherwise,it returns a new guard which drops the stub on destroyed.

    $uri_or_re is either an URI string or a compiled regular expression for URI. $app_or_res is a PSGI response array ref, or a code ref which returns a PSGI response array ref. If $app_or_res is a code ref, requests are passed to the code ref following syntax:

      my $req = Plack::Request->new($env);
      $app_or_res->($env, $req);
    

    Once registered, $app_or_res will be return from LWP::UserAgent on requesting certain URI matches $uri_or_re.

  • requested_ok

      Test::WWW::Stub->requested_ok($method, $uri);
    

    Passes when $uri has been requested with $method, otherwise fails and dumps requests handled by Test::WWW::Stub.

    This method calls Test::More::ok or Test::More::diag internally.

  • requests

      my @requests = Test::WWW::Stub->requests;
    

    Returns an array of Plack::Request which is handled by Test::WWW::Stub.

  • last_request

      my $last_req = Test::WWW::Stub->last_request;
    

    Returns a Plack::Request object last handled by Test::WWW::Stub.

    This method is same as [Test::WWW::Stub->requests]->[-1].

  • last_request_for

      my $last_req = Test::WWW::Stub->last_request_for($method, $uri);
    

    Returns a Plack::Request object last handled by Test::WWW::Stub and matched given HTTP method and URI.

  • clear_requests

      Test::WWW::Stub->clear_requests;
    

    Clears request history of Test::WWW::Stub.

    [Test::WWW::Stub->requests] becomes empty just after this method called.

  • unstub

      my $unstub_guard = Test::WWW::Stub->unstub;
    

    Unregister stub and enables external access, and returns a guard object which re-enables stub on destroyed.

    In constrast to register, this method doesn't work when called in void context.

LICENSE

Copyright (C) Hatena Co., Ltd.

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

AUTHOR

Asato Wakisaka asato.wakisaka@gmail.com

Original implementation written by suzak.