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1 | package Test::WWW::Mechanize::Catalyst; |
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2 | |
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3 | use Moose; |
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4 | |
5 | use Carp qw/croak/; |
6 | require Catalyst::Test; # Do not call import |
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7 | use Encode qw(); |
8 | use HTML::Entities; |
9 | use Test::WWW::Mechanize; |
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10 | |
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11 | extends 'Test::WWW::Mechanize', 'Moose::Object'; |
12 | |
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13 | #use namespace::clean -execept => 'meta'; |
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14 | |
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15 | our $VERSION = '0.50'; |
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16 | our $APP_CLASS; |
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17 | my $Test = Test::Builder->new(); |
18 | |
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19 | has catalyst_app => ( |
20 | is => 'ro', |
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21 | predicate => 'has_catalyst_app', |
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22 | ); |
23 | |
24 | has allow_external => ( |
25 | is => 'rw', |
26 | isa => 'Bool', |
27 | default => 0 |
28 | ); |
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29 | |
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30 | has host => ( |
31 | is => 'rw', |
32 | isa => 'Str', |
33 | clearer => 'clear_host', |
34 | predicate => 'has_host', |
35 | ); |
36 | |
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37 | sub new { |
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38 | my $class = shift; |
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39 | |
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40 | my $args = ref $_[0] ? $_[0] : { @_ }; |
41 | |
42 | # Dont let LWP complain about options for our attributes |
43 | my %attr_options = map { |
44 | my $n = $_->init_arg; |
45 | defined $n && exists $args->{$n} |
46 | ? ( $n => delete $args->{$n} ) |
47 | : ( ); |
48 | } $class->meta->get_all_attributes; |
49 | |
50 | my $obj = $class->SUPER::new(%$args); |
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51 | my $self = $class->meta->new_object( |
52 | __INSTANCE__ => $obj, |
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53 | ($APP_CLASS ? (catalyst_app => $APP_CLASS) : () ), |
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54 | %attr_options |
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55 | ); |
56 | |
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57 | $self->BUILDALL; |
58 | |
59 | |
60 | return $self; |
61 | } |
62 | |
63 | sub BUILD { |
64 | my ($self) = @_; |
65 | |
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66 | unless ($ENV{CATALYST_SERVER}) { |
67 | croak "catalyst_app attribute is required unless CATALYST_SERVER env variable is set" |
68 | unless $self->has_catalyst_app; |
69 | Class::MOP::load_class($self->catalyst_app) |
70 | unless (Class::MOP::is_class_loaded($self->catalyst_app)); |
71 | } |
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72 | } |
73 | |
74 | sub _make_request { |
75 | my ( $self, $request ) = @_; |
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76 | |
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77 | my $response = $self->_do_catalyst_request($request); |
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78 | $response->header( 'Content-Base', $request->uri ); |
79 | $response->request($request); |
80 | if ( $request->uri->as_string =~ m{^/} ) { |
81 | $request->uri( |
82 | URI->new( 'http://localhost:80/' . $request->uri->as_string ) ); |
83 | } |
84 | $self->cookie_jar->extract_cookies($response) if $self->cookie_jar; |
85 | |
86 | # fail tests under the Catalyst debug screen |
87 | if ( !$self->{catalyst_debug} |
88 | && $response->code == 500 |
89 | && $response->content =~ /on Catalyst \d+\.\d+/ ) |
90 | { |
91 | my ($error) |
92 | = ( $response->content =~ /<code class="error">(.*?)<\/code>/s ); |
93 | $error ||= "unknown error"; |
94 | decode_entities($error); |
95 | $Test->diag("Catalyst error screen: $error"); |
96 | $response->content(''); |
97 | $response->content_type(''); |
98 | } |
99 | |
100 | # check if that was a redirect |
101 | if ( $response->header('Location') |
102 | && $self->redirect_ok( $request, $response ) ) |
103 | { |
104 | |
105 | # remember the old response |
106 | my $old_response = $response; |
107 | |
108 | # *where* do they want us to redirect to? |
109 | my $location = $old_response->header('Location'); |
110 | |
111 | # no-one *should* be returning non-absolute URLs, but if they |
112 | # are then we'd better cope with it. Let's create a new URI, using |
113 | # our request as the base. |
114 | my $uri = URI->new_abs( $location, $request->uri )->as_string; |
115 | |
116 | # make a new response, and save the old response in it |
117 | $response = $self->_make_request( HTTP::Request->new( GET => $uri ) ); |
118 | my $end_of_chain = $response; |
119 | while ( $end_of_chain->previous ) # keep going till the end |
120 | { |
121 | $end_of_chain = $end_of_chain->previous; |
122 | } # of the chain... |
123 | $end_of_chain->previous($old_response); # ...and add us to it |
124 | } else { |
125 | $response->{_raw_content} = $response->content; |
126 | } |
127 | |
128 | return $response; |
129 | } |
130 | |
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131 | sub _do_catalyst_request { |
132 | my ($self, $request) = @_; |
133 | |
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134 | my $uri = $request->uri; |
135 | $uri->scheme('http') unless defined $uri->scheme; |
136 | $uri->host('localhost') unless defined $uri->host; |
137 | |
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138 | $request = $self->prepare_request($request); |
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139 | $self->cookie_jar->add_cookie_header($request) if $self->cookie_jar; |
140 | |
141 | # Woe betide anyone who unsets CATALYST_SERVER |
142 | return Catalyst::Test::remote_request($request) |
143 | if $ENV{CATALYST_SERVER}; |
144 | |
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145 | # If there's no Host header, set one. |
146 | unless ($request->header('Host')) { |
147 | my $host = $self->has_host |
148 | ? $self->host |
149 | : $uri->host; |
150 | |
151 | $request->header('Host', $host); |
152 | } |
153 | |
154 | if ( $self->{allow_external} ) { |
155 | unless ( $request->uri->as_string =~ m{^/} |
156 | || $request->uri->host eq 'localhost' ) |
157 | { |
158 | return $self->SUPER::_make_request($request); |
159 | } |
160 | } |
161 | |
162 | my @creds = $self->get_basic_credentials( "Basic", $uri ); |
163 | $request->authorization_basic( @creds ) if @creds; |
164 | |
165 | return Catalyst::Test::local_request($self->{catalyst_app}, $request); |
166 | } |
167 | |
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168 | sub import { |
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169 | my ($class, $app) = @_; |
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170 | |
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171 | if (defined $app) { |
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172 | Class::MOP::load_class($app) |
173 | unless (Class::MOP::is_class_loaded($app)); |
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174 | $APP_CLASS = $app; |
175 | } |
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176 | |
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177 | } |
178 | |
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179 | |
180 | 1; |
181 | |
182 | __END__ |
183 | |
184 | =head1 NAME |
185 | |
186 | Test::WWW::Mechanize::Catalyst - Test::WWW::Mechanize for Catalyst |
187 | |
188 | =head1 SYNOPSIS |
189 | |
190 | # We're in a t/*.t test script... |
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191 | use Test::WWW::Mechanize::Catalyst; |
192 | |
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193 | # To test a Catalyst application named 'Catty': |
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194 | my $mech = Test::WWW::Mechanize::Catalyst->new(catalyst_app => 'Catty'); |
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195 | |
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196 | $mech->get_ok("/"); # no hostname needed |
197 | is($mech->ct, "text/html"); |
198 | $mech->title_is("Root", "On the root page"); |
199 | $mech->content_contains("This is the root page", "Correct content"); |
200 | $mech->follow_link_ok({text => 'Hello'}, "Click on Hello"); |
201 | # ... and all other Test::WWW::Mechanize methods |
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202 | |
203 | # White label site testing |
204 | $mech->host("foo.com"); |
205 | $mech->get_ok("/"); |
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206 | |
207 | =head1 DESCRIPTION |
208 | |
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209 | L<Catalyst> is an elegant MVC Web Application Framework. |
210 | L<Test::WWW::Mechanize> is a subclass of L<WWW::Mechanize> that incorporates |
211 | features for web application testing. The L<Test::WWW::Mechanize::Catalyst> |
212 | module meshes the two to allow easy testing of L<Catalyst> applications without |
213 | needing to starting up a web server. |
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214 | |
215 | Testing web applications has always been a bit tricky, normally |
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216 | requiring starting a web server for your application and making real HTTP |
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217 | requests to it. This module allows you to test L<Catalyst> web |
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218 | applications but does not require a server or issue HTTP |
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219 | requests. Instead, it passes the HTTP request object directly to |
220 | L<Catalyst>. Thus you do not need to use a real hostname: |
221 | "http://localhost/" will do. However, this is optional. The following |
222 | two lines of code do exactly the same thing: |
223 | |
224 | $mech->get_ok('/action'); |
225 | $mech->get_ok('http://localhost/action'); |
226 | |
227 | Links which do not begin with / or are not for localhost can be handled |
228 | as normal Web requests - this is handy if you have an external |
229 | single sign-on system. You must set allow_external to true for this: |
230 | |
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231 | $mech->allow_external(1); |
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232 | |
233 | You can also test a remote server by setting the environment variable |
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234 | CATALYST_SERVER; for example: |
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235 | |
236 | $ CATALYST_SERVER=http://example.com/myapp prove -l t |
237 | |
238 | will run the same tests on the application running at |
239 | http://example.com/myapp regardless of whether or not you specify |
240 | http:://localhost for Test::WWW::Mechanize::Catalyst. |
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241 | |
242 | Furthermore, if you set CATALYST_SERVER, the server will be regarded |
243 | as a remote server even if your links point to localhost. Thus, you |
244 | can use Test::WWW::Mechanize::Catalyst to test your live webserver |
245 | running on your local machine, if you need to test aspects of your |
246 | deployment environment (for example, configuration options in an |
247 | http.conf file) instead of just the Catalyst request handling. |
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248 | |
249 | This makes testing fast and easy. L<Test::WWW::Mechanize> provides |
250 | functions for common web testing scenarios. For example: |
251 | |
252 | $mech->get_ok( $page ); |
253 | $mech->title_is( "Invoice Status", "Make sure we're on the invoice page" ); |
254 | $mech->content_contains( "Andy Lester", "My name somewhere" ); |
255 | $mech->content_like( qr/(cpan|perl)\.org/, "Link to perl.org or CPAN" ); |
256 | |
257 | This module supports cookies automatically. |
258 | |
259 | To use this module you must pass it the name of the application. See |
260 | the SYNOPSIS above. |
261 | |
262 | Note that Catalyst has a special developing feature: the debug |
263 | screen. By default this module will treat responses which are the |
264 | debug screen as failures. If you actually want to test debug screens, |
265 | please use: |
266 | |
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267 | $mmech->{catalyst_debug} = 1; |
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268 | |
269 | An alternative to this module is L<Catalyst::Test>. |
270 | |
271 | =head1 CONSTRUCTOR |
272 | |
273 | =head2 new |
274 | |
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275 | Behaves like, and calls, L<WWW::Mechanize>'s C<new> method. Any params |
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276 | passed in get passed to WWW::Mechanize's constructor. Note that we |
277 | need to pass the name of the Catalyst application to the "use": |
278 | |
279 | use Test::WWW::Mechanize::Catalyst 'Catty'; |
280 | my $mech = Test::WWW::Mechanize::Catalyst->new; |
281 | |
282 | =head1 METHODS |
283 | |
284 | =head2 allow_external |
285 | |
286 | Links which do not begin with / or are not for localhost can be handled |
287 | as normal Web requests - this is handy if you have an external |
288 | single sign-on system. You must set allow_external to true for this: |
289 | |
290 | $m->allow_external(1); |
291 | |
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292 | head2 catalyst_app |
293 | |
294 | The name of the Catalyst app which we are testing against. Read-only. |
295 | |
296 | =head2 host |
297 | |
298 | The host value to set the "Host:" HTTP header to, if none is present already in |
299 | the request. If not set (default) then Catalyst::Test will set this to |
300 | localhost:80 |
301 | |
302 | =head2 clear_host |
303 | |
304 | Unset the host attribute. |
305 | |
306 | =head2 has_host |
307 | |
308 | Do we have a value set for the host attribute |
309 | |
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310 | =head2 $mech->get_ok($url, [ \%LWP_options ,] $desc) |
311 | |
312 | A wrapper around WWW::Mechanize's get(), with similar options, except the |
313 | second argument needs to be a hash reference, not a hash. Returns true or |
314 | false. |
315 | |
316 | =head2 $mech->title_is( $str [, $desc ] ) |
317 | |
318 | Tells if the title of the page is the given string. |
319 | |
320 | $mech->title_is( "Invoice Summary" ); |
321 | |
322 | =head2 $mech->title_like( $regex [, $desc ] ) |
323 | |
324 | Tells if the title of the page matches the given regex. |
325 | |
326 | $mech->title_like( qr/Invoices for (.+)/ |
327 | |
328 | =head2 $mech->title_unlike( $regex [, $desc ] ) |
329 | |
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330 | Tells if the title of the page does NOT match the given regex. |
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331 | |
332 | $mech->title_unlike( qr/Invoices for (.+)/ |
333 | |
334 | =head2 $mech->content_is( $str [, $desc ] ) |
335 | |
336 | Tells if the content of the page matches the given string |
337 | |
338 | =head2 $mech->content_contains( $str [, $desc ] ) |
339 | |
340 | Tells if the content of the page contains I<$str>. |
341 | |
342 | =head2 $mech->content_lacks( $str [, $desc ] ) |
343 | |
344 | Tells if the content of the page lacks I<$str>. |
345 | |
346 | =head2 $mech->content_like( $regex [, $desc ] ) |
347 | |
348 | Tells if the content of the page matches I<$regex>. |
349 | |
350 | =head2 $mech->content_unlike( $regex [, $desc ] ) |
351 | |
352 | Tells if the content of the page does NOT match I<$regex>. |
353 | |
354 | =head2 $mech->page_links_ok( [ $desc ] ) |
355 | |
356 | Follow all links on the current page and test for HTTP status 200 |
357 | |
358 | $mech->page_links_ok('Check all links'); |
359 | |
360 | =head2 $mech->page_links_content_like( $regex,[ $desc ] ) |
361 | |
362 | Follow all links on the current page and test their contents for I<$regex>. |
363 | |
364 | $mech->page_links_content_like( qr/foo/, |
365 | 'Check all links contain "foo"' ); |
366 | |
367 | =head2 $mech->page_links_content_unlike( $regex,[ $desc ] ) |
368 | |
369 | Follow all links on the current page and test their contents do not |
370 | contain the specified regex. |
371 | |
372 | $mech->page_links_content_unlike(qr/Restricted/, |
373 | 'Check all links do not contain Restricted'); |
374 | |
375 | =head2 $mech->links_ok( $links [, $desc ] ) |
376 | |
377 | Check the current page for specified links and test for HTTP status |
378 | 200. The links may be specified as a reference to an array containing |
379 | L<WWW::Mechanize::Link> objects, an array of URLs, or a scalar URL |
380 | name. |
381 | |
382 | my @links = $mech->find_all_links( url_regex => qr/cnn\.com$/ ); |
383 | $mech->links_ok( \@links, 'Check all links for cnn.com' ); |
384 | |
385 | my @links = qw( index.html search.html about.html ); |
386 | $mech->links_ok( \@links, 'Check main links' ); |
387 | |
388 | $mech->links_ok( 'index.html', 'Check link to index' ); |
389 | |
390 | =head2 $mech->link_status_is( $links, $status [, $desc ] ) |
391 | |
392 | Check the current page for specified links and test for HTTP status |
393 | passed. The links may be specified as a reference to an array |
394 | containing L<WWW::Mechanize::Link> objects, an array of URLs, or a |
395 | scalar URL name. |
396 | |
397 | my @links = $mech->links(); |
398 | $mech->link_status_is( \@links, 403, |
399 | 'Check all links are restricted' ); |
400 | |
401 | =head2 $mech->link_status_isnt( $links, $status [, $desc ] ) |
402 | |
403 | Check the current page for specified links and test for HTTP status |
404 | passed. The links may be specified as a reference to an array |
405 | containing L<WWW::Mechanize::Link> objects, an array of URLs, or a |
406 | scalar URL name. |
407 | |
408 | my @links = $mech->links(); |
409 | $mech->link_status_isnt( \@links, 404, |
410 | 'Check all links are not 404' ); |
411 | |
412 | =head2 $mech->link_content_like( $links, $regex [, $desc ] ) |
413 | |
414 | Check the current page for specified links and test the content of |
415 | each against I<$regex>. The links may be specified as a reference to |
416 | an array containing L<WWW::Mechanize::Link> objects, an array of URLs, |
417 | or a scalar URL name. |
418 | |
419 | my @links = $mech->links(); |
420 | $mech->link_content_like( \@links, qr/Restricted/, |
421 | 'Check all links are restricted' ); |
422 | |
423 | =head2 $mech->link_content_unlike( $links, $regex [, $desc ] ) |
424 | |
425 | Check the current page for specified links and test the content of each |
426 | does not match I<$regex>. The links may be specified as a reference to |
427 | an array containing L<WWW::Mechanize::Link> objects, an array of URLs, |
428 | or a scalar URL name. |
429 | |
430 | my @links = $mech->links(); |
431 | $mech->link_content_like( \@links, qr/Restricted/, |
432 | 'Check all links are restricted' ); |
433 | |
434 | =head2 follow_link_ok( \%parms [, $comment] ) |
435 | |
436 | Makes a C<follow_link()> call and executes tests on the results. |
437 | The link must be found, and then followed successfully. Otherwise, |
438 | this test fails. |
439 | |
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440 | I<%parms> is a hashref containing the params to pass to C<follow_link()>. |
441 | Note that the params to C<follow_link()> are a hash whereas the parms to |
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442 | this function are a hashref. You have to call this function like: |
443 | |
444 | $agent->follow_like_ok( {n=>3}, "looking for 3rd link" ); |
445 | |
446 | As with other test functions, C<$comment> is optional. If it is supplied |
447 | then it will display when running the test harness in verbose mode. |
448 | |
449 | Returns true value if the specified link was found and followed |
450 | successfully. The HTTP::Response object returned by follow_link() |
451 | is not available. |
452 | |
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453 | =head1 CAVEATS |
454 | |
455 | =head2 External Redirects and allow_external |
456 | |
457 | If you use non-fully qualified urls in your test scripts (i.e. anything without |
458 | a host, such as C<< ->get_ok( "/foo") >> ) and your app redirects to an |
459 | external URL, expect to be bitten once you come back to your application's urls |
460 | (it will try to request them on the remote server.) This is due to a limitation |
461 | in WWW::Mechanize. |
462 | |
463 | One workaround for this is that if you are expecting to redirect to an external |
464 | site, clone the TWMC obeject and use the cloned object for the external |
465 | redirect. |
466 | |
467 | |
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468 | =head1 SEE ALSO |
469 | |
470 | Related modules which may be of interest: L<Catalyst>, |
471 | L<Test::WWW::Mechanize>, L<WWW::Mechanize>. |
472 | |
473 | =head1 AUTHOR |
474 | |
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475 | Ash Berlin C<< <ash@cpan.org> >> (current maintiner) |
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476 | |
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477 | Original Author: Leon Brocard, C<< <acme@astray.com> >> |
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478 | |
479 | =head1 COPYRIGHT |
480 | |
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481 | Copyright (C) 2005-8, Leon Brocard |
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482 | |
483 | =head1 LICENSE |
484 | |
485 | This module is free software; you can redistribute it or modify it |
486 | under the same terms as Perl itself. |
487 | |