Acme-CPANModulesBundle-Import-PerlDancerAdvent-2018

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devdata/http_advent.perldancer.org_2018_17  view on Meta::CPAN

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devdata/http_advent.perldancer.org_2018_17  view on Meta::CPAN

        from =&gt; 'foo@perl.dance',
        to =&gt; 'bar@perl.dance',
        subject =&gt; 'Welcome to the dancefloor!',
        type =&gt; 'html',
        body =&gt; $html,
    }

    redirect '/home';
}</pre>

<h2><a name="utf_8"></a>UTF-8</h2>

<p>Take care to encode your content and mail headers if it may contain UTF-8 characters.
It might even look good in your email client if you don't do this, but not necessarily for other ones.</p>
<pre class="prettyprint">email {
    from =&gt; 'foo@perl.dance',
    to =&gt; 'bar@perl.dance',
    subject =&gt; encode('MIME-Header', '&#xdc;ber uns'),
    type =&gt; 'html',
    body =&gt; encode('UTF-8',
        'Die Geschichte unseres Projekts begann mit dem franz&#xf6;sischen Entwicker Alexis Sukrieh ...'),

devdata/http_advent.perldancer.org_2018_18  view on Meta::CPAN

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<title> Customizing and extending your Dancer2 application generation | PerlDancer Advent Calendar</title>
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devdata/http_advent.perldancer.org_2018_19  view on Meta::CPAN

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devdata/http_advent.perldancer.org_2018_20  view on Meta::CPAN

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<title> Testing Dancer with Test::Mojo | PerlDancer Advent Calendar</title>
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devdata/http_advent.perldancer.org_2018_20  view on Meta::CPAN

<h2><a name="the_tests"></a>The Tests</h2>

<p>Of course we could start the application with <a href="https://metacpan.org/pod/distribution/Plack/script/plackup">plackup</a> but that's not what we're trying to do.
I'll break the test script down a bit but if you want to see any of these files look at the <a href="https://github.com/MojoliciousDotIO/mojolicious.io/tree/master/blog/2018/12/20/testing-dancer/ex">blog repo</a> for a full listing.
Instead, let's load this into a test script.</p>
<pre class="prettyprint">use Mojo::Base -strict;</pre>

<p>Now if you aren't familiar, <code>use Mojo::Base -strict</code> is a quick way to say</p>
<pre class="prettyprint">use strict;
use warnings;
use utf8;
use IO::Handle;
use feature ':5.10';</pre>

<p>but saves a lot of typing.
Next we load the necessary testing libraries.
Then make an instance of <code>Test::Mojo</code> composed with the <code>PSGI</code> role and make a new instance that points to the app we want to test.</p>
<pre class="prettyprint">use Test::More;
use Test::Mojo;
my $t = Test::Mojo-&gt;with_roles('+PSGI')-&gt;new('app.psgi');</pre>

devdata/http_advent.perldancer.org_2018_20  view on Meta::CPAN

<pre class="prettyprint">$t-&gt;get_ok('/text')
  -&gt;status_is(200)
  -&gt;content_type_like(qr[text/plain])
  -&gt;content_is('hello world');</pre>

<p>Each of the above method calls is a test.
The first, <code>get_ok</code>, builds a transaction and requests the resource.
Since the url is relative, it is handled by the app (if we wanted we could request and web resource too using a fully qualified url).
The transaction is stored in the tester object (<code>$t</code>) and all following tests will check it until it is replaced by the next request.</p>
<p>The remaining tests are reasonably self-explanatory, we check that the response status was 200, that we got a content type header that we expected and that its content is as we expect.
The content has already been utf-8 decoded, and the script has implicitly <code>use utf8</code>, so if you expected unicode, you can compare them easily.
The tests return the tester object so chaining is possible, making for visually clean sets of tests.</p>
<p>The next test is similar but this one uses the standard <a href="https://mojolicious.org/perldoc/Mojo/UserAgent">Mojo::UserAgent</a> style request generation to build a query string naming Santa for our greeting.
The tests are all the same except of course that it checks that the content greets Santa.</p>
<pre class="prettyprint">$t-&gt;get_ok('/text', form =&gt; { name =&gt; 'santa' })
  -&gt;status_is(200)
  -&gt;content_type_like(qr[text/plain])
  -&gt;content_is('hello santa');</pre>

<p>Moving on we request the data endpoint, both without and with a query, then similarly test the responses.</p>
<pre class="prettyprint">$t-&gt;get_ok('/data')

devdata/http_advent.perldancer.org_2018_21  view on Meta::CPAN

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devdata/http_advent.perldancer.org_2018_22  view on Meta::CPAN

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devdata/http_advent.perldancer.org_2018_23  view on Meta::CPAN

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