test::kantan - perl and testing
DESCRIPTION
YAPC::Asia 2014 Slde.TRANSCRIPT
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Perl and testing libraries…!
tokuhirom YAPC::Asia 2014
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Conclusion
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You should try Test::Kantan
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Self introduction
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Server side Web engineer
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Amon2
Localizer
MadEyeArcher
CarolineDifflet
Furl
Docopt SQL::MakerHTTP::Session2
FormValidator::Lite
mobirc
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Test::SharedFork Test::Pretty Test::TCP
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If you have any questions around the modules, you can ask me after this talk.
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Do you like testing?
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Do you like TDD?
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Then…
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History of Perl testing libraries…!
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Test::More, Test::Class
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Test::More
use Test::More tests => 1;
ok(“dan” eq “kogai”);
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Test::Class
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ArchitectureTest::Builder
Test::More Test::Class Test::Exceptions
etc…
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Test::Builder
• Counts number of tests
• Counts number of Failures
• Counts number of Succeeded.
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TAP!
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Test Anything Protocol
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Latest enhancements
• subtest • done_testing
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subtest 'feature2', sub { ok 1, 'it works'; ok 0, 'it looks great'; }; done_testing;
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TAP with prove
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prove eats TAP
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Test::Builder is evolving…
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Test::Builder2
• It may started at 2011. • With dreams…
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TB2
• Custom output • Full rewrite • OO-ish APIs
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But…
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We need workaround for now…!
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Test::Pretty 爆誕
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Pretty output without code modifications!
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めっちゃ見やすい!!
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How it works?
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Monkey patching…
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But it works. Maybe.
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It’s not a big problem. Because this is a
workaround for now.
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Test::Ika
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RSpec like testing framework for Perl5
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Ika?
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Ika =
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Please check it, if you love RSpec.
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Test::More の停滞 Development has stagnated
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Test::Builder2
• It may started at 2011. • With dreams… • It was gone. ← NEW!
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Test::More x.xx was released.
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Then…
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I can’t wait evolution.
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Test::Kantan 爆誕
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Yet another testing framework
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Test::Kantan is not based on Test::Builder
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What’s new?
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subtests with hooks
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before_each after_each
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jasmine inspired interfaces.
IIRC
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BDD Style
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Given-When-Then
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Plain old Test::More style
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Assertions
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ok { $foo->bar() eq ‘baz’ };
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Power Assert hooks B optree.
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ok { x(x($foo)->bar()) eq ‘baz’ };
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expect($x)->to_be_true;
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Shows testing details if it’s failed.
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All or nothing. pass or die;
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Conclusion
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Conclusion
• Test::SharedFork
• Test::TCP
• Test::Pretty
• Test::Ika
• Test::Kantan ← NEW!
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Enjoy testing!
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Thanks