2013-10-14 02:36:58 +00:00
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---
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2013-01-24 21:04:38 +00:00
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title: Minitest
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2015-11-24 05:02:17 +00:00
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category: Ruby
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2013-01-24 21:04:38 +00:00
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---
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### Usage
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require 'minitest/autorun'
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describe "X" do
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2013-08-24 07:43:10 +00:00
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before do .. end
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after do .. end
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subject { .. }
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let(:list) { Array.new }
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2013-01-24 21:04:38 +00:00
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it "should work" do
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assert true
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end
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end
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2014-02-25 10:32:14 +00:00
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### Specs (.must/.wont)
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2013-01-24 21:04:38 +00:00
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2016-03-28 06:56:43 +00:00
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expect(x)
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2014-02-25 10:32:14 +00:00
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.must_be :==, 0
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2013-08-24 07:43:10 +00:00
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.must_equal b
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.must_be_close_to 2.99999
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.must_be_same_as b
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2013-01-24 21:04:38 +00:00
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2013-08-24 07:43:10 +00:00
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.must_include needle
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.must_be_empty
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2013-01-24 21:04:38 +00:00
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.must_be_kind_of
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2013-08-24 07:43:10 +00:00
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.must_be_instance_of
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.must_be_nil
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.must_match /regex/
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.must_be :<=, 42
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.must_respond_to msg
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.must_be_silent ( proc { "no stdout or stderr" }.must_be_silent)
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.must_output "hi"
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2013-01-24 21:04:38 +00:00
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proc { ... }.must_output out_or_nil [, err]
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proc { ... }.must_raise exception
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proc { ... }.must_throw sym
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2020-07-08 00:58:58 +00:00
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### Test
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2013-01-24 21:04:38 +00:00
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2020-07-08 00:58:58 +00:00
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class TestHipster < Minitest::Test
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2014-03-26 12:44:55 +00:00
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def setup
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@subject = ["silly hats", "skinny jeans"]
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end
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2014-02-25 10:32:14 +00:00
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2014-03-26 12:44:55 +00:00
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def teardown
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@hipster.destroy!
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end
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2014-02-25 10:32:14 +00:00
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2014-03-26 12:44:55 +00:00
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def test_for_helvetica_font
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assert_equal "helvetica!", @hipster.preferred_font
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end
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2014-02-25 10:32:14 +00:00
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2014-03-26 12:44:55 +00:00
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def test_not_mainstream
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refute @hipster.mainstream?
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end
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2014-02-25 10:32:14 +00:00
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end
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### Assertions
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assert
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assert_block { ... }
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assert_empty
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assert_equal 2, @size
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assert_in_delta @size, 1, 1
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assert_in_epsilon
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assert_includes @list, "item"
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assert_instance_of Array, @list
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assert_kind_of Enumerable, @list
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assert_match @str, /regex/
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assert_nil
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assert_operator @n, :==, 0
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assert_output
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assert_raises
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assert_respond_to
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assert_same
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assert_send
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assert_silent
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assert_throws
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2020-07-08 00:58:58 +00:00
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### Minitest::Mock
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2014-02-25 10:32:14 +00:00
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A simple and clean mock system. There two essential methods at our disposal: expect and verify.
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require 'minitest/autorun'
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describe Twipster, "Make every tweet a hipster tweet." do
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before do
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2020-07-08 00:58:58 +00:00
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@twitter = Minitest::Mock.new
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2014-02-25 10:32:14 +00:00
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@twipster = Twipster.new(@twitter)
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end
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it "should append a #lolhipster hashtag and update Twitter with our status" do
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tweet = "Skyrim? Too mainstream."
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@twitter.expect :update, true, ["#{tweet} #lolhipster"]
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@twipster.submit(tweet)
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assert @twitter.verify # verifies tweet and hashtag was passed to `@twitter.update`
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end
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end
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### Reporters
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gem 'minitest-reporters'
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require 'minitest/reporters'
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Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new
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2013-01-24 21:04:38 +00:00
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2014-02-25 10:32:14 +00:00
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[Default, Spec, Progress, RubyMate, RubyMine, JUnit]
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