2018-09-15 17:58:43 +00:00
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require "../matchers"
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2018-09-27 22:20:55 +00:00
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module Spectator::DSL
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2018-11-03 02:48:36 +00:00
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# Methods for defining matchers for expectations.
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2018-09-27 22:20:55 +00:00
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module MatcherDSL
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2018-11-03 02:48:36 +00:00
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# Indicates that some value should equal another.
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2019-02-18 06:01:43 +00:00
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# The == operator is used for this check.
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2018-11-03 02:48:36 +00:00
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# The value passed to this method is the expected value.
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#
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# Example:
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# ```
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# expect(1 + 2).to eq(3)
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# ```
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2018-09-27 22:20:55 +00:00
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macro eq(expected)
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2019-02-28 22:22:14 +00:00
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::Spectator::Matchers::EqualityMatcher.new({{expected}}, {{expected.stringify}})
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2018-09-15 17:58:43 +00:00
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end
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2019-01-19 20:29:10 +00:00
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2019-01-24 04:45:16 +00:00
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# Indicates that some value should not equal another.
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2019-02-18 06:01:43 +00:00
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# The != operator is used for this check.
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2019-01-24 04:45:16 +00:00
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# The value passed to this method is the unexpected value.
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#
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# Example:
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# ```
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# expect(1 + 2).to ne(5)
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# ```
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macro ne(expected)
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2019-02-28 22:22:14 +00:00
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::Spectator::Matchers::InequalityMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-24 04:45:16 +00:00
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end
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2019-01-24 00:17:45 +00:00
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# Indicates that some value when compared to another satisfies an operator.
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2019-02-18 06:01:43 +00:00
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# An operator can follow, such as: <, <=, >, or >=.
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# See `Spectator::Matchers::TruthyMatcher` for a full list of operators.
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2019-01-24 00:17:45 +00:00
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#
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# Examples:
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# ```
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# expect(1 + 1).to be > 1
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# expect(5).to be >= 3
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# ```
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#
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2019-01-24 05:10:03 +00:00
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# Additionally, a value can just "be" truthy by omitting an operator.
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# ```
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# expect("foo").to be
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# # is the same as:
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# expect("foo").to be_truthy
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# ```
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2019-01-24 00:17:45 +00:00
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macro be
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2019-01-24 05:10:03 +00:00
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::Spectator::Matchers::TruthyMatcher.new(true)
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2019-01-24 00:17:45 +00:00
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end
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2019-05-08 22:59:59 +00:00
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# Indicates that some object should be the same as another.
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# This checks if two references are the same.
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# The `Reference#same?` method is used for this check.
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2019-01-19 20:29:10 +00:00
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#
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# Examples:
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# ```
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2019-05-08 22:59:59 +00:00
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# obj = "foobar"
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# expect(obj).to be(obj)
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# expect(obj.dup).to_not be(obj)
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2019-01-19 20:29:10 +00:00
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# ```
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macro be(expected)
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2019-05-08 22:59:59 +00:00
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::Spectator::Matchers::ReferenceMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-19 20:29:10 +00:00
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end
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2019-01-19 21:08:50 +00:00
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# Indicates that some value should be of a specified type.
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2019-02-18 06:01:43 +00:00
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# The `Object#is_a?` method is used for this check.
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# A type name or type union should be used for *expected*.
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2019-01-19 21:08:50 +00:00
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#
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# Examples:
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# ```
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# expect("foo").to be_a(String)
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#
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# x = Random.rand(2) == 0 ? "foobar" : 5
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# expect(x).to be_a(Int32 | String)
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# ```
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macro be_a(expected)
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2019-01-19 21:28:52 +00:00
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::Spectator::Matchers::TypeMatcher({{expected}}).new
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2019-01-19 21:08:50 +00:00
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end
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2019-01-19 21:40:14 +00:00
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2019-01-25 18:21:41 +00:00
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# Indicates that some value should be of a specified type.
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2019-02-18 06:01:43 +00:00
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# The `Object#is_a?` method is used for this check.
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# A type name or type union should be used for *expected*.
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2019-01-25 18:21:41 +00:00
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# This method is identical to `#be_a`,
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# and exists just to improve grammar.
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#
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# Examples:
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# ```
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# expect(123).to be_an(Int32)
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# ```
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macro be_an(expected)
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be_a({{expected}})
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end
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2019-03-29 05:20:32 +00:00
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# Indicates that some value should respond to a method call.
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# One or more method names can be provided.
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#
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# Examples:
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# ```
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# expect("foobar").to respond_to(:downcase)
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# expect(%i[a b c]).to respond_to(:size, :first)
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# ```
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macro respond_to(*expected)
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::Spectator::Matchers::RespondMatcher({% begin %}NamedTuple(
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{% for method in expected %}
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{{method.id.stringify}}: Nil,
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{% end %}
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){% end %}).new
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end
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2019-01-24 04:45:16 +00:00
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# Indicates that some value should be less than another.
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2019-02-18 06:01:43 +00:00
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# The < operator is used for this check.
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2019-01-24 04:45:16 +00:00
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# The value passed to this method is the value expected to be larger.
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#
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# Example:
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# ```
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# expect(3 - 1).to be_lt(3)
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# ```
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macro be_lt(expected)
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2019-02-28 22:22:14 +00:00
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::Spectator::Matchers::LessThanMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-24 04:45:16 +00:00
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end
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# Indicates that some value should be less than or equal to another.
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2019-02-18 06:01:43 +00:00
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# The <= operator is used for this check.
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2019-01-24 04:45:16 +00:00
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# The value passed to this method is the value expected to be larger or equal.
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#
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# Example:
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# ```
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# expect(3 - 1).to be_le(3)
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# ```
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macro be_le(expected)
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2019-02-28 22:22:14 +00:00
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::Spectator::Matchers::LessThanEqualMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-24 04:45:16 +00:00
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end
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# Indicates that some value should be greater than another.
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2019-02-18 06:01:43 +00:00
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# The > operator is used for this check.
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2019-01-24 04:45:16 +00:00
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# The value passed to this method is the value expected to be smaller.
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#
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# Example:
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# ```
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# expect(3 + 1).to be_gt(3)
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# ```
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macro be_gt(expected)
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2019-02-28 22:22:14 +00:00
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::Spectator::Matchers::GreaterThanMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-24 04:45:16 +00:00
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end
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# Indicates that some value should be greater than or equal to another.
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2019-02-18 06:01:43 +00:00
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# The >= operator is used for this check.
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2019-01-24 04:45:16 +00:00
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# The value passed to this method is the value expected to be smaller or equal.
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#
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# Example:
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# ```
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# expect(3 + 1).to be_ge(3)
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# ```
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macro be_ge(expected)
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2019-02-28 22:22:14 +00:00
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::Spectator::Matchers::GreaterThanEqualMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-24 04:45:16 +00:00
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end
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2019-01-19 21:40:14 +00:00
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# Indicates that some value should match another.
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2019-05-08 22:39:00 +00:00
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# The === (case equality) operator is used for this check.
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# Typically a regular expression is used.
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# This has identical behavior as a "when" condition in a case block.
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2019-01-19 21:40:14 +00:00
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#
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# Examples:
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# ```
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# expect("foo").to match(/foo|bar/)
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# expect("BAR").to match(/foo|bar/i)
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2019-05-08 22:39:00 +00:00
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# expect(1 + 2).to match(3)
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# expect(5).to match(Int32) # Using `#be_a` instead is recommened here.
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# expect({:foo, 5}).to match({Symbol, Int32})
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2019-01-19 21:40:14 +00:00
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# ```
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macro match(expected)
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2019-05-08 22:39:00 +00:00
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::Spectator::Matchers::CaseMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-19 21:40:14 +00:00
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end
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2019-01-23 22:35:32 +00:00
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# Indicates that some value should be true.
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#
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# Examples:
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# ```
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# expect(nil.nil?).to be_true
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# expect(%i[a b c].any?).to be_true
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# ```
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macro be_true
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eq(true)
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end
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# Indicates that some value should be false.
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#
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# Examples:
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# ```
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# expect("foo".nil?).to be_false
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# expect(%i[a b c].empty?).to be_false
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# ```
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macro be_false
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eq(false)
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end
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2019-01-23 22:51:52 +00:00
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# Indicates that some value should be truthy.
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2019-02-18 06:01:43 +00:00
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# This means that the value is not false and not nil.
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2019-01-23 22:51:52 +00:00
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#
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# Examples:
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# ```
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# expect(123).to be_truthy
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# expect(true).to be_truthy
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# ```
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macro be_truthy
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::Spectator::Matchers::TruthyMatcher.new(true)
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end
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# Indicates that some value should be falsey.
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2019-02-18 06:01:43 +00:00
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# This means that the value is either false or nil.
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2019-01-23 22:51:52 +00:00
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#
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# Examples:
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# ```
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# expect(false).to be_falsey
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# expect(nil).to be_falsey
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# ```
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macro be_falsey
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::Spectator::Matchers::TruthyMatcher.new(false)
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end
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2019-01-25 20:20:38 +00:00
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# Indicates that some value should be contained within another.
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# This checker can be used in one of two ways.
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#
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2019-02-18 06:01:43 +00:00
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# The first: the *expected* argument can be anything
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# that implements the `includes?` method.
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2019-01-25 20:20:38 +00:00
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# This is typically a `Range`, but can also be `Enumerable`.
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#
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# Examples:
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# ```
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# expect(:foo).to be_within(%i[foo bar baz])
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# expect(7).to be_within(1..10)
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# ```
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#
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2019-02-18 06:01:43 +00:00
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# The other way is to use this is with the "of" keyword.
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2019-01-25 20:20:38 +00:00
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# This creates a lower and upper bound
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2019-02-18 06:01:43 +00:00
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# centered around the value of the *expected* argument.
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2019-01-25 20:20:38 +00:00
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# This usage is helpful for comparisons on floating-point numbers.
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#
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# Examples:
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# ```
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# expect(50.0).to be_within(0.01).of(50.0)
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# expect(speed).to be_within(5).of(speed_limit)
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# ```
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#
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2019-02-18 06:01:43 +00:00
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# NOTE: The of suffix must be used
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# if the *expected* argument does not implement an includes? method.
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2019-01-25 20:20:38 +00:00
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#
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# Additionally, for this second usage,
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2019-02-18 06:01:43 +00:00
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# an "inclusive" or "exclusive" suffix can be added.
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2019-01-25 20:20:38 +00:00
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# These modify the upper-bound on the range being checked against.
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2019-02-18 06:01:43 +00:00
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# By default, the range is inclusive.
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2019-01-25 20:20:38 +00:00
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#
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# Examples:
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# ```
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# expect(days).to be_within(1).of(30).inclusive # 29, 30, or 31
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# expect(100).to be_within(2).of(99).exclusive # 97, 98, 99, or 100 (not 101)
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# ```
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#
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# NOTE: Do not attempt to mix the two use cases.
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# It likely won't work and will result in a compilation error.
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macro be_within(expected)
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2019-02-28 22:22:14 +00:00
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::Spectator::Matchers::RangeMatcher.new({{expected}}, {{expected.stringify}})
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2019-01-25 20:20:38 +00:00
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end
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# Indicates that some value should be between a lower and upper-bound.
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#
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# Example:
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# ```
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# expect(7).to be_within(1, 10)
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# ```
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#
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2019-02-18 06:01:43 +00:00
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# Additionally, an "inclusive" or "exclusive" suffix can be added.
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2019-01-25 20:20:38 +00:00
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# These modify the upper-bound on the range being checked against.
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2019-02-18 06:01:43 +00:00
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# By default, the range is inclusive.
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2019-01-25 20:20:38 +00:00
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#
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# Examples:
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# ```
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# expect(days).to be_within(28, 31).inclusive # 28, 29, 30, or 31
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# expect(100).to be_within(97, 101).exclusive # 97, 98, 99, or 100 (not 101)
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# ```
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macro be_within(min, max)
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:Spectator::Matchers::RangeMatcher.new(
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2019-02-28 22:22:14 +00:00
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Range.new({{min}}, {{max}}),
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[{{min.stringify}}, {{max.stringify}}].join(" to ")
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2019-01-25 20:20:38 +00:00
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)
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end
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2019-01-26 23:42:58 +00:00
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2019-02-02 02:10:28 +00:00
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# Indicates that some value should be within a delta of an expected value.
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#
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# Example:
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# ```
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# expect(pi).to be_close(3.14159265359, 0.0000001)
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# ```
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#
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# This is functionly equivalent to:
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# ```
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# be_within(expected).of(delta)
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# ```
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macro be_close(expected, delta)
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be_within({{delta}}).of({{expected}})
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end
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2019-01-26 23:42:58 +00:00
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# Indicates that some value should or should not be nil.
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#
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# Examples:
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# ```
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# expect(error).to be_nil
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# expect(input).to_not be_nil
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# ```
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macro be_nil
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::Spectator::Matchers::NilMatcher.new
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end
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2019-01-27 00:04:46 +00:00
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# Indicates that some collection should be empty.
|
|
|
|
#
|
|
|
|
# Example:
|
|
|
|
# ```
|
|
|
|
# expect([]).to be_empty
|
|
|
|
# ```
|
|
|
|
macro be_empty
|
|
|
|
::Spectator::Matchers::EmptyMatcher.new
|
|
|
|
end
|
2019-01-31 23:43:43 +00:00
|
|
|
|
|
|
|
# Indicates that some value or set should start with another value.
|
|
|
|
# This is typically used on a `String` or `Array` (any `Enumerable` works).
|
2019-02-18 06:01:43 +00:00
|
|
|
# The *expected* argument can be a `String`, `Char`, or `Regex`
|
2019-01-31 23:43:43 +00:00
|
|
|
# when the actual type (being comapred against) is a `String`.
|
|
|
|
# For `Enumerable` types, only the first item is inspected.
|
2019-02-18 06:01:43 +00:00
|
|
|
# It is compared with the === operator,
|
2019-01-31 23:43:43 +00:00
|
|
|
# so that values, types, regular expressions, and others can be tested.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect("foobar").to start_with("foo")
|
|
|
|
# expect("foobar").to start_with('f')
|
|
|
|
# expect("FOOBAR").to start_with(/foo/i)
|
|
|
|
#
|
|
|
|
# expect(%i[a b c]).to start_with(:a)
|
|
|
|
# expect(%i[a b c]).to start_with(Symbol)
|
|
|
|
# expect(%w[foo bar]).to start_with(/foo/)
|
|
|
|
# ```
|
|
|
|
macro start_with(expected)
|
2019-02-28 22:22:14 +00:00
|
|
|
::Spectator::Matchers::StartWithMatcher.new({{expected}}, {{expected.stringify}})
|
2019-01-31 23:43:43 +00:00
|
|
|
end
|
2019-02-01 05:05:27 +00:00
|
|
|
|
|
|
|
# Indicates that some value or set should end with another value.
|
|
|
|
# This is typically used on a `String` or `Array` (any `Indexable` works).
|
2019-02-18 06:01:43 +00:00
|
|
|
# The *expected* argument can be a `String`, `Char`, or `Regex`
|
2019-02-01 05:05:27 +00:00
|
|
|
# when the actual type (being comapred against) is a `String`.
|
|
|
|
# For `Indexable` types, only the last item is inspected.
|
2019-02-18 06:01:43 +00:00
|
|
|
# It is compared with the === operator,
|
2019-02-01 05:05:27 +00:00
|
|
|
# so that values, types, regular expressions, and others can be tested.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect("foobar").to end_with("bar")
|
|
|
|
# expect("foobar").to end_with('r')
|
|
|
|
# expect("FOOBAR").to end_with(/bar/i)
|
|
|
|
#
|
|
|
|
# expect(%i[a b c]).to end_with(:c)
|
|
|
|
# expect(%i[a b c]).to end_with(Symbol)
|
|
|
|
# expect(%w[foo bar]).to end_with(/bar/)
|
|
|
|
# ```
|
|
|
|
macro end_with(expected)
|
2019-02-28 22:22:14 +00:00
|
|
|
::Spectator::Matchers::EndWithMatcher.new({{expected}}, {{expected.stringify}})
|
2019-02-01 05:05:27 +00:00
|
|
|
end
|
2019-02-01 06:06:00 +00:00
|
|
|
|
|
|
|
# Indicates that some value or set should contain another value.
|
|
|
|
# This is typically used on a `String` or `Array` (any `Enumerable` works).
|
2019-02-18 06:01:43 +00:00
|
|
|
# The *expected* argument can be a `String` or `Char`
|
2019-02-01 06:06:00 +00:00
|
|
|
# when the actual type (being comapred against) is a `String`.
|
2019-02-01 23:25:45 +00:00
|
|
|
# For `Enumerable` types, items are compared using the underying implementation.
|
2019-02-01 06:06:00 +00:00
|
|
|
# In both cases, the `includes?` method is used.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect("foobar").to contain("foo")
|
|
|
|
# expect("foobar").to contain('o')
|
|
|
|
# expect(%i[a b c]).to contain(:b)
|
|
|
|
# ```
|
2019-02-02 02:43:42 +00:00
|
|
|
#
|
|
|
|
# Additionally, multiple arguments can be specified.
|
|
|
|
# ```
|
|
|
|
# expect("foobarbaz").to contain("foo", "bar")
|
|
|
|
# expect(%i[a b c]).to contain(:a, :b)
|
|
|
|
# ```
|
|
|
|
macro contain(*expected)
|
2019-02-28 22:22:14 +00:00
|
|
|
::Spectator::Matchers::ContainMatcher.new({{expected}}, {{expected.splat.stringify}})
|
2019-02-01 06:06:00 +00:00
|
|
|
end
|
2019-02-01 23:25:45 +00:00
|
|
|
|
|
|
|
# Indicates that some value or set should contain another value.
|
|
|
|
# This is similar to `#contain`, but uses a different method for matching.
|
|
|
|
# Typically a `String` or `Array` (any `Enumerable` works) is checked against.
|
2019-02-18 06:01:43 +00:00
|
|
|
# The *expected* argument can be a `String` or `Char`
|
2019-02-01 23:25:45 +00:00
|
|
|
# when the actual type (being comapred against) is a `String`.
|
|
|
|
# The `includes?` method is used for this case.
|
|
|
|
# For `Enumerable` types, each item is inspected until one matches.
|
2019-02-18 06:01:43 +00:00
|
|
|
# The === operator is used for this case, which allows for equality, type, regex, and other matches.
|
2019-02-01 23:25:45 +00:00
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect("foobar").to have("foo")
|
|
|
|
# expect("foobar").to have('o')
|
|
|
|
#
|
|
|
|
# expect(%i[a b c]).to have(:b)
|
|
|
|
# expect(%w[FOO BAR BAZ]).to have(/bar/i)
|
|
|
|
# expect([1, 2, 3, :a, :b, :c]).to have(Int32)
|
|
|
|
# ```
|
2019-02-02 03:27:51 +00:00
|
|
|
#
|
|
|
|
# Additionally, multiple arguments can be specified.
|
|
|
|
# ```
|
|
|
|
# expect("foobarbaz").to have("foo", "bar")
|
|
|
|
# expect(%i[a b c]).to have(:a, :b)
|
|
|
|
# expect(%w[FOO BAR BAZ]).to have(/foo/i, String)
|
|
|
|
# ```
|
|
|
|
macro have(*expected)
|
2019-02-28 22:22:14 +00:00
|
|
|
::Spectator::Matchers::HaveMatcher.new({{expected}}, {{expected.splat.stringify}})
|
2019-02-01 23:25:45 +00:00
|
|
|
end
|
2019-02-02 05:24:06 +00:00
|
|
|
|
2019-02-05 19:47:50 +00:00
|
|
|
# Indicates that some set, such as a `Hash`, has a given key.
|
|
|
|
# The `has_key?` method is used for this check.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect({foo: "bar"}).to have_key(:foo)
|
|
|
|
# expect({"lucky" => 7}).to have_key("lucky")
|
|
|
|
# ```
|
|
|
|
macro have_key(expected)
|
2019-02-28 22:22:14 +00:00
|
|
|
::Spectator::Matchers::HaveKeyMatcher.new({{expected}}, {{expected.stringify}})
|
2019-02-05 19:47:50 +00:00
|
|
|
end
|
|
|
|
|
|
|
|
# ditto
|
|
|
|
macro has_key(expected)
|
|
|
|
have_key({{expected}})
|
|
|
|
end
|
|
|
|
|
2019-02-06 02:37:25 +00:00
|
|
|
# Indicates that some set, such as a `Hash`, has a given value.
|
|
|
|
# The `has_value?` method is used for this check.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect({foo: "bar"}).to have_value("bar")
|
|
|
|
# expect({"lucky" => 7}).to have_value(7)
|
|
|
|
# ```
|
|
|
|
macro have_value(expected)
|
2019-02-28 22:22:14 +00:00
|
|
|
::Spectator::Matchers::HaveValueMatcher.new({{expected}}, {{expected.stringify}})
|
2019-02-06 02:37:25 +00:00
|
|
|
end
|
|
|
|
|
|
|
|
# ditto
|
|
|
|
macro has_value(expected)
|
|
|
|
have_value({{expected}})
|
|
|
|
end
|
|
|
|
|
2019-03-30 21:07:04 +00:00
|
|
|
# Indicates that some set should contain some values in exact order.
|
|
|
|
#
|
|
|
|
# Example:
|
|
|
|
# ```
|
|
|
|
# expect([1, 2, 3]).to contain_exactly(1, 2, 3)
|
|
|
|
# ```
|
|
|
|
macro contain_exactly(*expected)
|
|
|
|
::Spectator::Matchers::ArrayMatcher.new({{expected}}, {{expected.stringify}})
|
|
|
|
end
|
|
|
|
|
|
|
|
# Indicates that some set should contain the same values in exact order as another set.
|
|
|
|
#
|
|
|
|
# Example:
|
|
|
|
# ```
|
|
|
|
# expect([1, 2, 3]).to match_array([1, 2, 3])
|
|
|
|
# ```
|
|
|
|
macro match_array(expected)
|
|
|
|
::Spectator::Matchers::ArrayMatcher.new({{expected}}, {{expected.stringify}})
|
|
|
|
end
|
|
|
|
|
2019-02-02 05:24:06 +00:00
|
|
|
# Indicates that some value should have a set of attributes matching some conditions.
|
|
|
|
# A list of named arguments are expected.
|
|
|
|
# The names correspond to the attributes in the instance to check.
|
2019-02-18 06:01:43 +00:00
|
|
|
# The values are conditions to check with the === operator against the attribute's value.
|
2019-02-02 05:24:06 +00:00
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect("foobar").to have_attributes(size: 6, upcase: "FOOBAR")
|
|
|
|
# expect(%i[a b c]).to have_attributes(size: 1..5, first: Symbol)
|
|
|
|
# ```
|
|
|
|
macro have_attributes(**expected)
|
2019-02-28 22:22:14 +00:00
|
|
|
::Spectator::Matchers::AttributesMatcher.new({{expected}}, {{expected.double_splat.stringify}})
|
2019-02-02 05:24:06 +00:00
|
|
|
end
|
2019-02-05 05:52:09 +00:00
|
|
|
|
2019-03-22 03:10:16 +00:00
|
|
|
# Indicates that some block should raise an error.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect { raise "foobar" }.to raise_error
|
|
|
|
# ```
|
|
|
|
macro raise_error
|
|
|
|
::Spectator::Matchers::ExceptionMatcher(Exception, Nil).new
|
|
|
|
end
|
|
|
|
|
|
|
|
# Indicates that some block should raise an error with a given message or type.
|
|
|
|
# The *type_or_message* parameter should be an exception type
|
|
|
|
# or a string or regex to match the exception's message against.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# hash = {"foo" => "bar"}
|
|
|
|
# expect { hash["baz"] }.to raise_error(KeyError)
|
|
|
|
# expect { hash["baz"] }.to raise_error(/baz/)
|
|
|
|
# expect { raise "foobar" }.to raise_error("foobar")
|
|
|
|
# ```
|
|
|
|
macro raise_error(type_or_message)
|
|
|
|
::Spectator::Matchers::ExceptionMatcher.create({{type_or_message}}, {{type_or_message.stringify}})
|
|
|
|
end
|
|
|
|
|
|
|
|
# Indicates that some block should raise an error with a given message and type.
|
|
|
|
# The *type* is the exception type expected to be raised.
|
|
|
|
# The *message* is a string or regex to match to exception message against.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# hash = {"foo" => "bar"}
|
|
|
|
# expect { hash["baz"] }.to raise_error(KeyError, /baz/)
|
|
|
|
# expect { raise ArgumentError.new("foobar") }.to raise_error(ArgumentError, "foobar")
|
|
|
|
# ```
|
|
|
|
macro raise_error(type, message)
|
2019-05-08 21:18:56 +00:00
|
|
|
::Spectator::Matchers::ExceptionMatcher.create({{type}}, {{message}}, {{message.stringify}})
|
2019-03-22 03:10:16 +00:00
|
|
|
end
|
|
|
|
|
2019-03-22 03:18:36 +00:00
|
|
|
# Indicates that some block should raise an error.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# expect_raises { raise "foobar" }
|
|
|
|
# ```
|
|
|
|
macro expect_raises
|
2019-04-01 00:53:40 +00:00
|
|
|
expect {{block}}.to raise_error
|
2019-03-22 03:18:36 +00:00
|
|
|
end
|
|
|
|
|
|
|
|
# Indicates that some block should raise an error with a given type.
|
|
|
|
# The *type* parameter should be an exception type.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# hash = {"foo" => "bar"}
|
|
|
|
# expect_raises(KeyError) { hash["baz"] }.to raise_error(KeyError)
|
|
|
|
# ```
|
2019-03-27 03:45:31 +00:00
|
|
|
macro expect_raises(type, &block)
|
|
|
|
expect {{block}}.to raise_error({{type}})
|
2019-03-22 03:18:36 +00:00
|
|
|
end
|
|
|
|
|
|
|
|
# Indicates that some block should raise an error with a given message and type.
|
|
|
|
# The *type* is the exception type expected to be raised.
|
|
|
|
# The *message* is a string or regex to match to exception message against.
|
|
|
|
# This method is included for compatibility with Crystal's default spec.
|
|
|
|
#
|
|
|
|
# Examples:
|
|
|
|
# ```
|
|
|
|
# hash = {"foo" => "bar"}
|
|
|
|
# expect_raises(KeyError, /baz/) { hash["baz"] }
|
|
|
|
# expect_raises(ArgumentError, "foobar") { raise ArgumentError.new("foobar") }
|
|
|
|
# ```
|
2019-03-27 03:45:31 +00:00
|
|
|
macro expect_raises(type, message, &block)
|
|
|
|
expect {{block}}.to raise_error({{type}}, {{message}})
|
2019-03-22 03:18:36 +00:00
|
|
|
end
|
|
|
|
|
2019-02-05 05:52:09 +00:00
|
|
|
# Used to create predicate matchers.
|
2019-02-18 06:01:43 +00:00
|
|
|
# Any missing method that starts with 'be_' will be handled.
|
2019-02-05 05:52:09 +00:00
|
|
|
# All other method names will be ignored and raise a compile-time error.
|
|
|
|
#
|
2019-02-18 06:01:43 +00:00
|
|
|
# This can be used to simply check a predicate method that ends in '?'.
|
2019-02-05 05:52:09 +00:00
|
|
|
# For instance:
|
|
|
|
# ```
|
|
|
|
# expect("foobar").to be_ascii_only
|
|
|
|
# # Is equivalent to:
|
|
|
|
# expect("foobar".ascii_only?).to be_true
|
|
|
|
# ```
|
|
|
|
macro method_missing(call)
|
|
|
|
{% if call.name.starts_with?("be_") %}
|
2019-02-18 06:01:43 +00:00
|
|
|
{% method_name = call.name[3..-1] %} # Remove be_ prefix.
|
2019-02-05 17:36:37 +00:00
|
|
|
::Spectator::Matchers::PredicateMatcher(NamedTuple({{method_name}}: Nil)).new
|
2019-02-05 05:52:09 +00:00
|
|
|
{% else %}
|
|
|
|
{% raise "Undefined local variable or method '#{call}'" %}
|
|
|
|
{% end %}
|
|
|
|
end
|
2018-09-15 17:58:43 +00:00
|
|
|
end
|
|
|
|
end
|