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Refactor HaveMatcher
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1 changed files with 25 additions and 41 deletions
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@ -5,67 +5,51 @@ module Spectator::Matchers
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# For a `String`, the `includes?` method is used.
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# Otherwise, it expects an `Enumerable` and iterates over each item until === is true.
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struct HaveMatcher(ExpectedType) < ValueMatcher(ExpectedType)
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# Determines whether the matcher is satisfied with the value given to it.
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# True is returned if the match was successful, false otherwise.
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private def match?(actual)
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if actual.is_a?(String)
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match_string?(actual)
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actual_value = actual.value
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if actual_value.is_a?(String)
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match_string(actual_value)
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else
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match_enumerable?(actual)
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match_enumerable(actual_value)
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end
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end
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# Checks if a `String` matches the expected values.
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# The `includes?` method is used for this check.
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private def match_string?(actual)
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expected.all? do |item|
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actual.includes?(item)
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private def match_string?(actual_value)
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expected.value.all? do |item|
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actual_value.includes?(item)
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end
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end
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# Checks if an `Enumerable` matches the expected values.
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# The `===` operator is used on every item.
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private def match_enumerable?(actual)
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array = actual.to_a
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expected.all? do |item|
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array.any? do |elem|
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item === elem
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private def match_enumerable?(actual_value)
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array = actual_value.to_a
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expected.value.all? do |item|
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array.any? do |element|
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item === element
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end
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end
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end
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# Determines whether the matcher is satisfied with the partial given to it.
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def match(partial, negated = false)
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values = ExpectedActual.new(partial, self)
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MatchData.new(match?(values.actual), values)
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def description
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"includes #{expected.label}"
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end
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# Match data specific to this matcher.
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private struct MatchData(ExpectedType, ActualType) < MatchData
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# Creates the match data.
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def initialize(matched, @values : ExpectedActual(ExpectedType, ActualType))
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super(matched)
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end
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private def failure_message(actual)
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"#{actual.label} does not include #{expected.label}"
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end
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# Information about the match.
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def named_tuple
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{
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subset: NegatableMatchDataValue.new(@values.expected),
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superset: @values.actual,
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}
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end
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private def failure_message_when_negated(actual)
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"#{actual.label} includes #{expected.label}"
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end
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# Describes the condition that satisfies the matcher.
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# This is informational and displayed to the end-user.
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def message
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"#{@values.actual_label} includes #{@values.expected_label}"
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end
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# Describes the condition that won't satsify the matcher.
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# This is informational and displayed to the end-user.
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def negated_message
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"#{@values.actual_label} does not include #{@values.expected_label}"
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end
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private def values(actual)
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{
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subset: expected.value.inspect,
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superset: actual.value.inspect,
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}
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end
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end
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end
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