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module Spec |
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module Expectations |
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class InvalidMatcherError < ArgumentError; end |
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|
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module MatcherHandlerHelper |
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def describe_matcher(matcher) |
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matcher.respond_to?(:description) ? matcher.description : "[#{matcher.class.name} does not provide a description]" |
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end |
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end |
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|
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class ExpectationMatcherHandler |
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class << self |
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include MatcherHandlerHelper |
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def handle_matcher(actual, matcher, &block) |
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if :use_operator_matcher == matcher |
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return Spec::Matchers::PositiveOperatorMatcher.new(actual) |
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end |
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|
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unless matcher.respond_to?(:matches?) |
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raise InvalidMatcherError, "Expected a matcher, got #{matcher.inspect}." |
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end |
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|
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match = matcher.matches?(actual, &block) |
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::Spec::Matchers.generated_description = "should #{describe_matcher(matcher)}" |
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Spec::Expectations.fail_with(matcher.failure_message) unless match |
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end |
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end |
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end |
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|
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class NegativeExpectationMatcherHandler |
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class << self |
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include MatcherHandlerHelper |
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def handle_matcher(actual, matcher, &block) |
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if :use_operator_matcher == matcher |
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return Spec::Matchers::NegativeOperatorMatcher.new(actual) |
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end |
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|
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unless matcher.respond_to?(:matches?) |
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raise InvalidMatcherError, "Expected a matcher, got #{matcher.inspect}." |
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end |
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|
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unless matcher.respond_to?(:negative_failure_message) |
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Spec::Expectations.fail_with( |
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<<-EOF |
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Matcher does not support should_not. |
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See Spec::Matchers for more information |
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about matchers. |
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EOF |
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) |
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end |
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match = matcher.matches?(actual, &block) |
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::Spec::Matchers.generated_description = "should not #{describe_matcher(matcher)}" |
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Spec::Expectations.fail_with(matcher.negative_failure_message) if match |
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end |
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end |
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end |
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|
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end |
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end |
