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Versions: 27
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Stored size: 1.63 KB
Contents
module Spec
module Expectations
class InvalidMatcherError < ArgumentError; end
module MatcherHandlerHelper
def describe_matcher(matcher)
matcher.respond_to?(:description) ? matcher.description : "[#{matcher.class.name} does not provide a description]"
end
end
class ExpectationMatcherHandler
class << self
include MatcherHandlerHelper
def handle_matcher(actual, matcher, &block)
unless matcher.respond_to?(:matches?)
raise InvalidMatcherError, "Expected a matcher, got #{matcher.inspect}."
end
match = matcher.matches?(actual, &block)
::Spec::Matchers.generated_description = "should #{describe_matcher(matcher)}"
Spec::Expectations.fail_with(matcher.failure_message) unless match
end
end
end
class NegativeExpectationMatcherHandler
class << self
include MatcherHandlerHelper
def handle_matcher(actual, matcher, &block)
unless matcher.respond_to?(:matches?)
raise InvalidMatcherError, "Expected a matcher, got #{matcher.inspect}."
end
unless matcher.respond_to?(:negative_failure_message)
Spec::Expectations.fail_with(
<<-EOF
Matcher does not support should_not.
See Spec::Matchers for more information
about matchers.
EOF
)
end
match = matcher.matches?(actual, &block)
::Spec::Matchers.generated_description = "should not #{describe_matcher(matcher)}"
Spec::Expectations.fail_with(matcher.negative_failure_message) if match
end
end
end
end
end
Version data entries
27 entries across 27 versions & 5 rubygems