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module Shoulda # :nodoc:
module Controller # :nodoc:
module Matchers
# Ensures a controller responded with expected 'response' content type.
#
# You can pass an explicit content type such as 'application/rss+xml'
# or its symbolic equivalent :rss
# or a regular expression such as /rss/
#
# Example:
#
# it { should respond_with_content_type(:xml) }
# it { should respond_with_content_type(:csv) }
# it { should respond_with_content_type(:atom) }
# it { should respond_with_content_type(:yaml) }
# it { should respond_with_content_type(:text) }
# it { should respond_with_content_type('application/rss+xml') }
# it { should respond_with_content_type(/json/) }
def respond_with_content_type(content_type)
RespondWithContentTypeMatcher.new(content_type)
end
class RespondWithContentTypeMatcher # :nodoc:
def initialize(content_type)
@content_type = if content_type.is_a?(Symbol)
lookup_by_extension(content_type)
else
content_type
end
end
def matches?(controller)
@controller = controller
if @content_type.is_a?(Regexp)
response_content_type =~ @content_type
else
response_content_type == @content_type
end
end
def failure_message
"Expected #{expectation}"
end
def negative_failure_message
"Did not expect #{expectation}"
end
protected
def response_content_type
@controller.response.content_type
end
def lookup_by_extension(extension)
Mime::Type.lookup_by_extension(extension.to_s).to_s
end
def expectation
"content type to be #{@content_type}, " <<
"but was #{response_content_type}"
end
end
end
end
end
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