100 lines
2.5 KiB
Ruby
100 lines
2.5 KiB
Ruby
module Shoulda # :nodoc:
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module Matchers
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module ActionController # :nodoc:
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# Ensures that the controller rendered with the given layout.
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#
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# Example:
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#
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# it { should render_with_layout }
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# it { should render_with_layout(:special) }
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# it { should_not render_with_layout }
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def render_with_layout(expected_layout = nil)
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RenderWithLayoutMatcher.new(expected_layout).in_context(self)
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end
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class RenderWithLayoutMatcher # :nodoc:
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def initialize(expected_layout)
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@expected_layout = expected_layout.to_s unless expected_layout.nil?
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end
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# Used to provide access to layouts recorded by
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# ActionController::TemplateAssertions in Rails 3
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def in_context(context)
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@context = context
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self
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end
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def matches?(controller)
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@controller = controller
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rendered_with_layout? && rendered_with_expected_layout?
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end
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def failure_message
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"Expected #{expectation}, but #{result}"
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end
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def negative_failure_message
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"Did not expect #{expectation}, but #{result}"
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end
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def description
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description = "render with "
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if @expected_layout.nil?
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description << "a layout"
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else
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description << "the #{@expected_layout.inspect} layout"
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end
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description
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end
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private
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def rendered_with_layout?
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!rendered_layouts.empty?
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end
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def rendered_with_expected_layout?
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return true if @expected_layout.nil?
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rendered_layouts.include?(@expected_layout)
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end
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def rendered_layouts
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if recorded_layouts
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recorded_layouts.keys.compact.map { |layout| layout.sub(%r{^layouts/}, '') }
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else
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layout = @controller.response.layout
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if layout.nil?
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[]
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else
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[layout.split('/').last]
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end
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end
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end
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def recorded_layouts
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if @context
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@context.instance_variable_get('@layouts')
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end
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end
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def expectation
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"to #{description}"
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end
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def result
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if rendered_with_layout?
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"rendered with " <<
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rendered_layouts.map { |layout| layout.inspect }.join(", ")
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else
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"rendered without a layout"
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end
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end
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end
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end
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end
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end
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