41 lines
978 B
Ruby
41 lines
978 B
Ruby
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module Mutant
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# A class to expect some warning message raising on absence of unexpected warnings
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class WarningExpectation
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include Adamantium::Flat, Concord.new(:expected)
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# Error raised on expectation miss
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class ExpectationError < RuntimeError
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include Concord.new(:unexpected, :missing)
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# Return exception message
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#
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# @return [String]
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#
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# @api private
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#
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def message
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"Unexpected warnings: #{unexpected.inspect} missing warnigns: #{missing.inspect}"
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end
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end
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# Execute blocks with warning expectations
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#
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# @return [self]
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#
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# @api private
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#
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def execute(&block)
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warnings = WarningFilter.use do
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block.call
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end
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missing = expected - warnings
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unexpected = warnings - expected
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if missing.any? or unexpected.any?
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fail ExpectationError.new(unexpected, missing)
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end
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self
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end
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end # WarningExpectation
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end # Mutant
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