class Simulacrum::Comparator
The Comparator
class is responsible for comparing and handling processing of screenshots and candidates
Attributes
component[R]
diff[R]
Public Class Methods
new(component)
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# File lib/simulacrum/comparator.rb, line 13 def initialize(component) @component = component component.render end
Public Instance Methods
test()
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# File lib/simulacrum/comparator.rb, line 18 def test # If the component has a reference then we should diff the candidate # image against the reference if component.reference? # If there is a diff between the candidate and the reference then we # should save both the candidate and diff images and fail the test (pass?) ? pass : fail # Otherwise we should just write the captured candidate to disk, and mark # the spec as being pending until the user works out if the candidate is # OK by renaming candidate.png to reference.png else skip end end
Private Instance Methods
fail()
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# File lib/simulacrum/comparator.rb, line 47 def fail diff.save(component.diff_path) false end
pass()
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# File lib/simulacrum/comparator.rb, line 41 def pass component.remove_candidate component.remove_diff true end
pass?()
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# File lib/simulacrum/comparator.rb, line 56 def pass? diff.delta <= component.delta_threshold end
skip()
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# File lib/simulacrum/comparator.rb, line 52 def skip nil end