70 lines
2.1 KiB
Crystal
70 lines
2.1 KiB
Crystal
# Example that invokes a closure when it is run.
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# This is useful for capturing what's going on when an event is running.
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class SpyExample < Spectator::RunnableExample
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# Dummy description.
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def what
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"SPY"
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end
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# Dummy source.
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def source
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::Spectator::Source.new(__FILE__, __LINE__)
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end
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# Dummy symbolic flag.
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def symbolic?
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false
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end
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# Dummy instance.
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def instance
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nil
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end
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# Captures the sample values when the example is created.
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def initialize(group, @sample_values)
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super(group, @sample_values)
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end
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# Sample values given to the example.
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getter sample_values : Spectator::Internals::SampleValues
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# Harness that was used while running the example.
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getter! harness : Spectator::Internals::Harness
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setter block : Proc(Nil)? = nil
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# Method called by the framework to run the example code.
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private def run_instance
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@harness = Spectator::Internals::Harness.current
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if block = @block
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block.call
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end
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end
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# Creates a spy example.
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# The block passed to this method will be executed when the example runs.
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def self.create(hooks = Spectator::ExampleHooks.empty, conditions = Spectator::ExampleConditions.empty, &block)
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group = Spectator::RootExampleGroup.new(hooks, conditions)
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values = Spectator::Internals::SampleValues.empty
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new(group, values).tap do |example|
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group.children = [example.as(Spectator::ExampleComponent)]
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example.block = block
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end
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end
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# Creates a group of spy examples.
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# Specify the number of examplese to create and a block to invoke when the example is run.
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# The block is given the index of the example in the group.
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def self.create_group(count, &block : Int32 -> Nil)
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values = Spectator::Internals::SampleValues.empty
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Spectator::RootExampleGroup.new(Spectator::ExampleHooks.empty, Spectator::ExampleConditions.empty).tap do |group|
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group.children = Array.new(count) do |index|
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new(group, values).tap do |example|
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example.block = block.partial(index)
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end.as(Spectator::ExampleComponent)
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end
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end
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end
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end
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