shard-spectator/spec/helpers/spy_example.cr

46 lines
1.3 KiB
Crystal
Raw Normal View History

# Example that invokes a closure when it is run.
# This is useful for capturing what's going on when an event is running.
class SpyExample < Spectator::RunnableExample
# Dummy description.
def what
"SPY"
end
2019-01-02 00:06:24 +00:00
# Dummy instance.
def instance
nil
end
# Captures the sample values when the example is created.
def initialize(group, @sample_values)
super(group, @sample_values)
end
# Sample values given to the example.
getter sample_values : Spectator::Internals::SampleValues
2018-11-14 19:58:32 +00:00
# Harness that was used while running the example.
getter! harness : Spectator::Internals::Harness
setter block : Proc(Nil)? = nil
# Method called by the framework to run the example code.
private def run_instance
2018-11-14 19:58:32 +00:00
@harness = Spectator::Internals::Harness.current
if block = @block
block.call
end
end
# Creates a spy example.
# The block passed to this method will be executed when the example runs.
def self.create(hooks = Spectator::ExampleHooks.empty, conditions = Spectator::ExampleConditions.empty, &block)
group = Spectator::RootExampleGroup.new(hooks, conditions)
values = Spectator::Internals::SampleValues.empty
new(group, values).tap do |example|
group.children = [example.as(Spectator::ExampleComponent)]
example.block = block
end
end
end