Class: Speck::Check

Inherits:
Object
  • Object
show all
Defined in:
lib/speck/check.rb

Overview

Represents a queued thing to be checked of some sort, within a Speck.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target = nil, &expectation) ⇒ Check

Returns a new instance of Check.



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# File 'lib/speck/check.rb', line 26

def initialize(target = nil, &expectation)
  @target = target.respond_to?(:call) ? target : ->{target}
  @expectation = expectation
  Speck.current.checks << self if Speck.current
end

Instance Attribute Details

#expectation ⇒ Object

The block to be executed, determining the success or failure of this particular Check. If it accepts an argument, the result of the target block will be passed as that argument.



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# File 'lib/speck/check.rb', line 9

def expectation
  @expectation
end

#status ⇒ Object

The status of the Check. nil indicates the Check hasn’t been executed, and true or false indicate the success of the latest execution



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# File 'lib/speck/check.rb', line 21

def status
  @status
end

#target ⇒ Object

The target of a Check is a block that returns an object to be passed to the expectation. It represents the object that the Check is intended to, well, check.



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# File 'lib/speck/check.rb', line 15

def target
  @target
end

Instance Method Details

#execute ⇒ Object

Executes this Check, raising an error if the expectation returns nil or false.

Raises:



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# File 'lib/speck/check.rb', line 35

def execute
  call = @expectation.arity == 0 ? ->{@target.call; @expectation.call} : ->{@expectation[@target.call]}
  @status = call.call ? :passed : :failed
  raise Exception::CheckFailed unless passed?
  return self
end

#passed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/speck/check.rb', line 22

def passed?
  status == :passed
end