Class: Mumukit::Metatest::Checker

Inherits:
Object
  • Object
show all
Defined in:
lib/mumukit/metatest/checker.rb

Direct Known Subclasses

InteractiveChecker

Instance Method Summary collapse

Instance Method Details

#abort(message) ⇒ Object

Raises:



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# File 'lib/mumukit/metatest/checker.rb', line 61

def abort(message)
  raise Mumukit::Metatest::Aborted, message
end

#check(input, example) ⇒ Object

Check an input against a metatest example. The example has the following shape:

“‘ {

name: 'an example name',
postconditions: {
  an_assertion: assertion_config,
  another_assertion: assertion_config,
}

} “‘

Alternatively, the ‘postconditions` key may be omitted:

“‘ 

name: 'an example name',
an_assertion: assertion_config,
another_assertion: assertion_config,




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# File 'lib/mumukit/metatest/checker.rb', line 26

def check(input, example)
  check_assertions input, postconditions_for(example), example
  [example[:name], :passed, render_success_output(input)]
rescue => e
  [example[:name], :failed, render_error_output(input, e.message)]
end

#check_assertion(assertion_name, input, assertion_config, _example) ⇒ Object 



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# File 'lib/mumukit/metatest/checker.rb', line 53

def check_assertion(assertion_name, input, assertion_config, _example)
  send "check_#{assertion_name}", input, assertion_config
end

#check_assertions(input, assertions_hash, example) ⇒ Object 



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# File 'lib/mumukit/metatest/checker.rb', line 47

def check_assertions(input, assertions_hash, example)
  assertions_hash.each do |assertion_name, assertion_config|
    check_assertion assertion_name, input, assertion_config, example
  end
end

#error(message) ⇒ Object

Raises:



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# File 'lib/mumukit/metatest/checker.rb', line 65

def error(message)
  raise Mumukit::Metatest::Errored, message
end

#fail(message) ⇒ Object

Raises:



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# File 'lib/mumukit/metatest/checker.rb', line 57

def fail(message)
  raise Mumukit::Metatest::Failed, message
end

#postconditions_for(example) ⇒ Object

If no postconditions are included in the example, all the example except by the name is considered as postconditions



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# File 'lib/mumukit/metatest/checker.rb', line 35

def postconditions_for(example)
  example[:postconditions] || example.except(:name)
end

#render_error_output(value, error) ⇒ Object 



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# File 'lib/mumukit/metatest/checker.rb', line 43

def render_error_output(value, error)
  error
end

#render_success_output(value) ⇒ Object 



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# File 'lib/mumukit/metatest/checker.rb', line 39

def render_success_output(value)
  nil
end