Class: Mutant::WarningExpectation

Inherits:
Object
  • Object
show all
Includes:
Adamantium::Flat
Defined in:
lib/mutant/warning_expectation.rb

Overview

A class to expect some warning message raising on absence of unexpected warnings

Defined Under Namespace

Classes: ExpectationError

Instance Method Summary collapse

Instance Method Details

#execute(&block) ⇒ self

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Execute blocks with warning expectations

Returns:

  • (self) 


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# File 'lib/mutant/warning_expectation.rb', line 27

def execute(&block)
  warnings = WarningFilter.use do
    block.call
  end

  missing    = expected - warnings
  unexpected = warnings - expected

  if unexpected.any?
    fail ExpectationError, unexpected
  end

  if missing.any?
    $stderr.puts("Expected but missing warnings: #{missing}")
  end

  self
end