Module: RSpec::Matchers::BuiltIn::BaseMatcher::DefaultFailureMessages Private

Included in:

RSpec::Matchers::BuiltIn::BaseMatcher, DSL::DefaultImplementations

Defined in:

lib/rspec/matchers/built_in/base_matcher.rb

Overview

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

Provides default implementations of failure messages, based on the description.

Instance Method Summary

• #failure_message ⇒ String private

  Provides a good generic failure message.

• #failure_message_when_negated ⇒ String private

  Provides a good generic negative failure message.

Instance Method Details

#failure_message ⇒ String

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.

Provides a good generic failure message. Based on description. When subclassing, if you are not satisfied with this failure message you often only need to override description.

Returns:

• (String)

# File 'lib/rspec/matchers/built_in/base_matcher.rb', line 172
def failure_message
  "expected #{description_of @actual} to #{description}".dup
end

#failure_message_when_negated ⇒ String

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.

Provides a good generic negative failure message. Based on description. When subclassing, if you are not satisfied with this failure message you often only need to override description.

Returns:

• (String)

# File 'lib/rspec/matchers/built_in/base_matcher.rb', line 181
def failure_message_when_negated
  "expected #{description_of @actual} not to #{description}".dup
end