Class: RSpec::Matchers::BuiltIn::ChangeToValue Private

Inherits:
SpecificValuesChange show all
Defined in:
lib/rspec/matchers/built_in/change.rb

Overview

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

Used to specify a change to a specific value (and, optionally, from a specific value).

Constant Summary

Instance Method Summary (collapse)

Methods included from Composable

#===, #and, #description_of, enumerable?, #or, surface_descriptions_in, #values_match?

Constructor Details

- (ChangeToValue) initialize(change_details, expected_after)

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.

Returns a new instance of ChangeToValue

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# File 'lib/rspec/matchers/built_in/change.rb', line 270
def initialize(change_details, expected_after)
  @description_suffix = nil
  super(change_details, MATCH_ANYTHING, expected_after)
end

Instance Method Details

- (Object) from(value)

Specifies the original value.

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# File 'lib/rspec/matchers/built_in/change.rb', line 277
def from(value)
  @expected_before    = value
  @description_suffix = " from #{description_of value}"
  self
end