Class: RSpec::Matchers::BuiltIn::ChangeFromValue Private

Inherits:
SpecificValuesChange show all
Defined in:
lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/rspec-expectations-3.12.2/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 from a specific value (and, optionally, to a specific value).

Constant Summary

Constants inherited from SpecificValuesChange

SpecificValuesChange::MATCH_ANYTHING

Constants inherited from BaseMatcher

BaseMatcher::UNDEFINED

Instance Attribute Summary

Attributes inherited from BaseMatcher

#actual, #expected, #matcher_name, #rescued_exception

Instance Method Summary collapse

Methods inherited from SpecificValuesChange

#description, #failure_message, #matches?, #supports_block_expectations?, #supports_value_expectations?

Methods inherited from BaseMatcher

#actual_formatted, #description, #diffable?, #expected_formatted, #expects_call_stack_jump?, #match_unless_raises, matcher_name, #matches?, #supports_block_expectations?, #supports_value_expectations?

Methods included from BaseMatcher::DefaultFailureMessages

#failure_message, has_default_failure_messages?

Methods included from BaseMatcher::HashFormatting

improve_hash_formatting

Methods included from Composable

#===, #and, #description_of, #or, should_enumerate?, surface_descriptions_in, unreadable_io?, #values_match?

Constructor Details

#initialize(change_details, expected_before) ⇒ ChangeFromValue

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 ChangeFromValue.



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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/rspec-expectations-3.12.2/lib/rspec/matchers/built_in/change.rb', line 271

def initialize(change_details, expected_before)
  @description_suffix = nil
  super(change_details, expected_before, MATCH_ANYTHING)
end

Instance Method Details

#does_not_match?(event_proc) ⇒ Boolean

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:

  • (Boolean) 


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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/rspec-expectations-3.12.2/lib/rspec/matchers/built_in/change.rb', line 285

def does_not_match?(event_proc)
  if @description_suffix
    raise NotImplementedError, "`expect { }.not_to change { }.to()` " \
      "is not supported"
  end

  perform_change(event_proc) && !@change_details.changed? && @matches_before
end

#failure_message_when_negated ⇒ Object

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. 



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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/rspec-expectations-3.12.2/lib/rspec/matchers/built_in/change.rb', line 295

def failure_message_when_negated
  return not_given_a_block_failure unless Proc === @event_proc
  return before_value_failure unless @matches_before
  did_change_failure
end

#to(value) ⇒ Object

Specifies the new value you expect.



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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/rspec-expectations-3.12.2/lib/rspec/matchers/built_in/change.rb', line 278

def to(value)
  @expected_after     = value
  @description_suffix = " to #{description_of value}"
  self
end