Class: RSpec::Matchers::BuiltIn::ChangeFromValue Private
- Inherits:
-
SpecificValuesChange
- Object
- BaseMatcher
- SpecificValuesChange
- RSpec::Matchers::BuiltIn::ChangeFromValue
- 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 from a specific value (and, optionally, to a specific value).
Constant Summary
Constants inherited from BaseMatcher
Instance Method Summary collapse
-
#initialize(change_details, expected_before) ⇒ ChangeFromValue
constructor
private
A new instance of ChangeFromValue.
-
#to(value) ⇒ Object
Specifies the new value you expect.
Methods inherited from BaseMatcher
#description, #diffable?, #expects_call_stack_jump?, #match_unless_raises, #matches?, #supports_block_expectations?
Methods included from BaseMatcher::DefaultFailureMessages
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/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
#to(value) ⇒ Object
Specifies the new value you expect.
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# File 'lib/rspec/matchers/built_in/change.rb', line 278 def to(value) @expected_after = value @description_suffix = " to #{description_of value}" self end |