Class: ModelTimeline::RSpec::Matchers::HaveTimelineEntry Private

Inherits:
Object
  • Object
show all
Defined in:
lib/model_timeline/rspec/matchers.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.

RSpec matcher to check if a model has timeline entries where an attribute changed to a specific value

Instance Method Summary collapse

Constructor Details

#initialize(attribute, value, association_name) ⇒ HaveTimelineEntry

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.

Initialize the matcher

Parameters:

  • attribute (String, Symbol) —

    The attribute to check

  • value (Object) —

    The value the attribute should have changed to



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# File 'lib/model_timeline/rspec/matchers.rb', line 221

def initialize(attribute, value, association_name)
  @attribute = attribute.to_s
  @value = value
  @association_name = association_name
end

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.

Message displayed when the expectation fails

Returns:

  • (String) —

    A descriptive failure message



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# File 'lib/model_timeline/rspec/matchers.rb', line 239

def failure_message
  "expected #{@subject} to have tracked '#{@attribute}' changing to '#{@value}', but no such change was found"
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.

Message displayed when the negated expectation fails

Returns:

  • (String) —

    A descriptive failure message for negated expectations



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# File 'lib/model_timeline/rspec/matchers.rb', line 246

def failure_message_when_negated
  "expected #{@subject} not to have tracked '#{@attribute}' changing to '#{@value}', but such a change was found"
end

#matches?(subject) ⇒ 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.

Check if the subject matches the expectations

Parameters:

  • subject (Object) —

    The model to check for timeline entries

Returns:

  • (Boolean) —

    True if the model has timeline entries where the attribute changed to the specified value



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# File 'lib/model_timeline/rspec/matchers.rb', line 231

def matches?(subject)
  @subject = subject
  @subject.public_send(@association_name).with_changed_value(@attribute, @value).exists?
end