Class: Matchi::Matchers::BeInstanceOf::Matcher

Inherits:

Object

• Object
• Matchi::Matchers::BeInstanceOf::Matcher

Includes:

MatchersBase

Defined in:

lib/matchi/rspec/be_instance_of.rb

Overview

The matcher.

Direct Known Subclasses

Matchi::Matchers::BeAnInstanceOf::Matcher

Instance Method Summary

• #initialize(expected) ⇒ Matcher constructor

  Initialize the matcher with an object.

• #matches? ⇒ Boolean

  Comparison between actual and expected values.

Constructor Details

#initialize(expected) ⇒ Matcher

Initialize the matcher with an object.

Examples:

A string matcher

Matchi::BeInstanceOf.new(String)

Parameters:

• expected (#object_id) —

  An expected class.

# File 'lib/matchi/rspec/be_instance_of.rb', line 19

def initialize(expected)
  @expected = expected
end

Instance Method Details

#matches? ⇒ Boolean

Returns Comparison between actual and expected values.

Examples:

Is it an instance of string?

be_instance_of = Matchi::BeInstanceOf.new(String)
be_instance_of.matches? { 'foo' } # => true

Yield Returns:

• (#instance_of?) —

  the actual value to compare to the expected one.

Returns:

• (Boolean) —

  Comparison between actual and expected values.

# File 'lib/matchi/rspec/be_instance_of.rb', line 31

def matches?
  yield.instance_of?(@expected)
end