Module: ValidationExamplesMatcher

Defined in:
lib/validation_examples_matcher.rb,
lib/validation_examples_matcher/version.rb

Constant Summary collapse

VERSION =
'1.0.2'

Class Method Summary collapse

Class Method Details

.register(matchers = RSpec::Matchers) ⇒ Object



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# File 'lib/validation_examples_matcher.rb', line 5

def self.register(matchers = RSpec::Matchers)
  matchers.define :be_valid_on do |attr_name|
    match do |model|
      model.send("#{attr_name}=", @value)
      model.valid?(@context)
    end

    chain :with do |value|
      @value = value
    end

    chain :on_context do |context|
      @context = context
    end

    failure_message do |model|
      "expect #{model.class} to be valid, but it is INVALID."
    end
  end

  matchers.define :be_invalid_on do |attr_name|
    match do |model|
      model.send("#{attr_name}=", @value)
      model.invalid?(@context) && model.errors[attr_name].size >= 1
    end

    chain :with do |value|
      @value = value
    end

    chain :on_context do |context|
      @context = context
    end

    failure_message do |model|
      if model.valid?(@context)
        "expect #{model.class} to be invalid, but it is VALID."
      else
        "expect #{model.class} to have errors on #{attr_name}, but EMPTY."
      end
    end
  end
end