activesupport/test/core_ext/name_error_test.rb


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# frozen_string_literal: true
require "abstract_unit"
require "active_support/core_ext/name_error"

class NameErrorTest < ActiveSupport::TestCase
  def test_name_error_should_set_missing_name
    exc = assert_raise NameError do
      SomeNameThatNobodyWillUse____Really ? 1 : 0
    end
    assert_equal "NameErrorTest::SomeNameThatNobodyWillUse____Really", exc.missing_name
    assert exc.missing_name?(:SomeNameThatNobodyWillUse____Really)
    assert exc.missing_name?("NameErrorTest::SomeNameThatNobodyWillUse____Really")
  end

  def test_missing_method_should_ignore_missing_name
    exc = assert_raise NameError do
      some_method_that_does_not_exist
    end
    assert !exc.missing_name?(:Foo)
    assert_nil exc.missing_name
  end
end