Contents

require "spec_helper"

describe Object, ".vattr_initialize" do
  it "creates initializer, value readers and value object identity" do
    klass = Class.new do
      vattr_initialize :foo, :bar
    end

    example1 = klass.new("Foo", "Bar")
    example2 = klass.new("Foo", "Bar")

    example1.foo.must_equal "Foo"
    example1.must_equal example2
  end

  it "works with hash ivars" do
    klass = Class.new do
      vattr_initialize :foo, [:bar, :baz!]
    end

    example1 = klass.new("Foo", :bar => "Bar", :baz => "Baz")
    example2 = klass.new("Foo", :bar => "Bar", :baz => "Baz")
    example1.baz.must_equal "Baz"
    example1.must_equal example2
  end

  it "can accept an initializer block" do
    called = false
    klass = Class.new do
      vattr_initialize :value do
        called = true
      end
    end

    klass.new("expected")

    called.must_equal true
  end

  it "accepts the alias attr_value_initializer" do
    klass = Class.new do
      attr_value_initialize :foo, :bar
    end

    example1 = klass.new("Foo", "Bar")
    example2 = klass.new("Foo", "Bar")

    example1.foo.must_equal "Foo"
    example1.must_equal example2
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
attr_extras-4.4.0	spec/attr_extras/vattr_initialize_spec.rb