mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
1012 lines
31 KiB
Ruby
1012 lines
31 KiB
Ruby
require "cases/helper"
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require "models/minimalistic"
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require "models/developer"
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require "models/auto_id"
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require "models/boolean"
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require "models/computer"
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require "models/topic"
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require "models/company"
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require "models/category"
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require "models/reply"
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require "models/contact"
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require "models/keyboard"
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class AttributeMethodsTest < ActiveRecord::TestCase
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include InTimeZone
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fixtures :topics, :developers, :companies, :computers
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def setup
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@old_matchers = ActiveRecord::Base.send(:attribute_method_matchers).dup
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@target = Class.new(ActiveRecord::Base)
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@target.table_name = "topics"
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end
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teardown do
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ActiveRecord::Base.send(:attribute_method_matchers).clear
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ActiveRecord::Base.send(:attribute_method_matchers).concat(@old_matchers)
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end
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test "attribute_for_inspect with a string" do
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t = topics(:first)
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t.title = "The First Topic Now Has A Title With\nNewlines And More Than 50 Characters"
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assert_equal '"The First Topic Now Has A Title With\nNewlines And ..."', t.attribute_for_inspect(:title)
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end
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test "attribute_for_inspect with a date" do
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t = topics(:first)
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assert_equal %("#{t.written_on.to_s(:db)}"), t.attribute_for_inspect(:written_on)
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end
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test "attribute_for_inspect with an array" do
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t = topics(:first)
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t.content = [Object.new]
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assert_match %r(\[#<Object:0x[0-9a-f]+>\]), t.attribute_for_inspect(:content)
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end
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test "attribute_for_inspect with a long array" do
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t = topics(:first)
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t.content = (1..11).to_a
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assert_equal "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]", t.attribute_for_inspect(:content)
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end
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test "attribute_present" do
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t = Topic.new
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t.title = "hello there!"
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t.written_on = Time.now
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t.author_name = ""
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assert t.attribute_present?("title")
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assert t.attribute_present?("written_on")
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assert !t.attribute_present?("content")
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assert !t.attribute_present?("author_name")
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end
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test "attribute_present with booleans" do
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b1 = Boolean.new
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b1.value = false
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assert b1.attribute_present?(:value)
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b2 = Boolean.new
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b2.value = true
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assert b2.attribute_present?(:value)
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b3 = Boolean.new
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assert !b3.attribute_present?(:value)
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b4 = Boolean.new
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b4.value = false
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b4.save!
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assert Boolean.find(b4.id).attribute_present?(:value)
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end
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test "caching a nil primary key" do
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klass = Class.new(Minimalistic)
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assert_called(klass, :reset_primary_key, returns: nil) do
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2.times { klass.primary_key }
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end
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end
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test "attribute keys on a new instance" do
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t = Topic.new
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assert_equal nil, t.title, "The topics table has a title column, so it should be nil"
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assert_raise(NoMethodError) { t.title2 }
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end
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test "boolean attributes" do
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assert !Topic.find(1).approved?
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assert Topic.find(2).approved?
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end
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test "set attributes" do
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topic = Topic.find(1)
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topic.attributes = { title: "Budget", author_name: "Jason" }
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topic.save
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assert_equal("Budget", topic.title)
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assert_equal("Jason", topic.author_name)
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assert_equal(topics(:first).author_email_address, Topic.find(1).author_email_address)
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end
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test "set attributes without a hash" do
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topic = Topic.new
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assert_raise(ArgumentError) { topic.attributes = "" }
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end
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test "integers as nil" do
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test = AutoId.create(value: "")
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assert_nil AutoId.find(test.id).value
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end
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test "set attributes with a block" do
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topic = Topic.new do |t|
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t.title = "Budget"
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t.author_name = "Jason"
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end
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assert_equal("Budget", topic.title)
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assert_equal("Jason", topic.author_name)
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end
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test "respond_to?" do
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topic = Topic.find(1)
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assert_respond_to topic, "title"
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assert_respond_to topic, "title?"
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assert_respond_to topic, "title="
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assert_respond_to topic, :title
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assert_respond_to topic, :title?
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assert_respond_to topic, :title=
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assert_respond_to topic, "author_name"
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assert_respond_to topic, "attribute_names"
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assert !topic.respond_to?("nothingness")
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assert !topic.respond_to?(:nothingness)
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end
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test "respond_to? with a custom primary key" do
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keyboard = Keyboard.create
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assert_not_nil keyboard.key_number
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assert_equal keyboard.key_number, keyboard.id
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assert keyboard.respond_to?("key_number")
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assert keyboard.respond_to?("id")
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end
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test "id_before_type_cast with a custom primary key" do
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keyboard = Keyboard.create
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keyboard.key_number = "10"
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assert_equal "10", keyboard.id_before_type_cast
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assert_equal nil, keyboard.read_attribute_before_type_cast("id")
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assert_equal "10", keyboard.read_attribute_before_type_cast("key_number")
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assert_equal "10", keyboard.read_attribute_before_type_cast(:key_number)
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end
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# Syck calls respond_to? before actually calling initialize.
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test "respond_to? with an allocated object" do
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klass = Class.new(ActiveRecord::Base) do
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self.table_name = "topics"
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end
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topic = klass.allocate
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assert !topic.respond_to?("nothingness")
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assert !topic.respond_to?(:nothingness)
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assert_respond_to topic, "title"
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assert_respond_to topic, :title
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end
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# IRB inspects the return value of MyModel.allocate.
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test "allocated objects can be inspected" do
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topic = Topic.allocate
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assert_equal "#<Topic not initialized>", topic.inspect
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end
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test "array content" do
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content = %w( one two three )
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topic = Topic.new
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topic.content = content
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topic.save
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assert_equal content, Topic.find(topic.id).content
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end
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test "read attributes_before_type_cast" do
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category = Category.new(name: "Test category", type: nil)
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category_attrs = { "name" => "Test category", "id" => nil, "type" => nil, "categorizations_count" => nil }
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assert_equal category_attrs, category.attributes_before_type_cast
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end
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if current_adapter?(:Mysql2Adapter)
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test "read attributes_before_type_cast on a boolean" do
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bool = Boolean.create!("value" => false)
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if RUBY_PLATFORM.include?("java")
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# JRuby will return the value before typecast as string.
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assert_equal "0", bool.reload.attributes_before_type_cast["value"]
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else
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assert_equal 0, bool.reload.attributes_before_type_cast["value"]
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end
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end
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end
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test "read attributes_before_type_cast on a datetime" do
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in_time_zone "Pacific Time (US & Canada)" do
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record = @target.new
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record.written_on = "345643456"
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assert_equal "345643456", record.written_on_before_type_cast
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assert_equal nil, record.written_on
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record.written_on = "2009-10-11 12:13:14"
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assert_equal "2009-10-11 12:13:14", record.written_on_before_type_cast
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assert_equal Time.zone.parse("2009-10-11 12:13:14"), record.written_on
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assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
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end
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end
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test "read attributes_after_type_cast on a date" do
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tz = "Pacific Time (US & Canada)"
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in_time_zone tz do
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record = @target.new
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date_string = "2011-03-24"
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time = Time.zone.parse date_string
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record.written_on = date_string
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assert_equal date_string, record.written_on_before_type_cast
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assert_equal time, record.written_on
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assert_equal ActiveSupport::TimeZone[tz], record.written_on.time_zone
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record.save
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record.reload
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assert_equal time, record.written_on
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end
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end
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test "hash content" do
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topic = Topic.new
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topic.content = { "one" => 1, "two" => 2 }
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topic.save
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assert_equal 2, Topic.find(topic.id).content["two"]
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topic.content_will_change!
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topic.content["three"] = 3
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topic.save
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assert_equal 3, Topic.find(topic.id).content["three"]
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end
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test "update array content" do
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topic = Topic.new
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topic.content = %w( one two three )
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topic.content.push "four"
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assert_equal(%w( one two three four ), topic.content)
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topic.save
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topic = Topic.find(topic.id)
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topic.content << "five"
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assert_equal(%w( one two three four five ), topic.content)
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end
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test "case-sensitive attributes hash" do
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# DB2 is not case-sensitive.
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return true if current_adapter?(:DB2Adapter)
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assert_equal @loaded_fixtures["computers"]["workstation"].to_hash, Computer.first.attributes
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end
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test "attributes without primary key" do
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klass = Class.new(ActiveRecord::Base) do
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self.table_name = "developers_projects"
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end
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assert_equal klass.column_names, klass.new.attributes.keys
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assert_not klass.new.has_attribute?("id")
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end
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test "hashes are not mangled" do
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new_topic = { title: "New Topic" }
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new_topic_values = { title: "AnotherTopic" }
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topic = Topic.new(new_topic)
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assert_equal new_topic[:title], topic.title
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topic.attributes= new_topic_values
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assert_equal new_topic_values[:title], topic.title
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end
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test "create through factory" do
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topic = Topic.create(title: "New Topic")
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topicReloaded = Topic.find(topic.id)
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assert_equal(topic, topicReloaded)
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end
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test "write_attribute" do
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topic = Topic.new
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topic.send(:write_attribute, :title, "Still another topic")
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assert_equal "Still another topic", topic.title
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topic[:title] = "Still another topic: part 2"
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assert_equal "Still another topic: part 2", topic.title
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topic.send(:write_attribute, "title", "Still another topic: part 3")
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assert_equal "Still another topic: part 3", topic.title
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topic["title"] = "Still another topic: part 4"
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assert_equal "Still another topic: part 4", topic.title
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end
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test "read_attribute" do
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topic = Topic.new
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topic.title = "Don't change the topic"
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assert_equal "Don't change the topic", topic.read_attribute("title")
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assert_equal "Don't change the topic", topic["title"]
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assert_equal "Don't change the topic", topic.read_attribute(:title)
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assert_equal "Don't change the topic", topic[:title]
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end
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test "read_attribute raises ActiveModel::MissingAttributeError when the attribute does not exist" do
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computer = Computer.select("id").first
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assert_raises(ActiveModel::MissingAttributeError) { computer[:developer] }
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assert_raises(ActiveModel::MissingAttributeError) { computer[:extendedWarranty] }
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assert_raises(ActiveModel::MissingAttributeError) { computer[:no_column_exists] = "Hello!" }
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assert_nothing_raised { computer[:developer] = "Hello!" }
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end
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test "read_attribute when false" do
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topic = topics(:first)
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topic.approved = false
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assert !topic.approved?, "approved should be false"
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topic.approved = "false"
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assert !topic.approved?, "approved should be false"
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end
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test "read_attribute when true" do
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topic = topics(:first)
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topic.approved = true
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assert topic.approved?, "approved should be true"
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topic.approved = "true"
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assert topic.approved?, "approved should be true"
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end
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test "boolean attributes writing and reading" do
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topic = Topic.new
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topic.approved = "false"
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assert !topic.approved?, "approved should be false"
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topic.approved = "false"
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assert !topic.approved?, "approved should be false"
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topic.approved = "true"
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assert topic.approved?, "approved should be true"
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topic.approved = "true"
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assert topic.approved?, "approved should be true"
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end
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test "overridden write_attribute" do
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topic = Topic.new
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def topic.write_attribute(attr_name, value)
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super(attr_name, value.downcase)
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end
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topic.send(:write_attribute, :title, "Yet another topic")
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assert_equal "yet another topic", topic.title
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topic[:title] = "Yet another topic: part 2"
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assert_equal "yet another topic: part 2", topic.title
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topic.send(:write_attribute, "title", "Yet another topic: part 3")
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assert_equal "yet another topic: part 3", topic.title
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topic["title"] = "Yet another topic: part 4"
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assert_equal "yet another topic: part 4", topic.title
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end
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test "overridden read_attribute" do
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topic = Topic.new
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topic.title = "Stop changing the topic"
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def topic.read_attribute(attr_name)
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super(attr_name).upcase
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end
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assert_equal "STOP CHANGING THE TOPIC", topic.read_attribute("title")
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assert_equal "STOP CHANGING THE TOPIC", topic["title"]
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assert_equal "STOP CHANGING THE TOPIC", topic.read_attribute(:title)
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assert_equal "STOP CHANGING THE TOPIC", topic[:title]
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end
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test "read overridden attribute" do
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topic = Topic.new(title: "a")
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def topic.title() "b" end
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assert_equal "a", topic[:title]
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end
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test "string attribute predicate" do
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[nil, "", " "].each do |value|
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assert_equal false, Topic.new(author_name: value).author_name?
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end
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assert_equal true, Topic.new(author_name: "Name").author_name?
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end
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test "number attribute predicate" do
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[nil, 0, "0"].each do |value|
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assert_equal false, Developer.new(salary: value).salary?
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end
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assert_equal true, Developer.new(salary: 1).salary?
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assert_equal true, Developer.new(salary: "1").salary?
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end
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test "boolean attribute predicate" do
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[nil, "", false, "false", "f", 0].each do |value|
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assert_equal false, Topic.new(approved: value).approved?
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end
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[true, "true", "1", 1].each do |value|
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assert_equal true, Topic.new(approved: value).approved?
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end
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end
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test "custom field attribute predicate" do
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object = Company.find_by_sql(<<-SQL).first
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SELECT c1.*, c2.type as string_value, c2.rating as int_value
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FROM companies c1, companies c2
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WHERE c1.firm_id = c2.id
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AND c1.id = 2
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SQL
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assert_equal "Firm", object.string_value
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assert object.string_value?
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object.string_value = " "
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assert !object.string_value?
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assert_equal 1, object.int_value.to_i
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assert object.int_value?
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object.int_value = "0"
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assert !object.int_value?
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end
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test "non-attribute read and write" do
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topic = Topic.new
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assert !topic.respond_to?("mumbo")
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assert_raise(NoMethodError) { topic.mumbo }
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assert_raise(NoMethodError) { topic.mumbo = 5 }
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end
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test "undeclared attribute method does not affect respond_to? and method_missing" do
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topic = @target.new(title: "Budget")
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assert topic.respond_to?("title")
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assert_equal "Budget", topic.title
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assert !topic.respond_to?("title_hello_world")
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assert_raise(NoMethodError) { topic.title_hello_world }
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end
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test "declared prefixed attribute method affects respond_to? and method_missing" do
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topic = @target.new(title: "Budget")
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%w(default_ title_).each do |prefix|
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@target.class_eval "def #{prefix}attribute(*args) args end"
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@target.attribute_method_prefix prefix
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meth = "#{prefix}title"
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assert topic.respond_to?(meth)
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assert_equal ["title"], topic.send(meth)
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assert_equal ["title", "a"], topic.send(meth, "a")
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assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
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end
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end
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test "declared suffixed attribute method affects respond_to? and method_missing" do
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%w(_default _title_default _it! _candidate= able?).each do |suffix|
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@target.class_eval "def attribute#{suffix}(*args) args end"
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@target.attribute_method_suffix suffix
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topic = @target.new(title: "Budget")
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meth = "title#{suffix}"
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assert topic.respond_to?(meth)
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assert_equal ["title"], topic.send(meth)
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assert_equal ["title", "a"], topic.send(meth, "a")
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assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
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end
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end
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test "declared affixed attribute method affects respond_to? and method_missing" do
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[["mark_", "_for_update"], ["reset_", "!"], ["default_", "_value?"]].each do |prefix, suffix|
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@target.class_eval "def #{prefix}attribute#{suffix}(*args) args end"
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@target.attribute_method_affix(prefix: prefix, suffix: suffix)
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topic = @target.new(title: "Budget")
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meth = "#{prefix}title#{suffix}"
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assert topic.respond_to?(meth)
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assert_equal ["title"], topic.send(meth)
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assert_equal ["title", "a"], topic.send(meth, "a")
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assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
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end
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|
end
|
|
|
|
test "should unserialize attributes for frozen records" do
|
|
myobj = { value1: :value2 }
|
|
topic = Topic.create(content: myobj)
|
|
topic.freeze
|
|
assert_equal myobj, topic.content
|
|
end
|
|
|
|
test "typecast attribute from select to false" do
|
|
Topic.create(title: "Budget")
|
|
# Oracle does not support boolean expressions in SELECT.
|
|
if current_adapter?(:OracleAdapter, :FbAdapter)
|
|
topic = Topic.all.merge!(select: "topics.*, 0 as is_test").first
|
|
else
|
|
topic = Topic.all.merge!(select: "topics.*, 1=2 as is_test").first
|
|
end
|
|
assert !topic.is_test?
|
|
end
|
|
|
|
test "typecast attribute from select to true" do
|
|
Topic.create(title: "Budget")
|
|
# Oracle does not support boolean expressions in SELECT.
|
|
if current_adapter?(:OracleAdapter, :FbAdapter)
|
|
topic = Topic.all.merge!(select: "topics.*, 1 as is_test").first
|
|
else
|
|
topic = Topic.all.merge!(select: "topics.*, 2=2 as is_test").first
|
|
end
|
|
assert topic.is_test?
|
|
end
|
|
|
|
test "raises ActiveRecord::DangerousAttributeError when defining an AR method in a model" do
|
|
%w(save create_or_update).each do |method|
|
|
klass = Class.new(ActiveRecord::Base)
|
|
klass.class_eval "def #{method}() 'defined #{method}' end"
|
|
assert_raise ActiveRecord::DangerousAttributeError do
|
|
klass.instance_method_already_implemented?(method)
|
|
end
|
|
end
|
|
end
|
|
|
|
test "converted values are returned after assignment" do
|
|
developer = Developer.new(name: 1337, salary: "50000")
|
|
|
|
assert_equal "50000", developer.salary_before_type_cast
|
|
assert_equal 1337, developer.name_before_type_cast
|
|
|
|
assert_equal 50000, developer.salary
|
|
assert_equal "1337", developer.name
|
|
|
|
developer.save!
|
|
|
|
assert_equal 50000, developer.salary
|
|
assert_equal "1337", developer.name
|
|
end
|
|
|
|
test "write nil to time attribute" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
record.written_on = nil
|
|
assert_nil record.written_on
|
|
end
|
|
end
|
|
|
|
test "write time to date attribute" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
record.last_read = Time.utc(2010, 1, 1, 10)
|
|
assert_equal Date.civil(2010, 1, 1), record.last_read
|
|
end
|
|
end
|
|
|
|
test "time attributes are retrieved in the current time zone" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
utc_time = Time.utc(2008, 1, 1)
|
|
record = @target.new
|
|
record[:written_on] = utc_time
|
|
assert_equal utc_time, record.written_on # record.written on is equal to (i.e., simultaneous with) utc_time
|
|
assert_kind_of ActiveSupport::TimeWithZone, record.written_on # but is a TimeWithZone
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone # and is in the current Time.zone
|
|
assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time # and represents time values adjusted accordingly
|
|
end
|
|
end
|
|
|
|
test "setting a time zone-aware attribute to UTC" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
utc_time = Time.utc(2008, 1, 1)
|
|
record = @target.new
|
|
record.written_on = utc_time
|
|
assert_equal utc_time, record.written_on
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
|
|
assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
|
|
end
|
|
end
|
|
|
|
test "setting time zone-aware attribute in other time zone" do
|
|
utc_time = Time.utc(2008, 1, 1)
|
|
cst_time = utc_time.in_time_zone("Central Time (US & Canada)")
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
record.written_on = cst_time
|
|
assert_equal utc_time, record.written_on
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
|
|
assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
|
|
end
|
|
end
|
|
|
|
test "setting time zone-aware read attribute" do
|
|
utc_time = Time.utc(2008, 1, 1)
|
|
cst_time = utc_time.in_time_zone("Central Time (US & Canada)")
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.create(written_on: cst_time).reload
|
|
assert_equal utc_time, record[:written_on]
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record[:written_on].time_zone
|
|
assert_equal Time.utc(2007, 12, 31, 16), record[:written_on].time
|
|
end
|
|
end
|
|
|
|
test "setting time zone-aware attribute with a string" do
|
|
utc_time = Time.utc(2008, 1, 1)
|
|
(-11..13).each do |timezone_offset|
|
|
time_string = utc_time.in_time_zone(timezone_offset).to_s
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
record.written_on = time_string
|
|
assert_equal Time.zone.parse(time_string), record.written_on
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
|
|
assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
|
|
end
|
|
end
|
|
end
|
|
|
|
test "time zone-aware attribute saved" do
|
|
in_time_zone 1 do
|
|
record = @target.create(written_on: "2012-02-20 10:00")
|
|
|
|
record.written_on = "2012-02-20 09:00"
|
|
record.save
|
|
assert_equal Time.zone.local(2012, 02, 20, 9), record.reload.written_on
|
|
end
|
|
end
|
|
|
|
test "setting a time zone-aware attribute to a blank string returns nil" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
record.written_on = " "
|
|
assert_nil record.written_on
|
|
assert_nil record[:written_on]
|
|
end
|
|
end
|
|
|
|
test "setting a time zone-aware attribute interprets time zone-unaware string in time zone" do
|
|
time_string = "Tue Jan 01 00:00:00 2008"
|
|
(-11..13).each do |timezone_offset|
|
|
in_time_zone timezone_offset do
|
|
record = @target.new
|
|
record.written_on = time_string
|
|
assert_equal Time.zone.parse(time_string), record.written_on
|
|
assert_equal ActiveSupport::TimeZone[timezone_offset], record.written_on.time_zone
|
|
assert_equal Time.utc(2008, 1, 1), record.written_on.time
|
|
end
|
|
end
|
|
end
|
|
|
|
test "setting a time zone-aware datetime in the current time zone" do
|
|
utc_time = Time.utc(2008, 1, 1)
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
record.written_on = utc_time.in_time_zone
|
|
assert_equal utc_time, record.written_on
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
|
|
assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
|
|
end
|
|
end
|
|
|
|
test "YAML dumping a record with time zone-aware attribute" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = Topic.new(id: 1)
|
|
record.written_on = "Jan 01 00:00:00 2014"
|
|
assert_equal record, YAML.load(YAML.dump(record))
|
|
end
|
|
end
|
|
|
|
test "setting a time zone-aware time in the current time zone" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
time_string = "10:00:00"
|
|
expected_time = Time.zone.parse("2000-01-01 #{time_string}")
|
|
|
|
record.bonus_time = time_string
|
|
assert_equal expected_time, record.bonus_time
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.bonus_time.time_zone
|
|
|
|
record.bonus_time = ""
|
|
assert_nil record.bonus_time
|
|
end
|
|
end
|
|
|
|
test "setting a time zone-aware time with DST" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
current_time = Time.zone.local(2014, 06, 15, 10)
|
|
record = @target.new(bonus_time: current_time)
|
|
time_before_save = record.bonus_time
|
|
|
|
record.save
|
|
record.reload
|
|
|
|
assert_equal time_before_save, record.bonus_time
|
|
assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.bonus_time.time_zone
|
|
end
|
|
end
|
|
|
|
test "removing time zone-aware types" do
|
|
with_time_zone_aware_types(:datetime) do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new(bonus_time: "10:00:00")
|
|
expected_time = Time.utc(2000, 01, 01, 10)
|
|
|
|
assert_equal expected_time, record.bonus_time
|
|
assert record.bonus_time.utc?
|
|
end
|
|
end
|
|
end
|
|
|
|
test "time zone-aware attributes do not recurse infinitely on invalid values" do
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new(bonus_time: [])
|
|
assert_equal nil, record.bonus_time
|
|
end
|
|
end
|
|
|
|
test "setting a time_zone_conversion_for_attributes should write the value on a class variable" do
|
|
Topic.skip_time_zone_conversion_for_attributes = [:field_a]
|
|
Minimalistic.skip_time_zone_conversion_for_attributes = [:field_b]
|
|
|
|
assert_equal [:field_a], Topic.skip_time_zone_conversion_for_attributes
|
|
assert_equal [:field_b], Minimalistic.skip_time_zone_conversion_for_attributes
|
|
end
|
|
|
|
test "attribute readers respect access control" do
|
|
privatize("title")
|
|
|
|
topic = @target.new(title: "The pros and cons of programming naked.")
|
|
assert !topic.respond_to?(:title)
|
|
exception = assert_raise(NoMethodError) { topic.title }
|
|
assert exception.message.include?("private method")
|
|
assert_equal "I'm private", topic.send(:title)
|
|
end
|
|
|
|
test "attribute writers respect access control" do
|
|
privatize("title=(value)")
|
|
|
|
topic = @target.new
|
|
assert !topic.respond_to?(:title=)
|
|
exception = assert_raise(NoMethodError) { topic.title = "Pants" }
|
|
assert exception.message.include?("private method")
|
|
topic.send(:title=, "Very large pants")
|
|
end
|
|
|
|
test "attribute predicates respect access control" do
|
|
privatize("title?")
|
|
|
|
topic = @target.new(title: "Isaac Newton's pants")
|
|
assert !topic.respond_to?(:title?)
|
|
exception = assert_raise(NoMethodError) { topic.title? }
|
|
assert exception.message.include?("private method")
|
|
assert topic.send(:title?)
|
|
end
|
|
|
|
test "bulk updates respect access control" do
|
|
privatize("title=(value)")
|
|
|
|
assert_raise(ActiveRecord::UnknownAttributeError) { @target.new(title: "Rants about pants") }
|
|
assert_raise(ActiveRecord::UnknownAttributeError) { @target.new.attributes = { title: "Ants in pants" } }
|
|
end
|
|
|
|
test "bulk update raises ActiveRecord::UnknownAttributeError" do
|
|
error = assert_raises(ActiveRecord::UnknownAttributeError) {
|
|
Topic.new(hello: "world")
|
|
}
|
|
assert_instance_of Topic, error.record
|
|
assert_equal "hello", error.attribute
|
|
assert_equal "unknown attribute 'hello' for Topic.", error.message
|
|
end
|
|
|
|
test "method overrides in multi-level subclasses" do
|
|
klass = Class.new(Developer) do
|
|
def name
|
|
"dev:#{read_attribute(:name)}"
|
|
end
|
|
end
|
|
|
|
2.times { klass = Class.new(klass) }
|
|
dev = klass.new(name: "arthurnn")
|
|
dev.save!
|
|
assert_equal "dev:arthurnn", dev.reload.name
|
|
end
|
|
|
|
test "global methods are overwritten" do
|
|
klass = Class.new(ActiveRecord::Base) do
|
|
self.table_name = "computers"
|
|
end
|
|
|
|
assert !klass.instance_method_already_implemented?(:system)
|
|
computer = klass.new
|
|
assert_nil computer.system
|
|
end
|
|
|
|
test "global methods are overwritten when subclassing" do
|
|
klass = Class.new(ActiveRecord::Base) do
|
|
self.abstract_class = true
|
|
end
|
|
|
|
subklass = Class.new(klass) do
|
|
self.table_name = "computers"
|
|
end
|
|
|
|
assert !klass.instance_method_already_implemented?(:system)
|
|
assert !subklass.instance_method_already_implemented?(:system)
|
|
computer = subklass.new
|
|
assert_nil computer.system
|
|
end
|
|
|
|
test "instance methods should be defined on the base class" do
|
|
subklass = Class.new(Topic)
|
|
|
|
Topic.define_attribute_methods
|
|
|
|
instance = subklass.new
|
|
instance.id = 5
|
|
assert_equal 5, instance.id
|
|
assert subklass.method_defined?(:id), "subklass is missing id method"
|
|
|
|
Topic.undefine_attribute_methods
|
|
|
|
assert_equal 5, instance.id
|
|
assert subklass.method_defined?(:id), "subklass is missing id method"
|
|
end
|
|
|
|
test "read_attribute with nil should not asplode" do
|
|
assert_nil Topic.new.read_attribute(nil)
|
|
end
|
|
|
|
# If B < A, and A defines an accessor for 'foo', we don't want to override
|
|
# that by defining a 'foo' method in the generated methods module for B.
|
|
# (That module will be inserted between the two, e.g. [B, <GeneratedAttributes>, A].)
|
|
test "inherited custom accessors" do
|
|
klass = new_topic_like_ar_class do
|
|
self.abstract_class = true
|
|
def title; "omg"; end
|
|
def title=(val); self.author_name = val; end
|
|
end
|
|
subklass = Class.new(klass)
|
|
[klass, subklass].each(&:define_attribute_methods)
|
|
|
|
topic = subklass.find(1)
|
|
assert_equal "omg", topic.title
|
|
|
|
topic.title = "lol"
|
|
assert_equal "lol", topic.author_name
|
|
end
|
|
|
|
test "inherited custom accessors with reserved names" do
|
|
klass = Class.new(ActiveRecord::Base) do
|
|
self.table_name = "computers"
|
|
self.abstract_class = true
|
|
def system; "omg"; end
|
|
def system=(val); self.developer = val; end
|
|
end
|
|
|
|
subklass = Class.new(klass)
|
|
[klass, subklass].each(&:define_attribute_methods)
|
|
|
|
computer = subklass.find(1)
|
|
assert_equal "omg", computer.system
|
|
|
|
computer.developer = 99
|
|
assert_equal 99, computer.developer
|
|
end
|
|
|
|
test "on_the_fly_super_invokable_generated_attribute_methods_via_method_missing" do
|
|
klass = new_topic_like_ar_class do
|
|
def title
|
|
super + "!"
|
|
end
|
|
end
|
|
|
|
real_topic = topics(:first)
|
|
assert_equal real_topic.title + "!", klass.find(real_topic.id).title
|
|
end
|
|
|
|
test "on-the-fly super-invokable generated attribute predicates via method_missing" do
|
|
klass = new_topic_like_ar_class do
|
|
def title?
|
|
!super
|
|
end
|
|
end
|
|
|
|
real_topic = topics(:first)
|
|
assert_equal !real_topic.title?, klass.find(real_topic.id).title?
|
|
end
|
|
|
|
test "calling super when the parent does not define method raises NoMethodError" do
|
|
klass = new_topic_like_ar_class do
|
|
def some_method_that_is_not_on_super
|
|
super
|
|
end
|
|
end
|
|
|
|
assert_raise(NoMethodError) do
|
|
klass.new.some_method_that_is_not_on_super
|
|
end
|
|
end
|
|
|
|
test "attribute_method?" do
|
|
assert @target.attribute_method?(:title)
|
|
assert @target.attribute_method?(:title=)
|
|
assert_not @target.attribute_method?(:wibble)
|
|
end
|
|
|
|
test "attribute_method? returns false if the table does not exist" do
|
|
@target.table_name = "wibble"
|
|
assert_not @target.attribute_method?(:title)
|
|
end
|
|
|
|
test "attribute_names on a new record" do
|
|
model = @target.new
|
|
|
|
assert_equal @target.column_names, model.attribute_names
|
|
end
|
|
|
|
test "attribute_names on a queried record" do
|
|
model = @target.last!
|
|
|
|
assert_equal @target.column_names, model.attribute_names
|
|
end
|
|
|
|
test "attribute_names with a custom select" do
|
|
model = @target.select("id").last!
|
|
|
|
assert_equal ["id"], model.attribute_names
|
|
# Sanity check, make sure other columns exist.
|
|
assert_not_equal ["id"], @target.column_names
|
|
end
|
|
|
|
test "came_from_user?" do
|
|
model = @target.first
|
|
|
|
assert_not model.id_came_from_user?
|
|
model.id = "omg"
|
|
assert model.id_came_from_user?
|
|
end
|
|
|
|
test "accessed_fields" do
|
|
model = @target.first
|
|
|
|
assert_equal [], model.accessed_fields
|
|
|
|
model.title
|
|
|
|
assert_equal ["title"], model.accessed_fields
|
|
end
|
|
|
|
private
|
|
|
|
def new_topic_like_ar_class(&block)
|
|
klass = Class.new(ActiveRecord::Base) do
|
|
self.table_name = "topics"
|
|
class_eval(&block)
|
|
end
|
|
|
|
assert_empty klass.generated_attribute_methods.instance_methods(false)
|
|
klass
|
|
end
|
|
|
|
def with_time_zone_aware_types(*types)
|
|
old_types = ActiveRecord::Base.time_zone_aware_types
|
|
ActiveRecord::Base.time_zone_aware_types = types
|
|
yield
|
|
ensure
|
|
ActiveRecord::Base.time_zone_aware_types = old_types
|
|
end
|
|
|
|
def cached_columns
|
|
Topic.columns.map(&:name)
|
|
end
|
|
|
|
def time_related_columns_on_topic
|
|
Topic.columns.select { |c| [:time, :date, :datetime, :timestamp].include?(c.type) }
|
|
end
|
|
|
|
def privatize(method_signature)
|
|
@target.class_eval(<<-private_method, __FILE__, __LINE__ + 1)
|
|
private
|
|
def #{method_signature}
|
|
"I'm private"
|
|
end
|
|
private_method
|
|
end
|
|
end
|