mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
932 lines
29 KiB
Ruby
932 lines
29 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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def test_attribute_for_inspect
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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 %("#{t.written_on.to_s(:db)}"), t.attribute_for_inspect(:written_on)
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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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def test_attribute_present
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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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def test_attribute_present_with_booleans
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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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def test_caching_nil_primary_key
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klass = Class.new(Minimalistic)
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klass.expects(:reset_primary_key).returns(nil).once
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2.times { klass.primary_key }
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end
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def test_attribute_keys_on_new_instance
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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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def test_boolean_attributes
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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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def test_set_attributes
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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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def test_set_attributes_without_hash
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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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def test_integers_as_nil
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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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def test_set_attributes_with_block
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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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def test_respond_to?
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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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def test_respond_to_with_custom_primary_key
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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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def test_id_before_type_cast_with_custom_primary_key
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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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def test_respond_to_with_allocated_object
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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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def test_allocated_object_can_be_inspected
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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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def test_array_content
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topic = Topic.new
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topic.content = %w( one two three )
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topic.save
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assert_equal(%w( one two three ), Topic.find(topic.id).content)
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end
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def test_read_attributes_before_type_cast
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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?(:MysqlAdapter)
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def test_read_attributes_before_type_cast_on_boolean
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bool = Boolean.create({ "value" => false })
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if RUBY_PLATFORM =~ /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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def test_read_attributes_before_type_cast_on_datetime
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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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def test_read_attributes_after_type_cast_on_datetime
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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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def test_hash_content
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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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def test_update_array_content
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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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def test_case_sensitive_attributes_hash
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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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def test_attributes_without_primary_key
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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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def test_hashes_not_mangled
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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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def test_create_through_factory
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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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def test_write_attribute
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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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def test_read_attribute
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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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def test_read_attribute_raises_missing_attribute_error_when_not_exists
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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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def test_read_attribute_when_false
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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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def test_read_attribute_when_true
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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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def test_read_write_boolean_attribute
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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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def test_overridden_write_attribute
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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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def test_overridden_read_attribute
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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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def test_read_overridden_attribute
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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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def test_query_attribute_string
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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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def test_query_attribute_number
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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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def test_query_attribute_boolean
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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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def test_query_attribute_with_custom_fields
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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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def test_non_attribute_access_and_assignment
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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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def test_undeclared_attribute_method_does_not_affect_respond_to_and_method_missing
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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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def test_declared_prefixed_attribute_method_affects_respond_to_and_method_missing
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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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def test_declared_suffixed_attribute_method_affects_respond_to_and_method_missing
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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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def test_declared_affixed_attribute_method_affects_respond_to_and_method_missing
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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
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def test_should_unserialize_attributes_for_frozen_records
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myobj = {:value1 => :value2}
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topic = Topic.create("content" => myobj)
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topic.freeze
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assert_equal myobj, topic.content
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end
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def test_typecast_attribute_from_select_to_false
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Topic.create(:title => 'Budget')
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# Oracle does not support boolean expressions in SELECT
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if current_adapter?(:OracleAdapter)
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topic = Topic.all.merge!(:select => "topics.*, 0 as is_test").first
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else
|
|
topic = Topic.all.merge!(:select => "topics.*, 1=2 as is_test").first
|
|
end
|
|
assert !topic.is_test?
|
|
end
|
|
|
|
def test_typecast_attribute_from_select_to_true
|
|
Topic.create(:title => 'Budget')
|
|
# Oracle does not support boolean expressions in SELECT
|
|
if current_adapter?(:OracleAdapter)
|
|
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
|
|
|
|
def test_raises_dangerous_attribute_error_when_defining_activerecord_method_in_model
|
|
%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
|
|
|
|
def test_deprecated_cache_attributes
|
|
assert_deprecated do
|
|
Topic.cache_attributes :replies_count
|
|
end
|
|
|
|
assert_deprecated do
|
|
Topic.cached_attributes
|
|
end
|
|
|
|
assert_deprecated do
|
|
Topic.cache_attribute? :replies_count
|
|
end
|
|
end
|
|
|
|
def test_converted_values_are_returned_after_assignment
|
|
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_before_type_cast
|
|
assert_equal 1337, developer.name_before_type_cast
|
|
|
|
assert_equal 50000, developer.salary
|
|
assert_equal "1337", developer.name
|
|
end
|
|
|
|
def test_write_nil_to_time_attributes
|
|
in_time_zone "Pacific Time (US & Canada)" do
|
|
record = @target.new
|
|
record.written_on = nil
|
|
assert_nil record.written_on
|
|
end
|
|
end
|
|
|
|
def test_write_time_to_date_attributes
|
|
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
|
|
|
|
def test_time_attributes_are_retrieved_in_current_time_zone
|
|
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
|
|
|
|
def test_setting_time_zone_aware_attribute_to_utc
|
|
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
|
|
|
|
def test_setting_time_zone_aware_attribute_in_other_time_zone
|
|
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
|
|
|
|
def test_setting_time_zone_aware_read_attribute
|
|
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
|
|
|
|
def test_setting_time_zone_aware_attribute_with_string
|
|
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
|
|
|
|
def test_time_zone_aware_attribute_saved
|
|
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
|
|
|
|
def test_setting_time_zone_aware_attribute_to_blank_string_returns_nil
|
|
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
|
|
|
|
def test_setting_time_zone_aware_attribute_interprets_time_zone_unaware_string_in_time_zone
|
|
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
|
|
|
|
def test_setting_time_zone_aware_attribute_in_current_time_zone
|
|
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
|
|
|
|
def test_yaml_dumping_record_with_time_zone_aware_attribute
|
|
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
|
|
|
|
def test_setting_time_zone_conversion_for_attributes_should_write_value_on_class_variable
|
|
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
|
|
|
|
def test_read_attributes_respect_access_control
|
|
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
|
|
|
|
def test_write_attributes_respect_access_control
|
|
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
|
|
|
|
def test_question_attributes_respect_access_control
|
|
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
|
|
|
|
def test_bulk_update_respects_access_control
|
|
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
|
|
|
|
def test_bulk_update_raise_unknown_attribute_error
|
|
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
|
|
|
|
def test_methods_override_in_multi_level_subclass
|
|
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
|
|
|
|
def test_global_methods_are_overwritten
|
|
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
|
|
|
|
def test_global_methods_are_overwritte_when_subclassing
|
|
klass = Class.new(ActiveRecord::Base) { self.abstract_class = true }
|
|
|
|
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
|
|
|
|
def test_instance_method_should_be_defined_on_the_base_class
|
|
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
|
|
|
|
def test_read_attribute_with_nil_should_not_asplode
|
|
assert_equal 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].)
|
|
def test_inherited_custom_accessors
|
|
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
|
|
|
|
def test_inherited_custom_accessors_with_reserved_names
|
|
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
|
|
|
|
def test_on_the_fly_super_invokable_generated_attribute_methods_via_method_missing
|
|
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
|
|
|
|
def test_on_the_fly_super_invokable_generated_predicate_attribute_methods_via_method_missing
|
|
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
|
|
|
|
def test_calling_super_when_parent_does_not_define_method_raises_error
|
|
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
|
|
|
|
def test_attribute_method?
|
|
assert @target.attribute_method?(:title)
|
|
assert @target.attribute_method?(:title=)
|
|
assert_not @target.attribute_method?(:wibble)
|
|
end
|
|
|
|
def test_attribute_method_returns_false_if_table_does_not_exist
|
|
@target.table_name = 'wibble'
|
|
assert_not @target.attribute_method?(:title)
|
|
end
|
|
|
|
def test_attribute_names_on_new_record
|
|
model = @target.new
|
|
|
|
assert_equal @target.column_names, model.attribute_names
|
|
end
|
|
|
|
def test_attribute_names_on_queried_record
|
|
model = @target.last!
|
|
|
|
assert_equal @target.column_names, model.attribute_names
|
|
end
|
|
|
|
def test_attribute_names_with_custom_select
|
|
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
|
|
|
|
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 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
|