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639 lines
21 KiB
Ruby
639 lines
21 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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class AttributeMethodsTest < ActiveRecord::TestCase
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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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def teardown
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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_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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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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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_nothing_raised { 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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# Syck calls respond_to? before actually calling initialize
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def test_respond_to_with_allocated_object
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topic = Topic.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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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 categoty", :type => nil})
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category_attrs = {"name"=>"Test categoty", "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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assert_equal 0, bool.reload.attributes_before_type_cast["value"]
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end
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end
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unless current_adapter?(:Mysql2Adapter)
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def test_read_attributes_before_type_cast_on_datetime
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developer = Developer.find(:first)
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# Oracle adapter returns Time before type cast
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unless current_adapter?(:OracleAdapter)
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assert_equal developer.created_at.to_s(:db) , developer.attributes_before_type_cast["created_at"].to_s
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else
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assert_equal developer.created_at.to_s(:db) , developer.attributes_before_type_cast["created_at"].to_s(:db)
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developer.created_at = "345643456"
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assert_equal developer.created_at_before_type_cast, "345643456"
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assert_equal developer.created_at, nil
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developer.created_at = "2010-03-21 21:23:32"
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assert_equal developer.created_at_before_type_cast.to_s, "2010-03-21 21:23:32"
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assert_equal developer.created_at, Time.parse("2010-03-21 21:23:32")
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end
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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.find(:first).attributes
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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.send(:write_attribute, "title", "Still another topic: part 2")
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assert_equal "Still another topic: part 2", 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.send(: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.send(: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_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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# puts ""
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# puts "New Topic"
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# puts topic.inspect
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topic.approved = "false"
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# puts "Expecting false"
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# puts topic.inspect
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assert !topic.approved?, "approved should be false"
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topic.approved = "false"
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# puts "Expecting false"
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# puts topic.inspect
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assert !topic.approved?, "approved should be false"
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topic.approved = "true"
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# puts "Expecting true"
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# puts topic.inspect
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assert topic.approved?, "approved should be true"
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topic.approved = "true"
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# puts "Expecting true"
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# puts topic.inspect
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assert topic.approved?, "approved should be true"
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# puts ""
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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.ruby_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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topic = @target.new(:title => 'Budget')
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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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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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topic = @target.new(:title => 'Budget')
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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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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 = 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.find(:first, :select => "topics.*, 0 as is_test")
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else
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topic = Topic.find(:first, :select => "topics.*, 1=2 as is_test")
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end
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assert !topic.is_test?
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end
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def test_typecast_attribute_from_select_to_true
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topic = 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.find(:first, :select => "topics.*, 1 as is_test")
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else
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topic = Topic.find(:first, :select => "topics.*, 2=2 as is_test")
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end
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assert topic.is_test?
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end
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def test_kernel_methods_not_implemented_in_activerecord
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%w(test name display y).each do |method|
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assert !ActiveRecord::Base.instance_method_already_implemented?(method), "##{method} is defined"
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end
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end
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def test_defined_kernel_methods_implemented_in_model
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%w(test name display y).each do |method|
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klass = Class.new ActiveRecord::Base
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klass.class_eval "def #{method}() 'defined #{method}' end"
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assert klass.instance_method_already_implemented?(method), "##{method} is not defined"
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end
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end
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def test_defined_kernel_methods_implemented_in_model_abstract_subclass
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%w(test name display y).each do |method|
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abstract = Class.new ActiveRecord::Base
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abstract.class_eval "def #{method}() 'defined #{method}' end"
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abstract.abstract_class = true
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klass = Class.new abstract
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assert klass.instance_method_already_implemented?(method), "##{method} is not defined"
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end
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end
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def test_raises_dangerous_attribute_error_when_defining_activerecord_method_in_model
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%w(save create_or_update).each do |method|
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klass = Class.new ActiveRecord::Base
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klass.class_eval "def #{method}() 'defined #{method}' end"
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assert_raise ActiveRecord::DangerousAttributeError do
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klass.instance_method_already_implemented?(method)
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end
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end
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end
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def test_only_time_related_columns_are_meant_to_be_cached_by_default
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expected = %w(datetime timestamp time date).sort
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assert_equal expected, ActiveRecord::Base.attribute_types_cached_by_default.map(&:to_s).sort
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end
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def test_declaring_attributes_as_cached_adds_them_to_the_attributes_cached_by_default
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default_attributes = Topic.cached_attributes
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Topic.cache_attributes :replies_count
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expected = default_attributes + ["replies_count"]
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assert_equal expected.sort, Topic.cached_attributes.sort
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Topic.instance_variable_set "@cached_attributes", nil
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end
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def test_cacheable_columns_are_actually_cached
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assert_equal cached_columns.sort, Topic.cached_attributes.sort
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end
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def test_accessing_cached_attributes_caches_the_converted_values_and_nothing_else
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t = topics(:first)
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cache = t.instance_variable_get "@attributes_cache"
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assert_not_nil cache
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assert cache.empty?
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all_columns = Topic.columns.map(&:name)
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uncached_columns = all_columns - cached_columns
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all_columns.each do |attr_name|
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attribute_gets_cached = Topic.cache_attribute?(attr_name)
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val = t.send attr_name unless attr_name == "type"
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if attribute_gets_cached
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assert cached_columns.include?(attr_name)
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assert_equal val, cache[attr_name]
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else
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assert uncached_columns.include?(attr_name)
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assert !cache.include?(attr_name)
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end
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end
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end
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def test_time_attributes_are_retrieved_in_current_time_zone
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in_time_zone "Pacific Time (US & Canada)" do
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utc_time = Time.utc(2008, 1, 1)
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record = @target.new
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record[:written_on] = utc_time
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assert_equal utc_time, record.written_on # record.written on is equal to (i.e., simultaneous with) utc_time
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assert_kind_of ActiveSupport::TimeWithZone, record.written_on # but is a TimeWithZone
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assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone # and is in the current Time.zone
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assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time # and represents time values adjusted accordingly
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end
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end
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def test_setting_time_zone_aware_attribute_to_utc
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in_time_zone "Pacific Time (US & Canada)" do
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utc_time = Time.utc(2008, 1, 1)
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record = @target.new
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record.written_on = utc_time
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assert_equal utc_time, record.written_on
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assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
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assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
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end
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end
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def test_setting_time_zone_aware_attribute_in_other_time_zone
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utc_time = Time.utc(2008, 1, 1)
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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_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_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
|
|
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_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_match %r(^Attempt to call private method), exception.message
|
|
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_match %r(^Attempt to call private method), exception.message
|
|
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_match %r(^Attempt to call private method), exception.message
|
|
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_read_attribute_overwrites_private_method_not_considered_implemented
|
|
# simulate a model with a db column that shares its name an inherited
|
|
# private method (e.g. Object#system)
|
|
#
|
|
Object.class_eval do
|
|
private
|
|
def title; "private!"; end
|
|
end
|
|
assert !@target.instance_method_already_implemented?(:title)
|
|
topic = @target.new
|
|
assert_nil topic.title
|
|
|
|
Object.send(:undef_method, :title) # remove test method from object
|
|
end
|
|
|
|
|
|
private
|
|
def cached_columns
|
|
@cached_columns ||= (time_related_columns_on_topic + serialized_columns_on_topic).map(&:name)
|
|
end
|
|
|
|
def time_related_columns_on_topic
|
|
Topic.columns.select { |c| [:time, :date, :datetime, :timestamp].include?(c.type) }
|
|
end
|
|
|
|
def serialized_columns_on_topic
|
|
Topic.columns.select { |c| Topic.serialized_attributes.include?(c.name) }
|
|
end
|
|
|
|
def in_time_zone(zone)
|
|
old_zone = Time.zone
|
|
old_tz = ActiveRecord::Base.time_zone_aware_attributes
|
|
|
|
Time.zone = zone ? ActiveSupport::TimeZone[zone] : nil
|
|
ActiveRecord::Base.time_zone_aware_attributes = !zone.nil?
|
|
yield
|
|
ensure
|
|
Time.zone = old_zone
|
|
ActiveRecord::Base.time_zone_aware_attributes = old_tz
|
|
end
|
|
|
|
def privatize(method_signature)
|
|
@target.class_eval <<-private_method
|
|
private
|
|
def #{method_signature}
|
|
"I'm private"
|
|
end
|
|
private_method
|
|
end
|
|
end
|