mirror of
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280 lines
9 KiB
Ruby
280 lines
9 KiB
Ruby
require "cases/helper"
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require 'models/post'
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require 'models/topic'
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require 'models/comment'
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require 'models/reply'
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require 'models/author'
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require 'models/developer'
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class NamedScopeTest < ActiveRecord::TestCase
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fixtures :posts, :authors, :topics, :comments, :author_addresses
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def test_implements_enumerable
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assert !Topic.find(:all).empty?
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assert_equal Topic.find(:all), Topic.base
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assert_equal Topic.find(:all), Topic.base.to_a
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assert_equal Topic.find(:first), Topic.base.first
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assert_equal Topic.find(:all), Topic.base.each { |i| i }
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end
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def test_found_items_are_cached
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Topic.columns
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all_posts = Topic.base
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assert_queries(1) do
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all_posts.collect
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all_posts.collect
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end
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end
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def test_reload_expires_cache_of_found_items
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all_posts = Topic.base
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all_posts.inspect
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new_post = Topic.create!
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assert !all_posts.include?(new_post)
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assert all_posts.reload.include?(new_post)
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end
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def test_delegates_finds_and_calculations_to_the_base_class
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assert !Topic.find(:all).empty?
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assert_equal Topic.find(:all), Topic.base.find(:all)
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assert_equal Topic.find(:first), Topic.base.find(:first)
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assert_equal Topic.count, Topic.base.count
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assert_equal Topic.average(:replies_count), Topic.base.average(:replies_count)
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end
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def test_scope_should_respond_to_own_methods_and_methods_of_the_proxy
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assert Topic.approved.respond_to?(:proxy_found)
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assert Topic.approved.respond_to?(:count)
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assert Topic.approved.respond_to?(:length)
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end
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def test_respond_to_respects_include_private_parameter
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assert !Topic.approved.respond_to?(:load_found)
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assert Topic.approved.respond_to?(:load_found, true)
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end
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def test_subclasses_inherit_scopes
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assert Topic.scopes.include?(:base)
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assert Reply.scopes.include?(:base)
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assert_equal Reply.find(:all), Reply.base
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end
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def test_scopes_with_options_limit_finds_to_those_matching_the_criteria_specified
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assert !Topic.find(:all, :conditions => {:approved => true}).empty?
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assert_equal Topic.find(:all, :conditions => {:approved => true}), Topic.approved
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assert_equal Topic.count(:conditions => {:approved => true}), Topic.approved.count
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end
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def test_scopes_with_string_name_can_be_composed
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# NOTE that scopes defined with a string as a name worked on their own
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# but when called on another scope the other scope was completely replaced
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assert_equal Topic.replied.approved, Topic.replied.approved_as_string
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end
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def test_scopes_can_be_specified_with_deep_hash_conditions
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assert_equal Topic.replied.approved, Topic.replied.approved_as_hash_condition
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end
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def test_scopes_are_composable
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assert_equal (approved = Topic.find(:all, :conditions => {:approved => true})), Topic.approved
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assert_equal (replied = Topic.find(:all, :conditions => 'replies_count > 0')), Topic.replied
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assert !(approved == replied)
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assert !(approved & replied).empty?
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assert_equal approved & replied, Topic.approved.replied
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end
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def test_procedural_scopes
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topics_written_before_the_third = Topic.find(:all, :conditions => ['written_on < ?', topics(:third).written_on])
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topics_written_before_the_second = Topic.find(:all, :conditions => ['written_on < ?', topics(:second).written_on])
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assert_not_equal topics_written_before_the_second, topics_written_before_the_third
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assert_equal topics_written_before_the_third, Topic.written_before(topics(:third).written_on)
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assert_equal topics_written_before_the_second, Topic.written_before(topics(:second).written_on)
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end
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def test_scopes_with_joins
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address = author_addresses(:david_address)
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posts_with_authors_at_address = Post.find(
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:all, :joins => 'JOIN authors ON authors.id = posts.author_id',
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:conditions => [ 'authors.author_address_id = ?', address.id ]
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)
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assert_equal posts_with_authors_at_address, Post.with_authors_at_address(address)
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end
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def test_scopes_with_joins_respects_custom_select
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address = author_addresses(:david_address)
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posts_with_authors_at_address_titles = Post.find(:all,
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:select => 'title',
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:joins => 'JOIN authors ON authors.id = posts.author_id',
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:conditions => [ 'authors.author_address_id = ?', address.id ]
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)
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assert_equal posts_with_authors_at_address_titles, Post.with_authors_at_address(address).find(:all, :select => 'title')
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end
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def test_extensions
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assert_equal 1, Topic.anonymous_extension.one
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assert_equal 2, Topic.named_extension.two
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end
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def test_multiple_extensions
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assert_equal 2, Topic.multiple_extensions.extension_two
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assert_equal 1, Topic.multiple_extensions.extension_one
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end
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def test_has_many_associations_have_access_to_named_scopes
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assert_not_equal Post.containing_the_letter_a, authors(:david).posts
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assert !Post.containing_the_letter_a.empty?
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assert_equal authors(:david).posts & Post.containing_the_letter_a, authors(:david).posts.containing_the_letter_a
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end
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def test_has_many_through_associations_have_access_to_named_scopes
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assert_not_equal Comment.containing_the_letter_e, authors(:david).comments
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assert !Comment.containing_the_letter_e.empty?
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assert_equal authors(:david).comments & Comment.containing_the_letter_e, authors(:david).comments.containing_the_letter_e
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end
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def test_active_records_have_scope_named__all__
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assert !Topic.find(:all).empty?
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assert_equal Topic.find(:all), Topic.base
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end
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def test_active_records_have_scope_named__scoped__
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assert !Topic.find(:all, scope = {:conditions => "content LIKE '%Have%'"}).empty?
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assert_equal Topic.find(:all, scope), Topic.scoped(scope)
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end
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def test_proxy_options
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expected_proxy_options = { :conditions => { :approved => true } }
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assert_equal expected_proxy_options, Topic.approved.proxy_options
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end
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def test_first_and_last_should_support_find_options
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assert_equal Topic.base.first(:order => 'title'), Topic.base.find(:first, :order => 'title')
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assert_equal Topic.base.last(:order => 'title'), Topic.base.find(:last, :order => 'title')
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end
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def test_first_and_last_should_allow_integers_for_limit
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assert_equal Topic.base.first(2), Topic.base.to_a.first(2)
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assert_equal Topic.base.last(2), Topic.base.to_a.last(2)
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end
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def test_first_and_last_should_not_use_query_when_results_are_loaded
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topics = Topic.base
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topics.reload # force load
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assert_no_queries do
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topics.first
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topics.last
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end
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end
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def test_first_and_last_find_options_should_use_query_when_results_are_loaded
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topics = Topic.base
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topics.reload # force load
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assert_queries(2) do
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topics.first(:order => 'title')
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topics.last(:order => 'title')
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end
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end
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def test_empty_should_not_load_results
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topics = Topic.base
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assert_queries(2) do
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topics.empty? # use count query
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topics.collect # force load
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topics.empty? # use loaded (no query)
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end
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end
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def test_any_should_not_load_results
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topics = Topic.base
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assert_queries(2) do
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topics.any? # use count query
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topics.collect # force load
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topics.any? # use loaded (no query)
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end
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end
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def test_any_should_call_proxy_found_if_using_a_block
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topics = Topic.base
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assert_queries(1) do
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topics.expects(:empty?).never
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topics.any? { true }
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end
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end
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def test_any_should_not_fire_query_if_named_scope_loaded
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topics = Topic.base
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topics.collect # force load
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assert_no_queries { assert topics.any? }
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end
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def test_should_build_with_proxy_options
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topic = Topic.approved.build({})
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assert topic.approved
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end
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def test_should_build_new_with_proxy_options
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topic = Topic.approved.new
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assert topic.approved
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end
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def test_should_create_with_proxy_options
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topic = Topic.approved.create({})
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assert topic.approved
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end
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def test_should_create_with_bang_with_proxy_options
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topic = Topic.approved.create!({})
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assert topic.approved
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end
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def test_should_build_with_proxy_options_chained
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topic = Topic.approved.by_lifo.build({})
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assert topic.approved
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assert_equal 'lifo', topic.author_name
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end
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def test_find_all_should_behave_like_select
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assert_equal Topic.base.select(&:approved), Topic.base.find_all(&:approved)
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end
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def test_rand_should_select_a_random_object_from_proxy
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assert Topic.approved.rand.is_a?(Topic)
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end
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def test_should_use_where_in_query_for_named_scope
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assert_equal Developer.find_all_by_name('Jamis'), Developer.find_all_by_id(Developer.jamises)
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end
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def test_size_should_use_count_when_results_are_not_loaded
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topics = Topic.base
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assert_queries(1) do
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assert_sql(/COUNT/i) { topics.size }
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end
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end
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def test_size_should_use_length_when_results_are_loaded
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topics = Topic.base
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topics.reload # force load
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assert_no_queries do
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topics.size # use loaded (no query)
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end
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end
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def test_chaining_with_duplicate_joins
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join = "INNER JOIN comments ON comments.post_id = posts.id"
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post = Post.find(1)
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assert_equal post.comments.size, Post.scoped(:joins => join).scoped(:joins => join, :conditions => "posts.id = #{post.id}").size
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end
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end
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