--- /dev/null
+require "cases/helper"
+require 'models/post'
+require 'models/topic'
+require 'models/comment'
+require 'models/reply'
+require 'models/author'
+require 'models/developer'
+
+class NamedScopeTest < ActiveRecord::TestCase
+ fixtures :posts, :authors, :topics, :comments, :author_addresses
+
+ def test_named_scope_with_STI
+ assert_equal 5,Post.with_type_self.count
+ assert_equal 1,SpecialPost.with_type_self.count
+ end
+
+ def test_implements_enumerable
+ assert !Topic.find(:all).empty?
+
+ assert_equal Topic.find(:all), Topic.base
+ assert_equal Topic.find(:all), Topic.base.to_a
+ assert_equal Topic.find(:first), Topic.base.first
+ assert_equal Topic.find(:all), Topic.base.map { |i| i }
+ end
+
+ def test_found_items_are_cached
+ Topic.columns
+ all_posts = Topic.base
+
+ assert_queries(1) do
+ all_posts.collect
+ all_posts.collect
+ end
+ end
+
+ def test_reload_expires_cache_of_found_items
+ all_posts = Topic.base
+ all_posts.inspect
+
+ new_post = Topic.create!
+ assert !all_posts.include?(new_post)
+ assert all_posts.reload.include?(new_post)
+ end
+
+ def test_delegates_finds_and_calculations_to_the_base_class
+ assert !Topic.find(:all).empty?
+
+ assert_equal Topic.find(:all), Topic.base.find(:all)
+ assert_equal Topic.find(:first), Topic.base.find(:first)
+ assert_equal Topic.count, Topic.base.count
+ assert_equal Topic.average(:replies_count), Topic.base.average(:replies_count)
+ end
+
+ def test_scope_should_respond_to_own_methods_and_methods_of_the_proxy
+ assert Topic.approved.respond_to?(:proxy_found)
+ assert Topic.approved.respond_to?(:count)
+ assert Topic.approved.respond_to?(:length)
+ end
+
+ def test_respond_to_respects_include_private_parameter
+ assert !Topic.approved.respond_to?(:load_found)
+ assert Topic.approved.respond_to?(:load_found, true)
+ end
+
+ def test_subclasses_inherit_scopes
+ assert Topic.scopes.include?(:base)
+
+ assert Reply.scopes.include?(:base)
+ assert_equal Reply.find(:all), Reply.base
+ end
+
+ def test_scopes_with_options_limit_finds_to_those_matching_the_criteria_specified
+ assert !Topic.find(:all, :conditions => {:approved => true}).empty?
+
+ assert_equal Topic.find(:all, :conditions => {:approved => true}), Topic.approved
+ assert_equal Topic.count(:conditions => {:approved => true}), Topic.approved.count
+ end
+
+ def test_scopes_with_string_name_can_be_composed
+ # NOTE that scopes defined with a string as a name worked on their own
+ # but when called on another scope the other scope was completely replaced
+ assert_equal Topic.replied.approved, Topic.replied.approved_as_string
+ end
+
+ def test_scopes_can_be_specified_with_deep_hash_conditions
+ assert_equal Topic.replied.approved, Topic.replied.approved_as_hash_condition
+ end
+
+ def test_scopes_are_composable
+ assert_equal (approved = Topic.find(:all, :conditions => {:approved => true})), Topic.approved
+ assert_equal (replied = Topic.find(:all, :conditions => 'replies_count > 0')), Topic.replied
+ assert !(approved == replied)
+ assert !(approved & replied).empty?
+
+ assert_equal approved & replied, Topic.approved.replied
+ end
+
+ def test_procedural_scopes
+ topics_written_before_the_third = Topic.find(:all, :conditions => ['written_on < ?', topics(:third).written_on])
+ topics_written_before_the_second = Topic.find(:all, :conditions => ['written_on < ?', topics(:second).written_on])
+ assert_not_equal topics_written_before_the_second, topics_written_before_the_third
+
+ assert_equal topics_written_before_the_third, Topic.written_before(topics(:third).written_on)
+ assert_equal topics_written_before_the_second, Topic.written_before(topics(:second).written_on)
+ end
+
+ def test_procedural_scopes_returning_nil
+ all_topics = Topic.find(:all)
+
+ assert_equal all_topics, Topic.written_before(nil)
+ end
+
+ def test_scopes_with_joins
+ address = author_addresses(:david_address)
+ posts_with_authors_at_address = Post.find(
+ :all, :joins => 'JOIN authors ON authors.id = posts.author_id',
+ :conditions => [ 'authors.author_address_id = ?', address.id ]
+ )
+ assert_equal posts_with_authors_at_address, Post.with_authors_at_address(address)
+ end
+
+ def test_scopes_with_joins_respects_custom_select
+ address = author_addresses(:david_address)
+ posts_with_authors_at_address_titles = Post.find(:all,
+ :select => 'title',
+ :joins => 'JOIN authors ON authors.id = posts.author_id',
+ :conditions => [ 'authors.author_address_id = ?', address.id ]
+ )
+ assert_equal posts_with_authors_at_address_titles, Post.with_authors_at_address(address).find(:all, :select => 'title')
+ end
+
+ def test_extensions
+ assert_equal 1, Topic.anonymous_extension.one
+ assert_equal 2, Topic.named_extension.two
+ end
+
+ def test_multiple_extensions
+ assert_equal 2, Topic.multiple_extensions.extension_two
+ assert_equal 1, Topic.multiple_extensions.extension_one
+ end
+
+ def test_has_many_associations_have_access_to_named_scopes
+ assert_not_equal Post.containing_the_letter_a, authors(:david).posts
+ assert !Post.containing_the_letter_a.empty?
+
+ assert_equal authors(:david).posts & Post.containing_the_letter_a, authors(:david).posts.containing_the_letter_a
+ end
+
+ def test_nested_named_scopes_doesnt_duplicate_conditions_on_child_scopes
+ comments_scope = posts(:welcome).comments.send(:construct_sql)
+ named_scope_sql_conditions = posts(:welcome).comments.containing_the_letter_e.send(:current_scoped_methods)[:find][:conditions]
+ assert_no_match /#{comments_scope}.*#{comments_scope}/i, named_scope_sql_conditions
+ end
+
+ def test_has_many_through_associations_have_access_to_named_scopes
+ assert_not_equal Comment.containing_the_letter_e, authors(:david).comments
+ assert !Comment.containing_the_letter_e.empty?
+
+ assert_equal authors(:david).comments & Comment.containing_the_letter_e, authors(:david).comments.containing_the_letter_e
+ end
+
+ def test_named_scopes_honor_current_scopes_from_when_defined
+ assert !Post.ranked_by_comments.limit(5).empty?
+ assert !authors(:david).posts.ranked_by_comments.limit(5).empty?
+ assert_not_equal Post.ranked_by_comments.limit(5), authors(:david).posts.ranked_by_comments.limit(5)
+ assert_not_equal Post.top(5), authors(:david).posts.top(5)
+ assert_equal authors(:david).posts.ranked_by_comments.limit(5), authors(:david).posts.top(5)
+ assert_equal Post.ranked_by_comments.limit(5), Post.top(5)
+ end
+
+ def test_active_records_have_scope_named__all__
+ assert !Topic.find(:all).empty?
+
+ assert_equal Topic.find(:all), Topic.base
+ end
+
+ def test_active_records_have_scope_named__scoped__
+ assert !Topic.find(:all, scope = {:conditions => "content LIKE '%Have%'"}).empty?
+
+ assert_equal Topic.find(:all, scope), Topic.scoped(scope)
+ end
+
+ def test_proxy_options
+ expected_proxy_options = { :conditions => { :approved => true } }
+ assert_equal expected_proxy_options, Topic.approved.proxy_options
+ end
+
+ def test_first_and_last_should_support_find_options
+ assert_equal Topic.base.first(:order => 'title'), Topic.base.find(:first, :order => 'title')
+ assert_equal Topic.base.last(:order => 'title'), Topic.base.find(:last, :order => 'title')
+ end
+
+ def test_first_and_last_should_allow_integers_for_limit
+ assert_equal Topic.base.first(2), Topic.base.to_a.first(2)
+ assert_equal Topic.base.last(2), Topic.base.to_a.last(2)
+ end
+
+ def test_first_and_last_should_not_use_query_when_results_are_loaded
+ topics = Topic.base
+ topics.reload # force load
+ assert_no_queries do
+ topics.first
+ topics.last
+ end
+ end
+
+ def test_first_and_last_find_options_should_use_query_when_results_are_loaded
+ topics = Topic.base
+ topics.reload # force load
+ assert_queries(2) do
+ topics.first(:order => 'title')
+ topics.last(:order => 'title')
+ end
+ end
+
+ def test_empty_should_not_load_results
+ topics = Topic.base
+ assert_queries(2) do
+ topics.empty? # use count query
+ topics.collect # force load
+ topics.empty? # use loaded (no query)
+ end
+ end
+
+ def test_any_should_not_load_results
+ topics = Topic.base
+ assert_queries(2) do
+ topics.any? # use count query
+ topics.collect # force load
+ topics.any? # use loaded (no query)
+ end
+ end
+
+ def test_any_should_call_proxy_found_if_using_a_block
+ topics = Topic.base
+ assert_queries(1) do
+ topics.expects(:empty?).never
+ topics.any? { true }
+ end
+ end
+
+ def test_any_should_not_fire_query_if_named_scope_loaded
+ topics = Topic.base
+ topics.collect # force load
+ assert_no_queries { assert topics.any? }
+ end
+
+ def test_should_build_with_proxy_options
+ topic = Topic.approved.build({})
+ assert topic.approved
+ end
+
+ def test_should_build_new_with_proxy_options
+ topic = Topic.approved.new
+ assert topic.approved
+ end
+
+ def test_should_create_with_proxy_options
+ topic = Topic.approved.create({})
+ assert topic.approved
+ end
+
+ def test_should_create_with_bang_with_proxy_options
+ topic = Topic.approved.create!({})
+ assert topic.approved
+ end
+
+ def test_should_build_with_proxy_options_chained
+ topic = Topic.approved.by_lifo.build({})
+ assert topic.approved
+ assert_equal 'lifo', topic.author_name
+ end
+
+ def test_find_all_should_behave_like_select
+ assert_equal Topic.base.select(&:approved), Topic.base.find_all(&:approved)
+ end
+
+ def test_rand_should_select_a_random_object_from_proxy
+ assert Topic.approved.sample.is_a?(Topic)
+ end
+
+ def test_should_use_where_in_query_for_named_scope
+ assert_equal Developer.find_all_by_name('Jamis').to_set, Developer.find_all_by_id(Developer.jamises).to_set
+ end
+
+ def test_size_should_use_count_when_results_are_not_loaded
+ topics = Topic.base
+ assert_queries(1) do
+ assert_sql(/COUNT/i) { topics.size }
+ end
+ end
+
+ def test_size_should_use_length_when_results_are_loaded
+ topics = Topic.base
+ topics.reload # force load
+ assert_no_queries do
+ topics.size # use loaded (no query)
+ end
+ end
+
+ def test_chaining_with_duplicate_joins
+ join = "INNER JOIN comments ON comments.post_id = posts.id"
+ post = Post.find(1)
+ assert_equal post.comments.size, Post.scoped(:joins => join).scoped(:joins => join, :conditions => "posts.id = #{post.id}").size
+ end
+
+ def test_chaining_should_use_latest_conditions_when_creating
+ post = Topic.rejected.new
+ assert !post.approved?
+
+ post = Topic.rejected.approved.new
+ assert post.approved?
+
+ post = Topic.approved.rejected.new
+ assert !post.approved?
+
+ post = Topic.approved.rejected.approved.new
+ assert post.approved?
+ end
+
+ def test_chaining_should_use_latest_conditions_when_searching
+ # Normal hash conditions
+ assert_equal Topic.all(:conditions => {:approved => true}), Topic.rejected.approved.all
+ assert_equal Topic.all(:conditions => {:approved => false}), Topic.approved.rejected.all
+
+ # Nested hash conditions with same keys
+ assert_equal [posts(:sti_comments)], Post.with_special_comments.with_very_special_comments.all
+
+ # Nested hash conditions with different keys
+ assert_equal [posts(:sti_comments)], Post.with_special_comments.with_post(4).all.uniq
+ end
+
+ def test_named_scopes_batch_finders
+ assert_equal 3, Topic.approved.count
+
+ assert_queries(4) do
+ Topic.approved.find_each(:batch_size => 1) {|t| assert t.approved? }
+ end
+
+ assert_queries(2) do
+ Topic.approved.find_in_batches(:batch_size => 2) do |group|
+ group.each {|t| assert t.approved? }
+ end
+ end
+ end
+
+ def test_table_names_for_chaining_scopes_with_and_without_table_name_included
+ assert_nothing_raised do
+ Comment.for_first_post.for_first_author.all
+ end
+ end
+end
+
+class DynamicScopeMatchTest < ActiveRecord::TestCase
+ def test_scoped_by_no_match
+ assert_nil ActiveRecord::DynamicScopeMatch.match("not_scoped_at_all")
+ end
+
+ def test_scoped_by
+ match = ActiveRecord::DynamicScopeMatch.match("scoped_by_age_and_sex_and_location")
+ assert_not_nil match
+ assert match.scope?
+ assert_equal %w(age sex location), match.attribute_names
+ end
+end
+
+class DynamicScopeTest < ActiveRecord::TestCase
+ def test_dynamic_scope
+ assert_equal Post.scoped_by_author_id(1).find(1), Post.find(1)
+ assert_equal Post.scoped_by_author_id_and_title(1, "Welcome to the weblog").first, Post.find(:first, :conditions => { :author_id => 1, :title => "Welcome to the weblog"})
+ end
+end
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