JezK
Edit File: named_scope_test.rb
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