diff options
Diffstat (limited to 'activerecord/test/cases/relations_test.rb')
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 255 |
1 files changed, 176 insertions, 79 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index 90367df5ee..684538940a 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -34,7 +34,7 @@ class RelationTest < ActiveRecord::TestCase end def test_bind_values - relation = Post.scoped + relation = Post.all assert_equal [], relation.bind_values relation2 = relation.bind 'foo' @@ -59,44 +59,44 @@ class RelationTest < ActiveRecord::TestCase end def test_scoped - topics = Topic.scoped + topics = Topic.all assert_kind_of ActiveRecord::Relation, topics assert_equal 4, topics.size end def test_to_json - assert_nothing_raised { Bird.scoped.to_json } - assert_nothing_raised { Bird.scoped.all.to_json } + assert_nothing_raised { Bird.all.to_json } + assert_nothing_raised { Bird.all.to_a.to_json } end def test_to_yaml - assert_nothing_raised { Bird.scoped.to_yaml } - assert_nothing_raised { Bird.scoped.all.to_yaml } + assert_nothing_raised { Bird.all.to_yaml } + assert_nothing_raised { Bird.all.to_a.to_yaml } end def test_to_xml - assert_nothing_raised { Bird.scoped.to_xml } - assert_nothing_raised { Bird.scoped.all.to_xml } + assert_nothing_raised { Bird.all.to_xml } + assert_nothing_raised { Bird.all.to_a.to_xml } end def test_scoped_all - topics = Topic.scoped.all + topics = Topic.all.to_a assert_kind_of Array, topics assert_no_queries { assert_equal 4, topics.size } end def test_loaded_all - topics = Topic.scoped + topics = Topic.all assert_queries(1) do - 2.times { assert_equal 4, topics.all.size } + 2.times { assert_equal 4, topics.to_a.size } end assert topics.loaded? end def test_scoped_first - topics = Topic.scoped.order('id ASC') + topics = Topic.all.order('id ASC') assert_queries(1) do 2.times { assert_equal "The First Topic", topics.first.title } @@ -106,10 +106,10 @@ class RelationTest < ActiveRecord::TestCase end def test_loaded_first - topics = Topic.scoped.order('id ASC') + topics = Topic.all.order('id ASC') assert_queries(1) do - topics.all # force load + topics.to_a # force load 2.times { assert_equal "The First Topic", topics.first.title } end @@ -117,7 +117,7 @@ class RelationTest < ActiveRecord::TestCase end def test_reload - topics = Topic.scoped + topics = Topic.all assert_queries(1) do 2.times { topics.to_a } @@ -165,13 +165,13 @@ class RelationTest < ActiveRecord::TestCase end def test_finding_with_order_concatenated - topics = Topic.order('author_name').order('title') + topics = Topic.order('title').order('author_name') assert_equal 4, topics.to_a.size assert_equal topics(:fourth).title, topics.first.title end def test_finding_with_reorder - topics = Topic.order('author_name').order('title').reorder('id').all + topics = Topic.order('author_name').order('title').reorder('id').to_a topics_titles = topics.map{ |t| t.title } assert_equal ['The First Topic', 'The Second Topic of the day', 'The Third Topic of the day', 'The Fourth Topic of the day'], topics_titles end @@ -218,14 +218,14 @@ class RelationTest < ActiveRecord::TestCase end def test_select_with_block - even_ids = Developer.scoped.select {|d| d.id % 2 == 0 }.map(&:id) + even_ids = Developer.all.select {|d| d.id % 2 == 0 }.map(&:id) assert_equal [2, 4, 6, 8, 10], even_ids.sort end def test_none assert_no_queries do assert_equal [], Developer.none - assert_equal [], Developer.scoped.none + assert_equal [], Developer.all.none end end @@ -294,7 +294,7 @@ class RelationTest < ActiveRecord::TestCase end def test_find_on_hash_conditions - assert_equal Topic.scoped(:where => {:approved => false}).all, Topic.where({ :approved => false }).to_a + assert_equal Topic.all.merge!(:where => {:approved => false}).to_a, Topic.where({ :approved => false }).to_a end def test_joins_with_string_array @@ -307,15 +307,15 @@ class RelationTest < ActiveRecord::TestCase end def test_scoped_responds_to_delegated_methods - relation = Topic.scoped + relation = Topic.all ["map", "uniq", "sort", "insert", "delete", "update"].each do |method| - assert_respond_to relation, method, "Topic.scoped should respond to #{method.inspect}" + assert_respond_to relation, method, "Topic.all should respond to #{method.inspect}" end end def test_respond_to_delegates_to_relation - relation = Topic.scoped + relation = Topic.all fake_arel = Struct.new(:responds) { def respond_to? method, access = false responds << [method, access] @@ -334,20 +334,20 @@ class RelationTest < ActiveRecord::TestCase end def test_respond_to_dynamic_finders - relation = Topic.scoped + relation = Topic.all ["find_by_title", "find_by_title_and_author_name", "find_or_create_by_title", "find_or_initialize_by_title_and_author_name"].each do |method| - assert_respond_to relation, method, "Topic.scoped should respond to #{method.inspect}" + assert_respond_to relation, method, "Topic.all should respond to #{method.inspect}" end end def test_respond_to_class_methods_and_scopes - assert Topic.scoped.respond_to?(:by_lifo) + assert Topic.all.respond_to?(:by_lifo) end def test_find_with_readonly_option - Developer.scoped.each { |d| assert !d.readonly? } - Developer.scoped.readonly.each { |d| assert d.readonly? } + Developer.all.each { |d| assert !d.readonly? } + Developer.all.readonly.each { |d| assert d.readonly? } end def test_eager_association_loading_of_stis_with_multiple_references @@ -396,7 +396,7 @@ class RelationTest < ActiveRecord::TestCase end assert_queries(2) do - posts = Post.scoped.includes(:comments).order('posts.id') + posts = Post.all.includes(:comments).order('posts.id') assert posts.first.comments.first end @@ -413,12 +413,12 @@ class RelationTest < ActiveRecord::TestCase end def test_default_scope_with_conditions_string - assert_equal Developer.where(name: 'David').map(&:id).sort, DeveloperCalledDavid.scoped.map(&:id).sort + assert_equal Developer.where(name: 'David').map(&:id).sort, DeveloperCalledDavid.all.map(&:id).sort assert_nil DeveloperCalledDavid.create!.name end def test_default_scope_with_conditions_hash - assert_equal Developer.where(name: 'Jamis').map(&:id).sort, DeveloperCalledJamis.scoped.map(&:id).sort + assert_equal Developer.where(name: 'Jamis').map(&:id).sort, DeveloperCalledJamis.all.map(&:id).sort assert_equal 'Jamis', DeveloperCalledJamis.create!.name end @@ -457,20 +457,20 @@ class RelationTest < ActiveRecord::TestCase assert_equal expected_taggings, author.taggings.uniq.sort_by { |t| t.id } end - authors = Author.scoped + authors = Author.all assert_equal david, authors.find_by_id_and_name(david.id, david.name) assert_equal david, authors.find_by_id_and_name!(david.id, david.name) end def test_dynamic_find_by_attributes_bang - author = Author.scoped.find_by_id!(authors(:david).id) + author = Author.all.find_by_id!(authors(:david).id) assert_equal "David", author.name - assert_raises(ActiveRecord::RecordNotFound) { Author.scoped.find_by_id_and_name!(20, 'invalid') } + assert_raises(ActiveRecord::RecordNotFound) { Author.all.find_by_id_and_name!(20, 'invalid') } end def test_find_id - authors = Author.scoped + authors = Author.all david = authors.find(authors(:david).id) assert_equal 'David', david.name @@ -493,14 +493,14 @@ class RelationTest < ActiveRecord::TestCase end def test_find_in_empty_array - authors = Author.scoped.where(:id => []) - assert_blank authors.all + authors = Author.all.where(:id => []) + assert_blank authors.to_a end def test_where_with_ar_object author = Author.first - authors = Author.scoped.where(:id => author) - assert_equal 1, authors.all.length + authors = Author.all.where(:id => author) + assert_equal 1, authors.to_a.length end def test_find_with_list_of_ar @@ -528,7 +528,7 @@ class RelationTest < ActiveRecord::TestCase relation = relation.where(:name => david.name) relation = relation.where(:name => 'Santiago') relation = relation.where(:id => david.id) - assert_equal [], relation.all + assert_equal [], relation.to_a end def test_multi_where_ands_queries @@ -547,7 +547,7 @@ class RelationTest < ActiveRecord::TestCase ].inject(Author.unscoped) do |memo, param| memo.where(param) end - assert_equal [], relation.all + assert_equal [], relation.to_a end def test_find_all_using_where_with_relation @@ -556,7 +556,7 @@ class RelationTest < ActiveRecord::TestCase # assert_queries(2) { assert_queries(1) { relation = Author.where(:id => Author.where(:id => david.id)) - assert_equal [david], relation.all + assert_equal [david], relation.to_a } end @@ -566,7 +566,7 @@ class RelationTest < ActiveRecord::TestCase # assert_queries(2) { assert_queries(1) { relation = Minivan.where(:minivan_id => Minivan.where(:name => cool_first.name)) - assert_equal [cool_first], relation.all + assert_equal [cool_first], relation.to_a } end @@ -577,7 +577,7 @@ class RelationTest < ActiveRecord::TestCase assert_queries(1) { relation = Author.where(:id => subquery) - assert_equal [david], relation.all + assert_equal [david], relation.to_a } assert_equal 0, subquery.select_values.size @@ -587,7 +587,7 @@ class RelationTest < ActiveRecord::TestCase david = authors(:david) assert_queries(1) { relation = Author.where(:id => Author.joins(:posts).where(:id => david.id)) - assert_equal [david], relation.all + assert_equal [david], relation.to_a } end @@ -596,7 +596,7 @@ class RelationTest < ActiveRecord::TestCase david = authors(:david) assert_queries(1) { relation = Author.where(:name => Author.where(:id => david.id).select(:name)) - assert_equal [david], relation.all + assert_equal [david], relation.to_a } end @@ -615,7 +615,7 @@ class RelationTest < ActiveRecord::TestCase end def test_last - authors = Author.scoped + authors = Author.all assert_equal authors(:bob), authors.last end @@ -668,10 +668,29 @@ class RelationTest < ActiveRecord::TestCase assert_equal [developers(:poor_jamis)], dev_with_count.to_a end + def test_relation_merging_with_arel_equalities_keeps_last_equality + devs = Developer.where(Developer.arel_table[:salary].eq(80000)).merge( + Developer.where(Developer.arel_table[:salary].eq(9000)) + ) + assert_equal [developers(:poor_jamis)], devs.to_a + end + + def test_relation_merging_with_arel_equalities_keeps_last_equality_with_non_attribute_left_hand + salary_attr = Developer.arel_table[:salary] + devs = Developer.where( + Arel::Nodes::NamedFunction.new('abs', [salary_attr]).eq(80000) + ).merge( + Developer.where( + Arel::Nodes::NamedFunction.new('abs', [salary_attr]).eq(9000) + ) + ) + assert_equal [developers(:poor_jamis)], devs.to_a + end + def test_relation_merging_with_eager_load relations = [] - relations << Post.order('comments.id DESC').merge(Post.eager_load(:last_comment)).merge(Post.scoped) - relations << Post.eager_load(:last_comment).merge(Post.order('comments.id DESC')).merge(Post.scoped) + relations << Post.order('comments.id DESC').merge(Post.eager_load(:last_comment)).merge(Post.all) + relations << Post.eager_load(:last_comment).merge(Post.order('comments.id DESC')).merge(Post.all) relations.each do |posts| post = posts.find { |p| p.id == 1 } @@ -685,7 +704,7 @@ class RelationTest < ActiveRecord::TestCase end def test_relation_merging_with_preload - [Post.scoped.merge(Post.preload(:author)), Post.preload(:author).merge(Post.scoped)].each do |posts| + [Post.all.merge(Post.preload(:author)), Post.preload(:author).merge(Post.all)].each do |posts| assert_queries(2) { assert posts.first.author } end end @@ -695,8 +714,16 @@ class RelationTest < ActiveRecord::TestCase assert_equal 1, comments.count end + def test_relation_merging_with_association + assert_queries(2) do # one for loading post, and another one merged query + post = Post.where(:body => 'Such a lovely day').first + comments = Comment.where(:body => 'Thank you for the welcome').merge(post.comments) + assert_equal 1, comments.count + end + end + def test_count - posts = Post.scoped + posts = Post.all assert_equal 11, posts.count assert_equal 11, posts.count(:all) @@ -707,7 +734,7 @@ class RelationTest < ActiveRecord::TestCase end def test_count_with_distinct - posts = Post.scoped + posts = Post.all assert_equal 3, posts.count(:comments_count, :distinct => true) assert_equal 11, posts.count(:comments_count, :distinct => false) @@ -718,7 +745,7 @@ class RelationTest < ActiveRecord::TestCase def test_count_explicit_columns Post.update_all(:comments_count => nil) - posts = Post.scoped + posts = Post.all assert_equal [0], posts.select('comments_count').where('id is not null').group('id').order('id').count.values.uniq assert_equal 0, posts.where('id is not null').select('comments_count').count @@ -730,13 +757,13 @@ class RelationTest < ActiveRecord::TestCase end def test_multiple_selects - post = Post.scoped.select('comments_count').select('title').order("id ASC").first + post = Post.all.select('comments_count').select('title').order("id ASC").first assert_equal "Welcome to the weblog", post.title assert_equal 2, post.comments_count end def test_size - posts = Post.scoped + posts = Post.all assert_queries(1) { assert_equal 11, posts.size } assert ! posts.loaded? @@ -782,7 +809,7 @@ class RelationTest < ActiveRecord::TestCase end def test_empty - posts = Post.scoped + posts = Post.all assert_queries(1) { assert_equal false, posts.empty? } assert ! posts.loaded? @@ -808,7 +835,7 @@ class RelationTest < ActiveRecord::TestCase end def test_any - posts = Post.scoped + posts = Post.all # This test was failing when run on its own (as opposed to running the entire suite). # The second line in the assert_queries block was causing visit_Arel_Attributes_Attribute @@ -830,7 +857,7 @@ class RelationTest < ActiveRecord::TestCase end def test_many - posts = Post.scoped + posts = Post.all assert_queries(2) do assert posts.many? # Uses COUNT() @@ -842,14 +869,14 @@ class RelationTest < ActiveRecord::TestCase end def test_many_with_limits - posts = Post.scoped + posts = Post.all assert posts.many? assert ! posts.limit(1).many? end def test_build - posts = Post.scoped + posts = Post.all post = posts.new assert_kind_of Post, post @@ -864,7 +891,7 @@ class RelationTest < ActiveRecord::TestCase end def test_create - birds = Bird.scoped + birds = Bird.all sparrow = birds.create assert_kind_of Bird, sparrow @@ -876,7 +903,7 @@ class RelationTest < ActiveRecord::TestCase end def test_create_bang - birds = Bird.scoped + birds = Bird.all assert_raises(ActiveRecord::RecordInvalid) { birds.create! } @@ -1018,24 +1045,24 @@ class RelationTest < ActiveRecord::TestCase def test_except relation = Post.where(:author_id => 1).order('id ASC').limit(1) - assert_equal [posts(:welcome)], relation.all + assert_equal [posts(:welcome)], relation.to_a author_posts = relation.except(:order, :limit) - assert_equal Post.where(:author_id => 1).all, author_posts.all + assert_equal Post.where(:author_id => 1).to_a, author_posts.to_a all_posts = relation.except(:where, :order, :limit) - assert_equal Post.all, all_posts.all + assert_equal Post.all, all_posts end def test_only relation = Post.where(:author_id => 1).order('id ASC').limit(1) - assert_equal [posts(:welcome)], relation.all + assert_equal [posts(:welcome)], relation.to_a author_posts = relation.only(:where) - assert_equal Post.where(:author_id => 1).all, author_posts.all + assert_equal Post.where(:author_id => 1).to_a, author_posts.to_a all_posts = relation.only(:limit) - assert_equal Post.limit(1).all.first, all_posts.first + assert_equal Post.limit(1).to_a.first, all_posts.first end def test_anonymous_extension @@ -1056,24 +1083,24 @@ class RelationTest < ActiveRecord::TestCase end def test_order_by_relation_attribute - assert_equal Post.order(Post.arel_table[:title]).all, Post.order("title").all + assert_equal Post.order(Post.arel_table[:title]).to_a, Post.order("title").to_a end def test_default_scope_order_with_scope_order - assert_equal 'zyke', CoolCar.order_using_new_style.limit(1).first.name - assert_equal 'zyke', FastCar.order_using_new_style.limit(1).first.name + assert_equal 'honda', CoolCar.order_using_new_style.limit(1).first.name + assert_equal 'honda', FastCar.order_using_new_style.limit(1).first.name end def test_order_using_scoping car1 = CoolCar.order('id DESC').scoping do - CoolCar.scoped(:order => 'id asc').first + CoolCar.all.merge!(:order => 'id asc').first end - assert_equal 'zyke', car1.name + assert_equal 'honda', car1.name car2 = FastCar.order('id DESC').scoping do - FastCar.scoped(:order => 'id asc').first + FastCar.all.merge!(:order => 'id asc').first end - assert_equal 'zyke', car2.name + assert_equal 'honda', car2.name end def test_unscoped_block_style @@ -1090,7 +1117,7 @@ class RelationTest < ActiveRecord::TestCase end def test_primary_key - assert_equal "id", Post.scoped.primary_key + assert_equal "id", Post.all.primary_key end def test_eager_loading_with_conditions_on_joins @@ -1114,6 +1141,10 @@ class RelationTest < ActiveRecord::TestCase assert_equal authors(:david), Author.order('id DESC , name DESC').last end + def test_update_all_with_blank_argument + assert_raises(ArgumentError) { Comment.update_all({}) } + end + def test_update_all_with_joins comments = Comment.joins(:post).where('posts.id' => posts(:welcome).id) count = comments.count @@ -1214,7 +1245,7 @@ class RelationTest < ActiveRecord::TestCase end def test_presence - topics = Topic.scoped + topics = Topic.all # the first query is triggered because there are no topics yet. assert_queries(1) { assert topics.present? } @@ -1248,7 +1279,7 @@ class RelationTest < ActiveRecord::TestCase end test "find_by returns nil if the record is missing" do - assert_equal nil, Post.scoped.find_by("1 = 0") + assert_equal nil, Post.all.find_by("1 = 0") end test "find_by doesn't have implicit ordering" do @@ -1273,7 +1304,73 @@ class RelationTest < ActiveRecord::TestCase test "find_by! raises RecordNotFound if the record is missing" do assert_raises(ActiveRecord::RecordNotFound) do - Post.scoped.find_by!("1 = 0") + Post.all.find_by!("1 = 0") + end + end + + test "loaded relations cannot be mutated by multi value methods" do + relation = Post.all + relation.to_a + + assert_raises(ActiveRecord::ImmutableRelation) do + relation.where! 'foo' + end + end + + test "loaded relations cannot be mutated by single value methods" do + relation = Post.all + relation.to_a + + assert_raises(ActiveRecord::ImmutableRelation) do + relation.limit! 5 + end + end + + test "loaded relations cannot be mutated by merge!" do + relation = Post.all + relation.to_a + + assert_raises(ActiveRecord::ImmutableRelation) do + relation.merge! where: 'foo' + end + end + + test "relations show the records in #inspect" do + relation = Post.limit(2) + assert_equal "#<ActiveRecord::Relation [#{Post.limit(2).map(&:inspect).join(', ')}]>", relation.inspect + end + + test "relations limit the records in #inspect at 10" do + relation = Post.limit(11) + assert_equal "#<ActiveRecord::Relation [#{Post.limit(10).map(&:inspect).join(', ')}, ...]>", relation.inspect + end + + test "already-loaded relations don't perform a new query in #inspect" do + relation = Post.limit(2) + relation.to_a + + expected = "#<ActiveRecord::Relation [#{Post.limit(2).map(&:inspect).join(', ')}]>" + + assert_no_queries do + assert_equal expected, relation.inspect + end + end + + test 'using a custom table affects the wheres' do + table_alias = Post.arel_table.alias('omg_posts') + + relation = ActiveRecord::Relation.new Post, table_alias + relation.where!(:foo => "bar") + + node = relation.arel.constraints.first.grep(Arel::Attributes::Attribute).first + assert_equal table_alias, node.relation + end + + test '#load' do + relation = Post.all + assert_queries(1) do + assert_equal relation, relation.load end + assert_no_queries { relation.to_a } end end |