diff options
Diffstat (limited to 'activerecord/test/cases/relations_test.rb')
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 250 |
1 files changed, 209 insertions, 41 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index 88df997a2f..7521f0573a 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -7,6 +7,7 @@ require 'models/comment' require 'models/author' require 'models/entrant' require 'models/developer' +require 'models/computer' require 'models/reply' require 'models/company' require 'models/bird' @@ -15,12 +16,18 @@ require 'models/engine' require 'models/tyre' require 'models/minivan' require 'models/aircraft' - +require "models/possession" +require "models/reader" class RelationTest < ActiveRecord::TestCase fixtures :authors, :topics, :entrants, :developers, :companies, :developers_projects, :accounts, :categories, :categorizations, :posts, :comments, :tags, :taggings, :cars, :minivans + class TopicWithCallbacks < ActiveRecord::Base + self.table_name = :topics + before_update { |topic| topic.author_name = 'David' if topic.author_name.blank? } + end + def test_do_not_double_quote_string_id van = Minivan.last assert van @@ -33,15 +40,6 @@ class RelationTest < ActiveRecord::TestCase assert_equal van, Minivan.where(:minivan_id => [van]).to_a.first end - def test_bind_values - relation = Post.all - assert_equal [], relation.bind_values - - relation2 = relation.bind 'foo' - assert_equal %w{ foo }, relation2.bind_values - assert_equal [], relation.bind_values - end - def test_two_scopes_with_includes_should_not_drop_any_include # heat habtm cache car = Car.incl_engines.incl_tyres.first @@ -159,6 +157,17 @@ class RelationTest < ActiveRecord::TestCase end end + def test_select_with_subquery_in_from_does_not_use_original_table_name + relation = Comment.group(:type).select('COUNT(post_id) AS post_count, type') + subquery = Comment.from(relation).select('type','post_count') + assert_equal(relation.map(&:post_count).sort,subquery.map(&:post_count).sort) + end + + def test_group_with_subquery_in_from_does_not_use_original_table_name + relation = Comment.group(:type).select('COUNT(post_id) AS post_count,type') + subquery = Comment.from(relation).group('type').average("post_count") + assert_equal(relation.map(&:post_count).sort,subquery.values.sort) + end def test_finding_with_conditions assert_equal ["David"], Author.where(:name => 'David').map(&:name) @@ -248,7 +257,7 @@ class RelationTest < ActiveRecord::TestCase def test_finding_with_reorder topics = Topic.order('author_name').order('title').reorder('id').to_a - topics_titles = topics.map{ |t| t.title } + topics_titles = topics.map(&:title) assert_equal ['The First Topic', 'The Second Topic of the day', 'The Third Topic of the day', 'The Fourth Topic of the day', 'The Fifth Topic of the day'], topics_titles end @@ -311,26 +320,26 @@ class RelationTest < ActiveRecord::TestCase end def test_none - assert_no_queries do + assert_no_queries(ignore_none: false) do assert_equal [], Developer.none assert_equal [], Developer.all.none end end def test_none_chainable - assert_no_queries do + assert_no_queries(ignore_none: false) do assert_equal [], Developer.none.where(:name => 'David') end end def test_none_chainable_to_existing_scope_extension_method - assert_no_queries do + assert_no_queries(ignore_none: false) do assert_equal 1, Topic.anonymous_extension.none.one end end def test_none_chained_to_methods_firing_queries_straight_to_db - assert_no_queries do + assert_no_queries(ignore_none: false) do assert_equal [], Developer.none.pluck(:id, :name) assert_equal 0, Developer.none.delete_all assert_equal 0, Developer.none.update_all(:name => 'David') @@ -340,19 +349,21 @@ class RelationTest < ActiveRecord::TestCase end def test_null_relation_content_size_methods - assert_no_queries do + assert_no_queries(ignore_none: false) do assert_equal 0, Developer.none.size assert_equal 0, Developer.none.count assert_equal true, Developer.none.empty? + assert_equal true, Developer.none.none? assert_equal false, Developer.none.any? + assert_equal false, Developer.none.one? assert_equal false, Developer.none.many? end end def test_null_relation_calculations_methods - assert_no_queries do + assert_no_queries(ignore_none: false) do assert_equal 0, Developer.none.count - assert_equal 0, Developer.none.calculate(:count, nil, {}) + assert_equal 0, Developer.none.calculate(:count, nil) assert_equal nil, Developer.none.calculate(:average, 'salary') end end @@ -420,6 +431,11 @@ class RelationTest < ActiveRecord::TestCase assert_equal nil, ac.engines.maximum(:id) end + def test_null_relation_in_where_condition + assert_operator Comment.count, :>, 0 # precondition, make sure there are comments. + assert_equal 0, Comment.where(post_id: Post.none).to_a.size + end + def test_joins_with_nil_argument assert_nothing_raised { DependentFirm.joins(nil).first } end @@ -435,7 +451,7 @@ class RelationTest < ActiveRecord::TestCase where('project_id=1').to_a assert_equal 3, developers_on_project_one.length - developer_names = developers_on_project_one.map { |d| d.name } + developer_names = developers_on_project_one.map(&:name) assert developer_names.include?('David') assert developer_names.include?('Jamis') end @@ -605,6 +621,51 @@ class RelationTest < ActiveRecord::TestCase assert_equal 1, query.to_a.size end + def test_preloading_with_associations_and_merges + post = Post.create! title: 'Uhuu', body: 'body' + reader = Reader.create! post_id: post.id, person_id: 1 + comment = Comment.create! post_id: post.id, body: 'body' + + assert !comment.respond_to?(:readers) + + post_rel = Post.preload(:readers).joins(:readers).where(title: 'Uhuu') + result_comment = Comment.joins(:post).merge(post_rel).to_a.first + assert_equal comment, result_comment + + assert_no_queries do + assert_equal post, result_comment.post + assert_equal [reader], result_comment.post.readers.to_a + end + + post_rel = Post.includes(:readers).where(title: 'Uhuu') + result_comment = Comment.joins(:post).merge(post_rel).first + assert_equal comment, result_comment + + assert_no_queries do + assert_equal post, result_comment.post + assert_equal [reader], result_comment.post.readers.to_a + end + end + + def test_preloading_with_associations_default_scopes_and_merges + post = Post.create! title: 'Uhuu', body: 'body' + reader = Reader.create! post_id: post.id, person_id: 1 + + post_rel = PostWithPreloadDefaultScope.preload(:readers).joins(:readers).where(title: 'Uhuu') + result_post = PostWithPreloadDefaultScope.all.merge(post_rel).to_a.first + + assert_no_queries do + assert_equal [reader], result_post.readers.to_a + end + + post_rel = PostWithIncludesDefaultScope.includes(:readers).where(title: 'Uhuu') + result_post = PostWithIncludesDefaultScope.all.merge(post_rel).to_a.first + + assert_no_queries do + assert_equal [reader], result_post.readers.to_a + end + end + def test_loading_with_one_association posts = Post.preload(:comments) post = posts.find { |p| p.id == 1 } @@ -646,8 +707,8 @@ class RelationTest < ActiveRecord::TestCase expected_taggings = taggings(:welcome_general, :thinking_general) assert_no_queries do - assert_equal expected_taggings, author.taggings.distinct.sort_by { |t| t.id } - assert_equal expected_taggings, author.taggings.uniq.sort_by { |t| t.id } + assert_equal expected_taggings, author.taggings.distinct.sort_by(&:id) + assert_equal expected_taggings, author.taggings.uniq.sort_by(&:id) end authors = Author.all @@ -706,7 +767,9 @@ class RelationTest < ActiveRecord::TestCase def test_find_by_classname Author.create!(:name => Mary.name) - assert_equal 1, Author.where(:name => Mary).size + assert_deprecated do + assert_equal 1, Author.where(:name => Mary).size + end end def test_find_by_id_with_list_of_ar @@ -844,6 +907,12 @@ class RelationTest < ActiveRecord::TestCase assert ! fake.exists?(authors(:david).id) end + def test_exists_uses_existing_scope + post = authors(:david).posts.first + authors = Author.includes(:posts).where(name: "David", posts: { id: post.id }) + assert authors.exists?(authors(:david).id) + end + def test_last authors = Author.all assert_equal authors(:bob), authors.last @@ -862,6 +931,12 @@ class RelationTest < ActiveRecord::TestCase assert davids.loaded? end + def test_destroy_all_with_conditions_is_deprecated + assert_deprecated do + assert_difference('Author.count', -1) { Author.destroy_all(name: 'David') } + end + end + def test_delete_all davids = Author.where(:name => 'David') @@ -869,6 +944,12 @@ class RelationTest < ActiveRecord::TestCase assert ! davids.loaded? end + def test_delete_all_with_conditions_is_deprecated + assert_deprecated do + assert_difference('Author.count', -1) { Author.delete_all(name: 'David') } + end + end + def test_delete_all_loaded davids = Author.where(:name => 'David') @@ -884,7 +965,7 @@ class RelationTest < ActiveRecord::TestCase def test_delete_all_with_unpermitted_relation_raises_error assert_raises(ActiveRecord::ActiveRecordError) { Author.limit(10).delete_all } - assert_raises(ActiveRecord::ActiveRecordError) { Author.uniq.delete_all } + assert_raises(ActiveRecord::ActiveRecordError) { Author.distinct.delete_all } assert_raises(ActiveRecord::ActiveRecordError) { Author.group(:name).delete_all } assert_raises(ActiveRecord::ActiveRecordError) { Author.having('SUM(id) < 3').delete_all } assert_raises(ActiveRecord::ActiveRecordError) { Author.offset(10).delete_all } @@ -1091,6 +1172,38 @@ class RelationTest < ActiveRecord::TestCase assert ! posts.limit(1).many? end + def test_none? + posts = Post.all + assert_queries(1) do + assert ! posts.none? # Uses COUNT() + end + + assert ! posts.loaded? + + assert_queries(1) do + assert posts.none? {|p| p.id < 0 } + assert ! posts.none? {|p| p.id == 1 } + end + + assert posts.loaded? + end + + def test_one + posts = Post.all + assert_queries(1) do + assert ! posts.one? # Uses COUNT() + end + + assert ! posts.loaded? + + assert_queries(1) do + assert ! posts.one? {|p| p.id < 3 } + assert posts.one? {|p| p.id == 1 } + end + + assert posts.loaded? + end + def test_build posts = Post.all @@ -1369,12 +1482,6 @@ class RelationTest < ActiveRecord::TestCase assert_equal "id", Post.all.primary_key end - def test_disable_implicit_join_references_is_deprecated - assert_deprecated do - ActiveRecord::Base.disable_implicit_join_references = true - end - end - def test_ordering_with_extra_spaces assert_equal authors(:david), Author.order('id DESC , name DESC').last end @@ -1421,6 +1528,26 @@ class RelationTest < ActiveRecord::TestCase assert_equal posts(:welcome), comments(:greetings).post end + def test_update_on_relation + topic1 = TopicWithCallbacks.create! title: 'arel', author_name: nil + topic2 = TopicWithCallbacks.create! title: 'activerecord', author_name: nil + topics = TopicWithCallbacks.where(id: [topic1.id, topic2.id]) + topics.update(title: 'adequaterecord') + + assert_equal 'adequaterecord', topic1.reload.title + assert_equal 'adequaterecord', topic2.reload.title + # Testing that the before_update callbacks have run + assert_equal 'David', topic1.reload.author_name + assert_equal 'David', topic2.reload.author_name + end + + def test_update_on_relation_passing_active_record_object_is_deprecated + topic = Topic.create!(title: 'Foo', author_name: nil) + assert_deprecated(/update/) do + Topic.where(id: topic.id).update(topic, title: 'Bar') + end + end + def test_distinct tag1 = Tag.create(:name => 'Foo') tag2 = Tag.create(:name => 'Foo') @@ -1430,22 +1557,46 @@ class RelationTest < ActiveRecord::TestCase assert_equal ['Foo', 'Foo'], query.map(&:name) assert_sql(/DISTINCT/) do assert_equal ['Foo'], query.distinct.map(&:name) - assert_equal ['Foo'], query.uniq.map(&:name) + assert_deprecated { assert_equal ['Foo'], query.uniq.map(&:name) } end assert_sql(/DISTINCT/) do assert_equal ['Foo'], query.distinct(true).map(&:name) - assert_equal ['Foo'], query.uniq(true).map(&:name) + assert_deprecated { assert_equal ['Foo'], query.uniq(true).map(&:name) } end assert_equal ['Foo', 'Foo'], query.distinct(true).distinct(false).map(&:name) - assert_equal ['Foo', 'Foo'], query.uniq(true).uniq(false).map(&:name) + + assert_deprecated do + assert_equal ['Foo', 'Foo'], query.uniq(true).uniq(false).map(&:name) + end end def test_doesnt_add_having_values_if_options_are_blank scope = Post.having('') - assert_equal [], scope.having_values + assert scope.having_clause.empty? scope = Post.having([]) - assert_equal [], scope.having_values + assert scope.having_clause.empty? + end + + def test_having_with_binds_for_both_where_and_having + post = Post.first + having_then_where = Post.having(id: post.id).where(title: post.title).group(:id) + where_then_having = Post.where(title: post.title).having(id: post.id).group(:id) + + assert_equal [post], having_then_where + assert_equal [post], where_then_having + end + + def test_multiple_where_and_having_clauses + post = Post.first + having_then_where = Post.having(id: post.id).where(title: post.title) + .having(id: post.id).where(title: post.title).group(:id) + + assert_equal [post], having_then_where + end + + def test_grouping_by_column_with_reserved_name + assert_equal [], Possession.select(:where).group(:where).to_a end def test_references_triggers_eager_loading @@ -1570,7 +1721,11 @@ class RelationTest < ActiveRecord::TestCase end test "find_by doesn't have implicit ordering" do - assert_sql(/^((?!ORDER).)*$/) { Post.find_by(author_id: 2) } + assert_sql(/^((?!ORDER).)*$/) { Post.all.find_by(author_id: 2) } + end + + test "find_by requires at least one argument" do + assert_raises(ArgumentError) { Post.all.find_by } end test "find_by! with hash conditions returns the first matching record" do @@ -1586,7 +1741,7 @@ class RelationTest < ActiveRecord::TestCase end test "find_by! doesn't have implicit ordering" do - assert_sql(/^((?!ORDER).)*$/) { Post.find_by!(author_id: 2) } + assert_sql(/^((?!ORDER).)*$/) { Post.all.find_by!(author_id: 2) } end test "find_by! raises RecordNotFound if the record is missing" do @@ -1595,6 +1750,10 @@ class RelationTest < ActiveRecord::TestCase end end + test "find_by! requires at least one argument" do + assert_raises(ArgumentError) { Post.all.find_by! } + end + test "loaded relations cannot be mutated by multi value methods" do relation = Post.all relation.to_a @@ -1631,6 +1790,14 @@ class RelationTest < ActiveRecord::TestCase end end + test "relations with cached arel can't be mutated [internal API]" do + relation = Post.all + relation.count + + assert_raises(ActiveRecord::ImmutableRelation) { relation.limit!(5) } + assert_raises(ActiveRecord::ImmutableRelation) { relation.where!("1 = 2") } + 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 @@ -1655,7 +1822,9 @@ class RelationTest < ActiveRecord::TestCase test 'using a custom table affects the wheres' do table_alias = Post.arel_table.alias('omg_posts') - relation = ActiveRecord::Relation.new Post, table_alias + table_metadata = ActiveRecord::TableMetadata.new(Post, table_alias) + predicate_builder = ActiveRecord::PredicateBuilder.new(table_metadata) + relation = ActiveRecord::Relation.new(Post, table_alias, predicate_builder) relation.where!(:foo => "bar") node = relation.arel.constraints.first.grep(Arel::Attributes::Attribute).first @@ -1697,7 +1866,7 @@ class RelationTest < ActiveRecord::TestCase end def test_unscope_removes_binds - left = Post.where(id: Arel::Nodes::BindParam.new('?')) + left = Post.where(id: Arel::Nodes::BindParam.new) column = Post.columns_hash['id'] left.bind_values += [[column, 20]] @@ -1714,14 +1883,13 @@ class RelationTest < ActiveRecord::TestCase end def test_merging_keeps_lhs_bind_parameters - column = Post.columns_hash['id'] - binds = [[column, 20]] + binds = [ActiveRecord::Relation::QueryAttribute.new("id", 20, Post.type_for_attribute("id"))] right = Post.where(id: 20) left = Post.where(id: 10) merged = left.merge(right) - assert_equal binds, merged.bind_values + assert_equal binds, merged.bound_attributes end def test_merging_reorders_bind_params |