diff options
Diffstat (limited to 'activerecord/test/cases/relation_test.rb')
| -rw-r--r-- | activerecord/test/cases/relation_test.rb | 102 |
1 files changed, 67 insertions, 35 deletions
diff --git a/activerecord/test/cases/relation_test.rb b/activerecord/test/cases/relation_test.rb index b424ca91de..fbeb617b29 100644 --- a/activerecord/test/cases/relation_test.rb +++ b/activerecord/test/cases/relation_test.rb @@ -5,36 +5,36 @@ require "models/post" require "models/comment" require "models/author" require "models/rating" +require "models/categorization" module ActiveRecord class RelationTest < ActiveRecord::TestCase - fixtures :posts, :comments, :authors, :author_addresses, :ratings + fixtures :posts, :comments, :authors, :author_addresses, :ratings, :categorizations def test_construction - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass, table: :b) assert_equal FakeKlass, relation.klass assert_equal :b, relation.table - assert !relation.loaded, "relation is not loaded" + assert_not relation.loaded, "relation is not loaded" end def test_responds_to_model_and_returns_klass - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) assert_equal FakeKlass, relation.model end def test_initialize_single_values - relation = Relation.new(FakeKlass, :b, nil) - (Relation::SINGLE_VALUE_METHODS - [:create_with, :readonly]).each do |method| + relation = Relation.new(FakeKlass) + (Relation::SINGLE_VALUE_METHODS - [:create_with]).each do |method| assert_nil relation.send("#{method}_value"), method.to_s end - assert_equal false, relation.readonly_value value = relation.create_with_value assert_equal({}, value) assert_predicate value, :frozen? end def test_multi_value_initialize - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) Relation::MULTI_VALUE_METHODS.each do |method| values = relation.send("#{method}_values") assert_equal [], values, method.to_s @@ -43,29 +43,29 @@ module ActiveRecord end def test_extensions - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) assert_equal [], relation.extensions end def test_empty_where_values_hash - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) assert_equal({}, relation.where_values_hash) end def test_has_values - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder) + relation = Relation.new(Post) relation.where!(id: 10) assert_equal({ "id" => 10 }, relation.where_values_hash) end def test_values_wrong_table - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder) + relation = Relation.new(Post) relation.where! Comment.arel_table[:id].eq(10) assert_equal({}, relation.where_values_hash) end def test_tree_is_not_traversed - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder) + relation = Relation.new(Post) left = relation.table[:id].eq(10) right = relation.table[:id].eq(10) combine = left.or(right) @@ -74,18 +74,18 @@ module ActiveRecord end def test_scope_for_create - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) assert_equal({}, relation.scope_for_create) end def test_create_with_value - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder) + relation = Relation.new(Post) relation.create_with_value = { hello: "world" } assert_equal({ "hello" => "world" }, relation.scope_for_create) end def test_create_with_value_with_wheres - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder) + relation = Relation.new(Post) assert_equal({}, relation.scope_for_create) relation.where!(id: 10) @@ -96,11 +96,11 @@ module ActiveRecord end def test_empty_scope - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder) - assert relation.empty_scope? + relation = Relation.new(Post) + assert_predicate relation, :empty_scope? relation.merge!(relation) - assert relation.empty_scope? + assert_predicate relation, :empty_scope? end def test_bad_constants_raise_errors @@ -110,31 +110,31 @@ module ActiveRecord end def test_empty_eager_loading? - relation = Relation.new(FakeKlass, :b, nil) - assert !relation.eager_loading? + relation = Relation.new(FakeKlass) + assert_not_predicate relation, :eager_loading? end def test_eager_load_values - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) relation.eager_load! :b - assert relation.eager_loading? + assert_predicate relation, :eager_loading? end def test_references_values - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) assert_equal [], relation.references_values relation = relation.references(:foo).references(:omg, :lol) assert_equal ["foo", "omg", "lol"], relation.references_values end def test_references_values_dont_duplicate - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) relation = relation.references(:foo).references(:foo) assert_equal ["foo"], relation.references_values end test "merging a hash into a relation" do - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder) + relation = Relation.new(Post) relation = relation.merge where: { name: :lol }, readonly: true assert_equal({ "name" => :lol }, relation.where_clause.to_h) @@ -142,7 +142,7 @@ module ActiveRecord end test "merging an empty hash into a relation" do - assert_equal Relation::WhereClause.empty, Relation.new(FakeKlass, :b, nil).merge({}).where_clause + assert_equal Relation::WhereClause.empty, Relation.new(FakeKlass).merge({}).where_clause end test "merging a hash with unknown keys raises" do @@ -150,7 +150,7 @@ module ActiveRecord end test "merging nil or false raises" do - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) e = assert_raises(ArgumentError) do relation = relation.merge nil @@ -166,7 +166,7 @@ module ActiveRecord end test "#values returns a dup of the values" do - relation = Relation.new(Post, Post.arel_table, Post.predicate_builder).where!(name: :foo) + relation = Relation.new(Post).where!(name: :foo) values = relation.values values[:where] = nil @@ -174,7 +174,7 @@ module ActiveRecord end test "relations can be created with a values hash" do - relation = Relation.new(FakeKlass, :b, nil, select: [:foo]) + relation = Relation.new(FakeKlass, values: { select: [:foo] }) assert_equal [:foo], relation.select_values end @@ -186,13 +186,13 @@ module ActiveRecord end end - relation = Relation.new(klass, :b, nil) + relation = Relation.new(klass) relation.merge!(where: ["foo = ?", "bar"]) assert_equal Relation::WhereClause.new(["foo = bar"]), relation.where_clause end def test_merging_readonly_false - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) readonly_false_relation = relation.readonly(false) # test merging in both directions assert_equal false, relation.merge(readonly_false_relation).readonly_value @@ -224,6 +224,30 @@ module ActiveRecord assert_equal manual_comments_on_post_that_have_author.size, merged_authors_with_commented_posts_relation.to_a.size end + def test_relation_merging_with_merged_symbol_joins_is_aliased + categorizations_with_authors = Categorization.joins(:author) + queries = capture_sql { Post.joins(:author, :categorizations).merge(Author.select(:id)).merge(categorizations_with_authors).to_a } + + nb_inner_join = queries.sum { |sql| sql.scan(/INNER\s+JOIN/i).size } + assert_equal 3, nb_inner_join, "Wrong amount of INNER JOIN in query" + + # using `\W` as the column separator + assert queries.any? { |sql| %r[INNER\s+JOIN\s+#{Author.quoted_table_name}\s+\Wauthors_categorizations\W]i.match?(sql) }, "Should be aliasing the child INNER JOINs in query" + end + + def test_relation_with_merged_joins_aliased_works + categorizations_with_authors = Categorization.joins(:author) + posts_with_joins_and_merges = Post.joins(:author, :categorizations) + .merge(Author.select(:id)).merge(categorizations_with_authors) + + author_with_posts = Author.joins(:posts).ids + categorizations_with_author = Categorization.joins(:author).ids + posts_with_author_and_categorizations = Post.joins(:categorizations).where(author_id: author_with_posts, categorizations: { id: categorizations_with_author }).ids + + assert_equal posts_with_author_and_categorizations.size, posts_with_joins_and_merges.count + assert_equal posts_with_author_and_categorizations.size, posts_with_joins_and_merges.to_a.size + end + def test_relation_merging_with_joins_as_join_dependency_pick_proper_parent post = Post.create!(title: "haha", body: "huhu") comment = post.comments.create!(body: "hu") @@ -236,17 +260,17 @@ module ActiveRecord def test_merge_raises_with_invalid_argument assert_raises ArgumentError do - relation = Relation.new(FakeKlass, :b, nil) + relation = Relation.new(FakeKlass) relation.merge(true) end end def test_respond_to_for_non_selected_element post = Post.select(:title).first - assert_equal false, post.respond_to?(:body), "post should not respond_to?(:body) since invoking it raises exception" + assert_not_respond_to post, :body, "post should not respond_to?(:body) since invoking it raises exception" silence_warnings { post = Post.select("'title' as post_title").first } - assert_equal false, post.respond_to?(:title), "post should not respond_to?(:body) since invoking it raises exception" + assert_not_respond_to post, :title, "post should not respond_to?(:body) since invoking it raises exception" end def test_select_quotes_when_using_from_clause @@ -316,6 +340,14 @@ module ActiveRecord assert_equal "type cast from database", UpdateAllTestModel.first.body end + def test_skip_preloading_after_arel_has_been_generated + assert_nothing_raised do + relation = Comment.all + relation.arel + relation.skip_preloading! + end + end + private def skip_if_sqlite3_version_includes_quoting_bug |