diff options
Diffstat (limited to 'activerecord/test/cases/relations_test.rb')
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 276 |
1 files changed, 230 insertions, 46 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index afd5a69cef..ca86d58b35 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' @@ -14,6 +15,7 @@ require 'models/car' require 'models/engine' require 'models/tyre' require 'models/minivan' +require 'models/aircraft' class RelationTest < ActiveRecord::TestCase @@ -65,7 +67,7 @@ class RelationTest < ActiveRecord::TestCase def test_scoped topics = Topic.all assert_kind_of ActiveRecord::Relation, topics - assert_equal 4, topics.size + assert_equal 5, topics.size end def test_to_json @@ -86,14 +88,14 @@ class RelationTest < ActiveRecord::TestCase def test_scoped_all topics = Topic.all.to_a assert_kind_of Array, topics - assert_no_queries { assert_equal 4, topics.size } + assert_no_queries { assert_equal 5, topics.size } end def test_loaded_all topics = Topic.all assert_queries(1) do - 2.times { assert_equal 4, topics.to_a.size } + 2.times { assert_equal 5, topics.to_a.size } end assert topics.loaded? @@ -151,11 +153,14 @@ class RelationTest < ActiveRecord::TestCase assert_equal relation.to_a, Comment.select('a.*').from(relation, :a).to_a end - def test_finding_with_subquery_without_select - relation = Topic.where(:approved => true) - assert_equal relation.to_a, Topic.from(relation).to_a + def test_finding_with_subquery_without_select_does_not_change_the_select + relation = Topic.where(approved: true) + assert_raises(ActiveRecord::StatementInvalid) do + Topic.from(relation).to_a + end end + def test_finding_with_conditions assert_equal ["David"], Author.where(:name => 'David').map(&:name) assert_equal ['Mary'], Author.where(["name = ?", 'Mary']).map(&:name) @@ -164,52 +169,100 @@ class RelationTest < ActiveRecord::TestCase def test_finding_with_order topics = Topic.order('id') - assert_equal 4, topics.to_a.size + assert_equal 5, topics.to_a.size assert_equal topics(:first).title, topics.first.title end - def test_finding_with_arel_order topics = Topic.order(Topic.arel_table[:id].asc) - assert_equal 4, topics.to_a.size + assert_equal 5, topics.to_a.size assert_equal topics(:first).title, topics.first.title end def test_finding_with_assoc_order topics = Topic.order(:id => :desc) - assert_equal 4, topics.to_a.size - assert_equal topics(:fourth).title, topics.first.title + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title end def test_finding_with_reverted_assoc_order topics = Topic.order(:id => :asc).reverse_order - assert_equal 4, topics.to_a.size - assert_equal topics(:fourth).title, topics.first.title + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title end def test_order_with_hash_and_symbol_generates_the_same_sql assert_equal Topic.order(:id).to_sql, Topic.order(:id => :asc).to_sql end + def test_finding_with_desc_order_with_string + topics = Topic.order(id: "desc") + assert_equal 5, topics.to_a.size + assert_equal [topics(:fifth), topics(:fourth), topics(:third), topics(:second), topics(:first)], topics.to_a + end + + def test_finding_with_asc_order_with_string + topics = Topic.order(id: 'asc') + assert_equal 5, topics.to_a.size + assert_equal [topics(:first), topics(:second), topics(:third), topics(:fourth), topics(:fifth)], topics.to_a + end + + def test_support_upper_and_lower_case_directions + assert_includes Topic.order(id: "ASC").to_sql, "ASC" + assert_includes Topic.order(id: "asc").to_sql, "ASC" + assert_includes Topic.order(id: :ASC).to_sql, "ASC" + assert_includes Topic.order(id: :asc).to_sql, "ASC" + + assert_includes Topic.order(id: "DESC").to_sql, "DESC" + assert_includes Topic.order(id: "desc").to_sql, "DESC" + assert_includes Topic.order(id: :DESC).to_sql, "DESC" + assert_includes Topic.order(id: :desc).to_sql,"DESC" + end + def test_raising_exception_on_invalid_hash_params - assert_raise(ArgumentError) { Topic.order(:name, "id DESC", :id => :DeSc) } + e = assert_raise(ArgumentError) { Topic.order(:name, "id DESC", id: :asfsdf) } + assert_equal 'Direction "asfsdf" is invalid. Valid directions are: [:asc, :desc, :ASC, :DESC, "asc", "desc", "ASC", "DESC"]', e.message end def test_finding_last_with_arel_order topics = Topic.order(Topic.arel_table[:id].asc) - assert_equal topics(:fourth).title, topics.last.title + assert_equal topics(:fifth).title, topics.last.title end def test_finding_with_order_concatenated topics = Topic.order('author_name').order('title') - assert_equal 4, topics.to_a.size + assert_equal 5, topics.to_a.size assert_equal topics(:fourth).title, topics.first.title end + def test_finding_with_order_by_aliased_attributes + topics = Topic.order(:heading) + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title + end + + def test_finding_with_assoc_order_by_aliased_attributes + topics = Topic.order(heading: :desc) + assert_equal 5, topics.to_a.size + assert_equal topics(:third).title, topics.first.title + end + def test_finding_with_reorder 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 + 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 + + def test_finding_with_reorder_by_aliased_attributes + topics = Topic.order('author_name').reorder(:heading) + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title + end + + def test_finding_with_assoc_reorder_by_aliased_attributes + topics = Topic.order('author_name').reorder(heading: :desc) + assert_equal 5, topics.to_a.size + assert_equal topics(:third).title, topics.first.title end def test_finding_with_order_and_take @@ -259,26 +312,26 @@ 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') @@ -288,7 +341,7 @@ 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? @@ -298,7 +351,7 @@ class RelationTest < ActiveRecord::TestCase 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 nil, Developer.none.calculate(:average, 'salary') @@ -314,6 +367,65 @@ class RelationTest < ActiveRecord::TestCase assert_equal({ 'salary' => 100_000 }, Developer.none.where(salary: 100_000).where_values_hash) end + def test_null_relation_sum + ac = Aircraft.new + assert_equal Hash.new, ac.engines.group(:id).sum(:id) + assert_equal 0, ac.engines.count + ac.save + assert_equal Hash.new, ac.engines.group(:id).sum(:id) + assert_equal 0, ac.engines.count + end + + def test_null_relation_count + ac = Aircraft.new + assert_equal Hash.new, ac.engines.group(:id).count + assert_equal 0, ac.engines.count + ac.save + assert_equal Hash.new, ac.engines.group(:id).count + assert_equal 0, ac.engines.count + end + + def test_null_relation_size + ac = Aircraft.new + assert_equal Hash.new, ac.engines.group(:id).size + assert_equal 0, ac.engines.size + ac.save + assert_equal Hash.new, ac.engines.group(:id).size + assert_equal 0, ac.engines.size + end + + def test_null_relation_average + ac = Aircraft.new + assert_equal Hash.new, ac.engines.group(:car_id).average(:id) + assert_equal nil, ac.engines.average(:id) + ac.save + assert_equal Hash.new, ac.engines.group(:car_id).average(:id) + assert_equal nil, ac.engines.average(:id) + end + + def test_null_relation_minimum + ac = Aircraft.new + assert_equal Hash.new, ac.engines.group(:car_id).minimum(:id) + assert_equal nil, ac.engines.minimum(:id) + ac.save + assert_equal Hash.new, ac.engines.group(:car_id).minimum(:id) + assert_equal nil, ac.engines.minimum(:id) + end + + def test_null_relation_maximum + ac = Aircraft.new + assert_equal Hash.new, ac.engines.group(:car_id).maximum(:id) + assert_equal nil, ac.engines.maximum(:id) + ac.save + assert_equal Hash.new, ac.engines.group(:car_id).maximum(:id) + 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 @@ -522,6 +634,12 @@ class RelationTest < ActiveRecord::TestCase assert_equal expected, actual end + def test_to_sql_on_scoped_proxy + auth = Author.first + Post.where("1=1").written_by(auth) + assert_not auth.posts.to_sql.include?("1=1") + end + def test_loading_with_one_association_with_non_preload posts = Post.eager_load(:last_comment).order('comments.id DESC') post = posts.find { |p| p.id == 1 } @@ -586,7 +704,7 @@ class RelationTest < ActiveRecord::TestCase def test_find_with_list_of_ar author = Author.first - authors = Author.find([author]) + authors = Author.find([author.id]) assert_equal author, authors.first end @@ -631,6 +749,13 @@ class RelationTest < ActiveRecord::TestCase assert_equal [], relation.to_a end + def test_typecasting_where_with_array + ids = Author.pluck(:id) + slugs = ids.map { |id| "#{id}-as-a-slug" } + + assert_equal Author.all.to_a, Author.where(id: slugs).to_a + end + def test_find_all_using_where_with_relation david = authors(:david) # switching the lines below would succeed in current rails @@ -718,7 +843,7 @@ class RelationTest < ActiveRecord::TestCase assert ! davids.exists?(authors(:mary).id) assert ! davids.exists?("42") assert ! davids.exists?(42) - assert ! davids.exists?(davids.new) + assert ! davids.exists?(davids.new.id) fake = Author.where(:name => 'fake author') assert ! fake.exists? @@ -763,8 +888,22 @@ class RelationTest < ActiveRecord::TestCase assert davids.loaded? end - def test_delete_all_limit_error + 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.group(:name).delete_all } + assert_raises(ActiveRecord::ActiveRecordError) { Author.having('SUM(id) < 3').delete_all } + assert_raises(ActiveRecord::ActiveRecordError) { Author.offset(10).delete_all } + end + + def test_select_with_aggregates + posts = Post.select(:title, :body) + + assert_equal 11, posts.count(:all) + assert_equal 11, posts.size + assert posts.any? + assert posts.many? + assert_not posts.empty? end def test_select_takes_a_variable_list_of_args @@ -775,6 +914,13 @@ class RelationTest < ActiveRecord::TestCase assert_equal david.salary, developer.salary end + def test_select_takes_an_aliased_attribute + first = topics(:first) + + topic = Topic.where(id: first.id).select(:heading).first + assert_equal first.heading, topic.heading + end + def test_select_argument_error assert_raises(ArgumentError) { Developer.select } end @@ -790,6 +936,17 @@ class RelationTest < ActiveRecord::TestCase assert_equal 9, posts.where(:comments_count => 0).count end + def test_count_on_association_relation + author = Author.last + another_author = Author.first + posts = Post.where(author_id: author.id) + + assert_equal author.posts.where(author_id: author.id).size, posts.count + + assert_equal 0, author.posts.where(author_id: another_author.id).size + assert author.posts.where(author_id: another_author.id).empty? + end + def test_count_with_distinct posts = Post.all @@ -800,6 +957,14 @@ class RelationTest < ActiveRecord::TestCase assert_equal 11, posts.distinct(false).select(:comments_count).count end + def test_update_all_with_scope + tag = Tag.first + Post.tagged_with(tag.id).update_all title: "rofl" + list = Post.tagged_with(tag.id).all.to_a + assert_operator list.length, :>, 0 + list.each { |post| assert_equal 'rofl', post.title } + end + def test_count_explicit_columns Post.update_all(:comments_count => nil) posts = Post.all @@ -1308,6 +1473,14 @@ class RelationTest < ActiveRecord::TestCase assert_equal ['comments'], scope.references_values end + def test_automatically_added_where_not_references + scope = Post.where.not(comments: { body: "Bla" }) + assert_equal ['comments'], scope.references_values + + scope = Post.where.not('comments.body' => 'Bla') + assert_equal ['comments'], scope.references_values + end + def test_automatically_added_having_references scope = Post.having(:comments => { :body => "Bla" }) assert_equal ['comments'], scope.references_values @@ -1352,6 +1525,18 @@ class RelationTest < ActiveRecord::TestCase assert_equal [], scope.references_values end + def test_order_with_reorder_nil_removes_the_order + relation = Post.order(:title).reorder(nil) + + assert_nil relation.order_values.first + end + + def test_reverse_order_with_reorder_nil_removes_the_order + relation = Post.order(:title).reverse_order.reorder(nil) + + assert_nil relation.order_values.first + end + def test_presence topics = Topic.all @@ -1391,7 +1576,7 @@ 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! with hash conditions returns the first matching record" do @@ -1407,7 +1592,7 @@ 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 @@ -1505,6 +1690,12 @@ class RelationTest < ActiveRecord::TestCase end end + test "joins with select" do + posts = Post.joins(:author).select("id", "authors.author_address_id").order("posts.id").limit(3) + assert_equal [1, 2, 4], posts.map(&:id) + assert_equal [1, 1, 1], posts.map(&:author_address_id) + end + test "delegations do not leak to other classes" do Topic.all.by_lifo assert Topic.all.class.method_defined?(:by_lifo) @@ -1512,7 +1703,7 @@ 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]] @@ -1521,10 +1712,8 @@ class RelationTest < ActiveRecord::TestCase end def test_merging_removes_rhs_bind_parameters - left = Post.where(id: Arel::Nodes::BindParam.new('?')) - column = Post.columns_hash['id'] - left.bind_values += [[column, 20]] - right = Post.where(id: 10) + left = Post.where(id: 20) + right = Post.where(id: [1,2,3,4]) merged = left.merge(right) assert_equal [], merged.bind_values @@ -1534,8 +1723,7 @@ class RelationTest < ActiveRecord::TestCase column = Post.columns_hash['id'] binds = [[column, 20]] - right = Post.where(id: Arel::Nodes::BindParam.new('?')) - right.bind_values += binds + right = Post.where(id: 20) left = Post.where(id: 10) merged = left.merge(right) @@ -1543,19 +1731,15 @@ class RelationTest < ActiveRecord::TestCase end def test_merging_reorders_bind_params - post = Post.first - id_column = Post.columns_hash['id'] - title_column = Post.columns_hash['title'] - - bv = Post.connection.substitute_at id_column, 0 - - right = Post.where(id: bv) - right.bind_values += [[id_column, post.id]] - - left = Post.where(title: bv) - left.bind_values += [[title_column, post.title]] + post = Post.first + right = Post.where(id: post.id) + left = Post.where(title: post.title) merged = left.merge(right) assert_equal post, merged.first end + + def test_relation_join_method + assert_equal 'Thank you for the welcome,Thank you again for the welcome', Post.first.comments.join(",") + end end |