diff options
Diffstat (limited to 'activerecord/test/cases/relations_test.rb')
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 137 |
1 files changed, 59 insertions, 78 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index 25eb7c1672..4a56ae0d23 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -133,6 +133,13 @@ class RelationTest < ActiveRecord::TestCase assert topics.loaded? end + def test_finiding_with_subquery + relation = Topic.where(:approved => true) + assert_equal relation.to_a, Topic.select('*').from(relation).to_a + assert_equal relation.to_a, Topic.select('subquery.*').from(relation).to_a + assert_equal relation.to_a, Topic.select('a.*').from(relation, :a).to_a + end + def test_finding_with_conditions assert_equal ["David"], Author.where(:name => 'David').map(&:name) assert_equal ['Mary'], Author.where(["name = ?", 'Mary']).map(&:name) @@ -219,6 +226,7 @@ class RelationTest < ActiveRecord::TestCase assert_no_queries do assert_equal [], Developer.none assert_equal [], Developer.scoped.none + assert Developer.none.is_a?(ActiveRecord::NullRelation) end end @@ -228,6 +236,38 @@ class RelationTest < ActiveRecord::TestCase end end + def test_none_chained_to_methods_firing_queries_straight_to_db + assert_no_queries do + assert_equal [], Developer.none.pluck(:id) # => uses select_all + assert_equal 0, Developer.none.delete_all + assert_equal 0, Developer.none.update_all(:name => 'David') + assert_equal 0, Developer.none.delete(1) + assert_equal false, Developer.none.exists?(1) + end + end + + def test_null_relation_content_size_methods + assert_no_queries do + assert_equal 0, Developer.none.size + assert_equal 0, Developer.none.count + assert_equal true, Developer.none.empty? + assert_equal false, Developer.none.any? + assert_equal false, Developer.none.many? + end + end + + def test_null_relation_calculations_methods + assert_no_queries do + assert_equal 0, Developer.none.count + assert_equal nil, Developer.none.calculate(:average, 'salary') + end + end + + def test_null_relation_metadata_methods + assert_equal "", Developer.none.to_sql + assert_equal({}, Developer.none.where_values_hash) + end + def test_joins_with_nil_argument assert_nothing_raised { DependentFirm.joins(nil).first } end @@ -249,7 +289,7 @@ class RelationTest < ActiveRecord::TestCase end def test_find_on_hash_conditions - assert_equal Topic.find(:all, :conditions => {:approved => false}), Topic.where({ :approved => false }).to_a + assert_equal Topic.scoped(:where => {:approved => false}).all, Topic.where({ :approved => false }).to_a end def test_joins_with_string_array @@ -297,7 +337,6 @@ class RelationTest < ActiveRecord::TestCase end def test_respond_to_class_methods_and_scopes - assert DeveloperOrderedBySalary.scoped.respond_to?(:all_ordered_by_name) assert Topic.scoped.respond_to?(:by_lifo) end @@ -369,18 +408,18 @@ class RelationTest < ActiveRecord::TestCase end def test_default_scope_with_conditions_string - assert_equal Developer.find_all_by_name('David').map(&:id).sort, DeveloperCalledDavid.scoped.map(&:id).sort + assert_equal Developer.where(name: 'David').map(&:id).sort, DeveloperCalledDavid.scoped.map(&:id).sort assert_nil DeveloperCalledDavid.create!.name end def test_default_scope_with_conditions_hash - assert_equal Developer.find_all_by_name('Jamis').map(&:id).sort, DeveloperCalledJamis.scoped.map(&:id).sort + assert_equal Developer.where(name: 'Jamis').map(&:id).sort, DeveloperCalledJamis.scoped.map(&:id).sort assert_equal 'Jamis', DeveloperCalledJamis.create!.name end def test_default_scoping_finder_methods developers = DeveloperCalledDavid.order('id').map(&:id).sort - assert_equal Developer.find_all_by_name('David').map(&:id).sort, developers + assert_equal Developer.where(name: 'David').map(&:id).sort, developers end def test_loading_with_one_association @@ -404,15 +443,6 @@ class RelationTest < ActiveRecord::TestCase assert_equal Post.find(1).last_comment, post.last_comment end - def test_dynamic_find_by_attributes_should_yield_found_object - david = authors(:david) - yielded_value = nil - Author.find_by_name(david.name) do |author| - yielded_value = author - end - assert_equal david, yielded_value - end - def test_dynamic_find_by_attributes david = authors(:david) author = Author.preload(:taggings).find_by_id(david.id) @@ -434,46 +464,6 @@ class RelationTest < ActiveRecord::TestCase assert_raises(ActiveRecord::RecordNotFound) { Author.scoped.find_by_id_and_name!(20, 'invalid') } end - def test_dynamic_find_all_by_attributes - authors = Author.scoped - - davids = authors.find_all_by_name('David') - assert_kind_of Array, davids - assert_equal [authors(:david)], davids - end - - def test_dynamic_find_or_initialize_by_attributes - authors = Author.scoped - - lifo = authors.find_or_initialize_by_name('Lifo') - assert_equal "Lifo", lifo.name - assert !lifo.persisted? - - assert_equal authors(:david), authors.find_or_initialize_by_name(:name => 'David') - end - - def test_dynamic_find_or_create_by_attributes - authors = Author.scoped - - lifo = authors.find_or_create_by_name('Lifo') - assert_equal "Lifo", lifo.name - assert lifo.persisted? - - assert_equal authors(:david), authors.find_or_create_by_name(:name => 'David') - end - - def test_dynamic_find_or_create_by_attributes_bang - authors = Author.scoped - - assert_raises(ActiveRecord::RecordInvalid) { authors.find_or_create_by_name!('') } - - lifo = authors.find_or_create_by_name!('Lifo') - assert_equal "Lifo", lifo.name - assert lifo.persisted? - - assert_equal authors(:david), authors.find_or_create_by_name!(:name => 'David') - end - def test_find_id authors = Author.scoped @@ -612,6 +602,7 @@ class RelationTest < ActiveRecord::TestCase assert ! davids.exists?(authors(:mary).id) assert ! davids.exists?("42") assert ! davids.exists?(42) + assert ! davids.exists?(davids.new) fake = Author.where(:name => 'fake author') assert ! fake.exists? @@ -656,6 +647,10 @@ class RelationTest < ActiveRecord::TestCase assert davids.loaded? end + def test_delete_all_limit_error + assert_raises(ActiveRecord::ActiveRecordError) { Author.limit(10).delete_all } + end + def test_select_argument_error assert_raises(ArgumentError) { Developer.select } end @@ -1027,10 +1022,6 @@ class RelationTest < ActiveRecord::TestCase assert_equal Post.all, all_posts.all end - def test_extensions_with_except - assert_equal 2, Topic.named_extension.order(:author_name).except(:order).two - end - def test_only relation = Post.where(:author_id => 1).order('id ASC').limit(1) assert_equal [posts(:welcome)], relation.all @@ -1042,10 +1033,6 @@ class RelationTest < ActiveRecord::TestCase assert_equal Post.limit(1).all.first, all_posts.first end - def test_extensions_with_only - assert_equal 2, Topic.named_extension.order(:author_name).only(:order).two - end - def test_anonymous_extension relation = Post.where(:author_id => 1).order('id ASC').extending do def author @@ -1067,36 +1054,26 @@ class RelationTest < ActiveRecord::TestCase assert_equal Post.order(Post.arel_table[:title]).all, Post.order("title").all end - def test_order_with_find_with_order - assert_equal 'zyke', CoolCar.order('name desc').find(:first, :order => 'id').name - assert_equal 'zyke', FastCar.order('name desc').find(:first, :order => 'id').name - end - def test_default_scope_order_with_scope_order assert_equal 'zyke', CoolCar.order_using_new_style.limit(1).first.name - assert_equal 'zyke', CoolCar.order_using_old_style.limit(1).first.name assert_equal 'zyke', FastCar.order_using_new_style.limit(1).first.name - assert_equal 'zyke', FastCar.order_using_old_style.limit(1).first.name end def test_order_using_scoping car1 = CoolCar.order('id DESC').scoping do - CoolCar.find(:first, :order => 'id asc') + CoolCar.scoped(:order => 'id asc').first end assert_equal 'zyke', car1.name car2 = FastCar.order('id DESC').scoping do - FastCar.find(:first, :order => 'id asc') + FastCar.scoped(:order => 'id asc').first end assert_equal 'zyke', car2.name end def test_unscoped_block_style assert_equal 'honda', CoolCar.unscoped { CoolCar.order_using_new_style.limit(1).first.name} - assert_equal 'honda', CoolCar.unscoped { CoolCar.order_using_old_style.limit(1).first.name} - assert_equal 'honda', FastCar.unscoped { FastCar.order_using_new_style.limit(1).first.name} - assert_equal 'honda', FastCar.unscoped { FastCar.order_using_old_style.limit(1).first.name} end def test_intersection_with_array @@ -1107,10 +1084,6 @@ class RelationTest < ActiveRecord::TestCase assert_equal [rails_author], relation & [rails_author] end - def test_removing_limit_with_options - assert_not_equal 1, Post.limit(1).all(:limit => nil).count - end - def test_primary_key assert_equal "id", Post.scoped.primary_key end @@ -1273,6 +1246,10 @@ class RelationTest < ActiveRecord::TestCase assert_equal nil, Post.scoped.find_by("1 = 0") end + test "find_by doesn't have implicit ordering" do + assert_sql(/^((?!ORDER).)*$/) { Post.find_by(author_id: 2) } + end + test "find_by! with hash conditions returns the first matching record" do assert_equal posts(:eager_other), Post.order(:id).find_by!(author_id: 2) end @@ -1285,6 +1262,10 @@ class RelationTest < ActiveRecord::TestCase assert_equal posts(:eager_other), Post.order(:id).find_by!('author_id = ?', 2) end + test "find_by! doesn't have implicit ordering" do + assert_sql(/^((?!ORDER).)*$/) { Post.find_by!(author_id: 2) } + end + test "find_by! raises RecordNotFound if the record is missing" do assert_raises(ActiveRecord::RecordNotFound) do Post.scoped.find_by!("1 = 0") |