diff options
Diffstat (limited to 'activerecord/test/cases/scoping/default_scoping_test.rb')
-rw-r--r-- | activerecord/test/cases/scoping/default_scoping_test.rb | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/activerecord/test/cases/scoping/default_scoping_test.rb b/activerecord/test/cases/scoping/default_scoping_test.rb new file mode 100644 index 0000000000..0738df1b54 --- /dev/null +++ b/activerecord/test/cases/scoping/default_scoping_test.rb @@ -0,0 +1,444 @@ +require 'cases/helper' +require 'models/post' +require 'models/comment' +require 'models/developer' +require 'models/computer' + +class DefaultScopingTest < ActiveRecord::TestCase + fixtures :developers, :posts, :comments + + def test_default_scope + expected = Developer.all.merge!(:order => 'salary DESC').to_a.collect(&:salary) + received = DeveloperOrderedBySalary.all.collect(&:salary) + assert_equal expected, received + end + + def test_default_scope_as_class_method + assert_equal [developers(:david).becomes(ClassMethodDeveloperCalledDavid)], ClassMethodDeveloperCalledDavid.all + end + + def test_default_scope_as_class_method_referencing_scope + assert_equal [developers(:david).becomes(ClassMethodReferencingScopeDeveloperCalledDavid)], ClassMethodReferencingScopeDeveloperCalledDavid.all + end + + def test_default_scope_as_block_referencing_scope + assert_equal [developers(:david).becomes(LazyBlockReferencingScopeDeveloperCalledDavid)], LazyBlockReferencingScopeDeveloperCalledDavid.all + end + + def test_default_scope_with_lambda + assert_equal [developers(:david).becomes(LazyLambdaDeveloperCalledDavid)], LazyLambdaDeveloperCalledDavid.all + end + + def test_default_scope_with_block + assert_equal [developers(:david).becomes(LazyBlockDeveloperCalledDavid)], LazyBlockDeveloperCalledDavid.all + end + + def test_default_scope_with_callable + assert_equal [developers(:david).becomes(CallableDeveloperCalledDavid)], CallableDeveloperCalledDavid.all + end + + def test_default_scope_is_unscoped_on_find + assert_equal 1, DeveloperCalledDavid.count + assert_equal 11, DeveloperCalledDavid.unscoped.count + end + + def test_default_scope_is_unscoped_on_create + assert_nil DeveloperCalledJamis.unscoped.create!.name + end + + def test_default_scope_with_conditions_string + assert_equal Developer.where(name: 'David').map(&:id).sort, DeveloperCalledDavid.all.map(&:id).sort + assert_equal nil, DeveloperCalledDavid.create!.name + end + + def test_default_scope_with_conditions_hash + assert_equal Developer.where(name: 'Jamis').map(&:id).sort, DeveloperCalledJamis.all.map(&:id).sort + assert_equal 'Jamis', DeveloperCalledJamis.create!.name + end + + unless in_memory_db? + def test_default_scoping_with_threads + 2.times do + Thread.new { + assert DeveloperOrderedBySalary.all.to_sql.include?('salary DESC') + DeveloperOrderedBySalary.connection.close + }.join + end + end + end + + def test_default_scope_with_inheritance + wheres = InheritedPoorDeveloperCalledJamis.all.where_values_hash + assert_equal "Jamis", wheres['name'] + assert_equal 50000, wheres['salary'] + end + + def test_default_scope_with_module_includes + wheres = ModuleIncludedPoorDeveloperCalledJamis.all.where_values_hash + assert_equal "Jamis", wheres['name'] + assert_equal 50000, wheres['salary'] + end + + def test_default_scope_with_multiple_calls + wheres = MultiplePoorDeveloperCalledJamis.all.where_values_hash + assert_equal "Jamis", wheres['name'] + assert_equal 50000, wheres['salary'] + end + + def test_scope_overwrites_default + expected = Developer.all.merge!(order: 'salary DESC, name DESC').to_a.collect(&:name) + received = DeveloperOrderedBySalary.by_name.to_a.collect(&:name) + assert_equal expected, received + end + + def test_reorder_overrides_default_scope_order + expected = Developer.order('name DESC').collect(&:name) + received = DeveloperOrderedBySalary.reorder('name DESC').collect(&:name) + assert_equal expected, received + end + + def test_order_after_reorder_combines_orders + expected = Developer.order('name DESC, id DESC').collect { |dev| [dev.name, dev.id] } + received = Developer.order('name ASC').reorder('name DESC').order('id DESC').collect { |dev| [dev.name, dev.id] } + assert_equal expected, received + end + + def test_unscope_overrides_default_scope + expected = Developer.all.collect { |dev| [dev.name, dev.id] } + received = DeveloperCalledJamis.unscope(:where).collect { |dev| [dev.name, dev.id] } + assert_equal expected, received + end + + def test_unscope_after_reordering_and_combining + expected = Developer.order('id DESC, name DESC').collect { |dev| [dev.name, dev.id] } + received = DeveloperOrderedBySalary.reorder('name DESC').unscope(:order).order('id DESC, name DESC').collect { |dev| [dev.name, dev.id] } + assert_equal expected, received + + expected_2 = Developer.all.collect { |dev| [dev.name, dev.id] } + received_2 = Developer.order('id DESC, name DESC').unscope(:order).collect { |dev| [dev.name, dev.id] } + assert_equal expected_2, received_2 + + expected_3 = Developer.all.collect { |dev| [dev.name, dev.id] } + received_3 = Developer.reorder('name DESC').unscope(:order).collect { |dev| [dev.name, dev.id] } + assert_equal expected_3, received_3 + end + + def test_unscope_with_where_attributes + expected = Developer.order('salary DESC').collect(&:name) + received = DeveloperOrderedBySalary.where(name: 'David').unscope(where: :name).collect(&:name) + assert_equal expected, received + + expected_2 = Developer.order('salary DESC').collect(&:name) + received_2 = DeveloperOrderedBySalary.select("id").where("name" => "Jamis").unscope({:where => :name}, :select).collect(&:name) + assert_equal expected_2, received_2 + + expected_3 = Developer.order('salary DESC').collect(&:name) + received_3 = DeveloperOrderedBySalary.select("id").where("name" => "Jamis").unscope(:select, :where).collect(&:name) + assert_equal expected_3, received_3 + + expected_4 = Developer.order('salary DESC').collect(&:name) + received_4 = DeveloperOrderedBySalary.where.not("name" => "Jamis").unscope(where: :name).collect(&:name) + assert_equal expected_4, received_4 + + expected_5 = Developer.order('salary DESC').collect(&:name) + received_5 = DeveloperOrderedBySalary.where.not("name" => ["Jamis", "David"]).unscope(where: :name).collect(&:name) + assert_equal expected_5, received_5 + + expected_6 = Developer.order('salary DESC').collect(&:name) + received_6 = DeveloperOrderedBySalary.where(Developer.arel_table['name'].eq('David')).unscope(where: :name).collect(&:name) + assert_equal expected_6, received_6 + + expected_7 = Developer.order('salary DESC').collect(&:name) + received_7 = DeveloperOrderedBySalary.where(Developer.arel_table[:name].eq('David')).unscope(where: :name).collect(&:name) + assert_equal expected_7, received_7 + end + + def test_unscope_multiple_where_clauses + expected = Developer.order('salary DESC').collect(&:name) + received = DeveloperOrderedBySalary.where(name: 'Jamis').where(id: 1).unscope(where: [:name, :id]).collect(&:name) + assert_equal expected, received + end + + def test_unscope_string_where_clauses_involved + dev_relation = Developer.order('salary DESC').where("created_at > ?", 1.year.ago) + expected = dev_relation.collect(&:name) + + dev_ordered_relation = DeveloperOrderedBySalary.where(name: 'Jamis').where("created_at > ?", 1.year.ago) + received = dev_ordered_relation.unscope(where: [:name]).collect(&:name) + + assert_equal expected, received + end + + def test_unscope_with_grouping_attributes + expected = Developer.order('salary DESC').collect(&:name) + received = DeveloperOrderedBySalary.group(:name).unscope(:group).collect(&:name) + assert_equal expected, received + + expected_2 = Developer.order('salary DESC').collect(&:name) + received_2 = DeveloperOrderedBySalary.group("name").unscope(:group).collect(&:name) + assert_equal expected_2, received_2 + end + + def test_unscope_with_limit_in_query + expected = Developer.order('salary DESC').collect(&:name) + received = DeveloperOrderedBySalary.limit(1).unscope(:limit).collect(&:name) + assert_equal expected, received + end + + def test_order_to_unscope_reordering + scope = DeveloperOrderedBySalary.order('salary DESC, name ASC').reverse_order.unscope(:order) + assert !(scope.to_sql =~ /order/i) + end + + def test_unscope_reverse_order + expected = Developer.all.collect(&:name) + received = Developer.order('salary DESC').reverse_order.unscope(:order).collect(&:name) + assert_equal expected, received + end + + def test_unscope_select + expected = Developer.order('salary ASC').collect(&:name) + received = Developer.order('salary DESC').reverse_order.select(:name).unscope(:select).collect(&:name) + assert_equal expected, received + + expected_2 = Developer.all.collect(&:id) + received_2 = Developer.select(:name).unscope(:select).collect(&:id) + assert_equal expected_2, received_2 + end + + def test_unscope_offset + expected = Developer.all.collect(&:name) + received = Developer.offset(5).unscope(:offset).collect(&:name) + assert_equal expected, received + end + + def test_unscope_joins_and_select_on_developers_projects + expected = Developer.all.collect(&:name) + received = Developer.joins('JOIN developers_projects ON id = developer_id').select(:id).unscope(:joins, :select).collect(&:name) + assert_equal expected, received + end + + def test_unscope_includes + expected = Developer.all.collect(&:name) + received = Developer.includes(:projects).select(:id).unscope(:includes, :select).collect(&:name) + assert_equal expected, received + end + + def test_unscope_having + expected = DeveloperOrderedBySalary.all.collect(&:name) + received = DeveloperOrderedBySalary.having("name IN ('Jamis', 'David')").unscope(:having).collect(&:name) + assert_equal expected, received + end + + def test_unscope_and_scope + developer_klass = Class.new(Developer) do + scope :by_name, -> name { unscope(where: :name).where(name: name) } + end + + expected = developer_klass.where(name: 'Jamis').collect { |dev| [dev.name, dev.id] } + received = developer_klass.where(name: 'David').by_name('Jamis').collect { |dev| [dev.name, dev.id] } + assert_equal expected, received + end + + def test_unscope_errors_with_invalid_value + assert_raises(ArgumentError) do + Developer.includes(:projects).where(name: "Jamis").unscope(:stupidly_incorrect_value) + end + + assert_raises(ArgumentError) do + Developer.all.unscope(:includes, :select, :some_broken_value) + end + + assert_raises(ArgumentError) do + Developer.order('name DESC').reverse_order.unscope(:reverse_order) + end + + assert_raises(ArgumentError) do + Developer.order('name DESC').where(name: "Jamis").unscope() + end + end + + def test_unscope_errors_with_non_where_hash_keys + assert_raises(ArgumentError) do + Developer.where(name: "Jamis").limit(4).unscope(limit: 4) + end + + assert_raises(ArgumentError) do + Developer.where(name: "Jamis").unscope("where" => :name) + end + end + + def test_unscope_errors_with_non_symbol_or_hash_arguments + assert_raises(ArgumentError) do + Developer.where(name: "Jamis").limit(3).unscope("limit") + end + + assert_raises(ArgumentError) do + Developer.select("id").unscope("select") + end + + assert_raises(ArgumentError) do + Developer.select("id").unscope(5) + end + end + + def test_unscope_merging + merged = Developer.where(name: "Jamis").merge(Developer.unscope(:where)) + assert merged.where_values.empty? + assert !merged.where(name: "Jon").where_values.empty? + end + + def test_order_in_default_scope_should_not_prevail + expected = Developer.all.merge!(order: 'salary desc').to_a.collect(&:salary) + received = DeveloperOrderedBySalary.all.merge!(order: 'salary').to_a.collect(&:salary) + assert_equal expected, received + end + + def test_create_attribute_overwrites_default_scoping + assert_equal 'David', PoorDeveloperCalledJamis.create!(:name => 'David').name + assert_equal 200000, PoorDeveloperCalledJamis.create!(:name => 'David', :salary => 200000).salary + end + + def test_create_attribute_overwrites_default_values + assert_equal nil, PoorDeveloperCalledJamis.create!(:salary => nil).salary + assert_equal 50000, PoorDeveloperCalledJamis.create!(:name => 'David').salary + end + + def test_default_scope_attribute + jamis = PoorDeveloperCalledJamis.new(:name => 'David') + assert_equal 50000, jamis.salary + end + + def test_where_attribute + aaron = PoorDeveloperCalledJamis.where(:salary => 20).new(:name => 'Aaron') + assert_equal 20, aaron.salary + assert_equal 'Aaron', aaron.name + end + + def test_where_attribute_merge + aaron = PoorDeveloperCalledJamis.where(:name => 'foo').new(:name => 'Aaron') + assert_equal 'Aaron', aaron.name + end + + def test_scope_composed_by_limit_and_then_offset_is_equal_to_scope_composed_by_offset_and_then_limit + posts_limit_offset = Post.limit(3).offset(2) + posts_offset_limit = Post.offset(2).limit(3) + assert_equal posts_limit_offset, posts_offset_limit + end + + def test_create_with_merge + aaron = PoorDeveloperCalledJamis.create_with(:name => 'foo', :salary => 20).merge( + PoorDeveloperCalledJamis.create_with(:name => 'Aaron')).new + assert_equal 20, aaron.salary + assert_equal 'Aaron', aaron.name + + aaron = PoorDeveloperCalledJamis.create_with(:name => 'foo', :salary => 20). + create_with(:name => 'Aaron').new + assert_equal 20, aaron.salary + assert_equal 'Aaron', aaron.name + end + + def test_create_with_reset + jamis = PoorDeveloperCalledJamis.create_with(:name => 'Aaron').create_with(nil).new + assert_equal 'Jamis', jamis.name + end + + # FIXME: I don't know if this is *desired* behavior, but it is *today's* + # behavior. + def test_create_with_empty_hash_will_not_reset + jamis = PoorDeveloperCalledJamis.create_with(:name => 'Aaron').create_with({}).new + assert_equal 'Aaron', jamis.name + end + + def test_unscoped_with_named_scope_should_not_have_default_scope + assert_equal [DeveloperCalledJamis.find(developers(:poor_jamis).id)], DeveloperCalledJamis.poor + + assert DeveloperCalledJamis.unscoped.poor.include?(developers(:david).becomes(DeveloperCalledJamis)) + + assert_equal 11, DeveloperCalledJamis.unscoped.length + assert_equal 1, DeveloperCalledJamis.poor.length + assert_equal 10, DeveloperCalledJamis.unscoped.poor.length + assert_equal 10, DeveloperCalledJamis.unscoped { DeveloperCalledJamis.poor }.length + end + + def test_default_scope_select_ignored_by_aggregations + assert_equal DeveloperWithSelect.all.to_a.count, DeveloperWithSelect.count + end + + def test_default_scope_select_ignored_by_grouped_aggregations + assert_equal Hash[Developer.all.group_by(&:salary).map { |s, d| [s, d.count] }], + DeveloperWithSelect.group(:salary).count + end + + def test_default_scope_order_ignored_by_aggregations + assert_equal DeveloperOrderedBySalary.all.count, DeveloperOrderedBySalary.count + end + + def test_default_scope_find_last + assert DeveloperOrderedBySalary.count > 1, "need more than one row for test" + + lowest_salary_dev = DeveloperOrderedBySalary.find(developers(:poor_jamis).id) + assert_equal lowest_salary_dev, DeveloperOrderedBySalary.last + end + + def test_default_scope_include_with_count + d = DeveloperWithIncludes.create! + d.audit_logs.create! :message => 'foo' + + assert_equal 1, DeveloperWithIncludes.where(:audit_logs => { :message => 'foo' }).count + end + + def test_default_scope_with_references_works_through_collection_association + post = PostWithCommentWithDefaultScopeReferencesAssociation.create!(title: "Hello World", body: "Here we go.") + comment = post.comment_with_default_scope_references_associations.create!(body: "Great post.", developer_id: Developer.first.id) + assert_equal comment, post.comment_with_default_scope_references_associations.to_a.first + end + + def test_default_scope_with_references_works_through_association + post = PostWithCommentWithDefaultScopeReferencesAssociation.create!(title: "Hello World", body: "Here we go.") + comment = post.comment_with_default_scope_references_associations.create!(body: "Great post.", developer_id: Developer.first.id) + assert_equal comment, post.first_comment + end + + def test_default_scope_with_references_works_with_find_by + post = PostWithCommentWithDefaultScopeReferencesAssociation.create!(title: "Hello World", body: "Here we go.") + comment = post.comment_with_default_scope_references_associations.create!(body: "Great post.", developer_id: Developer.first.id) + assert_equal comment, CommentWithDefaultScopeReferencesAssociation.find_by(id: comment.id) + end + + unless in_memory_db? + def test_default_scope_is_threadsafe + threads = [] + assert_not_equal 1, ThreadsafeDeveloper.unscoped.count + + threads << Thread.new do + Thread.current[:long_default_scope] = true + assert_equal 1, ThreadsafeDeveloper.all.to_a.count + ThreadsafeDeveloper.connection.close + end + threads << Thread.new do + assert_equal 1, ThreadsafeDeveloper.all.to_a.count + ThreadsafeDeveloper.connection.close + end + threads.each(&:join) + end + end + + test "additional conditions are ANDed with the default scope" do + scope = DeveloperCalledJamis.where(name: "David") + assert_equal 2, scope.where_values.length + assert_equal [], scope.to_a + end + + test "additional conditions in a scope are ANDed with the default scope" do + scope = DeveloperCalledJamis.david + assert_equal 2, scope.where_values.length + assert_equal [], scope.to_a + end + + test "a scope can remove the condition from the default scope" do + scope = DeveloperCalledJamis.david2 + assert_equal 1, scope.where_values.length + assert_equal Developer.where(name: "David").map(&:id), scope.map(&:id) + end +end |