require 'cases/helper' require 'models/post' require 'models/comment' module ActiveRecord class WhereChainTest < ActiveRecord::TestCase fixtures :posts def setup super @name = 'title' end def test_not_eq expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], 'hello') relation = Post.where.not(title: 'hello') assert_equal([expected], relation.where_values) end def test_not_null expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], nil) relation = Post.where.not(title: nil) assert_equal([expected], relation.where_values) end def test_not_with_nil assert_raise ArgumentError do Post.where.not(nil) end end def test_not_in expected = Arel::Nodes::NotIn.new(Post.arel_table[@name], %w[hello goodbye]) relation = Post.where.not(title: %w[hello goodbye]) assert_equal([expected], relation.where_values) end def test_association_not_eq expected = Arel::Nodes::NotEqual.new(Comment.arel_table[@name], 'hello') relation = Post.joins(:comments).where.not(comments: {title: 'hello'}) assert_equal(expected.to_sql, relation.where_values.first.to_sql) end def test_not_eq_with_preceding_where relation = Post.where(title: 'hello').where.not(title: 'world') expected = Arel::Nodes::Equality.new(Post.arel_table[@name], 'hello') assert_equal(expected, relation.where_values.first) expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], 'world') assert_equal(expected, relation.where_values.last) end def test_not_eq_with_succeeding_where relation = Post.where.not(title: 'hello').where(title: 'world') expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], 'hello') assert_equal(expected, relation.where_values.first) expected = Arel::Nodes::Equality.new(Post.arel_table[@name], 'world') assert_equal(expected, relation.where_values.last) end def test_not_eq_with_string_parameter expected = Arel::Nodes::Not.new("title = 'hello'") relation = Post.where.not("title = 'hello'") assert_equal([expected], relation.where_values) end def test_not_eq_with_array_parameter expected = Arel::Nodes::Not.new("title = 'hello'") relation = Post.where.not(['title = ?', 'hello']) assert_equal([expected], relation.where_values) end def test_chaining_multiple relation = Post.where.not(author_id: [1, 2]).where.not(title: 'ruby on rails') expected = Arel::Nodes::NotIn.new(Post.arel_table['author_id'], [1, 2]) assert_equal(expected, relation.where_values[0]) expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], 'ruby on rails') assert_equal(expected, relation.where_values[1]) end def test_rewhere_with_one_condition relation = Post.where(title: 'hello').where(title: 'world').rewhere(title: 'alone') expected = Arel::Nodes::Equality.new(Post.arel_table[@name], 'alone') assert_equal 1, relation.where_values.size assert_equal expected, relation.where_values.first end def test_rewhere_with_multiple_overwriting_conditions relation = Post.where(title: 'hello').where(body: 'world').rewhere(title: 'alone', body: 'again') title_expected = Arel::Nodes::Equality.new(Post.arel_table['title'], 'alone') body_expected = Arel::Nodes::Equality.new(Post.arel_table['body'], 'again') assert_equal 2, relation.where_values.size assert_equal title_expected, relation.where_values.first assert_equal body_expected, relation.where_values.second end def test_rewhere_with_one_overwriting_condition_and_one_unrelated relation = Post.where(title: 'hello').where(body: 'world').rewhere(title: 'alone') title_expected = Arel::Nodes::Equality.new(Post.arel_table['title'], 'alone') body_expected = Arel::Nodes::Equality.new(Post.arel_table['body'], 'world') assert_equal 2, relation.where_values.size assert_equal body_expected, relation.where_values.first assert_equal title_expected, relation.where_values.second end end end