diff options
Diffstat (limited to 'activerecord/test/cases/adapters/postgresql/array_test.rb')
-rw-r--r-- | activerecord/test/cases/adapters/postgresql/array_test.rb | 281 |
1 files changed, 243 insertions, 38 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/array_test.rb b/activerecord/test/cases/adapters/postgresql/array_test.rb index 8774bf626f..db302b6294 100644 --- a/activerecord/test/cases/adapters/postgresql/array_test.rb +++ b/activerecord/test/cases/adapters/postgresql/array_test.rb @@ -1,98 +1,303 @@ # encoding: utf-8 require "cases/helper" -require 'active_record/base' -require 'active_record/connection_adapters/postgresql_adapter' +require 'support/schema_dumping_helper' class PostgresqlArrayTest < ActiveRecord::TestCase + include SchemaDumpingHelper + include InTimeZone + OID = ActiveRecord::ConnectionAdapters::PostgreSQL::OID + class PgArray < ActiveRecord::Base self.table_name = 'pg_arrays' end def setup @connection = ActiveRecord::Base.connection - @connection.transaction do - @connection.create_table('pg_arrays') do |t| - t.string 'tags', :array => true - end + + enable_extension!('hstore', @connection) + + @connection.transaction do + @connection.create_table('pg_arrays') do |t| + t.string 'tags', array: true + t.integer 'ratings', array: true + t.datetime :datetimes, array: true + t.hstore :hstores, array: true end - @column = PgArray.columns.find { |c| c.name == 'tags' } + end + @column = PgArray.columns_hash['tags'] end - def teardown + teardown do @connection.execute 'drop table if exists pg_arrays' + disable_extension!('hstore', @connection) end def test_column assert_equal :string, @column.type + assert_equal "character varying", @column.sql_type assert @column.array + assert_not @column.number? + assert_not @column.binary? + + ratings_column = PgArray.columns_hash['ratings'] + assert_equal :integer, ratings_column.type + assert ratings_column.array + assert_not ratings_column.number? + end + + def test_default + @connection.add_column 'pg_arrays', 'score', :integer, array: true, default: [4, 4, 2] + PgArray.reset_column_information + + assert_equal([4, 4, 2], PgArray.column_defaults['score']) + assert_equal([4, 4, 2], PgArray.new.score) + ensure + PgArray.reset_column_information + end + + def test_default_strings + @connection.add_column 'pg_arrays', 'names', :string, array: true, default: ["foo", "bar"] + PgArray.reset_column_information + + assert_equal(["foo", "bar"], PgArray.column_defaults['names']) + assert_equal(["foo", "bar"], PgArray.new.names) + ensure + PgArray.reset_column_information + end + + def test_change_column_with_array + @connection.add_column :pg_arrays, :snippets, :string, array: true, default: [] + @connection.change_column :pg_arrays, :snippets, :text, array: true, default: [] + + PgArray.reset_column_information + column = PgArray.columns_hash['snippets'] + + assert_equal :text, column.type + assert_equal [], PgArray.column_defaults['snippets'] + assert column.array + end + + def test_change_column_cant_make_non_array_column_to_array + @connection.add_column :pg_arrays, :a_string, :string + assert_raises ActiveRecord::StatementInvalid do + @connection.transaction do + @connection.change_column :pg_arrays, :a_string, :string, array: true + end + end + end + + def test_change_column_default_with_array + @connection.change_column_default :pg_arrays, :tags, [] + + PgArray.reset_column_information + assert_equal [], PgArray.column_defaults['tags'] end def test_type_cast_array - assert @column + assert_equal(['1', '2', '3'], @column.type_cast_from_database('{1,2,3}')) + assert_equal([], @column.type_cast_from_database('{}')) + assert_equal([nil], @column.type_cast_from_database('{NULL}')) + end + + def test_type_cast_integers + x = PgArray.new(ratings: ['1', '2']) + + assert_equal([1, 2], x.ratings) - data = '{1,2,3}' - oid_type = @column.instance_variable_get('@oid_type').subtype - # we are getting the instance variable in this test, but in the - # normal use of string_to_array, it's called from the OID::Array - # class and will have the OID instance that will provide the type - # casting - array = @column.class.string_to_array data, oid_type - assert_equal(['1', '2', '3'], array) - assert_equal(['1', '2', '3'], @column.type_cast(data)) + x.save! + x.reload - assert_equal([], @column.type_cast('{}')) - assert_equal([nil], @column.type_cast('{NULL}')) + assert_equal([1, 2], x.ratings) end - def test_rewrite + def test_schema_dump_with_shorthand + output = dump_table_schema "pg_arrays" + assert_match %r[t.string\s+"tags",\s+array: true], output + assert_match %r[t.integer\s+"ratings",\s+array: true], output + end + + def test_select_with_strings @connection.execute "insert into pg_arrays (tags) VALUES ('{1,2,3}')" x = PgArray.first - x.tags = ['1','2','3','4'] - assert x.save! + assert_equal(['1','2','3'], x.tags) end - def test_select + def test_rewrite_with_strings @connection.execute "insert into pg_arrays (tags) VALUES ('{1,2,3}')" x = PgArray.first - assert_equal(['1','2','3'], x.tags) + x.tags = ['1','2','3','4'] + x.save! + assert_equal ['1','2','3','4'], x.reload.tags + end + + def test_select_with_integers + @connection.execute "insert into pg_arrays (ratings) VALUES ('{1,2,3}')" + x = PgArray.first + assert_equal([1, 2, 3], x.ratings) + end + + def test_rewrite_with_integers + @connection.execute "insert into pg_arrays (ratings) VALUES ('{1,2,3}')" + x = PgArray.first + x.ratings = [2, '3', 4] + x.save! + assert_equal [2, 3, 4], x.reload.ratings + end + + def test_multi_dimensional_with_strings + assert_cycle(:tags, [[['1'], ['2']], [['2'], ['3']]]) end - def test_multi_dimensional - assert_cycle([['1','2'],['2','3']]) + def test_with_empty_strings + assert_cycle(:tags, [ '1', '2', '', '4', '', '5' ]) + end + + def test_with_multi_dimensional_empty_strings + assert_cycle(:tags, [[['1', '2'], ['', '4'], ['', '5']]]) + end + + def test_with_arbitrary_whitespace + assert_cycle(:tags, [[['1', '2'], [' ', '4'], [' ', '5']]]) + end + + def test_multi_dimensional_with_integers + assert_cycle(:ratings, [[[1], [7]], [[8], [10]]]) end def test_strings_with_quotes - assert_cycle(['this has','some "s that need to be escaped"']) + assert_cycle(:tags, ['this has','some "s that need to be escaped"']) end def test_strings_with_commas - assert_cycle(['this,has','many,values']) + assert_cycle(:tags, ['this,has','many,values']) end def test_strings_with_array_delimiters - assert_cycle(['{','}']) + assert_cycle(:tags, ['{','}']) end def test_strings_with_null_strings - assert_cycle(['NULL','NULL']) + assert_cycle(:tags, ['NULL','NULL']) end def test_contains_nils - assert_cycle(['1',nil,nil]) + assert_cycle(:tags, ['1',nil,nil]) + end + + def test_insert_fixture + tag_values = ["val1", "val2", "val3_with_'_multiple_quote_'_chars"] + @connection.insert_fixture({"tags" => tag_values}, "pg_arrays" ) + assert_equal(PgArray.last.tags, tag_values) + end + + def test_attribute_for_inspect_for_array_field + record = PgArray.new { |a| a.ratings = (1..11).to_a } + assert_equal("[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ...]", record.attribute_for_inspect(:ratings)) + end + + def test_escaping + unknown = 'foo\\",bar,baz,\\' + tags = ["hello_#{unknown}"] + ar = PgArray.create!(tags: tags) + ar.reload + assert_equal tags, ar.tags + end + + def test_string_quoting_rules_match_pg_behavior + tags = ["", "one{", "two}", %(three"), "four\\", "five ", "six\t", "seven\n", "eight,", "nine", "ten\r", "NULL"] + x = PgArray.create!(tags: tags) + x.reload + + assert_equal x.tags_before_type_cast, PgArray.columns_hash['tags'].type_cast_for_database(tags) + end + + def test_quoting_non_standard_delimiters + strings = ["hello,", "world;"] + comma_delim = OID::Array.new(ActiveRecord::Type::String.new, ',') + semicolon_delim = OID::Array.new(ActiveRecord::Type::String.new, ';') + + assert_equal %({"hello,",world;}), comma_delim.type_cast_for_database(strings) + assert_equal %({hello,;"world;"}), semicolon_delim.type_cast_for_database(strings) + end + + def test_mutate_array + x = PgArray.create!(tags: %w(one two)) + + x.tags << "three" + x.save! + x.reload + + assert_equal %w(one two three), x.tags + assert_not x.changed? + end + + def test_mutate_value_in_array + x = PgArray.create!(hstores: [{ a: 'a' }, { b: 'b' }]) + + x.hstores.first['a'] = 'c' + x.save! + x.reload + + assert_equal [{ 'a' => 'c' }, { 'b' => 'b' }], x.hstores + assert_not x.changed? + end + + def test_datetime_with_timezone_awareness + tz = "Pacific Time (US & Canada)" + + in_time_zone tz do + PgArray.reset_column_information + time_string = Time.current.to_s + time = Time.zone.parse(time_string) + + record = PgArray.new(datetimes: [time_string]) + assert_equal [time], record.datetimes + assert_equal ActiveSupport::TimeZone[tz], record.datetimes.first.time_zone + + record.save! + record.reload + + assert_equal [time], record.datetimes + assert_equal ActiveSupport::TimeZone[tz], record.datetimes.first.time_zone + end + end + + def test_assigning_non_array_value + record = PgArray.new(tags: "not-an-array") + assert_equal "not-an-array", record.tags + e = assert_raises(ActiveRecord::StatementInvalid) do + record.save! + end + assert_instance_of PG::InvalidTextRepresentation, e.original_exception + end + + def test_uniqueness_validation + klass = Class.new(PgArray) do + validates_uniqueness_of :tags + + def self.model_name; ActiveModel::Name.new(PgArray) end + end + e1 = klass.create("tags" => ["black", "blue"]) + assert e1.persisted?, "Saving e1" + + e2 = klass.create("tags" => ["black", "blue"]) + assert !e2.persisted?, "e2 shouldn't be valid" + assert e2.errors[:tags].any?, "Should have errors for tags" + assert_equal ["has already been taken"], e2.errors[:tags], "Should have uniqueness message for tags" end private - def assert_cycle array + def assert_cycle field, array # test creation - x = PgArray.create!(:tags => array) + x = PgArray.create!(field => array) x.reload - assert_equal(array, x.tags) + assert_equal(array, x.public_send(field)) # test updating - x = PgArray.create!(:tags => []) - x.tags = array + x = PgArray.create!(field => []) + x.public_send("#{field}=", array) x.save! x.reload - assert_equal(array, x.tags) + assert_equal(array, x.public_send(field)) end end |