JezK
Edit File: schema_dumper_test.rb
require "cases/helper" require 'active_record/schema_dumper' require 'stringio' class SchemaDumperTest < ActiveRecord::TestCase def standard_dump stream = StringIO.new ActiveRecord::SchemaDumper.ignore_tables = [] ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream) stream.string end def test_schema_dump output = standard_dump assert_match %r{create_table "accounts"}, output assert_match %r{create_table "authors"}, output assert_no_match %r{create_table "schema_migrations"}, output end def test_schema_dump_excludes_sqlite_sequence output = standard_dump assert_no_match %r{create_table "sqlite_sequence"}, output end def assert_line_up(lines, pattern, required = false) return assert(true) if lines.empty? matches = lines.map { |line| line.match(pattern) } assert matches.all? if required matches.compact! return assert(true) if matches.empty? assert_equal 1, matches.map{ |match| match.offset(0).first }.uniq.length end def column_definition_lines(output = standard_dump) output.scan(/^( *)create_table.*?\n(.*?)^\1end/m).map{ |m| m.last.split(/\n/) } end def test_types_line_up column_definition_lines.each do |column_set| next if column_set.empty? lengths = column_set.map do |column| if match = column.match(/t\.(?:integer|decimal|float|datetime|timestamp|time|date|text|binary|string|boolean)\s+"/) match[0].length end end assert_equal 1, lengths.uniq.length end end def test_arguments_line_up column_definition_lines.each do |column_set| assert_line_up(column_set, /:default => /) assert_line_up(column_set, /:limit => /) assert_line_up(column_set, /:null => /) end end def test_no_dump_errors output = standard_dump assert_no_match %r{\# Could not dump table}, output end def test_schema_dump_includes_not_null_columns stream = StringIO.new ActiveRecord::SchemaDumper.ignore_tables = [/^[^r]/] ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream) output = stream.string assert_match %r{:null => false}, output end def test_schema_dump_includes_limit_constraint_for_integer_columns stream = StringIO.new ActiveRecord::SchemaDumper.ignore_tables = [/^(?!integer_limits)/] ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream) output = stream.string if current_adapter?(:PostgreSQLAdapter) assert_match %r{c_int_1.*:limit => 2}, output assert_match %r{c_int_2.*:limit => 2}, output # int 3 is 4 bytes in postgresql assert_match %r{c_int_3.*}, output assert_no_match %r{c_int_3.*:limit}, output assert_match %r{c_int_4.*}, output assert_no_match %r{c_int_4.*:limit}, output elsif current_adapter?(:MysqlAdapter) assert_match %r{c_int_1.*:limit => 1}, output assert_match %r{c_int_2.*:limit => 2}, output assert_match %r{c_int_3.*:limit => 3}, output assert_match %r{c_int_4.*}, output assert_no_match %r{c_int_4.*:limit}, output elsif current_adapter?(:SQLiteAdapter) assert_match %r{c_int_1.*:limit => 1}, output assert_match %r{c_int_2.*:limit => 2}, output assert_match %r{c_int_3.*:limit => 3}, output assert_match %r{c_int_4.*:limit => 4}, output end assert_match %r{c_int_without_limit.*}, output assert_no_match %r{c_int_without_limit.*:limit}, output if current_adapter?(:SQLiteAdapter) assert_match %r{c_int_5.*:limit => 5}, output assert_match %r{c_int_6.*:limit => 6}, output assert_match %r{c_int_7.*:limit => 7}, output assert_match %r{c_int_8.*:limit => 8}, output else assert_match %r{c_int_5.*:limit => 8}, output assert_match %r{c_int_6.*:limit => 8}, output assert_match %r{c_int_7.*:limit => 8}, output assert_match %r{c_int_8.*:limit => 8}, output end end def test_schema_dump_with_string_ignored_table stream = StringIO.new ActiveRecord::SchemaDumper.ignore_tables = ['accounts'] ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream) output = stream.string assert_no_match %r{create_table "accounts"}, output assert_match %r{create_table "authors"}, output assert_no_match %r{create_table "schema_migrations"}, output end def test_schema_dump_with_regexp_ignored_table stream = StringIO.new ActiveRecord::SchemaDumper.ignore_tables = [/^account/] ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream) output = stream.string assert_no_match %r{create_table "accounts"}, output assert_match %r{create_table "authors"}, output assert_no_match %r{create_table "schema_migrations"}, output end def test_schema_dump_illegal_ignored_table_value stream = StringIO.new ActiveRecord::SchemaDumper.ignore_tables = [5] assert_raise(StandardError) do ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream) end end if current_adapter?(:MysqlAdapter) def test_schema_dump_should_not_add_default_value_for_mysql_text_field output = standard_dump assert_match %r{t.text\s+"body",\s+:null => false$}, output end def test_mysql_schema_dump_should_honor_nonstandard_primary_keys output = standard_dump match = output.match(%r{create_table "movies"(.*)do}) assert_not_nil(match, "nonstandardpk table not found") assert_match %r(:primary_key => "movieid"), match[1], "non-standard primary key not preserved" end def test_schema_dump_includes_length_for_mysql_blob_and_text_fields output = standard_dump assert_match %r{t.binary\s+"tiny_blob",\s+:limit => 255$}, output assert_match %r{t.binary\s+"normal_blob"$}, output assert_match %r{t.binary\s+"medium_blob",\s+:limit => 16777215$}, output assert_match %r{t.binary\s+"long_blob",\s+:limit => 2147483647$}, output assert_match %r{t.text\s+"tiny_text",\s+:limit => 255$}, output assert_match %r{t.text\s+"normal_text"$}, output assert_match %r{t.text\s+"medium_text",\s+:limit => 16777215$}, output assert_match %r{t.text\s+"long_text",\s+:limit => 2147483647$}, output end end def test_schema_dump_includes_decimal_options stream = StringIO.new ActiveRecord::SchemaDumper.ignore_tables = [/^[^n]/] ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, stream) output = stream.string assert_match %r{:precision => 3,[[:space:]]+:scale => 2,[[:space:]]+:default => 2.78}, output end end