diff options
Diffstat (limited to 'activerecord/test/cases/schema_dumper_test.rb')
-rw-r--r-- | activerecord/test/cases/schema_dumper_test.rb | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/activerecord/test/cases/schema_dumper_test.rb b/activerecord/test/cases/schema_dumper_test.rb new file mode 100644 index 0000000000..2b7226ec3b --- /dev/null +++ b/activerecord/test/cases/schema_dumper_test.rb @@ -0,0 +1,131 @@ +require 'abstract_unit' +require "#{File.dirname(__FILE__)}/../lib/active_record/schema_dumper" +require 'stringio' + +if ActiveRecord::Base.connection.respond_to?(:tables) + + class SchemaDumperTest < ActiveSupport::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_info"}, 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_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_info"}, 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_info"}, 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+:default => "",\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 + 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 + +end |