--- /dev/null
+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