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rails--rails/activerecord/test/schema_dumper_test.rb

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require 'abstract_unit'
require "#{File.dirname(__FILE__)}/../lib/active_record/schema_dumper"
require 'stringio'
if ActiveRecord::Base.connection.respond_to?(:tables)
class SchemaDumperTest < Test::Unit::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 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 test_arguments_line_up
output = standard_dump
output.scan(/^( *)create_table.*?\n(.*?)^\1end/m).map{ |m| m.last.split(/\n/) }.each do |column_set|
assert_line_up(column_set, /:(?:integer|decimal|float|datetime|timestamp|time|date|text|binary|string|boolean)/, true)
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 = [/^[^s]/]
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
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