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require 'test/unit'
require 'fileutils'
fixtures = File.expand_path(File.join(File.dirname(__FILE__), '..', 'fixtures'))
if defined?(RAILS_ROOT)
RAILS_ROOT.replace fixtures
else
RAILS_ROOT = fixtures
end
$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../../../activerecord/lib"
$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../../lib"
require 'generators'
CURRENT_PATH = File.expand_path(Dir.pwd)
Rails::Generators.no_color!
class GeneratorsTestCase < Test::Unit::TestCase
include FileUtils
def destination_root
@destination_root ||= File.expand_path(File.join(File.dirname(__FILE__),
'..', 'fixtures', 'tmp'))
end
def setup
cd CURRENT_PATH
rm_rf(destination_root)
mkdir_p(destination_root)
end
def test_truth
# don't complain, test/unit
end
def capture(stream)
begin
stream = stream.to_s
eval "$#{stream} = StringIO.new"
yield
result = eval("$#{stream}").string
ensure
eval("$#{stream} = #{stream.upcase}")
end
result
end
alias :silence :capture
def assert_file(relative, *contents)
absolute = File.join(destination_root, relative)
assert File.exists?(absolute), "Expected file #{relative.inspect} to exist, but does not"
read = File.read(absolute) if block_given? || !contents.empty?
yield read if block_given?
contents.each do |content|
case content
when String
assert_equal content, read
when Regexp
assert_match content, read
end
end
end
def assert_no_file(relative)
absolute = File.join(destination_root, relative)
assert !File.exists?(absolute), "Expected file #{relative.inspect} to not exist, but does"
end
def assert_migration(relative, *contents, &block)
file_name = migration_file_name(relative)
assert file_name, "Expected migration #{relative} to exist, but was not found"
assert_file File.join(File.dirname(relative), file_name), *contents, &block
end
def assert_no_migration(relative)
file_name = migration_file_name(relative)
assert_nil file_name, "Expected migration #{relative} to not exist, but found #{file_name}"
end
def assert_class_method(content, method, &block)
assert_instance_method content, "self.#{method}", &block
end
def assert_instance_method(content, method)
assert content =~ /def #{method}(\(.+\))?(.*?)\n end/m, "Expected to have method #{method}"
yield $2.strip if block_given?
end
protected
def migration_file_name(relative)
absolute = File.join(destination_root, relative)
dirname, file_name = File.dirname(absolute), File.basename(absolute).sub(/\.rb$/, '')
migration = Dir.glob("#{dirname}/[0-9]*_*.rb").grep(/\d+_#{file_name}.rb$/).first
File.basename(migration) if migration
end
end
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