/usr/lib/ruby/vendor_ruby/test/unit/fixture.rb is in ruby-test-unit 3.2.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 | module Test
module Unit
module Fixture
class << self
def included(base)
base.extend(ClassMethods)
[:setup, :cleanup, :teardown].each do |type|
observer = lambda do |test_case, _, _, value, callback|
if value.nil?
test_case.fixture[type].unregister(callback)
else
test_case.fixture[type].register(callback, value)
end
end
base.register_attribute_observer(type, &observer)
end
end
end
class Fixture
attr_reader :setup
attr_reader :cleanup
attr_reader :teardown
def initialize(test_case)
@test_case = test_case
@setup = HookPoint.new(@test_case, :setup, :after => :append)
@cleanup = HookPoint.new(@test_case, :cleanup, :before => :prepend)
@teardown = HookPoint.new(@test_case, :teardown, :before => :prepend)
@cached_before_callbacks = {}
@cached_after_callbacks = {}
end
def [](type)
case type
when :setup
@setup
when :cleanup
@cleanup
when :teardown
@teardown
end
end
def before_callbacks(type)
@cached_before_callbacks[type] ||= collect_before_callbacks(type)
end
def after_callbacks(type)
@cached_after_callbacks[type] ||= collect_after_callbacks(type)
end
private
def target_test_cases
@cached_target_test_cases ||= collect_target_test_cases
end
def collect_before_callbacks(type)
prepend_callbacks = []
append_callbacks = []
target_test_cases.each do |ancestor|
prepend_callbacks << ancestor.fixture[type].before_prepend_callbacks
append_callbacks << ancestor.fixture[type].before_append_callbacks
end
merge_callbacks(prepend_callbacks, append_callbacks)
end
def collect_after_callbacks(type)
prepend_callbacks = []
append_callbacks = []
target_test_cases.each do |ancestor|
prepend_callbacks << ancestor.fixture[type].after_prepend_callbacks
append_callbacks << ancestor.fixture[type].after_append_callbacks
end
merge_callbacks(prepend_callbacks, append_callbacks)
end
def collect_target_test_cases
ancestors = @test_case.ancestors
base_index = ancestors.index(::Test::Unit::Fixture)
interested_ancestors = ancestors[0, base_index].find_all do |ancestor|
ancestor.is_a?(Class)
end
interested_ancestors.reverse
end
def merge_callbacks(prepend_callbacks, append_callbacks)
all_callbacks = []
prepend_callbacks.reverse_each do |callbacks|
all_callbacks.concat(callbacks)
end
append_callbacks.each do |callbacks|
all_callbacks.concat(callbacks)
end
all_callbacks
end
end
class HookPoint
def initialize(test_case, type, default_options)
@test_case = test_case
@type = type
@default_options = default_options
@before_prepend_callbacks = []
@before_append_callbacks = []
@after_prepend_callbacks = []
@after_append_callbacks = []
@unregistered_callbacks = []
end
def register(method_name_or_callback, options=nil)
options ||= {}
unless valid_register_options?(options)
message = "must be {:before => :prepend}, " +
"{:before => :append}, {:after => :prepend} or " +
"{:after => :append}: #{options.inspect}"
raise ArgumentError, message
end
if options.empty?
options = @default_options
end
before_how = options[:before]
after_how = options[:after]
if method_name_or_callback.respond_to?(:call)
callback = method_name_or_callback
method_name = callback_method_name(callback)
@test_case.attribute(:source_location,
callback.source_location,
method_name)
@test_case.__send__(:define_method, method_name, &callback)
else
method_name = method_name_or_callback
end
add_callback(method_name, before_how, after_how)
end
def unregister(method_name_or_callback)
if method_name_or_callback.respond_to?(:call)
callback = method_name_or_callback
method_name = callback_method_name(callback)
else
method_name = method_name_or_callback
end
@unregistered_callbacks << method_name
end
def before_prepend_callbacks
@before_prepend_callbacks - @unregistered_callbacks
end
def before_append_callbacks
@before_append_callbacks - @unregistered_callbacks
end
def after_prepend_callbacks
@after_prepend_callbacks - @unregistered_callbacks
end
def after_append_callbacks
@after_append_callbacks - @unregistered_callbacks
end
private
def valid_register_options?(options)
return true if options.empty?
return false if options.size > 1
key = options.keys.first
[:before, :after].include?(key) and
[:prepend, :append].include?(options[key])
end
def callback_method_name(callback)
"#{@type}_#{callback.object_id}"
end
def add_callback(method_name_or_callback, before_how, after_how)
case before_how
when :prepend
@before_prepend_callbacks =
[method_name_or_callback] | @before_prepend_callbacks
when :append
@before_append_callbacks |= [method_name_or_callback]
else
case after_how
when :prepend
@after_prepend_callbacks =
[method_name_or_callback] | @after_prepend_callbacks
when :append
@after_append_callbacks |= [method_name_or_callback]
end
end
end
end
module ClassMethods
def fixture
@fixture ||= Fixture.new(self)
end
def setup(*method_names, &callback)
register_fixture(:setup, *method_names, &callback)
end
def unregister_setup(*method_names_or_callbacks)
unregister_fixture(:setup, *method_names_or_callbacks)
end
def cleanup(*method_names, &callback)
register_fixture(:cleanup, *method_names, &callback)
end
def unregister_cleanup(*method_names_or_callbacks)
unregister_fixture(:cleanup, *method_names_or_callbacks)
end
def teardown(*method_names, &callback)
register_fixture(:teardown, *method_names, &callback)
end
def unregister_teardown(*method_names_or_callbacks)
unregister_fixture(:teardown, *method_names_or_callbacks)
end
private
def register_fixture(fixture, *method_names, &callback)
options = {}
options = method_names.pop if method_names.last.is_a?(Hash)
callbacks = method_names
callbacks << callback if callback
attribute(fixture, options, *callbacks)
end
def unregister_fixture(fixture, *method_names_or_callbacks)
attribute(fixture, nil, *method_names_or_callbacks)
end
end
private
def run_fixture(type, options={}, &block)
fixtures = [
self.class.fixture.before_callbacks(type),
type,
self.class.fixture.after_callbacks(type),
].flatten
if block
runner = create_fixtures_runner(fixtures, options, &block)
runner.call
else
fixtures.each do |method_name|
run_fixture_callback(method_name, options)
end
end
end
def create_fixtures_runner(fixtures, options, &block)
if fixtures.empty?
block
else
last_fixture = fixtures.pop
create_fixtures_runner(fixtures, options) do
block_is_called = false
run_fixture_callback(last_fixture, options) do
block_is_called = true
block.call
end
block.call unless block_is_called
end
end
end
def run_fixture_callback(method_name, options, &block)
return unless respond_to?(method_name, true)
begin
__send__(method_name, &block)
rescue Exception
raise unless options[:handle_exception]
raise unless handle_exception($!)
end
end
def run_setup(&block)
run_fixture(:setup, &block)
end
def run_cleanup
run_fixture(:cleanup)
end
def run_teardown
run_fixture(:teardown, :handle_exception => true)
end
end
end
end
|