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authorDavid Heinemeier Hansson <david@loudthinking.com>2015-12-17 14:28:19 +0100
committerDavid Heinemeier Hansson <david@loudthinking.com>2015-12-17 14:28:19 +0100
commit748b21db8ff850378b20a69ccd4215c06abea03e (patch)
treeb03b33698dabdea94b003af789b80fa5883535ad /activesupport/test/core_ext/module/attribute_accessor_per_thread_test.rb
parent7a53a9c13c997771797874b7549d389ced0be7b2 (diff)
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Add thread_m/cattr_accessor/reader/writer suite of methods for declaring class and module variables that live per-thread
Diffstat (limited to 'activesupport/test/core_ext/module/attribute_accessor_per_thread_test.rb')
-rw-r--r--activesupport/test/core_ext/module/attribute_accessor_per_thread_test.rb109
1 files changed, 109 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/module/attribute_accessor_per_thread_test.rb b/activesupport/test/core_ext/module/attribute_accessor_per_thread_test.rb
new file mode 100644
index 0000000000..b8d6c00ff7
--- /dev/null
+++ b/activesupport/test/core_ext/module/attribute_accessor_per_thread_test.rb
@@ -0,0 +1,109 @@
+require 'abstract_unit'
+require 'active_support/core_ext/module/attribute_accessors_per_thread'
+
+class ModuleAttributeAccessorTest < ActiveSupport::TestCase
+ def setup
+ @class = Class.new do
+ thread_mattr_accessor :foo
+ thread_mattr_accessor :bar, instance_writer: false
+ thread_mattr_reader :shaq, instance_reader: false
+ thread_mattr_accessor :camp, instance_accessor: false
+ end
+
+ @object = @class.new
+ end
+
+ def test_should_use_mattr_default
+ Thread.new do
+ assert_nil @class.foo
+ assert_nil @object.foo
+ end.join
+ end
+
+ def test_should_set_mattr_value
+ Thread.new do
+ @class.foo = :test
+ assert_equal :test, @class.foo
+
+ @class.foo = :test2
+ assert_equal :test2, @class.foo
+ end.join
+ end
+
+ def test_should_not_create_instance_writer
+ Thread.new do
+ assert_respond_to @class, :foo
+ assert_respond_to @class, :foo=
+ assert_respond_to @object, :bar
+ assert !@object.respond_to?(:bar=)
+ end.join
+ end
+
+ def test_should_not_create_instance_reader
+ Thread.new do
+ assert_respond_to @class, :shaq
+ assert !@object.respond_to?(:shaq)
+ end.join
+ end
+
+ def test_should_not_create_instance_accessors
+ Thread.new do
+ assert_respond_to @class, :camp
+ assert !@object.respond_to?(:camp)
+ assert !@object.respond_to?(:camp=)
+ end.join
+ end
+
+ def test_values_should_not_bleed_between_threads
+ threads = []
+ threads << Thread.new do
+ @class.foo = 'things'
+ sleep 1
+ assert_equal 'things', @class.foo
+ end
+
+ threads << Thread.new do
+ @class.foo = 'other things'
+ sleep 1
+ assert_equal 'other things', @class.foo
+ end
+
+ threads << Thread.new do
+ @class.foo = 'really other things'
+ sleep 1
+ assert_equal 'really other things', @class.foo
+ end
+
+ threads.each { |t| t.join }
+ end
+
+ def test_should_raise_name_error_if_attribute_name_is_invalid
+ exception = assert_raises NameError do
+ Class.new do
+ thread_cattr_reader "1nvalid"
+ end
+ end
+ assert_equal "invalid attribute name: 1nvalid", exception.message
+
+ exception = assert_raises NameError do
+ Class.new do
+ thread_cattr_writer "1nvalid"
+ end
+ end
+ assert_equal "invalid attribute name: 1nvalid", exception.message
+
+ exception = assert_raises NameError do
+ Class.new do
+ thread_mattr_reader "1valid_part"
+ end
+ end
+ assert_equal "invalid attribute name: 1valid_part", exception.message
+
+ exception = assert_raises NameError do
+ Class.new do
+ thread_mattr_writer "2valid_part"
+ end
+ end
+ assert_equal "invalid attribute name: 2valid_part", exception.message
+ end
+end