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require "test/test_helper"
class InstanceSnapshotTest < Test::Unit::TestCase
def test_detect_instance_method_on_singleton_class
for_all_method_visibilities do |visibility|
instance = Class.new.new
instance.__metaclass__.send(:define_method, :foo) {}
instance.__metaclass__.send(visibility, :foo)
assert_method_exists(instance, instance.__metaclass__, :foo, visibility)
end
end
def test_detect_instance_method_on_module_included_into_singleton_class
for_all_method_visibilities do |visibility|
mod = Module.new
mod.send(:define_method, :foo) {}
mod.send(visibility, :foo)
instance = Class.new.new
instance.extend(mod)
assert_method_exists(instance, mod, :foo, visibility)
end
end
def test_detect_instance_method_on_module_included_module_included_into_singleton_class
for_all_method_visibilities do |visibility|
supermod = Module.new
supermod.send(:define_method, :foo) {}
supermod.send(visibility, :foo)
mod = Module.new
mod.send(:include, supermod)
instance = Class.new.new
instance.extend(mod)
assert_method_exists(instance, supermod, :foo, visibility)
end
end
def test_detect_instance_method_on_class
for_all_method_visibilities do |visibility|
klass = Class.new
klass.send(:define_method, :foo) {}
klass.send(visibility, :foo)
instance = klass.new
assert_method_exists(instance, klass, :foo, visibility)
end
end
def test_detect_instance_method_on_superclass
for_all_method_visibilities do |visibility|
superklass = Class.new
superklass.send(:define_method, :foo) {}
superklass.send(visibility, :foo)
instance = Class.new(superklass).new
assert_method_exists(instance, superklass, :foo, visibility)
end
end
def test_detect_instance_method_on_superclass_of_superclass
for_all_method_visibilities do |visibility|
superduperklass = Class.new
superduperklass.send(:define_method, :foo) {}
superduperklass.send(visibility, :foo)
instance = Class.new(Class.new(superduperklass)).new
assert_method_exists(instance, superduperklass, :foo, visibility)
end
end
def test_detect_instance_method_on_module_included_into_class
for_all_method_visibilities do |visibility|
mod = Module.new
mod.send(:define_method, :foo) {}
mod.send(visibility, :foo)
instance = Class.new do
include mod
end.new
assert_method_exists(instance, mod, :foo, visibility)
end
end
def test_detect_instance_method_on_module_included_into_superclass
for_all_method_visibilities do |visibility|
mod = Module.new
mod.send(:define_method, :foo) {}
mod.send(visibility, :foo)
superklass = Class.new do
include mod
end
instance = Class.new(superklass).new
assert_method_exists(instance, mod, :foo, visibility)
end
end
def test_detect_instance_method_on_module_included_into_superclass_of_superclass
for_all_method_visibilities do |visibility|
mod = Module.new
mod.send(:define_method, :foo) {}
mod.send(visibility, :foo)
superduperklass = Class.new do
include mod
end
instance = Class.new(Class.new(superduperklass)).new
assert_method_exists(instance, mod, :foo, visibility)
end
end
def test_detect_instance_method_on_module_included_into_module_included_into_class
for_all_method_visibilities do |visibility|
mod = Module.new
mod.send(:define_method, :foo) {}
mod.send(visibility, :foo)
supermod = Module.new do
include mod
end
klass = Class.new do
include supermod
end
instance = klass.new
assert_method_exists(instance, mod, :foo, visibility)
end
end
end
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