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require "test_helper"
class ClassSnapshotTest < Minitest::Test
def test_detect_class_method_on_class
for_all_method_visibilities do |visibility|
klass = Class.new
klass.__metaclass__.send(:define_method, :foo) {}
klass.__metaclass__.send(visibility, :foo)
assert_method_exists(klass, klass.__metaclass__, :foo, visibility)
end
end
def test_detect_class_method_on_superclass
for_all_method_visibilities do |visibility|
superklass = Class.new
superklass.__metaclass__.send(:define_method, :foo) {}
superklass.__metaclass__.send(visibility, :foo)
klass = Class.new(superklass)
assert_method_exists(klass, superklass.__metaclass__, :foo, visibility)
end
end
def test_detect_class_method_on_superclass_of_superclass
for_all_method_visibilities do |visibility|
superduperklass = Class.new
superduperklass.__metaclass__.send(:define_method, :foo) {}
superduperklass.__metaclass__.send(visibility, :foo)
klass = Class.new(Class.new(superduperklass))
assert_method_exists(klass, superduperklass.__metaclass__, :foo, visibility)
end
end
def test_detect_method_on_module_included_as_class_method_into_class
for_all_method_visibilities do |visibility|
mod = Module.new
mod.send(:define_method, :foo) {}
mod.send(visibility, :foo)
klass = Class.new do
extend mod
end
assert_method_exists(klass, mod, :foo, visibility)
end
end
def test_detect_method_on_module_included_as_class_method_into_superclass
for_all_method_visibilities do |visibility|
mod = Module.new
mod.send(:define_method, :foo) {}
mod.send(visibility, :foo)
superklass = Class.new do
extend mod
end
klass = Class.new(superklass)
assert_method_exists(klass, mod, :foo, visibility)
end
end
def test_detect_method_on_module_included_as_class_method_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
extend mod
end
klass = Class.new(Class.new(superduperklass))
assert_method_exists(klass, mod, :foo, visibility)
end
end
def test_detect_method_on_module_included_into_module_included_as_class_method_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
extend supermod
end
assert_method_exists(klass, mod, :foo, visibility)
end
end
end
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