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rails--rails/activesupport/test/deprecation_test.rb

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# frozen_string_literal: true
require "abstract_unit"
require "active_support/testing/stream"
class Deprecatee
def initialize
@request = ActiveSupport::Deprecation::DeprecatedInstanceVariableProxy.new(self, :request)
@_request = "there we go"
end
def request; @_request end
def old_request; @request end
def partially(foo = nil)
ActiveSupport::Deprecation.warn("calling with foo=nil is out") if foo.nil?
end
def not() 2 end
def none() 1 end
def one(a) a end
def multi(a, b, c) [a, b, c] end
deprecate :none, :one, :multi
def a; end
def b; end
def c; end
def d; end
def e; end
deprecate :a, :b, c: :e, d: "you now need to do something extra for this one"
def f=(v); end
deprecate :f=
module B
C = 1
end
A = ActiveSupport::Deprecation::DeprecatedConstantProxy.new("Deprecatee::A", "Deprecatee::B::C")
end
class DeprecateeWithAccessor
include ActiveSupport::Deprecation::DeprecatedConstantAccessor
module B
C = 1
end
deprecate_constant "A", "DeprecateeWithAccessor::B::C"
class NewException < StandardError; end
deprecate_constant "OldException", "DeprecateeWithAccessor::NewException"
end
class DeprecationTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Stream
def setup
# Track the last warning.
@old_behavior = ActiveSupport::Deprecation.behavior
@last_message = nil
ActiveSupport::Deprecation.behavior = Proc.new { |message| @last_message = message }
@dtc = Deprecatee.new
end
def teardown
ActiveSupport::Deprecation.behavior = @old_behavior
end
def test_inline_deprecation_warning
assert_deprecated(/foo=nil/) do
@dtc.partially
end
end
def test_undeprecated
assert_not_deprecated do
assert_equal 2, @dtc.not
end
end
def test_deprecate_class_method
assert_deprecated(/none is deprecated/) do
assert_equal 1, @dtc.none
end
assert_deprecated(/one is deprecated/) do
assert_equal 1, @dtc.one(1)
end
assert_deprecated(/multi is deprecated/) do
assert_equal [1, 2, 3], @dtc.multi(1, 2, 3)
end
end
def test_deprecate_object
deprecated_object = ActiveSupport::Deprecation::DeprecatedObjectProxy.new(Object.new, ":bomb:")
assert_deprecated(/:bomb:/) { deprecated_object.to_s }
end
def test_nil_behavior_is_ignored
ActiveSupport::Deprecation.behavior = nil
assert_deprecated(/foo=nil/) { @dtc.partially }
end
def test_several_behaviors
@a, @b, @c = nil, nil, nil
ActiveSupport::Deprecation.behavior = [
lambda { |msg, callstack, horizon, gem| @a = msg },
lambda { |msg, callstack| @b = msg },
lambda { |*args| @c = args },
]
@dtc.partially
assert_match(/foo=nil/, @a)
assert_match(/foo=nil/, @b)
assert_equal 4, @c.size
end
def test_raise_behaviour
ActiveSupport::Deprecation.behavior = :raise
message = "Revise this deprecated stuff now!"
callstack = caller_locations
e = assert_raise ActiveSupport::DeprecationException do
ActiveSupport::Deprecation.behavior.first.call(message, callstack, "horizon", "gem")
end
assert_equal message, e.message
assert_equal callstack.map(&:to_s), e.backtrace.map(&:to_s)
end
def test_default_stderr_behavior
ActiveSupport::Deprecation.behavior = :stderr
behavior = ActiveSupport::Deprecation.behavior.first
content = capture(:stderr) {
assert_nil behavior.call("Some error!", ["call stack!"], "horizon", "gem")
}
assert_match(/Some error!/, content)
assert_match(/call stack!/, content)
end
def test_default_stderr_behavior_with_warn_method
ActiveSupport::Deprecation.behavior = :stderr
content = capture(:stderr) {
ActiveSupport::Deprecation.warn("Instance error!", ["instance call stack!"])
}
assert_match(/Instance error!/, content)
assert_match(/instance call stack!/, content)
end
def test_default_silence_behavior
ActiveSupport::Deprecation.behavior = :silence
behavior = ActiveSupport::Deprecation.behavior.first
stderr_output = capture(:stderr) {
assert_nil behavior.call("Some error!", ["call stack!"], "horizon", "gem")
}
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assert_empty stderr_output
end
def test_default_notify_behavior
ActiveSupport::Deprecation.behavior = :notify
behavior = ActiveSupport::Deprecation.behavior.first
begin
events = []
ActiveSupport::Notifications.subscribe("deprecation.my_gem_custom") { |_, **args|
events << args
}
assert_nil behavior.call("Some error!", ["call stack!"], "horizon", "MyGem::Custom")
assert_equal 1, events.size
assert_equal "Some error!", events.first[:message]
assert_equal ["call stack!"], events.first[:callstack]
assert_equal "horizon", events.first[:deprecation_horizon]
assert_equal "MyGem::Custom", events.first[:gem_name]
ensure
ActiveSupport::Notifications.unsubscribe("deprecation.my_gem_custom")
end
end
def test_deprecated_instance_variable_proxy
assert_not_deprecated { @dtc.request.size }
assert_deprecated("@request.size") { assert_equal @dtc.request.size, @dtc.old_request.size }
assert_deprecated("@request.to_s") { assert_equal @dtc.request.to_s, @dtc.old_request.to_s }
end
def test_deprecated_instance_variable_proxy_shouldnt_warn_on_inspect
assert_not_deprecated { assert_equal @dtc.request.inspect, @dtc.old_request.inspect }
end
def test_deprecated_constant_proxy
assert_not_deprecated { Deprecatee::B::C }
assert_deprecated("Deprecatee::A") { assert_equal Deprecatee::B::C, Deprecatee::A }
assert_not_deprecated { assert_equal Deprecatee::B::C.class, Deprecatee::A.class }
end
def test_deprecated_constant_accessor
assert_not_deprecated { DeprecateeWithAccessor::B::C }
assert_deprecated("DeprecateeWithAccessor::A") { assert_equal DeprecateeWithAccessor::B::C, DeprecateeWithAccessor::A }
end
def test_deprecated_constant_accessor_exception
raise DeprecateeWithAccessor::NewException.new("Test")
rescue DeprecateeWithAccessor::OldException => e
assert_kind_of DeprecateeWithAccessor::NewException, e
end
def test_assert_deprecated_raises_when_method_not_deprecated
assert_raises(Minitest::Assertion) { assert_deprecated { @dtc.not } }
end
def test_assert_not_deprecated
assert_raises(Minitest::Assertion) { assert_not_deprecated { @dtc.partially } }
end
def test_assert_deprecation_without_match
assert_deprecated do
@dtc.partially
end
end
def test_assert_deprecated_matches_any_warning
assert_deprecated "abc" do
ActiveSupport::Deprecation.warn "abc"
ActiveSupport::Deprecation.warn "def"
end
rescue Minitest::Assertion
flunk "assert_deprecated should match any warning in block, not just the last one"
end
def test_assert_not_deprecated_returns_result_of_block
assert_equal 123, assert_not_deprecated { 123 }
end
def test_assert_deprecated_returns_result_of_block
result = assert_deprecated("abc") do
ActiveSupport::Deprecation.warn "abc"
123
end
assert_equal 123, result
end
def test_assert_deprecated_warn_work_with_default_behavior
ActiveSupport::Deprecation.instance_variable_set("@behavior", nil)
assert_deprecated("abc") do
ActiveSupport::Deprecation.warn "abc"
end
end
def test_silence
ActiveSupport::Deprecation.silence do
assert_not_deprecated { @dtc.partially }
end
ActiveSupport::Deprecation.silenced = true
assert_not_deprecated { @dtc.partially }
ActiveSupport::Deprecation.silenced = false
end
def test_deprecation_without_explanation
assert_deprecated { @dtc.a }
assert_deprecated { @dtc.b }
assert_deprecated { @dtc.f = :foo }
end
def test_deprecation_with_alternate_method
assert_deprecated(/use e instead/) { @dtc.c }
end
def test_deprecation_with_explicit_message
assert_deprecated(/you now need to do something extra for this one/) { @dtc.d }
end
def test_deprecation_in_other_object
messages = []
klass = Class.new do
delegate :warn, :behavior=, to: ActiveSupport::Deprecation
end
o = klass.new
o.behavior = Proc.new { |message, callstack| messages << message }
assert_difference("messages.size") do
o.warn("warning")
end
end
def test_deprecated_method_with_custom_method_warning
deprecator = deprecator_with_messages
class << deprecator
private
def deprecated_method_warning(method, message)
"deprecator.deprecated_method_warning.#{method}"
end
end
deprecatee = Class.new do
def method
end
deprecate :method, deprecator: deprecator
end
deprecatee.new.method
assert deprecator.messages.first.match("DEPRECATION WARNING: deprecator.deprecated_method_warning.method")
end
def test_deprecate_with_custom_deprecator
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custom_deprecator = Struct.new(:deprecation_warning).new
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assert_called_with(custom_deprecator, :deprecation_warning, [:method, nil]) do
klass = Class.new do
def method
end
deprecate :method, deprecator: custom_deprecator
end
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klass.new.method
end
end
def test_deprecated_constant_with_deprecator_given
deprecator = deprecator_with_messages
klass = Class.new
klass.const_set(:OLD, ActiveSupport::Deprecation::DeprecatedConstantProxy.new("klass::OLD", "Object", deprecator))
assert_difference("deprecator.messages.size") do
klass::OLD.to_s
end
end
def test_deprecated_constant_with_custom_message
deprecator = deprecator_with_messages
klass = Class.new
klass.const_set(:OLD, ActiveSupport::Deprecation::DeprecatedConstantProxy.new("klass::OLD", "Object", deprecator, message: "foo"))
klass::OLD.to_s
assert_match "foo", deprecator.messages.last
end
def test_deprecated_instance_variable_with_instance_deprecator
deprecator = deprecator_with_messages
klass = Class.new() do
def initialize(deprecator)
@request = ActiveSupport::Deprecation::DeprecatedInstanceVariableProxy.new(self, :request, :@request, deprecator)
@_request = :a_request
end
def request; @_request end
def old_request; @request end
end
assert_difference("deprecator.messages.size") { klass.new(deprecator).old_request.to_s }
end
def test_deprecated_instance_variable_with_given_deprecator
deprecator = deprecator_with_messages
klass = Class.new do
define_method(:initialize) do
@request = ActiveSupport::Deprecation::DeprecatedInstanceVariableProxy.new(self, :request, :@request, deprecator)
@_request = :a_request
end
def request; @_request end
def old_request; @request end
end
assert_difference("deprecator.messages.size") { klass.new.old_request.to_s }
end
def test_delegate_deprecator_instance
klass = Class.new do
attr_reader :last_message
delegate :warn, :behavior=, to: ActiveSupport::Deprecation
def initialize
self.behavior = [Proc.new { |message| @last_message = message }]
end
def deprecated_method
warn(deprecated_method_warning(:deprecated_method, "You are calling deprecated method"))
end
private
def deprecated_method_warning(method_name, message = nil)
message || "#{method_name} is deprecated and will be removed from This Library"
end
end
object = klass.new
object.deprecated_method
assert_match(/You are calling deprecated method/, object.last_message)
end
def test_default_deprecation_horizon_should_always_bigger_than_current_rails_version
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assert_operator ActiveSupport::Deprecation.new.deprecation_horizon, :>, ActiveSupport::VERSION::STRING
end
def test_default_gem_name
deprecator = ActiveSupport::Deprecation.new
deprecator.send(:deprecated_method_warning, :deprecated_method, "You are calling deprecated method").tap do |message|
assert_match(/is deprecated and will be removed from Rails/, message)
end
end
def test_custom_gem_name
deprecator = ActiveSupport::Deprecation.new("2.0", "Custom")
deprecator.send(:deprecated_method_warning, :deprecated_method, "You are calling deprecated method").tap do |message|
assert_match(/is deprecated and will be removed from Custom/, message)
end
end
private
def deprecator_with_messages
klass = Class.new(ActiveSupport::Deprecation)
deprecator = klass.new
deprecator.behavior = Proc.new { |message, callstack| deprecator.messages << message }
def deprecator.messages
@messages ||= []
end
deprecator
end
end