Class DeprecationTest < ActiveSupport::TestCase

# File activesupport/test/deprecation_test.rb, line 293
def initialize(deprecator)
  @request = ActiveSupport::Deprecation::DeprecatedInstanceVariableProxy.new(self, :request, :@request, deprecator)
  @_request = :a_request
end

# File activesupport/test/deprecation_test.rb, line 328
def deprecated_method
  warn(deprecated_method_warning(:deprecated_method, "You are calling deprecated method"))
end

# File activesupport/test/deprecation_test.rb, line 333
def deprecated_method_warning(method_name, message = nil)
  message || "#{method_name} is deprecated and will be removed from This Library"
end

# File activesupport/test/deprecation_test.rb, line 257
def method
end

# File activesupport/test/deprecation_test.rb, line 298
def old_request; @request end

# File activesupport/test/deprecation_test.rb, line 297
def request; @_request end

# File activesupport/test/deprecation_test.rb, line 42
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

# File activesupport/test/deprecation_test.rb, line 51
def teardown
  ActiveSupport::Deprecation.behavior = @old_behavior
end

# File activesupport/test/deprecation_test.rb, line 180
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

# File activesupport/test/deprecation_test.rb, line 166
def test_assert_deprecated_raises_when_method_not_deprecated
  assert_raises(Minitest::Assertion) { assert_deprecated { @dtc.not } }
end

# File activesupport/test/deprecation_test.rb, line 193
def test_assert_deprecated_returns_result_of_block
  result = assert_deprecated('abc') do
    ActiveSupport::Deprecation.warn 'abc'
    123
  end
  assert_equal 123, result
end

# File activesupport/test/deprecation_test.rb, line 201
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

# File activesupport/test/deprecation_test.rb, line 174
def test_assert_deprecation_without_match
  assert_deprecated do
    @dtc.partially
  end
end

# File activesupport/test/deprecation_test.rb, line 170
def test_assert_not_deprecated
  assert_raises(Minitest::Assertion) { assert_not_deprecated { @dtc.partially } }
end

# File activesupport/test/deprecation_test.rb, line 189
def test_assert_not_deprecated_returns_result_of_block
  assert_equal 123, assert_not_deprecated { 123 }
end

# File activesupport/test/deprecation_test.rb, line 355
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

# File activesupport/test/deprecation_test.rb, line 343
def test_default_deprecation_horizon_should_always_bigger_than_current_rails_version
  assert ActiveSupport::Deprecation.new.deprecation_horizon > ActiveSupport::VERSION::STRING
end

# File activesupport/test/deprecation_test.rb, line 347
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

# File activesupport/test/deprecation_test.rb, line 139
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!'])
  }
  assert stderr_output.blank?
end

# File activesupport/test/deprecation_test.rb, line 117
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!'])
  }
  assert_match(/Some error!/, content)
  assert_match(/call stack!/, content)
end

# File activesupport/test/deprecation_test.rb, line 128
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

# File activesupport/test/deprecation_test.rb, line 319
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

# File activesupport/test/deprecation_test.rb, line 67
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

# File activesupport/test/deprecation_test.rb, line 81
def test_deprecate_object
  deprecated_object = ActiveSupport::Deprecation::DeprecatedObjectProxy.new(Object.new, ':bomb:')
  assert_deprecated(/:bomb:/) { deprecated_object.to_s }
end

# File activesupport/test/deprecation_test.rb, line 266
def test_deprecate_with_custom_deprecator
  custom_deprecator = Struct.new(:deprecation_warning).new

  assert_called_with(custom_deprecator, :deprecation_warning, [:method, nil]) do
    klass = Class.new do
      def method
      end
      deprecate :method, deprecator: custom_deprecator
    end

    klass.new.method
  end
end

# File activesupport/test/deprecation_test.rb, line 160
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

# File activesupport/test/deprecation_test.rb, line 280
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

# File activesupport/test/deprecation_test.rb, line 149
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

# File activesupport/test/deprecation_test.rb, line 156
def test_deprecated_instance_variable_proxy_shouldnt_warn_on_inspect
  assert_not_deprecated { assert_equal @dtc.request.inspect, @dtc.old_request.inspect }
end

# File activesupport/test/deprecation_test.rb, line 304
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

# File activesupport/test/deprecation_test.rb, line 289
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

# File activesupport/test/deprecation_test.rb, line 246
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

# File activesupport/test/deprecation_test.rb, line 232
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

# File activesupport/test/deprecation_test.rb, line 224
def test_deprecation_with_alternate_method
  assert_deprecated(/use e instead/) { @dtc.c }
end

# File activesupport/test/deprecation_test.rb, line 228
def test_deprecation_with_explicit_message
  assert_deprecated(/you now need to do something extra for this one/) { @dtc.d }
end

# File activesupport/test/deprecation_test.rb, line 218
def test_deprecation_without_explanation
  assert_deprecated { @dtc.a }
  assert_deprecated { @dtc.b }
  assert_deprecated { @dtc.f = :foo }
end

# File activesupport/test/deprecation_test.rb, line 55
def test_inline_deprecation_warning
  assert_deprecated(/foo=nil/) do
    @dtc.partially
  end
end

# File activesupport/test/deprecation_test.rb, line 86
def test_nil_behavior_is_ignored
  ActiveSupport::Deprecation.behavior = nil
  assert_deprecated(/foo=nil/) { @dtc.partially }
end

# File activesupport/test/deprecation_test.rb, line 104
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)
  end
  assert_equal message, e.message
  assert_equal callstack.map(&:to_s), e.backtrace.map(&:to_s)
end

# File activesupport/test/deprecation_test.rb, line 91
def test_several_behaviors
  @a, @b = nil, nil

  ActiveSupport::Deprecation.behavior = [
    Proc.new { |msg, callstack| @a = msg },
    Proc.new { |msg, callstack| @b = msg }
  ]

  @dtc.partially
  assert_match(/foo=nil/, @a)
  assert_match(/foo=nil/, @b)
end

# File activesupport/test/deprecation_test.rb, line 208
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

# File activesupport/test/deprecation_test.rb, line 61
def test_undeprecated
  assert_not_deprecated do
    assert_equal 2, @dtc.not
  end
end