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#
# Author:: Serdar Sutay (<serdar@opscode.com>)
# Copyright:: Copyright (c) 2013 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "spec_helper"
require "chef/deprecation/warnings"
describe Chef::Deprecation do
# Support code for Chef::Deprecation
def self.class_from_string(str)
str.split("::").inject(Object) do |mod, class_name|
mod.const_get(class_name)
end
end
module DeprecatedMethods
def deprecated_method(value)
@value = value
end
def get_value
@value
end
end
class TestClass
extend Chef::Deprecation::Warnings
include DeprecatedMethods
add_deprecation_warnings_for(DeprecatedMethods.instance_methods)
end
method_snapshot_file = File.join(CHEF_SPEC_DATA, "file-providers-method-snapshot-chef-11-4.json")
method_snapshot = Chef::JSONCompat.parse(File.open(method_snapshot_file).read())
method_snapshot.each do |class_name, old_methods|
class_object = class_from_string(class_name)
current_methods = class_object.public_instance_methods.map(&:to_sym)
it "defines all methods on #{class_object} that were available in 11.0" do
old_methods.each do |old_method|
expect(current_methods).to include(old_method.to_sym)
end
end
end
context "when Chef::Config[:treat_deprecation_warnings_as_errors] is off" do
before do
Chef::Config[:treat_deprecation_warnings_as_errors] = false
end
context "deprecation warning messages" do
RSpec::Matchers.define_negated_matcher :a_non_empty_array, :be_empty
it "should be enabled for deprecated methods" do
expect(Chef::Log).to receive(:warn).with(a_non_empty_array)
TestClass.new.deprecated_method(10)
end
it "should contain stack trace" do
expect(Chef::Log).to receive(:warn).with(a_string_including(".rb"))
TestClass.new.deprecated_method(10)
end
end
it "deprecated methods should still be called" do
test_instance = TestClass.new
test_instance.deprecated_method(10)
expect(test_instance.get_value).to eq(10)
end
end
it "should raise when deprecation warnings are treated as errors" do
# rspec should set this
expect(Chef::Config[:treat_deprecation_warnings_as_errors]).to be true
test_instance = TestClass.new
expect { test_instance.deprecated_method(10) }.to raise_error(Chef::Exceptions::DeprecatedFeatureError)
end
context "When a class has deprecated_attr, _reader and _writer" do
before(:context) do
class DeprecatedAttrTest
extend Chef::Mixin::Deprecation
def initialize
@a = @r = @w = 1
end
deprecated_attr :a, "a"
deprecated_attr_reader :r, "r"
deprecated_attr_writer :w, "w"
end
end
it "The deprecated_attr emits warnings" do
test = DeprecatedAttrTest.new
expect { test.a = 10 }.to raise_error(Chef::Exceptions::DeprecatedFeatureError)
expect { test.a }.to raise_error(Chef::Exceptions::DeprecatedFeatureError)
end
it "The deprecated_attr_writer emits warnings, and does not create a reader" do
test = DeprecatedAttrTest.new
expect { test.w = 10 }.to raise_error(Chef::Exceptions::DeprecatedFeatureError)
expect { test.w }.to raise_error(NoMethodError)
end
it "The deprecated_attr_reader emits warnings, and does not create a writer" do
test = DeprecatedAttrTest.new
expect { test.r = 10 }.to raise_error(NoMethodError)
expect { test.r }.to raise_error(Chef::Exceptions::DeprecatedFeatureError)
end
context "With deprecation warnings not throwing exceptions" do
before do
Chef::Config[:treat_deprecation_warnings_as_errors] = false
end
it "The deprecated_attr can be written to and read from" do
test = DeprecatedAttrTest.new
test.a = 10
expect(test.a).to eq 10
end
it "The deprecated_attr_reader can be read from" do
test = DeprecatedAttrTest.new
expect(test.r).to eq 1
end
it "The deprecated_attr_writer can be written to" do
test = DeprecatedAttrTest.new
test.w = 10
expect(test.instance_eval { @w }).to eq 10
end
end
end
end
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