Spec for deprecation.

1 files changed, 86 insertions, 0 deletions

diff --git a/spec/unit/deprecation_spec.rb b/spec/unit/deprecation_spec.rb
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+++ b/spec/unit/deprecation_spec.rb
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+#
+# Author:: Adam Jacob (<adam@opscode.com>)
+# Copyright:: Copyright (c) 2008 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
+
+  it "method snapshot before file-refactor should match current methods" do
+    method_snapshot_file = File.join(CHEF_SPEC_DATA, "file-providers-method-snapshot-chef-11-4.json")
+    method_snapshot = JSON.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
+
+      old_methods.each do |old_method|
+        if !current_methods.include?(old_method.to_sym)
+          fail "Can not find method '#{old_method.to_sym}' for class '#{class_name}'"
+        end
+      end
+    end
+  end
+
+  context 'deprecation warning messages' do
+    before(:each) do
+      @warning_output = [ ]
+      Chef::Log.stub!(:warn) { |msg| @warning_output << msg }
+    end
+
+    it 'should be enabled for deprecated methods' do
+      TestClass.new.deprecated_method(10)
+      @warning_output.should_not be_empty
+    end
+
+    it 'should contain stack trace' do
+      TestClass.new.deprecated_method(10)
+      @warning_output.join("").include?(".rb").should be_true
+    end
+  end
+
+  it 'deprecated methods should still be called' do
+    test_instance = TestClass.new
+    test_instance.deprecated_method(10)
+    test_instance.get_value.should == 10
+  end
+
+  def 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
+
+end
+