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author | Jay Mundrawala <jdmundrawala@gmail.com> | 2015-07-01 14:41:01 -0700 |
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committer | Jay Mundrawala <jdmundrawala@gmail.com> | 2015-07-01 14:41:01 -0700 |
commit | fc93eb7730112c46a8fbb4c30dbdf3641d142870 (patch) | |
tree | 3ffb4328b2c79f0a715dbcb9a8f8ef88a9c7b6b9 | |
parent | 398df3f1961b92ee4b06a32b463b9c545851b41d (diff) | |
parent | c01d3934fb914ddbcbdff2de337d0c697785607b (diff) | |
download | chef-fc93eb7730112c46a8fbb4c30dbdf3641d142870.tar.gz |
Merge pull request #3623 from chef/jdm/simplify-lwrp1
Simplify LWRP Deprecations Proposal 1
-rw-r--r-- | lib/chef/resource.rb | 6 | ||||
-rw-r--r-- | lib/chef/resource/lwrp_base.rb | 57 | ||||
-rw-r--r-- | spec/unit/lwrp_spec.rb | 274 |
3 files changed, 153 insertions, 184 deletions
diff --git a/lib/chef/resource.rb b/lib/chef/resource.rb index 7965068037..696089fe3e 100644 --- a/lib/chef/resource.rb +++ b/lib/chef/resource.rb @@ -1499,9 +1499,11 @@ class Chef Chef::Resource.send(:remove_const, class_name) end - Chef::Resource.const_set(class_name, resource_class) + if !Chef::Config[:treat_deprecation_warnings_as_errors] + Chef::Resource.const_set(class_name, resource_class) + deprecated_constants[class_name.to_sym] = resource_class + end - deprecated_constants[class_name.to_sym] = resource_class end def self.deprecated_constants diff --git a/lib/chef/resource/lwrp_base.rb b/lib/chef/resource/lwrp_base.rb index 424efa73d9..443e0ed819 100644 --- a/lib/chef/resource/lwrp_base.rb +++ b/lib/chef/resource/lwrp_base.rb @@ -52,52 +52,17 @@ class Chef resource_name = filename_to_qualified_string(cookbook_name, filename) # We load the class first to give it a chance to set its own name - deprecated_resource_class = Class.new(self).tap do |resource_class| - resource_class.resource_name(nil) - resource_class.run_context = run_context - resource_class.instance_eval do - define_method(:initialize) do |*args, &block| - Chef::Log::deprecation("Deprecated Thing") if chef_deprecated_access - super(*args, &block) - end - define_method(:chef_deprecated_access) do - true - end - end - - resource_class.class_from_file(filename) - - # Make a useful string for the class (rather than <Class:312894723894>) - resource_class.instance_eval do - define_singleton_method(:to_s) do - "LWRP resource #{resource_name} from cookbook #{cookbook_name}" - end - define_singleton_method(:inspect) { to_s } - end - end - - resource_class = Class.new(deprecated_resource_class).tap do |resource_class| - resource_class.resource_name(resource_name.to_sym) - resource_class.run_context = run_context - resource_class.instance_eval do - define_method(:chef_deprecated_access) do - false - end - end - resource_class.class_eval do - define_singleton_method(:===) do |instance| - super(instance) || instance.class <= deprecated_resource_class - end - end - end - - deprecated_resource_class.class_eval do - define_method(:kind_of?) do |klass| - super(klass) || klass == resource_class - end - define_method(:is_a?) do |klass| - super(klass) || klass == resource_class + resource_class = Class.new(self) + resource_class.resource_name resource_name.to_sym + resource_class.run_context = run_context + resource_class.class_from_file(filename) + + # Make a useful string for the class (rather than <Class:312894723894>) + resource_class.instance_eval do + define_singleton_method(:to_s) do + "LWRP resource #{resource_name} from cookbook #{cookbook_name}" end + define_singleton_method(:inspect) { to_s } end Chef::Log.debug("Loaded contents of #{filename} into resource #{resource_name} (#{resource_class})") @@ -105,7 +70,7 @@ class Chef LWRPBase.loaded_lwrps[filename] = true # Create the deprecated Chef::Resource::LwrpFoo class - Chef::Resource.register_deprecated_lwrp_class(deprecated_resource_class, convert_to_class_name(resource_name)) + Chef::Resource.register_deprecated_lwrp_class(resource_class, convert_to_class_name(resource_name)) resource_class end diff --git a/spec/unit/lwrp_spec.rb b/spec/unit/lwrp_spec.rb index 7e2ed998b8..545524eb10 100644 --- a/spec/unit/lwrp_spec.rb +++ b/spec/unit/lwrp_spec.rb @@ -177,20 +177,6 @@ describe "LWRP" do end end - it "allows monkey patching of the lwrp through Chef::Resource" do - monkey = Module.new do - def issue_3607 - end - end - allow(Chef::Config).to receive(:[]).with(:treat_deprecation_warnings_as_errors).and_return(false) - Chef::Resource::LwrpFoo.send(:include, monkey) - expect { get_lwrp(:lwrp_foo).new("blah").issue_3607 }.not_to raise_error - end - - it "should load the resource into a properly-named class and emit a warning when it is initialized" do - expect { Chef::Resource::LwrpFoo.new('hi') }.to raise_error(Chef::Exceptions::DeprecatedFeatureError) - end - it "should be resolvable with Chef::ResourceResolver.resolve(:lwrp_foo)" do expect(Chef::ResourceResolver.resolve(:lwrp_foo, node: Chef::Node.new)).to eq(get_lwrp(:lwrp_foo)) end @@ -238,127 +224,6 @@ describe "LWRP" do expect(cls.node[:penguin_name]).to eql("jackass") end - context "resource class created" do - before do - @old_treat_deprecation_warnings_as_errors = Chef::Config[:treat_deprecation_warnings_as_errors] - Chef::Config[:treat_deprecation_warnings_as_errors] = false - end - after do - Chef::Config[:treat_deprecation_warnings_as_errors] = @old_treat_deprecation_warnings_as_errors - end - - it "should load the resource into a properly-named class" do - expect(Chef::Resource::LwrpFoo).to be_kind_of(Class) - expect(Chef::Resource::LwrpFoo <= Chef::Resource::LWRPBase).to be_truthy - end - - it "get_lwrp(:lwrp_foo).new is a Chef::Resource::LwrpFoo" do - lwrp = get_lwrp(:lwrp_foo).new('hi') - expect(lwrp.kind_of?(Chef::Resource::LwrpFoo)).to be_truthy - expect(lwrp.is_a?(Chef::Resource::LwrpFoo)).to be_truthy - expect(get_lwrp(:lwrp_foo) === lwrp).to be_truthy - expect(Chef::Resource::LwrpFoo === lwrp).to be_truthy - end - - it "Chef::Resource::LwrpFoo.new is a get_lwrp(:lwrp_foo)" do - lwrp = Chef::Resource::LwrpFoo.new('hi') - expect(lwrp.kind_of?(get_lwrp(:lwrp_foo))).to be_truthy - expect(lwrp.is_a?(get_lwrp(:lwrp_foo))).to be_truthy - expect(get_lwrp(:lwrp_foo) === lwrp).to be_truthy - expect(Chef::Resource::LwrpFoo === lwrp).to be_truthy - end - - it "works even if LwrpFoo exists in the top level" do - module ::LwrpFoo - end - expect(Chef::Resource::LwrpFoo).not_to eq(::LwrpFoo) - end - - context "with a subclass of get_lwrp(:lwrp_foo)" do - let(:subclass) do - Class.new(get_lwrp(:lwrp_foo)) - end - - it "subclass.new is a subclass" do - lwrp = subclass.new('hi') - expect(lwrp.kind_of?(subclass)).to be_truthy - expect(lwrp.is_a?(subclass)).to be_truthy - expect(subclass === lwrp).to be_truthy - expect(lwrp.class === subclass) - end - it "subclass.new is a Chef::Resource::LwrpFoo" do - lwrp = subclass.new('hi') - expect(lwrp.kind_of?(Chef::Resource::LwrpFoo)).to be_truthy - expect(lwrp.is_a?(Chef::Resource::LwrpFoo)).to be_truthy - expect(Chef::Resource::LwrpFoo === lwrp).to be_truthy - expect(lwrp.class === Chef::Resource::LwrpFoo) - end - it "subclass.new is a get_lwrp(:lwrp_foo)" do - lwrp = subclass.new('hi') - expect(lwrp.kind_of?(get_lwrp(:lwrp_foo))).to be_truthy - expect(lwrp.is_a?(get_lwrp(:lwrp_foo))).to be_truthy - expect(get_lwrp(:lwrp_foo) === lwrp).to be_truthy - expect(lwrp.class === get_lwrp(:lwrp_foo)) - end - it "Chef::Resource::LwrpFoo.new is *not* a subclass" do - lwrp = Chef::Resource::LwrpFoo.new('hi') - expect(lwrp.kind_of?(subclass)).to be_falsey - expect(lwrp.is_a?(subclass)).to be_falsey - expect(subclass === lwrp.class).to be_falsey - expect(subclass === Chef::Resource::LwrpFoo).to be_falsey - end - it "get_lwrp(:lwrp_foo).new is *not* a subclass" do - lwrp = get_lwrp(:lwrp_foo).new('hi') - expect(lwrp.kind_of?(subclass)).to be_falsey - expect(lwrp.is_a?(subclass)).to be_falsey - expect(subclass === lwrp.class).to be_falsey - expect(subclass === get_lwrp(:lwrp_foo)).to be_falsey - end - end - - context "with a subclass of Chef::Resource::LwrpFoo" do - let(:subclass) do - Class.new(Chef::Resource::LwrpFoo) - end - - it "subclass.new is a subclass" do - lwrp = subclass.new('hi') - expect(lwrp.kind_of?(subclass)).to be_truthy - expect(lwrp.is_a?(subclass)).to be_truthy - expect(subclass === lwrp).to be_truthy - expect(lwrp.class === subclass) - end - it "subclass.new is a Chef::Resource::LwrpFoo" do - lwrp = subclass.new('hi') - expect(lwrp.kind_of?(Chef::Resource::LwrpFoo)).to be_truthy - expect(lwrp.is_a?(Chef::Resource::LwrpFoo)).to be_truthy - expect(Chef::Resource::LwrpFoo === lwrp).to be_truthy - expect(lwrp.class === Chef::Resource::LwrpFoo) - end - it "subclass.new is a get_lwrp(:lwrp_foo)" do - lwrp = subclass.new('hi') - expect(lwrp.kind_of?(get_lwrp(:lwrp_foo))).to be_truthy - expect(lwrp.is_a?(get_lwrp(:lwrp_foo))).to be_truthy - expect(get_lwrp(:lwrp_foo) === lwrp).to be_truthy - expect(lwrp.class === get_lwrp(:lwrp_foo)) - end - it "Chef::Resource::LwrpFoo.new is *not* a subclass" do - lwrp = Chef::Resource::LwrpFoo.new('hi') - expect(lwrp.kind_of?(subclass)).to be_falsey - expect(lwrp.is_a?(subclass)).to be_falsey - expect(subclass === lwrp.class).to be_falsey - expect(subclass === Chef::Resource::LwrpFoo).to be_falsey - end - it "get_lwrp(:lwrp_foo).new is *not* a subclass" do - lwrp = get_lwrp(:lwrp_foo).new('hi') - expect(lwrp.kind_of?(subclass)).to be_falsey - expect(lwrp.is_a?(subclass)).to be_falsey - expect(subclass === lwrp.class).to be_falsey - expect(subclass === get_lwrp(:lwrp_foo)).to be_falsey - end - end - end - context "resource_name" do let(:klass) { Class.new(Chef::Resource::LWRPBase) } @@ -714,7 +579,144 @@ describe "LWRP" do end end - end + context "resource class created" do + before(:context) do + @tmpdir = Dir.mktmpdir("lwrp_test") + resource_path = File.join(@tmpdir, "once.rb") + IO.write(resource_path, "default_action :create") + + @old_treat_deprecation_warnings_as_errors = Chef::Config[:treat_deprecation_warnings_as_errors] + Chef::Config[:treat_deprecation_warnings_as_errors] = false + Chef::Resource::LWRPBase.build_from_file("lwrp", resource_path, nil) + end + + after(:context) do + FileUtils.remove_entry @tmpdir + Chef::Config[:treat_deprecation_warnings_as_errors] = @old_treat_deprecation_warnings_as_errors + end + + it "should load the resource into a properly-named class" do + expect(Chef::Resource::LwrpOnce).to be_kind_of(Class) + expect(Chef::Resource::LwrpOnce <= Chef::Resource::LWRPBase).to be_truthy + end + + it "get_lwrp(:lwrp_once).new is a Chef::Resource::LwrpOnce" do + lwrp = get_lwrp(:lwrp_once).new('hi') + expect(lwrp.kind_of?(Chef::Resource::LwrpOnce)).to be_truthy + expect(lwrp.is_a?(Chef::Resource::LwrpOnce)).to be_truthy + expect(get_lwrp(:lwrp_once) === lwrp).to be_truthy + expect(Chef::Resource::LwrpOnce === lwrp).to be_truthy + end + + it "Chef::Resource::LwrpOnce.new is a get_lwrp(:lwrp_once)" do + lwrp = Chef::Resource::LwrpOnce.new('hi') + expect(lwrp.kind_of?(get_lwrp(:lwrp_once))).to be_truthy + expect(lwrp.is_a?(get_lwrp(:lwrp_once))).to be_truthy + expect(get_lwrp(:lwrp_once) === lwrp).to be_truthy + expect(Chef::Resource::LwrpOnce === lwrp).to be_truthy + end + + it "works even if LwrpOnce exists in the top level" do + module ::LwrpOnce + end + expect(Chef::Resource::LwrpOnce).not_to eq(::LwrpOnce) + end + + it "allows monkey patching of the lwrp through Chef::Resource" do + monkey = Module.new do + def issue_3607 + end + end + Chef::Resource::LwrpOnce.send(:include, monkey) + expect { get_lwrp(:lwrp_once).new("blah").issue_3607 }.not_to raise_error + end + + context "with a subclass of get_lwrp(:lwrp_once)" do + let(:subclass) do + Class.new(get_lwrp(:lwrp_once)) + end + + it "subclass.new is a subclass" do + lwrp = subclass.new('hi') + expect(lwrp.kind_of?(subclass)).to be_truthy + expect(lwrp.is_a?(subclass)).to be_truthy + expect(subclass === lwrp).to be_truthy + expect(lwrp.class === subclass) + end + it "subclass.new is a Chef::Resource::LwrpOnce" do + lwrp = subclass.new('hi') + expect(lwrp.kind_of?(Chef::Resource::LwrpOnce)).to be_truthy + expect(lwrp.is_a?(Chef::Resource::LwrpOnce)).to be_truthy + expect(Chef::Resource::LwrpOnce === lwrp).to be_truthy + expect(lwrp.class === Chef::Resource::LwrpOnce) + end + it "subclass.new is a get_lwrp(:lwrp_once)" do + lwrp = subclass.new('hi') + expect(lwrp.kind_of?(get_lwrp(:lwrp_once))).to be_truthy + expect(lwrp.is_a?(get_lwrp(:lwrp_once))).to be_truthy + expect(get_lwrp(:lwrp_once) === lwrp).to be_truthy + expect(lwrp.class === get_lwrp(:lwrp_once)) + end + it "Chef::Resource::LwrpOnce.new is *not* a subclass" do + lwrp = Chef::Resource::LwrpOnce.new('hi') + expect(lwrp.kind_of?(subclass)).to be_falsey + expect(lwrp.is_a?(subclass)).to be_falsey + expect(subclass === lwrp.class).to be_falsey + expect(subclass === Chef::Resource::LwrpOnce).to be_falsey + end + it "get_lwrp(:lwrp_once).new is *not* a subclass" do + lwrp = get_lwrp(:lwrp_once).new('hi') + expect(lwrp.kind_of?(subclass)).to be_falsey + expect(lwrp.is_a?(subclass)).to be_falsey + expect(subclass === lwrp.class).to be_falsey + expect(subclass === get_lwrp(:lwrp_once)).to be_falsey + end + end + + context "with a subclass of Chef::Resource::LwrpOnce" do + let(:subclass) do + Class.new(Chef::Resource::LwrpOnce) + end + + it "subclass.new is a subclass" do + lwrp = subclass.new('hi') + expect(lwrp.kind_of?(subclass)).to be_truthy + expect(lwrp.is_a?(subclass)).to be_truthy + expect(subclass === lwrp).to be_truthy + expect(lwrp.class === subclass) + end + it "subclass.new is a Chef::Resource::LwrpOnce" do + lwrp = subclass.new('hi') + expect(lwrp.kind_of?(Chef::Resource::LwrpOnce)).to be_truthy + expect(lwrp.is_a?(Chef::Resource::LwrpOnce)).to be_truthy + expect(Chef::Resource::LwrpOnce === lwrp).to be_truthy + expect(lwrp.class === Chef::Resource::LwrpOnce) + end + it "subclass.new is a get_lwrp(:lwrp_once)" do + lwrp = subclass.new('hi') + expect(lwrp.kind_of?(get_lwrp(:lwrp_once))).to be_truthy + expect(lwrp.is_a?(get_lwrp(:lwrp_once))).to be_truthy + expect(get_lwrp(:lwrp_once) === lwrp).to be_truthy + expect(lwrp.class === get_lwrp(:lwrp_once)) + end + it "Chef::Resource::LwrpOnce.new is *not* a subclass" do + lwrp = Chef::Resource::LwrpOnce.new('hi') + expect(lwrp.kind_of?(subclass)).to be_falsey + expect(lwrp.is_a?(subclass)).to be_falsey + expect(subclass === lwrp.class).to be_falsey + expect(subclass === Chef::Resource::LwrpOnce).to be_falsey + end + it "get_lwrp(:lwrp_once).new is *not* a subclass" do + lwrp = get_lwrp(:lwrp_once).new('hi') + expect(lwrp.kind_of?(subclass)).to be_falsey + expect(lwrp.is_a?(subclass)).to be_falsey + expect(subclass === lwrp.class).to be_falsey + expect(subclass === get_lwrp(:lwrp_once)).to be_falsey + end + end + end end + + |