1 files changed, 85 insertions, 0 deletions
diff --git a/spec/unit/dsl/resources_spec.rb b/spec/unit/dsl/resources_spec.rb
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+++ b/spec/unit/dsl/resources_spec.rb
@@ -0,0 +1,85 @@
+#
+# Author:: Noah Kantrowitz (<noah@coderanger.net>)
+# Copyright:: Copyright (c) 2015 Noah Kantrowitz
+# 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/dsl/resources'
+
+describe Chef::DSL::Resources do
+  let(:declared_resources) { [] }
+  let(:test_class) do
+    r = declared_resources
+    Class.new do
+      include Chef::DSL::Resources
+      define_method(:declare_resource) do |dsl_name, name, _created_at, &_block|
+        r << [dsl_name, name]
+      end
+    end
+  end
+  subject { declared_resources }
+  after do
+    # Always clean up after ourselves.
+    described_class.remove_resource_dsl(:test_resource)
+  end
+
+  context 'with a resource added' do
+    before do
+      Chef::DSL::Resources.add_resource_dsl(:test_resource)
+      test_class.new.instance_eval do
+        test_resource 'test_name' do
+        end
+      end
+    end
+    it { is_expected.to eq [[:test_resource, 'test_name']]}
+  end
+
+  context 'with no resource added' do
+    subject do
+      test_class.new.instance_eval do
+        test_resource 'test_name' do
+        end
+      end
+    end
+
+    it { expect { subject }.to raise_error NoMethodError }
+  end
+
+  context 'with a resource added and removed' do
+    before do
+      Chef::DSL::Resources.add_resource_dsl(:test_resource)
+      Chef::DSL::Resources.remove_resource_dsl(:test_resource)
+    end
+    subject do
+      test_class.new.instance_eval do
+        test_resource 'test_name' do
+        end
+      end
+    end
+
+    it { expect { subject }.to raise_error NoMethodError }
+  end
+
+  context 'with a nameless resource' do
+    before do
+      Chef::DSL::Resources.add_resource_dsl(:test_resource)
+      test_class.new.instance_eval do
+        test_resource { }
+      end
+    end
+    it { is_expected.to eq [[:test_resource, nil]]}
+  end
+end