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-rw-r--r--spec/unit/util/dsc/resource_store.rb76
1 files changed, 76 insertions, 0 deletions
diff --git a/spec/unit/util/dsc/resource_store.rb b/spec/unit/util/dsc/resource_store.rb
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+#
+# Author:: Jay Mundrawala <jdm@chef.io>
+# Copyright:: Copyright (c) 2015 Chef Software, 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 'chef'
+require 'chef/util/dsc/resource_store'
+
+describe Chef::Util::DSC::ResourceStore do
+ let(:resource_store) { Chef::Util::DSC::ResourceStore.new }
+ let(:resource_a) { {
+ 'ResourceType' => 'AFoo',
+ 'Name' => 'Foo',
+ 'Module' => {'Name' => 'ModuleA'}
+ }
+ }
+
+ let(:resource_b) { {
+ 'ResourceType' => 'BFoo',
+ 'Name' => 'Foo',
+ 'Module' => {'Name' => 'ModuleB'}
+ }
+ }
+
+ context 'when resources are not cached' do
+ context 'when calling #resources' do
+ it 'returns an empty array' do
+ expect(resource_store.resources).to eql([])
+ end
+ end
+
+ context 'when calling #find' do
+ it 'returns an empty list if it cannot find any matching resources' do
+ expect(resource_store).to receive(:query_resource).and_return([])
+ expect(resource_store.find('foo')).to eql([])
+ end
+
+ it 'returns the resource if it is found (comparisons are case insensitive)' do
+ expect(resource_store).to receive(:query_resource).and_return([resource_a])
+ expect(resource_store.find('foo')).to eql([resource_a])
+ end
+
+ it 'returns multiple resoures if they are found' do
+ expect(resource_store).to receive(:query_resource).and_return([resource_a, resource_b])
+ expect(resource_store.find('foo')).to include(resource_a, resource_b)
+ end
+
+ it 'deduplicates resources by ResourceName' do
+ expect(resource_store).to receive(:query_resource).and_return([resource_a, resource_a])
+ resource_store.find('foo')
+ expect(resource_store.resources).to eq([resource_a])
+ end
+ end
+ end
+
+ context 'when resources are cached' do
+ it 'recalls resources from the cache if present' do
+ expect(resource_store).not_to receive(:query_resource)
+ expect(resource_store).to receive(:resources).and_return([resource_a])
+ resource_store.find('foo')
+ end
+ end
+end