diff options
| -rw-r--r-- | spec/unit/util/dsc/resource_store.rb | 76 |
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 new file mode 100644 index 0000000000..a89e73fcaa --- /dev/null +++ b/spec/unit/util/dsc/resource_store.rb @@ -0,0 +1,76 @@ +# +# 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 |