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Diffstat (limited to 'spec/functional/wmi_spec.rb')
-rw-r--r-- | spec/functional/wmi_spec.rb | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/spec/functional/wmi_spec.rb b/spec/functional/wmi_spec.rb new file mode 100644 index 0000000..5d4ecf7 --- /dev/null +++ b/spec/functional/wmi_spec.rb @@ -0,0 +1,148 @@ +# +# Author:: Adam Edwards (<adamed@getchef.com>) +# +# Copyright:: 2014, Chef Software, Inc. +# +# 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' + +describe WmiLite::Wmi, :windows_only do + let(:wmi) { WmiLite::Wmi.new(namespace) } + + def validate_wmi_results(results, class_name) + result_collection = cardinality_transform.call(results) + result_collection.each do | result | + # make sure the class name of the instance is what we asked for + expect(result['creationclassname'].downcase).to eql(class_name.downcase) + end + end + + shared_examples_for 'a valid WMI query result' do + it 'should successfully return multiple results' do + query_parameter = wmi_query.nil? ? wmi_class : wmi_query + results = wmi.send(query_method, query_parameter) + validate_wmi_results(results, wmi_class) + end + end + + shared_examples_for 'an invalid query' do + it 'should raise an exception if an invalid namespace is specified' do + expect { invalid_wmi = WmiLite::Wmi.new('root/notvalid') }.to raise_error + end + + it 'should raise an exception if an invalid class is specified' do + expect { wmi.send(query_method, wmi_query) }.to raise_error + end + end + + shared_examples_for 'a valid WMI query' do + let(:wmi_class) { 'Win32_LogicalDisk' } + it_behaves_like 'a valid WMI query result' + + let(:wmi_class) { 'Win32_ComputerSystem' } + it_behaves_like 'a valid WMI query result' + + let(:wmi_class) { 'Win32_Process' } + it_behaves_like 'a valid WMI query result' + + context 'that return 0 results' do + let(:wmi_class) { 'Win32_TapeDrive' } + it_behaves_like 'a valid WMI query result' + end + end + + context 'when making valid queries' do + let(:namespace) { nil } + let(:wmi_query) { nil } + let(:cardinality_transform) { lambda{|x| x} } + context 'using first_of' do + let(:cardinality_transform) { lambda{|x| x.nil? ? [] : [x] } } + let(:query_method) { :first_of } + it_behaves_like 'a valid WMI query' + end + + context 'using instances_of' do + let(:query_method) { :instances_of } + it_behaves_like 'a valid WMI query' + end + + context 'using query' do + let(:wmi_query) { "select * from #{wmi_class}" } + let(:query_method) { :query } + it_behaves_like 'a valid WMI query' + end + end + + context 'when making invalid queries' do + let(:namespace) { nil } + let(:wmi_query) { 'invalidclass' } + + let(:query_method) { :first_of } + it_behaves_like 'an invalid query' + end + + let(:namespace) { nil } + describe 'when querying Win32_Environment' do + it 'should have the same environment variables as the Ruby ENV environment hash' do + results = wmi.instances_of('Win32_Environment') + + variables = {} + + # Skip some environment variables because we can't compare them against what's in ENV. + # Path, pathext, psmodulepath are special, they ares "merged" between the user and system value. + # PROCESSOR_ARCHITECTURE is actually the real processor arch of the system, so #{ENV['processor_architecture']} will + # report X86, while WMI will (correctly) report X64. + # And username is oddly the username of the WMI service, i.e. 'SYSTEM'. + ignore = {'path' => true, 'pathext' => true, 'processor_architecture' => true, 'psmodulepath' => true, 'username' => true} + results.each do | result | + if ! variables.has_key?(result['name']) || result['username'] != '<SYSTEM>' + variables[result['name']] = result['variablevalue'] + end + end + + verified_count = 0 + variables.each_pair do | name, value | + if ignore[name.downcase] != true + + # Turn %SYSTEMROOT% into c:\windows + # so we can compare with what's in ENV + evaluated_value = `echo #{value}`.strip + + expect(evaluated_value).to eql(`echo #{ENV[name]}`.strip) + verified_count += 1 + end + end + + # There are at least 3 variables we could verify in a default + # Windows configuration, make sure we saw some + expect(verified_count).to be >= 3 + end + end + + let(:namespace) { nil } + it 'should ignore case when retrieving WMI properties' do + result = wmi.first_of('Win32_ComputerSystem') + caption_mixed = result['Caption'] + caption_lower = result['caption'] + + expect(caption_mixed.nil?).to eql(false) + expect(caption_lower.nil?).to eql(false) + + expect(caption_mixed.length).to be > 0 + expect(caption_lower.length).to be > 0 + expect(caption_mixed).to eql(caption_lower) + end + +end |