Apply Chefstyle

Signed-off-by: Tim Smith <tsmith@chef.io>

8 files changed, 147 insertions, 142 deletions

diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..02323b3
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,8 @@
+Lint/UselessAssignment:
+  Exclude:
+    - 'lib/wmi-lite/wmi.rb'
+    - 'spec/unit/wmi_spec.rb'
+
+Lint/Void:
+  Exclude:
+    - 'spec/unit/wmi_spec.rb'
diff --git a/lib/wmi-lite.rb b/lib/wmi-lite.rb
index 8c94317..44375b3 100644
--- a/lib/wmi-lite.rb
+++ b/lib/wmi-lite.rb
@@ -16,5 +16,4 @@
 # limitations under the License.
 #
 
-require 'wmi-lite/wmi'
-
+require "wmi-lite/wmi"
diff --git a/lib/wmi-lite/wmi.rb b/lib/wmi-lite/wmi.rb
index 9f7c07c..2f54825 100644
--- a/lib/wmi-lite/wmi.rb
+++ b/lib/wmi-lite/wmi.rb
@@ -16,14 +16,14 @@
 # limitations under the License.
 #
 
-require 'win32ole' if RUBY_PLATFORM =~ /mswin|mingw32|windows/
-require 'wmi-lite/wmi_instance'
-require 'wmi-lite/wmi_exception'
+require "win32ole" if RUBY_PLATFORM =~ /mswin|mingw32|windows/
+require "wmi-lite/wmi_instance"
+require "wmi-lite/wmi_exception"
 
 module WmiLite
   class Wmi
     def initialize(namespace = nil)
-      @namespace = namespace.nil? ? 'root/cimv2' : namespace
+      @namespace = namespace.nil? ? "root/cimv2" : namespace
       @connection = nil
     end
 
@@ -38,7 +38,7 @@ module WmiLite
     def first_of(wmi_class)
       query_result = start_query("select * from #{wmi_class}", wmi_class)
       first_result = nil
-      query_result.each do | record |
+      query_result.each do |record|
         first_result = record
         break
       end
@@ -52,7 +52,7 @@ module WmiLite
 
       result_set = []
 
-      results.each do | result |
+      results.each do |result|
         result_set.push(wmi_result_to_snapshot(result))
       end
 
@@ -80,10 +80,10 @@ module WmiLite
 
     def connect_to_namespace
       if @connection.nil?
-        namespace = @namespace.nil? ? 'root/cimv2' : @namespace
+        namespace = @namespace.nil? ? "root/cimv2" : @namespace
         locator = WIN32OLE.new("WbemScripting.SWbemLocator")
         begin
-          @connection = locator.ConnectServer('.', namespace)
+          @connection = locator.ConnectServer(".", namespace)
         rescue WIN32OLERuntimeError => native_exception
           raise WmiException.new(native_exception, :ConnectServer, @namespace)
         end
diff --git a/lib/wmi-lite/wmi_exception.rb b/lib/wmi-lite/wmi_exception.rb
index 4ea3a41..7d97011 100644
--- a/lib/wmi-lite/wmi_exception.rb
+++ b/lib/wmi-lite/wmi_exception.rb
@@ -17,7 +17,7 @@
 #
 
 module WmiLite
-  class WmiException < Exception
+  class WmiException < RuntimeError
     def initialize(exception, wmi_method_context, namespace, query = nil, class_name = nil)
       error_message = exception.message
       error_code = translate_error_code(error_message)
@@ -40,7 +40,7 @@ module WmiLite
       # Parse the error to get the error status code
       error_code_match = error_message.match(/[^\:]+\:\s*([0-9A-Fa-f]{1,8}).*/)
       error_code = error_code_match.captures.first if error_code_match
-      error_code ? error_code : ''
+      error_code ? error_code : ""
     end
 
     def translate_wmi_connect_error_message(native_message, error_code, namespace)
@@ -74,4 +74,3 @@ module WmiLite
     end
   end
 end
-
diff --git a/spec/functional/wmi_spec.rb b/spec/functional/wmi_spec.rb
index cf16f44..e6bfe0e 100644
--- a/spec/functional/wmi_spec.rb
+++ b/spec/functional/wmi_spec.rb
@@ -16,101 +16,101 @@
 # limitations under the License.
 #
 
-require 'spec_helper'
+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 |
+    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)
+      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
+  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
 
-    describe 'when the namespace is invalid' do
-      it_behaves_like 'an invalid namespace'
+    describe "when the namespace is invalid" do
+      it_behaves_like "an invalid namespace"
     end
   end
 
-  shared_examples_for 'an invalid query' do
-    it 'should raise an exception' do
+  shared_examples_for "an invalid query" do
+    it "should raise an exception" do
       expect { wmi.send(query_method, wmi_query) }.to raise_error(WmiLite::WmiException)
     end
   end
 
-  shared_examples_for 'an invalid namespace' do
-    it 'should raise an exception if an invalid namespace is specified' do
-      invalid_wmi = WmiLite::Wmi.new('root/notvalid')
+  shared_examples_for "an invalid namespace" do
+    it "should raise an exception if an invalid namespace is specified" do
+      invalid_wmi = WmiLite::Wmi.new("root/notvalid")
       expect { invalid_wmi.send(query_method, wmi_query) }.to raise_error(WmiLite::WmiException)
     end
   end
 
-  shared_examples_for 'a valid WMI query' do
-    let(:wmi_class) { 'Win32_LogicalDisk' }
-    it_behaves_like 'a valid WMI query result'
+  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_ComputerSystem" }
+    it_behaves_like "a valid WMI query result"
 
-    let(:wmi_class) { 'Win32_Process' }
-    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'
+    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
+  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(: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'
+      it_behaves_like "a valid WMI query"
     end
 
-    context 'using instances_of' do
+    context "using instances_of" do
       let(:query_method) { :instances_of }
-      it_behaves_like 'a valid WMI query'
+      it_behaves_like "a valid WMI query"
     end
 
-    context 'using query' do
+    context "using query" do
       let(:wmi_query) { "select * from #{wmi_class}" }
       let(:query_method) { :query }
-      it_behaves_like 'a valid WMI query'
+      it_behaves_like "a valid WMI query"
     end
   end
 
-  context 'when making invalid queries' do
+  context "when making invalid queries" do
     let(:namespace) { nil }
 
-    let(:wmi_query) { 'invalidclass' }
+    let(:wmi_query) { "invalidclass" }
     let(:query_method) { :first_of }
-    it_behaves_like 'an invalid query'
+    it_behaves_like "an invalid query"
 
     let(:query_method) { :instances_of }
-    it_behaves_like 'an invalid query'
+    it_behaves_like "an invalid query"
 
     let(:query_method) { :query }
-    let(:wmi_query) { 'nosql_4_life' }
-    it_behaves_like 'an invalid query'
+    let(:wmi_query) { "nosql_4_life" }
+    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')
+  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 = {}
 
@@ -119,15 +119,15 @@ describe WmiLite::Wmi, :windows_only do
       # 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']
+      ignore = { "path" => true, "pathext" => true, "processor_architecture" => true, "psmodulepath" => true, "username" => true }
+      results.each do |result|
+        if ! variables.key?(result["name"]) || result["username"] != "<SYSTEM>"
+          variables[result["name"]] = result["variablevalue"]
         end
       end
 
       verified_count = 0
-      variables.each_pair do | name, value |
+      variables.each_pair do |name, value|
         if ignore[name.downcase] != true
 
           # Turn %SYSTEMROOT% into c:\windows
@@ -146,10 +146,10 @@ describe WmiLite::Wmi, :windows_only do
   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']
+  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)
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 58036cc..762363c 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,11 +1,10 @@
 # $:.unshift File.expand_path('../../lib', __FILE__)
-require 'rspec'
-require 'wmi-lite'
+require "rspec"
+require "wmi-lite"
 
 RSpec.configure do |config|
   config.include(RSpec::Matchers)
-  config.filter_run :focus => true
-  config.filter_run_excluding :windows_only => true if ! (RUBY_PLATFORM =~ /mswin|mingw32|windows/)
+  config.filter_run focus: true
+  config.filter_run_excluding windows_only: true unless RUBY_PLATFORM =~ /mswin|mingw32|windows/
   config.run_all_when_everything_filtered = true
 end
-
diff --git a/spec/unit/wmi_spec.rb b/spec/unit/wmi_spec.rb
index a116ec9..3ee3805 100644
--- a/spec/unit/wmi_spec.rb
+++ b/spec/unit/wmi_spec.rb
@@ -16,37 +16,37 @@
 # limitations under the License.
 #
 
-require 'spec_helper'
+require "spec_helper"
 
 describe WmiLite::Wmi do
 
-  let(:wbem_locator) { double 'WIN32OLE', :ConnectServer => wbem_connection }
-  let(:wmi_query_instance1) { double 'Wmi::Instance', :wmi_ole_object => native_query_instance1, :[] => native_properties1 }
-  let(:wmi_query_instance2) { double 'Wmi::Instance', :wmi_ole_object => native_query_instance2, :[] => native_properties2 }
+  let(:wbem_locator) { double "WIN32OLE", ConnectServer: wbem_connection }
+  let(:wmi_query_instance1) { double "Wmi::Instance", :wmi_ole_object => native_query_instance1, :[] => native_properties1 }
+  let(:wmi_query_instance2) { double "Wmi::Instance", :wmi_ole_object => native_query_instance2, :[] => native_properties2 }
   let(:wmi_query_result1)  { [ wmi_query_instance1 ].to_enum }
   let(:wmi_query_result2)  { [ wmi_query_instance1, wmi_query_instance2 ].to_enum }
   let(:native_query_result1)  { [ native_query_instance1 ].to_enum }
   let(:native_query_result2)  { [ native_query_instance1, native_query_instance2 ].to_enum }
   let(:wmi_query_result_empty)  { [].to_enum }
-  let(:native_properties1) { wmi_properties1.map { | property, value |  double 'WIN32OLE', :name => property } }
-  let(:native_properties2) { wmi_properties2.map { | property, value |  double 'WIN32OLE', :name => property } }
-  let(:native_query_instance1) { double 'WIN32OLE', :properties_ => native_properties1, :invoke => 'value1' }
-  let(:native_query_instance2) { double 'WIN32OLE', :properties_ => native_properties2, :invoke => 'value2' }
-  let(:wbem_connection) { double 'WIN32OLE', :ExecQuery => native_query_result }
+  let(:native_properties1) { wmi_properties1.map { |property, value|  double "WIN32OLE", name: property } }
+  let(:native_properties2) { wmi_properties2.map { |property, value|  double "WIN32OLE", name: property } }
+  let(:native_query_instance1) { double "WIN32OLE", properties_: native_properties1, invoke: "value1" }
+  let(:native_query_instance2) { double "WIN32OLE", properties_: native_properties2, invoke: "value2" }
+  let(:wbem_connection) { double "WIN32OLE", ExecQuery: native_query_result }
 
   def validate_query_result(actual, expected)
     expect(actual.count).to eql(expected.count)
 
     index = 0
 
-    expected.each do | expected_value |
+    expected.each do |expected_value|
       actual_value = actual[index]
       expected_value.wmi_ole_object.invoke == actual_value.wmi_ole_object.invoke
-      expected_value.wmi_ole_object.properties_.each do | expected_property |
+      expected_value.wmi_ole_object.properties_.each do |expected_property|
 
         expect(actual_value[expected_property.name]).not_to eql(nil)
 
-        names = actual_value.wmi_ole_object.properties_.map { | property | property.name }
+        names = actual_value.wmi_ole_object.properties_.map(&:name)
 
         expect(names.include?(expected_property.name)).to eql(true)
 
@@ -56,9 +56,9 @@ describe WmiLite::Wmi do
   end
 
   before(:each) do
-    stub_const('WIN32OLE', Class.new)
+    stub_const("WIN32OLE", Class.new)
     WIN32OLE.stub(:new).with("WbemScripting.SWbemLocator").and_return(wbem_locator)
-    stub_const('WIN32OLERuntimeError', Class.new(Exception))
+    stub_const("WIN32OLERuntimeError", Class.new(RuntimeError))
   end
 
   let(:wmi) { WmiLite::Wmi.new }
@@ -66,21 +66,21 @@ describe WmiLite::Wmi do
   let(:native_query_result) { [].to_enum }
 
   it "should not fail with empty query results" do
-    results = wmi.query('')
+    results = wmi.query("")
     result_count = 0
-    results.each { | result | result_count += 1 }
+    results.each { |result| result_count += 1 }
 
     expect( result_count ).to eq(0)
   end
 
   shared_examples_for "the first_of method" do
 
-    let(:wmi_properties1) { { 'cores' => 4, 'name' => 'mycomputer1', 'diskspace' => 400, 'os' => 'windows' } }
-    let(:wmi_properties2) { { 'cores' => 2, 'name' => 'mycomputer2', 'bios' => 'ami', 'os' => 'windows' } }
+    let(:wmi_properties1) { { "cores" => 4, "name" => "mycomputer1", "diskspace" => 400, "os" => "windows" } }
+    let(:wmi_properties2) { { "cores" => 2, "name" => "mycomputer2", "bios" => "ami", "os" => "windows" } }
     let(:native_query_result) { [].to_enum }
 
     it "should not fail with empty query results" do
-      results = wmi.first_of('vm')
+      results = wmi.first_of("vm")
       expect( results ).to eq(nil)
     end
 
@@ -89,7 +89,7 @@ describe WmiLite::Wmi do
       let(:native_query_result) { native_query_result1 }
 
       it "should get one instance" do
-        results = wmi.first_of('vm')
+        results = wmi.first_of("vm")
         expected_result = WmiLite::Wmi::Instance.new(native_query_result.first)
         validate_query_result([results], [expected_result])
       end
@@ -100,7 +100,7 @@ describe WmiLite::Wmi do
       let(:native_query_result) { native_query_result2 }
 
       it "should get one instance" do
-        results = wmi.first_of('vm')
+        results = wmi.first_of("vm")
         expected_result = WmiLite::Wmi::Instance.new(native_query_result.first)
         validate_query_result([results], [expected_result])
       end
@@ -110,12 +110,12 @@ describe WmiLite::Wmi do
 
   shared_examples_for "the instances_of method" do
 
-    let(:wmi_properties1) { { 'cores' => 4, 'name' => 'mycomputer1', 'diskspace' => 400, 'os' => 'windows' } }
-    let(:wmi_properties2) { { 'cores' => 2, 'name' => 'mycomputer2', 'bios' => 'ami', 'os' => 'windows' } }
+    let(:wmi_properties1) { { "cores" => 4, "name" => "mycomputer1", "diskspace" => 400, "os" => "windows" } }
+    let(:wmi_properties2) { { "cores" => 2, "name" => "mycomputer2", "bios" => "ami", "os" => "windows" } }
     let(:native_query_result) { [].to_enum }
 
     it "should not fail with empty query results" do
-      results = wmi.instances_of('vm')
+      results = wmi.instances_of("vm")
       expect( results ).to eq([])
     end
 
@@ -124,9 +124,9 @@ describe WmiLite::Wmi do
       let(:native_query_result) { native_query_result1 }
 
       it "should get one instance" do
-        results = wmi.instances_of('vm')
+        results = wmi.instances_of("vm")
         index = 0
-        expected_result = results.map do | result |
+        expected_result = results.map do |result|
           WmiLite::Wmi::Instance.new(result.wmi_ole_object)
         end
         validate_query_result(results, expected_result)
@@ -138,9 +138,9 @@ describe WmiLite::Wmi do
       let(:native_query_result) { native_query_result2 }
 
       it "should get one instance" do
-        results = wmi.instances_of('vm')
+        results = wmi.instances_of("vm")
         index = 0
-        expected_result = results.map do | result |
+        expected_result = results.map do |result|
           WmiLite::Wmi::Instance.new(result.wmi_ole_object)
         end
         validate_query_result(results, expected_result)
@@ -149,15 +149,15 @@ describe WmiLite::Wmi do
 
   end
 
-  shared_examples_for 'an invalid query' do
-    let(:unparseable_error) { 'unparseableerror' }
-    it 'should raise an exception' do
+  shared_examples_for "an invalid query" do
+    let(:unparseable_error) { "unparseableerror" }
+    it "should raise an exception" do
       wbem_connection.should_receive(:ExecQuery).and_raise(WIN32OLERuntimeError)
       wmi_service = WmiLite::Wmi.new
       expect { wmi_service.send(query_method, wmi_query) }.to raise_error(WmiLite::WmiException)
     end
 
-    it 'should raise an exception that ends with the original exception message' do
+    it "should raise an exception that ends with the original exception message" do
       wbem_connection.should_receive(:ExecQuery).and_raise(WIN32OLERuntimeError.new(unparseable_error))
       wmi_service = WmiLite::Wmi.new
       error_message = nil
@@ -177,15 +177,15 @@ describe WmiLite::Wmi do
     end
   end
 
-  shared_examples_for 'an invalid namespace' do
-    let(:unparseable_error) { 'unparseableerror' }
-    it 'should raise an exception' do
+  shared_examples_for "an invalid namespace" do
+    let(:unparseable_error) { "unparseableerror" }
+    it "should raise an exception" do
       wbem_locator.should_receive(:ConnectServer).and_raise(WIN32OLERuntimeError)
-      wmi_service = WmiLite::Wmi.new('notavalidnamespace')
+      wmi_service = WmiLite::Wmi.new("notavalidnamespace")
       expect { wmi_service.send(query_method, wmi_query) }.to raise_error(WmiLite::WmiException)
     end
 
-    it 'should raise an exception that starts with the original exception message' do
+    it "should raise an exception that starts with the original exception message" do
       wbem_locator.should_receive(:ConnectServer).and_raise(WIN32OLERuntimeError.new(unparseable_error))
       wmi_service = WmiLite::Wmi.new
       error_message = nil
@@ -205,12 +205,12 @@ describe WmiLite::Wmi do
 
   shared_examples_for "the query method" do
 
-    let(:wmi_properties1) { { 'cores' => 4, 'name' => 'mycomputer1', 'diskspace' => 400, 'os' => 'windows' } }
-    let(:wmi_properties2) { { 'cores' => 2, 'name' => 'mycomputer2', 'bios' => 'ami', 'os' => 'windows' } }
+    let(:wmi_properties1) { { "cores" => 4, "name" => "mycomputer1", "diskspace" => 400, "os" => "windows" } }
+    let(:wmi_properties2) { { "cores" => 2, "name" => "mycomputer2", "bios" => "ami", "os" => "windows" } }
     let(:native_query_result) { [].to_enum }
 
     it "should not fail with empty query results" do
-      results = wmi.query('vm')
+      results = wmi.query("vm")
       expect( results ).to eq([])
     end
 
@@ -219,9 +219,9 @@ describe WmiLite::Wmi do
       let(:native_query_result) { native_query_result1 }
 
       it "should get one instance" do
-        results = wmi.query('vm')
+        results = wmi.query("vm")
         index = 0
-        expected_result = results.map do | result |
+        expected_result = results.map do |result|
           WmiLite::Wmi::Instance.new(result.wmi_ole_object)
         end
         validate_query_result(results, expected_result)
@@ -233,9 +233,9 @@ describe WmiLite::Wmi do
       let(:native_query_result) { native_query_result2 }
 
       it "should get one instance" do
-        results = wmi.query('vm')
+        results = wmi.query("vm")
         index = 0
-        expected_result = results.map do | result |
+        expected_result = results.map do |result|
           WmiLite::Wmi::Instance.new(result.wmi_ole_object)
         end
         validate_query_result(results, expected_result)
@@ -248,7 +248,7 @@ describe WmiLite::Wmi do
     it "should not connect to WMI in the constructor" do
       WmiLite::Wmi.any_instance.should_not_receive(:connect_to_namespace)
       wmi_service_nil_namespace = WmiLite::Wmi.new
-      wmi_service_explicit_namespace = WmiLite::Wmi.new('root/cimv2')
+      wmi_service_explicit_namespace = WmiLite::Wmi.new("root/cimv2")
     end
   end
 
@@ -258,32 +258,32 @@ describe WmiLite::Wmi do
       wmi_service = WmiLite::Wmi.new
 
       # Make a lot of queries to be sure the connection is only created once
-      wmi_service.query('select * from Win32_Process')
-      wmi_service.query('select * from Win32_Process')
-      wmi_service.instances_of('Win32_Processor')
-      wmi_service.instances_of('Win32_Processor')
-      wmi_service.first_of('Win32_Group')
-      wmi_service.first_of('Win32_Group')
+      wmi_service.query("select * from Win32_Process")
+      wmi_service.query("select * from Win32_Process")
+      wmi_service.instances_of("Win32_Processor")
+      wmi_service.instances_of("Win32_Processor")
+      wmi_service.first_of("Win32_Group")
+      wmi_service.first_of("Win32_Group")
     end
   end
 
-  context 'when making invalid queries' do
+  context "when making invalid queries" do
     let(:namespace) { nil }
 
-    let(:wmi_query) { 'invalidclass' }
+    let(:wmi_query) { "invalidclass" }
     let(:query_method) { :first_of }
 
-    it_behaves_like 'an invalid query'
-    it_behaves_like 'an invalid namespace'
+    it_behaves_like "an invalid query"
+    it_behaves_like "an invalid namespace"
 
     let(:query_method) { :instances_of }
-    it_behaves_like 'an invalid query'
-    it_behaves_like 'an invalid namespace'
+    it_behaves_like "an invalid query"
+    it_behaves_like "an invalid namespace"
 
     let(:query_method) { :query }
-    let(:wmi_query) { 'nosql_4_life' }
-    it_behaves_like 'an invalid query'
-    it_behaves_like 'an invalid namespace'
+    let(:wmi_query) { "nosql_4_life" }
+    it_behaves_like "an invalid query"
+    it_behaves_like "an invalid namespace"
   end
 
   it_should_behave_like "the first_of method"
diff --git a/wmi-lite.gemspec b/wmi-lite.gemspec
index 771a57d..716683c 100644
--- a/wmi-lite.gemspec
+++ b/wmi-lite.gemspec
@@ -1,23 +1,23 @@
 # coding: utf-8
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'wmi-lite/version'
+require "wmi-lite/version"
 
 Gem::Specification.new do |spec|
-  spec.name          = 'wmi-lite'
+  spec.name          = "wmi-lite"
   spec.version       = WmiLite::VERSION
-  spec.authors       = ['Adam Edwards']
-  spec.email         = ['dev@chef.io']
-  spec.description   = 'A lightweight utility over win32ole for accessing basic ' \
-                       'WMI (Windows Management Instrumentation) functionality ' \
-                       'in the Microsoft Windows operating system. It has no '  \
-                       'runtime dependencies other than Ruby, so it can be used ' \
-                       'without concerns around dependency issues.'
-  spec.summary       = 'A lightweight utility library for accessing basic WMI '     \
-                       '(Windows Management Instrumentation) functionality on Windows'
-  spec.homepage      = 'https://github.com/chef/wmi-lite'
-  spec.license       = 'Apache-2.0'
+  spec.authors       = ["Adam Edwards"]
+  spec.email         = ["dev@chef.io"]
+  spec.description   = "A lightweight utility over win32ole for accessing basic " \
+                       "WMI (Windows Management Instrumentation) functionality " \
+                       "in the Microsoft Windows operating system. It has no "  \
+                       "runtime dependencies other than Ruby, so it can be used " \
+                       "without concerns around dependency issues."
+  spec.summary       = "A lightweight utility library for accessing basic WMI "     \
+                       "(Windows Management Instrumentation) functionality on Windows"
+  spec.homepage      = "https://github.com/chef/wmi-lite"
+  spec.license       = "Apache-2.0"
 
   spec.files         = %w{LICENSE} + Dir.glob("lib/**/*")
-  spec.require_paths = ['lib']
+  spec.require_paths = ["lib"]
 end