Merge branch 'DscTestsPresentRule' of github.com:KarolKaczmarek/PSScriptAnalyzer into DscTestsPresentRule

Author: KarolKaczmarek

RuleDocumentation/DscTestsPresent.md

@@ -0,0 +1,54 @@
+#DscTestsPresent
+**Severity Level: Information**
+
+
+##Description
+
+Checks that DSC tests for given resource are present.
+
+##How to Fix
+
+To fix a violation of this rule, please make sure Tests directory is present:
+* For non-class based resources it should exist at the same folder level as DSCResources folder.
+* For class based resources it should be present at the same folder level as resource psm1 file. 
+
+Tests folder should contain test script for given resource - file name should contain resource's name.
+
+##Example
+
+### Non-class based resource
+
+Let's assume we have non-class based resource with a following file structure:
+
+* xAzure
+  * DSCResources
+    * MSFT_xAzureSubscription
+      * MSFT_xAzureSubscription.psm1
+      * MSFT_xAzureSubscription.schema.mof
+
+In this case, to fix this warning, we should add tests in a following way:
+
+* xAzure
+  * DSCResources
+    * MSFT_xAzureSubscription
+      * MSFT_xAzureSubscription.psm1
+      * MSFT_xAzureSubscription.schema.mof
+  * Tests
+    * MSFT_xAzureSubscription_Tests.ps1
+
+### Class based resource
+
+Let's assume we have class based resource with a following file structure:
+
+* MyDscResource
+    * MyDscResource.psm1
+    * MyDscresource.psd1
+
+In this case, to fix this warning, we should add tests in a following way:
+
+* MyDscResource
+    * MyDscResource.psm1
+    * MyDscresource.psd1
+    * Tests
+      * MyDscResource_Tests.ps1
+