Implement tests for software-report-module (#6815)

* Minor improvements

* fix typos

* fix brew rendering

* add temp test

* Implement tests

* Add arguments validation

* ToMarkdown()

* Use before-All and helpers

* Get rid of arrays

* Add validation, no new nodes after header

* Fix naming

* add workflow

* Revisit comments + tiny improvements

* Fix tables

* Fix html table indent

* remove comment

* attemp to break test - testing CI

* revert breaking test

* fix nitpicks

helpers/software-report-base/SoftwareReport.BaseNodes.psm1

@@ -8,6 +8,14 @@ class BaseNode {
         return $false
     }
 
+    [String] ToMarkdown() {
+        return $this.ToMarkdown(1)
+    }
+
+    [String] ToMarkdown([Int32] $Level) {
+        throw "Abtract method 'ToMarkdown(level)' is not implemented for '$($this.GetType().Name)'"
+    }
+
     [Boolean] IsSimilarTo([BaseNode] $OtherNode) {
         throw "Abtract method 'IsSimilarTo' is not implemented for '$($this.GetType().Name)'"
     }
@@ -19,6 +27,7 @@ class BaseNode {
 
 # Abstract base class for all nodes that describe a tool and should be rendered inside diff table
 class BaseToolNode: BaseNode {
+    [ValidateNotNullOrEmpty()]
     [String] $ToolName
 
     BaseToolNode([String] $ToolName) {