Adding Search-PipeScript tests

Author: James Brundage

Search-PipeScript.tests.ps1

@@ -0,0 +1,29 @@
+describe Search-PipeScript {
+    context 'Searching PowerShell' {
+        it 'Can search for AST types within a ScriptBlock' {
+            {
+                "hello world $message"
+            } | Search-PipeScript -AstType variable | 
+                Select-Object -ExpandProperty Result |
+                Should -Be '$message'
+        }
+
+        it 'Can search within an AST' {
+            {
+                "hello world $message"
+            }.Ast |
+                Search-PipeScript -AstType variable |
+                Select-Object -ExpandProperty result |
+                Should -Be '$message'
+        }
+    }
+
+    context 'Searching text' {
+        it 'Can search text, too' {
+            '123' | 
+                Search-PipeScript -RegularExpression '\d+' | 
+                Select-Object -ExpandProperty Result |
+                Should -Be '123'
+        } 
+    }
+}