fix 569 (#573)

Author: bmoore-msft

arm-ttk/testcases/deploymentTemplate/URIs-Should-Be-Properly-Constructed.test.ps1

@@ -22,15 +22,14 @@ foreach ($found in $foundObjects) { # Walk over each found object
     foreach ($prop in $found.psobject.properties) { # then walk thru each property
         if ($prop.Name -notmatch 'ur[il]$') { continue } # skipping ones that are not uri/url
         if (-not $prop.value | ?<ARM_Template_Expression>) { continue } # and ones that do not contain an expression.
-        
-
 
         # If the value contained expressions, but not the function uri
         $foundBadFunction = $prop.Value | ?<ARM_Template_Function> -FunctionName ($FunctionNotAllowedInUri -join '|')
         $foundUriFunction = $prop.Value | ?<ARM_Template_Function> -FunctionName uri
+
         if (
             ($foundBadFunction -and -not $foundUriFunction) -or 
-            $foundBadFunction.Index -lt $foundUriFunction.Index
+            ($foundBadFunction.Index -lt $foundUriFunction.Index -and $foundBadFunction)
         ) {
             Write-Error "Function'$($foundBadFunction.Groups['FunctionName'].Value)' found within '$($prop.Name)" -TargetObject $found -ErrorId "URI.Improperly.Constructed"
         }

unit-tests/URIs-Should-Be-Properly-Constructed/Pass/Concat-in-URL.json

@@ -1,9 +1,15 @@
 {
-"$schema":  "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
-    "outputs": {
-        "ServerUrl": {
-          "type": "string",
-          "value": "[uri(concat('http://', reference(variables('publicIPAddressName')).dnsSettings.fqdn), 'somepath')]"
-        }
+  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
+  "contentVersion": "1.0.0.0",
+  "resources": [],
+  "outputs": {
+    "ServerUrl": {
+      "type": "string",
+      "value": "[uri(concat('http://', reference(variables('publicIPAddressName')).dnsSettings.fqdn), 'somepath')]"
+    },
+    "otherUri": {
+      "type": "string",
+      "value": "[uri(reference(resourceId('Microsoft.KeyVault/vaults/keys', 'keyVaultName', 'keyName'), '2021-06-01-preview').keyUri, 'blah')]"
     }
+  }
 }