update if statement

Author: tgauth

dsc/tests/dsc_discovery.tests.ps1

@@ -51,4 +51,20 @@ Describe 'tests for resource discovery' {
         $resources.Count | Should -Be 1
         $resources.type | Should -BeExactly 'DSC/TestYamlResource'
     }
+
+    It 'does not support discovering a file with an extension that is not json or yaml' {
+        param($extension)
+
+        $resourceInput = @'
+        $schema: https://raw.githubusercontent.com/PowerShell/DSC/main/schemas/2023/08/bundled/resource/manifest.json
+        type: DSC/TestYamlResource
+        version: 0.1.0
+        get:
+          executable: dsc
+'@
+
+        Set-Content -Path "$testdrive/test.dsc.resource.txt" -Value $resourceInput
+        $resources = dsc resource list | ConvertFrom-Json
+        $resources.Count | Should -Be 0
+    }
 }

dsc_lib/src/discovery/command_discovery.rs

@@ -52,9 +52,9 @@ impl CommandDiscovery {
                     if path.is_file() {
                         let file_name = path.file_name().unwrap().to_str().unwrap();
                         let file_name_lowercase = file_name.to_lowercase();
-                        if file_name_lowercase.ends_with(".dsc.resource.json") |
-                        file_name_lowercase.ends_with(".dsc.resource.yaml") |
-                        file_name_lowercase.ends_with(".dsc.resource.yml") {
+                        if file_name_lowercase.ends_with(".dsc.resource.json") ||
+                           file_name_lowercase.ends_with(".dsc.resource.yaml") ||
+                           file_name_lowercase.ends_with(".dsc.resource.yml") {
                             let resource = match load_manifest(&path)
                             {
                                 Ok(r) => r,