fix: improve path handling in tests on windows

Author: WimTibackx

packages/plugins/swr/tests/swr.test.ts

@@ -106,11 +106,13 @@ ${sharedModel}
         const { name: projectDir } = tmp.dirSync();
         fs.writeFileSync(path.join(projectDir, 'swr'), 'hello');
 
+        const swrPath = normalizePath(path.join(__dirname, '..', 'dist'));
+
         await expect(
             loadSchema(
                 `
         plugin swr {
-            provider = '${normalizePath(path.resolve(__dirname, '../dist'))}'
+            provider = '${swrPath}'
             output = '$projectRoot/swr'
         }
     
@@ -122,7 +124,7 @@ ${sharedModel}
             password String @omit
         }        
         `,
-                { pushDb: false, projectDir, extraDependencies: [`${normalizePath(path.join(__dirname, '../dist'))}`] }
+                { pushDb: false, projectDir, extraDependencies: [`${swrPath}`] }
             )
         ).rejects.toThrow('already exists and is not a directory');
     });

packages/testtools/src/schema.ts

@@ -61,8 +61,14 @@ export function installPackage(pkg: string, dev = false) {
     run(`npm install ${dev ? '-D' : ''} --no-audit --no-fund ${pkg}`);
 }
 
+/**
+ * Normalizes a path for use within zenstack model files, that is: replaces the default path separators for the OS with POSIX path separators.
+ * 
+ * @param p A filesystem path
+ * @returns The filesystem path adjusted to posix path separators (`/`)
+ */
 export function normalizePath(p: string) {
-    return path.normalize(p);
+    return p ? p.split(path.sep).join(path.posix.sep) : p;
 }
 
 export function getWorkspaceRoot(start: string) {
@@ -163,7 +169,6 @@ export async function loadSchema(schema: string, options?: SchemaLoadOptions) {
     }
 
     const workspaceRoot = getWorkspaceRoot(__dirname);
-
     if (!workspaceRoot) {
         throw new Error('Could not find workspace root');
     }