backend-test-utils: add DirectoryMocker.mockOsTmpDir

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
2023-09-21 10:53:23 +02:00
parent 24f1dfa58f
commit d96fb0642f
1 changed files with 16 additions and 0 deletions
@@ -14,6 +14,7 @@
 * limitations under the License.
 */

+import os from 'os';
 import { isChildPath, resolveSafeChildPath } from '@backstage/backend-common';
 import fs from 'fs-extra';
 import textextensions from 'textextensions';
@@ -83,6 +84,21 @@ export class DirectoryMocker {
    return mocker;
  }

+  static mockOsTmpDir() {
+    const mocker = DirectoryMocker.create();
+    const origTmpdir = os.tmpdir;
+    os.tmpdir = () => mocker.path;
+
+    try {
+      afterAll(() => {
+        os.tmpdir = origTmpdir;
+      });
+    } catch {
+      /* ignore */
+    }
+    return mocker;
+  }
+
  readonly #root: string;

  private constructor(root: string) {