chore: add getDockerInstallation test

Signed-off-by: Anders F Björklund <anders.f.bjorklund@gmail.com>

extensions/docker/src/docker-cli.spec.ts

@@ -0,0 +1,58 @@
+/**********************************************************************
+ * Copyright (C) 2024 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ***********************************************************************/
+
+import * as extensionApi from '@podman-desktop/api';
+
+import type { Mock } from 'vitest';
+import { expect, test, vi } from 'vitest';
+import { getDockerInstallation } from './docker-cli';
+
+// mock the API
+vi.mock('@podman-desktop/api', async () => {
+  return {
+    env: {},
+    process: {
+      exec: vi.fn(),
+    },
+  };
+});
+
+test('should not return podman version', async () => {
+  const podmanOutput = 'podman version 4.8.3';
+
+  (extensionApi.process.exec as Mock).mockReturnValue({
+    stdout: podmanOutput,
+  } as extensionApi.RunResult);
+
+  const installedDocker = await getDockerInstallation();
+
+  expect(installedDocker).toBeUndefined();
+});
+
+test('should return docker version', async () => {
+  const dockerOutput = 'Docker version 25.0.2, build 29cf629';
+
+  (extensionApi.process.exec as Mock).mockReturnValue({
+    stdout: dockerOutput,
+  } as extensionApi.RunResult);
+
+  const installedDocker = await getDockerInstallation();
+
+  expect(installedDocker).toBeDefined();
+  expect(installedDocker.version).toBe('25.0.2');
+});