buildx: test install

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/test.yml

@@ -88,6 +88,12 @@ jobs:
             test: buildx/bake.test.itg.ts
           - os: windows-latest
             test: buildx/bake.test.itg.ts
+          - os: macos-13
+            test: buildx/install.test.itg.ts
+          - os: macos-latest
+            test: buildx/install.test.itg.ts
+          - os: windows-latest
+            test: buildx/install.test.itg.ts
     steps:
       -
         name: Checkout

__tests__/buildx/install.test.itg.ts

@@ -0,0 +1,40 @@
+/**
+ * Copyright 2023 actions-toolkit authors
+ *
+ * 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.
+ */
+
+import {describe, expect, test} from '@jest/globals';
+import * as fs from 'fs';
+
+import {Install} from '../../src/buildx/install';
+
+describe('download', () => {
+  // prettier-ignore
+  test.each(['latest'])(
+    'install docker %s', async (version) => {
+      await expect((async () => {
+        const install = new Install({
+          standalone: true
+        });
+        const toolPath = await install.download(version);
+        if (!fs.existsSync(toolPath)) {
+          throw new Error('toolPath does not exist');
+        }
+        const binPath = await install.installStandalone(toolPath);
+        if (!fs.existsSync(binPath)) {
+          throw new Error('binPath does not exist');
+        }
+      })()).resolves.not.toThrow();
+    }, 60000);
+});