test: add scenario for handleResponseType tgz

src/utils/api.test.ts

@@ -0,0 +1,28 @@
+/* eslint-disable @typescript-eslint/no-object-literal-type-assertion */
+
+import { handleResponseType } from '../../src/utils/api';
+
+describe('api', () => {
+  // no the best mock, but I'd look for a mock library to work with fetch in the future
+  // @ts-ignore
+  const headers: Headers = {
+    // @ts-ignore
+    get: () => [],
+  };
+
+  describe('handleResponseType', () => {
+    test('should test tgz scenario', async () => {
+      const blob = new Blob(['foo']);
+      const blobPromise = Promise.resolve<Blob>(blob);
+      const response: Response = {
+        url: 'http://localhost:8080/bootstrap/-/bootstrap-4.3.1.tgz',
+        blob: () => blobPromise,
+        ok: true,
+        headers,
+      } as Response;
+      const handled = await handleResponseType(response);
+
+      expect(handled).toEqual([true, blob]);
+    });
+  });
+});