Reorganize test cases

ts/test-node/util/AbortableProcess_test.ts

@@ -0,0 +1,46 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+import { noop } from 'lodash';
+
+import { AbortableProcess } from '../../util/AbortableProcess';
+
+describe('AbortableProcess', () => {
+  it('resolves the result normally', async () => {
+    const process = new AbortableProcess(
+      'process',
+      { abort: noop },
+      Promise.resolve(42)
+    );
+
+    assert.strictEqual(await process.getResult(), 42);
+  });
+
+  it('rejects normally', async () => {
+    const process = new AbortableProcess(
+      'process',
+      { abort: noop },
+      Promise.reject(new Error('rejected'))
+    );
+
+    await assert.isRejected(process.getResult(), 'rejected');
+  });
+
+  it('rejects on abort', async () => {
+    let calledAbort = false;
+    const process = new AbortableProcess(
+      'A',
+      {
+        abort() {
+          calledAbort = true;
+        },
+      },
+      new Promise(noop)
+    );
+
+    process.abort();
+    await assert.isRejected(process.getResult(), 'Process "A" was aborted');
+    assert.isTrue(calledAbort);
+  });
+});