Internalize all IM channel implementations

test/channels/dingtalk/plugin-host.test.mjs

@@ -0,0 +1,44 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { apply, createDingtalkHostPlugin, inject, name } from '../../../plugin-src/host/channels/dingtalk/index.mjs';
+
+function controller() {
+  return {
+    status() { return { bots: [] }; },
+    startProvisioning() {},
+    registrationStatus() {},
+    cancelProvisioning() {},
+    reconnectBot() {},
+    deleteBot() {},
+    approveSender() {},
+    revokeSender() {},
+  };
+}
+
+test('Host exports the DingTalk plugin identity and required services', () => {
+  const plugin = createDingtalkHostPlugin({ controller: controller() });
+  assert.equal(name, 'dsh-dingtalk-host');
+  assert.deepEqual(inject, ['connection', 'credentials', 'webServer']);
+  assert.equal(plugin.name, name);
+  assert.deepEqual(plugin.inject, inject);
+});
+
+test('Host installs loopback RPC for an injected controller', async () => {
+  const calls = [];
+  const dispose = () => {};
+  const ctx = {
+    connection: {
+      rpc: {
+        handle: (...args) => {
+          calls.push(args);
+          return dispose;
+        },
+      },
+    },
+  };
+
+  assert.equal(await apply(ctx, { controller: controller() }), dispose);
+  assert.equal(calls[0][0], '/dingtalk');
+  assert.deepEqual(calls[0][2], { authority: 'loopback' });
+});