Tests: add Discord channel contract suite

extensions/discord/src/channel.contract.test.ts

@@ -0,0 +1,49 @@
+import type { OpenClawConfig } from "openclaw/plugin-sdk/discord";
+import { afterEach, describe, vi } from "vitest";
+import { installChannelActionsContractSuite } from "../../../src/test-utils/channel-actions-contract.js";
+import { installChannelPluginContractSuite } from "../../../src/test-utils/channel-plugin-contract.js";
+
+const discordListActionsMock = vi.fn();
+const discordGetCapabilitiesMock = vi.fn();
+
+vi.mock("./runtime.js", () => ({
+  getDiscordRuntime: () => ({
+    channel: {
+      discord: {
+        messageActions: {
+          listActions: discordListActionsMock,
+          getCapabilities: discordGetCapabilitiesMock,
+        },
+      },
+    },
+  }),
+}));
+
+const { discordPlugin } = await import("./channel.js");
+
+describe("discordPlugin contract", () => {
+  afterEach(() => {
+    discordListActionsMock.mockReset();
+    discordGetCapabilitiesMock.mockReset();
+  });
+
+  installChannelPluginContractSuite({
+    plugin: discordPlugin,
+  });
+
+  installChannelActionsContractSuite({
+    plugin: discordPlugin,
+    cases: [
+      {
+        name: "forwards runtime-backed Discord actions and capabilities",
+        cfg: {} as OpenClawConfig,
+        expectedActions: ["send", "react", "poll"],
+        expectedCapabilities: ["interactive", "components"],
+        beforeTest: () => {
+          discordListActionsMock.mockReturnValue(["send", "react", "poll"]);
+          discordGetCapabilitiesMock.mockReturnValue(["interactive", "components"]);
+        },
+      },
+    ],
+  });
+});