Slack: test shared interactive renderer

extensions/slack/src/shared-interactive.test.ts

@@ -0,0 +1,55 @@
+import { describe, expect, it } from "vitest";
+import { buildSlackInteractiveBlocks } from "./shared-interactive.js";
+
+describe("buildSlackInteractiveBlocks", () => {
+  it("renders shared interactive blocks in authored order", () => {
+    expect(
+      buildSlackInteractiveBlocks({
+        blocks: [
+          {
+            type: "select",
+            placeholder: "Pick one",
+            options: [{ label: "Alpha", value: "alpha" }],
+          },
+          { type: "text", text: "then" },
+          { type: "buttons", buttons: [{ label: "Retry", value: "retry" }] },
+        ],
+      }),
+    ).toEqual([
+      expect.objectContaining({
+        type: "actions",
+        block_id: "openclaw_reply_select_1",
+      }),
+      expect.objectContaining({
+        type: "section",
+        text: expect.objectContaining({ text: "then" }),
+      }),
+      expect.objectContaining({
+        type: "actions",
+        block_id: "openclaw_reply_buttons_1",
+      }),
+    ]);
+  });
+
+  it("truncates Slack render strings to Block Kit limits", () => {
+    const long = "x".repeat(120);
+    const blocks = buildSlackInteractiveBlocks({
+      blocks: [
+        { type: "text", text: "y".repeat(3100) },
+        { type: "select", placeholder: long, options: [{ label: long, value: long }] },
+        { type: "buttons", buttons: [{ label: long, value: long }] },
+      ],
+    });
+    const section = blocks[0] as { text?: { text?: string } };
+    const selectBlock = blocks[1] as {
+      elements?: Array<{ placeholder?: { text?: string } }>;
+    };
+    const buttonBlock = blocks[2] as {
+      elements?: Array<{ value?: string }>;
+    };
+
+    expect((section.text?.text ?? "").length).toBeLessThanOrEqual(3000);
+    expect((selectBlock.elements?.[0]?.placeholder?.text ?? "").length).toBeLessThanOrEqual(75);
+    expect((buttonBlock.elements?.[0]?.value ?? "").length).toBeLessThanOrEqual(75);
+  });
+});