fix: paginate GitHub Actions MCP responses (#1629)

test/github-actions-pagination.test.ts

@@ -0,0 +1,49 @@
+import { describe, expect, test } from "bun:test";
+import type { Octokit } from "@octokit/rest";
+import {
+  listWorkflowJobs,
+  listWorkflowRuns,
+} from "../src/mcp/github-actions-pagination";
+
+function createPaginatedClient<T>(pages: T[][]) {
+  const request = async () => ({ data: pages[0] });
+  const client = {
+    actions: {
+      listWorkflowRunsForRepo: request,
+      listJobsForWorkflowRun: request,
+    },
+    paginate: async () => pages.flat(),
+  } as unknown as Octokit;
+
+  return client;
+}
+
+describe("GitHub Actions pagination", () => {
+  test("returns workflow runs from every page", async () => {
+    const firstPage = [{ id: 1 }, { id: 2 }];
+    const secondPage = [{ id: 3 }];
+    const client = createPaginatedClient([firstPage, secondPage]);
+
+    const runs = await listWorkflowRuns(client, {
+      owner: "owner",
+      repo: "repo",
+      head_sha: "sha",
+    });
+
+    expect(runs.map((run) => run.id)).toEqual([1, 2, 3]);
+  });
+
+  test("returns workflow jobs from every page", async () => {
+    const firstPage = [{ id: 1 }, { id: 2 }];
+    const secondPage = [{ id: 3 }];
+    const client = createPaginatedClient([firstPage, secondPage]);
+
+    const jobs = await listWorkflowJobs(client, {
+      owner: "owner",
+      repo: "repo",
+      run_id: 123,
+    });
+
+    expect(jobs.map((job) => job.id)).toEqual([1, 2, 3]);
+  });
+});