Files
fusion/packages/dashboard/app/components/__tests__/PrPanel.merge.test.tsx
gsxdsm 41ee331429 FN-5648: show in-progress feedback while merging PRs
Fusion-Task-Id: FN-5648

Fusion-Task-Lineage: f056a665-4d52-4472-8495-487a1865aea4
2026-05-28 23:31:03 -07:00

201 lines
9.1 KiB
TypeScript

import { beforeEach, describe, expect, it, vi } from "vitest";
import type { PrInfo } from "../../api";
import { fireEvent, render, screen, waitFor } from "@testing-library/react";
import { PrPanel } from "../PrPanel";
import { mergePr, refreshPrStatus } from "../../api";
vi.mock("../../api", () => ({
refreshPrStatus: vi.fn(),
fetchPrChecks: vi.fn().mockResolvedValue({ checks: [], rollup: "unknown", lastCheckedAt: new Date().toISOString() }),
fetchPrReviews: vi.fn().mockResolvedValue({ snapshot: { decision: null, items: [] }, comments: [] }),
mergePr: vi.fn().mockResolvedValue({ prInfo: { url: "https://github.com/o/r/pull/1", number: 1, status: "merged", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0 } }),
setAutoMergeOnGreen: vi.fn().mockResolvedValue({ prInfo: { url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, autoMergeOnGreen: true } }),
}));
describe("PrPanel merge controls", () => {
beforeEach(() => {
vi.clearAllMocks();
});
it("auto-refreshes status once on mount for open non-draft PRs", async () => {
(refreshPrStatus as ReturnType<typeof vi.fn>).mockResolvedValue({
prInfo: { url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0 },
checks: [],
reviewDecision: null,
blockingReasons: [],
mergeReady: false,
});
render(<PrPanel taskId="FN-1" prAuthAvailable onPrUpdated={() => {}} addToast={() => {}} prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0 }} />);
await waitFor(() => {
expect(refreshPrStatus).toHaveBeenCalledTimes(1);
});
});
it.each([
{ status: "closed" as const, draft: false },
{ status: "merged" as const, draft: false },
{ status: "open" as const, draft: true },
])("does not auto-refresh for non-eligible PRs %#", async (state) => {
(refreshPrStatus as ReturnType<typeof vi.fn>).mockResolvedValue({
prInfo: { url: "https://github.com/o/r/pull/1", number: 1, status: state.status, title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, draft: state.draft },
checks: [],
reviewDecision: null,
blockingReasons: [],
mergeReady: false,
});
render(<PrPanel taskId="FN-1" prAuthAvailable onPrUpdated={() => {}} addToast={() => {}} prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, ...state }} />);
await waitFor(() => {
expect(refreshPrStatus).not.toHaveBeenCalled();
});
});
it.each([
[{ status: "open", draft: false }, true],
[{ status: "open", draft: true }, false],
[{ status: "open", isDraft: true }, false],
[{ status: "closed", draft: false }, false],
[{ status: "merged", draft: false }, false],
] as const)("shows merge controls matrix %#", (state, expected) => {
render(<PrPanel taskId="FN-1" prAuthAvailable onPrUpdated={() => {}} addToast={() => {}} prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, ...state }} />);
expect(screen.queryByText("Merge pull request") !== null).toBe(expected);
});
it("shows merged banner", () => {
render(<PrPanel taskId="FN-1" prAuthAvailable onPrUpdated={() => {}} addToast={() => {}} prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, status: "merged", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0 }} />);
expect(screen.getByText("Merged — task moved to Done")).toBeInTheDocument();
});
it("merges targeted PR card when multiple PRs are rendered", async () => {
(refreshPrStatus as ReturnType<typeof vi.fn>).mockResolvedValue({
prInfo: { url: "https://github.com/o/r/pull/2", number: 2, status: "open", title: "B", headBranch: "h2", baseBranch: "main", commentCount: 0 },
checks: [],
reviewDecision: null,
blockingReasons: [],
mergeReady: true,
all: [
{ prInfo: { url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "A", headBranch: "h1", baseBranch: "main", commentCount: 0 }, checks: [], reviewDecision: null, blockingReasons: [], mergeReady: false },
{ prInfo: { url: "https://github.com/o/r/pull/2", number: 2, status: "open", title: "B", headBranch: "h2", baseBranch: "main", commentCount: 0, mergeable: "clean" }, checks: [], reviewDecision: null, blockingReasons: [], mergeReady: true },
],
primary: { prInfo: { url: "https://github.com/o/r/pull/2", number: 2, status: "open", title: "B", headBranch: "h2", baseBranch: "main", commentCount: 0 }, checks: [], reviewDecision: null, blockingReasons: [], mergeReady: true },
});
const onPrUpdated = vi.fn();
render(
<PrPanel
taskId="FN-1"
prAuthAvailable
onPrUpdated={onPrUpdated}
addToast={() => {}}
prInfos={[
{ url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "A", headBranch: "h1", baseBranch: "main", commentCount: 0 },
{ url: "https://github.com/o/r/pull/2", number: 2, status: "open", title: "B", headBranch: "h2", baseBranch: "main", commentCount: 0, mergeable: "clean" },
]}
/>,
);
await screen.findAllByRole("button", { name: "Merge pull request" });
fireEvent.click(screen.getAllByRole("button", { name: "Merge pull request" })[1]!);
expect(mergePr).toHaveBeenCalledWith("FN-1", "squash", undefined, 2);
});
it("enables merge on first render when mergeable is clean", () => {
render(
<PrPanel
taskId="FN-1"
prAuthAvailable
onPrUpdated={() => {}}
addToast={() => {}}
prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, mergeable: "clean" }}
/>,
);
const mergeButton = screen.getByRole("button", { name: "Merge pull request" });
expect(mergeButton).toBeEnabled();
fireEvent.click(mergeButton);
expect(mergePr).toHaveBeenCalledWith("FN-1", "squash", undefined, 1);
});
it.each([
["conflicting", "conflicting" as const],
["unknown", "unknown" as const],
])("keeps merge disabled when mergeable is %s", (label, mergeable) => {
render(
<PrPanel
taskId="FN-1"
prAuthAvailable
onPrUpdated={() => {}}
addToast={() => {}}
prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, mergeable }}
/>,
);
expect(screen.getByRole("button", { name: "Merge pull request" })).toBeDisabled();
});
it("keeps merge disabled when mergeable is undefined", () => {
render(
<PrPanel
taskId="FN-1"
prAuthAvailable
onPrUpdated={() => {}}
addToast={() => {}}
prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0 }}
/>,
);
expect(screen.getByRole("button", { name: "Merge pull request" })).toBeDisabled();
});
it("shows in-progress merge feedback until merge resolves", async () => {
let resolveMerge: ((value: { prInfo: PrInfo }) => void) | undefined;
(mergePr as ReturnType<typeof vi.fn>).mockImplementation(() => new Promise((resolve) => {
resolveMerge = resolve;
}));
const addToast = vi.fn();
render(
<PrPanel
taskId="FN-1"
prAuthAvailable
onPrUpdated={() => {}}
addToast={addToast}
prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, mergeable: "clean" }}
/>,
);
fireEvent.click(screen.getByTestId("pr-merge-button"));
const mergeButton = screen.getByRole("button", { name: /merging/i });
expect(mergeButton).toBeDisabled();
expect(mergeButton).toHaveAttribute("aria-busy", "true");
expect(screen.getByRole("status")).toHaveTextContent("Merging pull request…");
expect(screen.getByRole("combobox")).toBeDisabled();
resolveMerge?.({
prInfo: {
url: "https://github.com/o/r/pull/1",
number: 1,
status: "merged",
title: "t",
headBranch: "h",
baseBranch: "main",
commentCount: 0,
},
});
await waitFor(() => {
expect(screen.getByRole("button", { name: "Merge pull request" })).toBeInTheDocument();
});
expect(screen.queryByText("Merging pull request…")).not.toBeInTheDocument();
expect(addToast).toHaveBeenCalledWith("Pull request merged", "success");
});
it("shows error block and retry", () => {
render(<PrPanel taskId="FN-1" prAuthAvailable onPrUpdated={() => {}} addToast={() => {}} prInfo={{ url: "https://github.com/o/r/pull/1", number: 1, status: "open", title: "t", headBranch: "h", baseBranch: "main", commentCount: 0, lastMergeError: "boom" }} />);
expect(screen.getByText("boom")).toBeInTheDocument();
fireEvent.click(screen.getByRole("button", { name: "Retry" }));
});
});