fix(plugins): report Problems to plugins in remote projects (#2223)

src/features/code-insight/problemsReport.test.ts

@@ -1,6 +1,11 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import type { Diagnostic, FileProblems } from "@/bindings";
 
+const state = vi.hoisted(() => ({
+  projectChanged: () => {},
+  remoteChanged: () => {},
+  report: vi.fn(),
+}));
 const reports = vi.hoisted(() => [] as [boolean, FileProblems[]][]);
 vi.mock("@/platform/ipc", async (importOriginal) => ({
   ...(await importOriginal<typeof import("@/platform/ipc")>()),
@@ -8,12 +13,29 @@ vi.mock("@/platform/ipc", async (importOriginal) => ({
   commands: {
     mcpReportProblems: async (reset: boolean, files: FileProblems[]) => {
       reports.push([reset, files]);
+      await state.report();
     },
   },
 }));
 
 vi.mock("@/platform/project", () => ({
-  useProject: { getState: () => ({ project: { root: "/p" } }), subscribe: () => () => {} },
+  useProject: {
+    getState: () => ({ project: { root: "/p" } }),
+    subscribe: (fn: (s: unknown, prev: unknown) => void) => {
+      state.projectChanged = () => fn({ project: { root: "/p" } }, { project: null });
+      return () => {};
+    },
+  },
+}));
+
+vi.mock("@/platform/remote", () => ({
+  isRemoteWindow: () => true,
+  useRemote: {
+    subscribe: (fn: (s: unknown, prev: unknown) => void) => {
+      state.remoteChanged = () => fn({ session: {} }, { session: {} });
+      return () => {};
+    },
+  },
 }));
 
 const { applyDiagnosticsEvent, clearProblems } = await import("./problemsStore");
@@ -35,6 +57,7 @@ describe("reportProblems", () => {
     vi.useFakeTimers();
     clearProblems();
     reports.length = 0;
+    state.report.mockReset();
     applyDiagnosticsEvent("/p/a.rs", "ra", [d(1), d(2)]);
     stop = reportProblems();
   });
@@ -43,6 +66,35 @@ describe("reportProblems", () => {
     vi.useRealTimers();
   });
 
+  it.each(["projectChanged", "remoteChanged"] as const)("resends the full snapshot after %s", async (change) => {
+    await vi.advanceTimersByTimeAsync(1000);
+    state[change]();
+    await vi.advanceTimersByTimeAsync(1000);
+    expect(summary()).toEqual([
+      [true, [["/p/a.rs", 2]]],
+      [true, [["/p/a.rs", 2]]],
+    ]);
+  });
+
+  it("retries a failed delta with the full snapshot", async () => {
+    await vi.advanceTimersByTimeAsync(1000);
+    state.report.mockRejectedValueOnce(new Error("disconnected"));
+    applyDiagnosticsEvent("/p/b.rs", "ra", [d(0)]);
+    await vi.advanceTimersByTimeAsync(1000);
+    await vi.advanceTimersByTimeAsync(1000);
+    expect(summary()).toEqual([
+      [true, [["/p/a.rs", 2]]],
+      [false, [["/p/b.rs", 1]]],
+      [
+        true,
+        [
+          ["/p/a.rs", 2],
+          ["/p/b.rs", 1],
+        ],
+      ],
+    ]);
+  });
+
   it("sends everything first, then only the files that changed once diagnostics settle", async () => {
     await vi.advanceTimersByTimeAsync(1000);
     applyDiagnosticsEvent("/p/b.rs", "ra", [d(0)]);