test async producers with patches

giusepperaso · Apr 8, 2023 · e2a3bd8 · e2a3bd8
1 parent 5133703
commit e2a3bd8
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Showing 2 changed files with 19 additions and 2 deletions.
diff --git a/src/core/patches.ts b/src/core/patches.ts
@@ -253,8 +253,9 @@ export function convertPatchesToStandard(
   return converted;
 }
 
+// internal function to build string paths in standard patches
+// we use a more complicated version instead of a simple join to allow "" as index in string version
 function __stdBuildStringPath(newPath: unknown[]) {
-  // we use a more complicated version to allow "" as index in string version
   let ret = "";
   for (let i = 0; i !== newPath.length; i++) {
     const p = newPath[i];

diff --git a/src/tests/integration/patches.test.ts b/src/tests/integration/patches.test.ts
@@ -1,5 +1,10 @@
 import { expect, it } from "vitest";
-import { applyPatches, Patch, produceWithPatches } from "../..";
+import {
+  applyPatches,
+  asyncProduceWithPatches,
+  Patch,
+  produceWithPatches,
+} from "../..";
 import { runMultiple } from "./utils";
 
 runMultiple("test patch production", () => {
@@ -173,4 +178,15 @@ runMultiple("test patch production", () => {
     expect(patches[0].v).toBe(4);
     expect(rev[0].v).toBe(2);
   });
+  it("works with async producers with patches", async () => {
+    const [result, patches, reverse] = await asyncProduceWithPatches(
+      { n: 1 },
+      async (draft) => {
+        draft.n = 2;
+      }
+    );
+    expect(result.n).toBe(2);
+    expect(Array.isArray(patches)).toBe(true);
+    expect(Array.isArray(reverse)).toBe(true);
+  });
 });