Initial Commit

packages/api-stack/api/api-plugin-example/src/wasm/start.test.ts

@@ -0,0 +1,57 @@
+import { beforeEach, describe, expect, it } from "@suaveplan/testing/runner";
+import { dispose } from "./dispose.js";
+import { handleRequest } from "./handle-request.js";
+import { start } from "./start.js";
+import { resetState } from "./wasm-state.js";
+
+beforeEach(() => {
+    resetState();
+});
+
+function emptyReq(url: string): Parameters<typeof handleRequest>[0] {
+    return {
+        url,
+        method: "GET",
+        headers: [],
+        bodyBase64: "",
+        principalId: null,
+        tenantId: null,
+        capabilities: ["example:read", "example:write"],
+        requestId: "r",
+        timestamp: 0,
+    };
+}
+
+function decode(b64url: string): string {
+    const padLen = (4 - (b64url.length % 4)) % 4;
+    const padded =
+        b64url.replace(/-/g, "+").replace(/_/g, "/") + "=".repeat(padLen);
+    return atob(padded);
+}
+
+describe("wasm/start", () => {
+    it("start is idempotent", { timeout: 5000 }, () => {
+        start();
+        start();
+        expect(true).toBe(true);
+    });
+
+    it("start re-primes after dispose", { timeout: 5000 }, async () => {
+        start();
+        const res = await handleRequest(emptyReq("http://t/example/invoices"));
+        expect(res.status).toBe(200);
+        const body = JSON.parse(decode(res.bodyBase64)) as {
+            invoices: readonly unknown[];
+        };
+        expect(body.invoices).toEqual([]);
+        dispose();
+        start();
+        const after = await handleRequest(
+            emptyReq("http://t/example/invoices")
+        );
+        const body2 = JSON.parse(decode(after.bodyBase64)) as {
+            invoices: readonly unknown[];
+        };
+        expect(body2.invoices).toEqual([]);
+    });
+});