Initial Commit

packages/api-stack/api/wasm-compiler-javy/src/abi-shim/abi-shim.test.ts

@@ -0,0 +1,37 @@
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { composeAbiShimmedSource } from "./abi-shim.js";
+
+describe("composeAbiShimmedSource", () => {
+    it("appends the shim suffix and includes the protocol-version header", {
+        timeout: 5000,
+    }, () => {
+        const { js } = composeAbiShimmedSource({
+            bundledJs:
+                "var plugin = { routes: [], handleRequest: async () => null };",
+        });
+        expect(js.includes("wasi-stdio v1")).toBe(true);
+        expect(js.includes("Javy.IO.readSync")).toBe(true);
+        expect(js.includes("Javy.IO.writeSync")).toBe(true);
+        expect(js.includes("plugin.handleRequest")).toBe(true);
+        expect(js.includes("plugin.routes")).toBe(true);
+    });
+
+    it("is byte-stable for identical inputs", { timeout: 5000 }, () => {
+        const input =
+            "var plugin = { routes: [{ method:'GET', path:'/h' }], handleRequest: async () => ({ status:200, headers:[], bodyBase64:'' }) };";
+        const a = composeAbiShimmedSource({ bundledJs: input });
+        const b = composeAbiShimmedSource({ bundledJs: input });
+        expect(a.js).toBe(b.js);
+    });
+
+    it("handles each of the four kinds in the shim", { timeout: 5000 }, () => {
+        const { js } = composeAbiShimmedSource({
+            bundledJs: "var plugin = {};",
+        });
+        expect(js.includes("'routes'")).toBe(true);
+        expect(js.includes("'start'")).toBe(true);
+        expect(js.includes("'dispose'")).toBe(true);
+        expect(js.includes("'request'")).toBe(true);
+        expect(js.includes("'error'")).toBe(true);
+    });
+});