chore(cli): Add NEAR smoketest (#1255)

.github/workflows/ci.yml

@@ -84,3 +84,10 @@ jobs:
  - name: Log Grain version
  run: |
  grain -v
+
+ # This is to test that we didn't actually introduce multivalue
+ # which might happen through a binaryen optimization
+ - name: Run NEAR smoketest
+ if: matrix.os != 'windows-latest'
+ run: |
+ npm run cli test

cli/__test__/index.gr

@@ -0,0 +1,12 @@
+/* grainc-flags --no-gc --no-bulk-memory */
+
+import WasmI32 from "runtime/unsafe/wasmi32"
+import WasmI64 from "runtime/unsafe/wasmi64"
+import Env from "./nearEnv"
+
+export let hello = () => {
+ let value = "Hello, World!"
+ let length = WasmI64.load32U(WasmI32.fromGrain(value), 4n)
+ let ptr = WasmI64.extendI32U(WasmI32.add(WasmI32.fromGrain(value), 8n))
+ Env.valueReturn(length, ptr)
+}

cli/__test__/near.spec.js

@@ -0,0 +1,31 @@
+const path = require("path");
+
+// NOTE:
+// This test suite exists to ensure wasm output does not contain multivalue functions.
+// If no multivalue functions exist, Grain smart contracts should run without issue.
+
+let worker;
+afterAll(async () => {
+ await worker?.tearDown();
+});
+
+describe("Runs in NEAR sandbox", () => {
+ jest.setTimeout(60_000);
+ let Worker;
+ try {
+ Worker = require("near-workspaces").Worker;
+ } catch (err) {
+ // no-op
+ }
+ // near-workspaces is optional, so if it's not installed, we can skip tests
+ const testIf = !Worker ? test.skip : test;
+ testIf("it should not produce wasm multivalue function", async () => {
+ worker = await Worker.init();
+ const root = worker.rootAccount;
+ const contract = await root.createAndDeploy(
+ "grain-near-multivalue-test",
+ path.join(__dirname, "index.gr.wasm")
+ );
+ expect(await contract.view("hello")).toEqual("Hello, World!");
+ });
+});

cli/__test__/nearEnv.gr

@@ -0,0 +1,28 @@
+/* grainc-flags --no-gc --no-bulk-memory */
+
+export foreign wasm storage_read: (
+ WasmI64,
+ WasmI64,
+ WasmI64
+) -> WasmI64 as storageRead from "env"
+export foreign wasm storage_write: (
+ WasmI64,
+ WasmI64,
+ WasmI64,
+ WasmI64,
+ WasmI64
+) -> WasmI64 as storageWrite from "env"
+export foreign wasm storage_has_key: (
+ WasmI64,
+ WasmI64
+) -> WasmI64 as storageHasKey from "env"
+
+export foreign wasm read_register: (
+ WasmI64,
+ WasmI64
+) -> Void as readRegister from "env"
+
+export foreign wasm value_return: (
+ WasmI64,
+ WasmI64
+) -> Void as valueReturn from "env"

cli/__test__/wasi.gr

@@ -0,0 +1,9 @@
+export let fd_write: (WasmI32, WasmI32, WasmI32, WasmI32) -> WasmI32 =
+ (
+ fd,
+ iovs,
+ iovs_len,
+ nwritten,
+ ) => {
+ 0n
+}

cli/package.json

@@ -11,8 +11,10 @@
  "link": "npm link",
  "format": "prettier --write .",
  "check-format": "prettier --check .",
- "test": "echo \"Error: no test specified\" && exit 1",
- "build-pkg": "pkg ./package.json --no-bytecode --compress Brotli --output ../pkg/grain"
+ "build-pkg": "pkg ./package.json --no-bytecode --compress Brotli --output ../pkg/grain",
+ "build:test": "grain compile --wasi-polyfill __test__/wasi.gr --use-start-section __test__/index.gr",
+ "pretest": "npm run build:test",
+ "test": "jest --detectOpenHandles"
  },
  "pkg": {
  "assets": "bin/*.js"
@@ -43,5 +45,9 @@
  "del-cli": "^4.0.1",
  "pkg": "^5.3.1",
  "prettier": "^2.3.2"
+ },
+ "optionalDependencies": {
+ "jest": "28.1.0",
+ "near-workspaces": "2.0.0"
  }
 }