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This looks like a massive PR, but it's only a move from cli/tests -> tests, and updates of relative paths for files. This is the first step towards aggregate all of the integration test files under tests/, which will lead to a set of integration tests that can run without the CLI binary being built. While we could leave these tests under `cli`, it would require us to keep a more complex directory structure for the various test runners. In addition, we have a lot of complexity to ignore various test files in the `cli` project itself (cargo publish exclusion rules, autotests = false, etc). And finally, the `tests/` folder will eventually house the `test_ffi`, `test_napi` and other testing code, reducing the size of the root repo directory. For easier review, the extremely large and noisy "move" is in the first commit (with no changes -- just a move), while the remainder of the changes to actual files is in the second commit.
104 lines
3.3 KiB
TypeScript
104 lines
3.3 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { assert, assertEquals, assertRejects } from "./test_util.ts";
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// The following blob can be created by taking the following s-expr and pass
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// it through wat2wasm.
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// (module
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// (func $add (param $a i32) (param $b i32) (result i32)
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// local.get $a
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// local.get $b
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// i32.add)
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// (export "add" (func $add))
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// )
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// deno-fmt-ignore
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const simpleWasm = new Uint8Array([
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0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x07, 0x01, 0x60,
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0x02, 0x7f, 0x7f, 0x01, 0x7f, 0x03, 0x02, 0x01, 0x00, 0x07, 0x07, 0x01,
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0x03, 0x61, 0x64, 0x64, 0x00, 0x00, 0x0a, 0x09, 0x01, 0x07, 0x00, 0x20,
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0x00, 0x20, 0x01, 0x6a, 0x0b
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]);
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Deno.test(async function wasmInstantiateWorksWithBuffer() {
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const { module, instance } = await WebAssembly.instantiate(simpleWasm);
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assertEquals(WebAssembly.Module.exports(module), [{
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name: "add",
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kind: "function",
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}]);
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assertEquals(WebAssembly.Module.imports(module), []);
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assert(typeof instance.exports.add === "function");
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const add = instance.exports.add as (a: number, b: number) => number;
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assertEquals(add(1, 3), 4);
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});
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// V8's default implementation of `WebAssembly.instantiateStreaming()` if you
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// don't set the WASM streaming callback, is to take a byte source. Here we
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// check that our implementation of the callback disallows it.
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Deno.test(
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async function wasmInstantiateStreamingFailsWithBuffer() {
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await assertRejects(async () => {
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await WebAssembly.instantiateStreaming(
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// Bypassing the type system
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simpleWasm as unknown as Promise<Response>,
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);
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}, TypeError);
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},
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);
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Deno.test(
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async function wasmInstantiateStreamingNoContentType() {
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const response = new Response(simpleWasm);
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// Rejects, not throws.
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const wasmPromise = WebAssembly.instantiateStreaming(response);
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await assertRejects(
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() => wasmPromise,
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TypeError,
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"Invalid WebAssembly content type.",
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);
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},
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);
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Deno.test(async function wasmInstantiateStreaming() {
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let isomorphic = "";
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for (const byte of simpleWasm) {
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isomorphic += String.fromCharCode(byte);
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}
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const base64Url = "data:application/wasm;base64," + btoa(isomorphic);
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const { module, instance } = await WebAssembly.instantiateStreaming(
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fetch(base64Url),
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);
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assertEquals(WebAssembly.Module.exports(module), [{
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name: "add",
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kind: "function",
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}]);
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assertEquals(WebAssembly.Module.imports(module), []);
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assert(typeof instance.exports.add === "function");
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const add = instance.exports.add as (a: number, b: number) => number;
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assertEquals(add(1, 3), 4);
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});
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Deno.test(
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{ permissions: { read: true } },
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async function wasmFileStreaming() {
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const url = import.meta.resolve("../testdata/assets/unreachable.wasm");
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assert(url.startsWith("file://"));
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const { module } = await WebAssembly.instantiateStreaming(fetch(url));
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assertEquals(WebAssembly.Module.exports(module), [{
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name: "unreachable",
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kind: "function",
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}]);
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},
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);
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Deno.test(
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{ permissions: { net: true } },
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async function wasmStreamingNonTrivial() {
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// deno-dom's WASM file is a real-world non-trivial case that gave us
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// trouble when implementing this.
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await WebAssembly.instantiateStreaming(fetch(
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"http://localhost:4545/assets/deno_dom_0.1.3-alpha2.wasm",
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));
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},
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);
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