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112 lines
3.4 KiB
TypeScript
112 lines
3.4 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import {
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builtinModules,
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createRequire,
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findSourceMap,
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isBuiltin,
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Module,
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// @ts-ignore Our internal @types/node is at v18.16.19 which predates
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// this change. Updating it is difficult due to different types in Node
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// for `import.meta.filename` and `import.meta.dirname` that Deno
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// provides.
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register,
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} from "node:module";
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import { assert, assertEquals } from "@std/assert";
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import process from "node:process";
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import * as path from "node:path";
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Deno.test("[node/module _preloadModules] has internal require hook", () => {
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// Check if it's there
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// deno-lint-ignore no-explicit-any
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(Module as any)._preloadModules([
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"./tests/unit_node/testdata/add_global_property.js",
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]);
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// deno-lint-ignore no-explicit-any
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assertEquals((globalThis as any).foo, "Hello");
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});
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Deno.test("[node/module runMain] loads module using the current process.argv", () => {
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process.argv = [
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process.argv[0],
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"./tests/unit_node/testdata/add_global_property_run_main.js",
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];
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// deno-lint-ignore no-explicit-any
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(Module as any).runMain();
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// deno-lint-ignore no-explicit-any
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assertEquals((globalThis as any).calledViaRunMain, true);
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});
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Deno.test("[node/module _nodeModulePaths] prevents duplicate /node_modules/node_modules suffix", () => {
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// deno-lint-ignore no-explicit-any
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const actual: string[] = (Module as any)._nodeModulePaths(
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path.join(process.cwd(), "testdata", "node_modules", "foo"),
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);
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assert(
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!actual.some((dir) => /node_modules[/\\]node_modules/g.test(dir)),
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"Duplicate 'node_modules/node_modules' suffix found",
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);
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});
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Deno.test("[node/module _nodeModulePaths] prevents duplicate root /node_modules", () => {
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// deno-lint-ignore no-explicit-any
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const actual: string[] = (Module as any)._nodeModulePaths(
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path.join(process.cwd(), "testdata", "node_modules", "foo"),
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);
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assert(
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new Set(actual).size === actual.length,
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"Duplicate path entries found",
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);
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const root = path.parse(actual[0]).root;
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assert(
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actual.includes(path.join(root, "node_modules")),
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"Missing root 'node_modules' directory",
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);
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});
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Deno.test("Built-in Node modules have `node:` prefix", () => {
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let thrown = false;
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try {
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// @ts-ignore We want to explicitly test wrong call signature
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createRequire();
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} catch (e) {
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thrown = true;
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const stackLines = (e as Error).stack!.split("\n");
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// Assert that built-in node modules have `node:<mod_name>` specifiers.
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assert(stackLines.some((line: string) => line.includes("(node:module:")));
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}
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assert(thrown);
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});
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Deno.test("[node/module isBuiltin] recognizes node builtins", () => {
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assert(isBuiltin("node:fs"));
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assert(isBuiltin("node:test"));
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assert(isBuiltin("fs"));
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assert(isBuiltin("buffer"));
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assert(!isBuiltin("internal/errors"));
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assert(!isBuiltin("test"));
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assert(!isBuiltin(""));
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// deno-lint-ignore no-explicit-any
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assert(!isBuiltin(undefined as any));
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});
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// https://github.com/denoland/deno/issues/22731
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Deno.test("[node/module builtinModules] has 'module' in builtins", () => {
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assert(builtinModules.includes("module"));
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});
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// https://github.com/denoland/deno/issues/18666
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Deno.test("[node/module findSourceMap] is a function", () => {
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assertEquals(findSourceMap("foo"), undefined);
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});
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// https://github.com/denoland/deno/issues/24902
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Deno.test("[node/module register] is a function", () => {
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assertEquals(register("foo"), undefined);
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});
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