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More incremental impl of new module registry
Starts adding api tests, fixing up some behaviors.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| import { notStrictEqual, ok, rejects, strictEqual } from 'assert'; | ||
| import { foo, default as def } from 'foo'; | ||
| import { default as fs } from 'node:fs'; | ||
| const { foo: foo2, default: def2 } = await import('bar'); | ||
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| // Verify that import.meta.url is correct here. | ||
| strictEqual(import.meta.url, 'file:///worker'); | ||
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| // Verify that import.meta.main is true here. | ||
| ok(import.meta.main); | ||
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| // Verify that import.meta.resolve provides correct results here. | ||
| // The input should be interpreted as a URL and normalized according | ||
| // to the rules in the WHATWG URL specification. | ||
| strictEqual(import.meta.resolve('./.././test/.././../foo'), 'file:///foo'); | ||
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| // There are four tests at this top level... one for the import of the node:assert | ||
| // module without the node: prefix specifier, two for the imports of the foo and | ||
| // bar modules from the worker, and one for the aliases node:fs module from the | ||
| // module worker. | ||
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| strictEqual(foo, 1); | ||
| strictEqual(def, 2); | ||
| strictEqual(foo2, 1); | ||
| strictEqual(def2, 2); | ||
| strictEqual(fs, 'abc'); | ||
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| // Equivalent to the above, but using the file: URL scheme. | ||
| import { foo as foo3, default as def3 } from 'file:///foo'; | ||
| strictEqual(foo, foo3); | ||
| strictEqual(def, def3); | ||
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| // Verify that a module is unable to perform IO operations at the top level, even if | ||
| // the dynamic import is initiated within the scope of an active IoContext. | ||
| export const noTopLevelIo = { | ||
| async test() { | ||
| await rejects(import('bad'), { | ||
| message: /^Disallowed operation called within global scope/, | ||
| }); | ||
| }, | ||
| }; | ||
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| // Verify that async local storage is propagated into dynamic imports. | ||
| export const alsPropagationDynamicImport = { | ||
| async test() { | ||
| const { AsyncLocalStorage } = await import('async_hooks'); | ||
| globalThis.als = new AsyncLocalStorage(); | ||
| const res = await globalThis.als.run(123, () => import('als')); | ||
| strictEqual(res.default, 123); | ||
| }, | ||
| }; | ||
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| // Query strings and fragments create new instances of known modules. | ||
| export const queryAndFragment = { | ||
| async test() { | ||
| // Each resolves the same underlying module but creates a new instance. | ||
| // The exports should be the same but the module namespaces should be different. | ||
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| const a = await import('foo?query'); | ||
| const b = await import('foo#fragment'); | ||
| const c = await import('foo?query#fragment'); | ||
| const d = await import('foo'); | ||
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| strictEqual(a.default, 2); | ||
| strictEqual(a.foo, 1); | ||
| strictEqual(a.default, b.default); | ||
| strictEqual(a.default, c.default); | ||
| strictEqual(a.default, d.default); | ||
| strictEqual(a.foo, b.foo); | ||
| strictEqual(a.foo, c.foo); | ||
| strictEqual(a.foo, d.foo); | ||
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| notStrictEqual(a, b); | ||
| notStrictEqual(a, c); | ||
| notStrictEqual(a, d); | ||
| notStrictEqual(b, c); | ||
| notStrictEqual(b, d); | ||
| notStrictEqual(c, d); | ||
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| // The import.meta.url for each should match the specifier used to import the instance. | ||
| strictEqual(a.bar, 'file:///foo?query'); | ||
| strictEqual(b.bar, 'file:///foo#fragment'); | ||
| strictEqual(c.bar, 'file:///foo?query#fragment'); | ||
| strictEqual(d.bar, 'file:///foo'); | ||
| }, | ||
| }; | ||
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| // TODO(now): Tests | ||
| // * [ ] Include tests for all known module types | ||
| // * [ ] ESM | ||
| // * [ ] CommonJS | ||
| // * [ ] Text | ||
| // * [ ] Data | ||
| // * [ ] JSON | ||
| // * [ ] WASM | ||
| // * [ ] Python | ||
| // * [x] IO is forbidden in top-level module scope | ||
| // * [x] Async local storage context is propagated into dynamic imports | ||
| // * [ ] require(...) Works in CommonJs Modules | ||
| // * [x] Static import correctly handles node: modules with/without the node: prefix | ||
| // * [x] Dynamic import correctly handles node: modules with/without the node: prefix | ||
| // * [x] Worker bundle can alias node: modules | ||
| // * [ ] require(...) correctly handles node: modules with/without the node: prefix | ||
| // * [ ] modules not found are correctly reported as errors | ||
| // * [ ] Circular dependencies are correctly handled | ||
| // * [ ] Errors during ESM evaluation are correctly reported | ||
| // * [ ] Errors during CommonJs evaluation are correctly reported | ||
| // * [ ] Errors during dynamic import are correctly reported | ||
| // * [ ] Errors in JSON module parsing are correctly reported | ||
| // * [ ] ESM with no default export is correctly reported as error | ||
| // * [ ] CommonJs modules correctly expose named exports | ||
| // * [ ] require('module').createRequire API works as expected | ||
| // * [ ] Fallback service works as expected | ||
| // * [ ] Module specifiers are correctly handled as URLs | ||
| // * [ ] Querys and fragments resolve new instances of known modules | ||
| // * [ ] URL resolution works correctly | ||
| // * [ ] Invalid URLs are correctly reported as errors | ||
| // * [ ] Import assertions should be rejected | ||
| // * [ ] console.log output correctly uses node-internal:inspect for output | ||
| // ... |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| using Workerd = import "/workerd/workerd.capnp"; | ||
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| const unitTests :Workerd.Config = ( | ||
| services = [ | ||
| ( name = "new-module-registry-test", | ||
| worker = ( | ||
| modules = [ | ||
| (name = "worker", esModule = embed "new-module-registry-test.js"), | ||
| (name = "foo", esModule = "export const foo = 1; export default 2; export const bar = import.meta.url"), | ||
| (name = "bar", esModule = "export const foo = 1; export default 2;"), | ||
| (name = "node:fs", esModule = "export default 'abc'"), | ||
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| # Intentionally bad module to test error handling. | ||
| # Evaluation will error because i/o is not permitted at top-level scope. | ||
| (name = "bad", esModule = "export default 1; setTimeout(() => {}, 10)"), | ||
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| # Ensure that async context is propagated into a dynamic import. | ||
| (name = "als", esModule = "export default globalThis.als.getStore()"), | ||
| ], | ||
| compatibilityDate = "2024-07-01", | ||
| compatibilityFlags = [ | ||
| "nodejs_compat_v2", | ||
| "new_module_registry", | ||
| "experimental", | ||
| ], | ||
| ) | ||
| ), | ||
| ], | ||
| ); |
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