alexion
6081e3e325
Imported as a linear vendor commit so forge rebases do not replay the upstream root tree. git-subtree-dir: third_party/pi git-subtree-split: 71023aec1546d6d677a65669c5665c0927ce0dd0
59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
import { describe, expect, it, vi } from "vitest";
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const state = vi.hoisted(() => ({
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jitiModuleLoads: 0,
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jitiStaticModuleLoads: 0,
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virtualModulesLoads: 0,
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createJiti: vi.fn((_id: unknown, _options: unknown) => ({
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import: vi.fn(async () => () => {}),
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})),
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}));
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vi.mock("jiti", () => {
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state.jitiModuleLoads++;
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return { createJiti: state.createJiti };
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});
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vi.mock("jiti/static", () => {
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state.jitiStaticModuleLoads++;
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return { createJiti: state.createJiti };
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});
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vi.mock("../../../src/core/extensions/virtual-modules.ts", () => {
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state.virtualModulesLoads++;
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return { VIRTUAL_MODULES: {} };
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});
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import { loadExtensions } from "../../../src/core/extensions/loader.ts";
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interface JitiOptionsProbe {
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alias?: unknown;
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tryNative?: boolean;
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tsconfigPaths?: boolean;
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virtualModules?: Record<string, unknown>;
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}
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describe("extension loader lazy imports", () => {
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// Regression test for #9540.
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it("defers ordinary jiti and its virtual modules until importing an extension", async () => {
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expect(state.jitiModuleLoads).toBe(0);
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expect(state.jitiStaticModuleLoads).toBe(0);
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expect(state.virtualModulesLoads).toBe(0);
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const result = await loadExtensions(["/extension.ts"], "/");
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expect(result.errors).toEqual([]);
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expect(result.extensions).toHaveLength(1);
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expect(state.jitiModuleLoads).toBe(1);
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expect(state.jitiStaticModuleLoads).toBe(0);
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expect(state.virtualModulesLoads).toBe(1);
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expect(state.createJiti).toHaveBeenCalledOnce();
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const options = state.createJiti.mock.calls[0][1] as JitiOptionsProbe;
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expect(options.tryNative).toBeUndefined();
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expect(options.tsconfigPaths).toBe(true);
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expect(options.alias).toBeUndefined();
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expect(options.virtualModules).toBeDefined();
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});
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});
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