34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
import module1 from "./module?1";
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import module2, { a } from "./module?2";
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it("should allow mutating imported modules (changing existing exports)", () => {
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expect(module1.abc).toBe("abc");
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expect(module1.def).toBe("def");
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module1.abc = "new-abc";
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expect(module1.abc).toBe("new-abc");
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expect(module1.def).toBe("def");
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});
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it("should allow mutating imported modules (adding new properties)", () => {
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expect(module2.abc).toBe("abc");
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expect(module2.def).toBe("def");
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expect(module2.ghi).toBe(undefined);
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expect(module2.Oi).toBe(undefined);
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expect(module2.a).toBe(undefined);
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expect(a).toBe(undefined);
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expect(module2[""]).toBe(undefined);
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module2.ghi = "ghi";
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module2.Oi = "Oi";
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module2.a = "a";
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module2[""] = {};
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module2[""].abc = "abc";
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expect(module2.abc).toBe("abc");
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expect(module2.def).toBe("def");
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expect(module2.ghi).toBe("ghi");
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expect(module2.Oi).toBe("Oi");
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expect(module2.a).toBe("a");
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expect(a).toBe("a");
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expect(module2[""]).toEqual({ abc: "abc" });
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expect(module2[""].abc).toBe("abc");
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});
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