mirror of https://github.com/webpack/webpack.git
59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
const chunkLoadingSpy = jest.spyOn(__webpack_require__, "e");
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it("should not have duplicate chunks in blocks", function (done) {
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let i = 0;
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const d = () => {
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if (i++ >= 3) done();
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};
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// This split point should contain: a
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require.ensure(
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[],
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function (require) {
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expect(require("./a")).toBe("a");
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d();
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},
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"a"
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);
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// This split point should contain: a and b - we use CommonsChunksPlugin to
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// have it only contain b and make chunk a be an async dependency.
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require.ensure(
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[],
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function (require) {
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expect(require("./a")).toBe("a");
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expect(require("./b")).toBe("b");
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d();
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},
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"a+b"
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);
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// This split point should contain: a, b and c - we use CommonsChunksPlugin to
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// have it only contain c and make chunks a and a+b be async dependencies.
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require.ensure(
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[],
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function (require) {
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expect(require("./a")).toBe("a");
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expect(require("./b")).toBe("b");
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expect(require("./c")).toBe("c");
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d();
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},
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"a+b+c"
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);
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// Each of the require.ensures above should end up resolving chunks:
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// - a
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// - a, a+b
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// - a, a+b, a+b+c
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expect(chunkLoadingSpy.mock.calls.length).toBe(6);
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expect(chunkLoadingSpy.mock.calls).toEqual([
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["a"],
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["a"],
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["a+b" /* == b */],
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["a"],
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["a+b" /* == b */],
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["a+b+c" /* == c */]
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]);
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d();
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});
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