41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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beginPreviewFrameRender,
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completePreviewFrameRender
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} from "../src/preview-frame-visibility";
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function createTarget() {
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return {
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dataset: {} as DOMStringMap
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};
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}
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describe("分页 iframe 渲染可见性", () => {
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it("渲染期间隐藏，当前请求完成后恢复显示", () => {
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const target = createTarget();
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beginPreviewFrameRender(target, 12);
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expect(target.dataset).toMatchObject({
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rendering: "true",
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renderingRequestId: "12"
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});
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expect(completePreviewFrameRender(target, 12)).toBe(true);
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expect(target.dataset.rendering).toBeUndefined();
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expect(target.dataset.renderingRequestId).toBeUndefined();
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});
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it("旧请求完成时不会提前显示新请求的半成品", () => {
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const target = createTarget();
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beginPreviewFrameRender(target, 12);
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beginPreviewFrameRender(target, 13);
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expect(completePreviewFrameRender(target, 12)).toBe(false);
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expect(target.dataset).toMatchObject({
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rendering: "true",
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renderingRequestId: "13"
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});
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});
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});
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