80 lines
2.5 KiB
TypeScript
80 lines
2.5 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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comparePdfSnapshotsBasic,
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createPdfDocumentSnapshot,
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type PdfDocumentSnapshot,
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} from "../src/index.js";
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import { createMinimalPdf } from "./pdf-fixture.js";
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async function snapshot(
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label: string,
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text = "Visual diff fixture",
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width = 595,
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height = 842,
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): Promise<PdfDocumentSnapshot> {
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return createPdfDocumentSnapshot(createMinimalPdf(text, width, height), {
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source: { kind: "custom", label },
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includeRaster: false,
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});
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}
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describe("PDF 基础视觉门禁", () => {
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it("通过纸张和正文一致的文档", async () => {
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const baseline = await snapshot("baseline");
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const candidate = await snapshot("candidate");
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const result = comparePdfSnapshotsBasic(baseline, candidate);
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expect(result.status).toBe("passed");
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expect(result.contentSimilarity).toBe(1);
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expect(result.issues).toEqual([]);
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});
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it("拒绝纸张尺寸和正文内容偏差", async () => {
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const baseline = await snapshot("baseline");
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const candidate = await snapshot("candidate", "Different content", 612);
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const result = comparePdfSnapshotsBasic(baseline, candidate);
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expect(result.status).toBe("failed");
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expect(result.issues.map((issue) => issue.code)).toEqual(
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expect.arrayContaining(["PAGE_SIZE_MISMATCH", "CONTENT_MISMATCH"]),
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);
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});
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it("内容完整性比较不受重新换行影响", async () => {
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const baseline = await snapshot("baseline", "same content");
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const candidate = await snapshot("candidate", "samecontent");
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const result = comparePdfSnapshotsBasic(baseline, candidate);
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expect(result.contentSimilarity).toBe(1);
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expect(result.status).toBe("passed");
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});
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it("页数不一致时仍保留溢出页配对记录", async () => {
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const baseline = await snapshot("baseline");
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const candidatePage = (await snapshot("candidate")).pages[0];
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if (!candidatePage) {
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throw new Error("测试快照缺少页面");
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}
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const candidate: PdfDocumentSnapshot = {
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...(await snapshot("candidate")),
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pageCount: 2,
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pages: [
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candidatePage,
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{
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...candidatePage,
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pageNumber: 2,
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contentText: "",
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items: [],
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lines: [],
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},
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],
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};
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const result = comparePdfSnapshotsBasic(baseline, candidate);
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expect(result.pagePairs[1]).toEqual({
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candidatePageNumber: 2,
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status: "candidate-only",
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});
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expect(result.issues.map((issue) => issue.code)).toContain(
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"UNPAIRED_CANDIDATE_PAGE",
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);
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});
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});
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