import { describe, expect, it } from "vite-plus/test"; import { applyDiffRangesToTokens, computeWordAltDiffRanges } from "./reviewWordDiffs"; describe("computeWordAltDiffRanges", () => {  it("joins adjacent word replacements across a single shared separator", () => {    const ranges = computeWordAltDiffRanges({      deletionLine: "old old",      additionLine: "new new",    });     expect(ranges.deletion).toEqual([{ start: 0, end: "old old".length }]);    expect(ranges.addition).toEqual([{ start: 0, end: "new new".length }]);  });   it("skips inline word diffs for long lines", () => {    const longDeletion = `const before = "${"a".repeat(1_001)}";`;    const longAddition = `const after = "${"b".repeat(1_001)}";`;     const ranges = computeWordAltDiffRanges({      deletionLine: longDeletion,      additionLine: longAddition,    });     expect(ranges.deletion).toEqual([]);    expect(ranges.addition).toEqual([]);  });}); describe("applyDiffRangesToTokens", () => {  it("splits highlighted fragments out of syntax tokens", () => {    const tokens = [      {        content: "const before = 1;",        color: "#fff",        fontStyle: null,      },    ];    const nextTokens = applyDiffRangesToTokens(tokens, [{ start: 6, end: 12 }]);     expect(nextTokens).toEqual([      {        content: "const ",        color: "#fff",        fontStyle: null,        diffHighlight: false,      },      {        content: "before",        color: "#fff",        fontStyle: null,        diffHighlight: true,      },      {        content: " = 1;",        color: "#fff",        fontStyle: null,        diffHighlight: false,      },    ]);  });   it("skips exhausted ranges when later tokens start after the last range", () => {    const tokens = [      {        content: "a",        color: "#fff",        fontStyle: null,      },      {        content: "b",        color: "#fff",        fontStyle: null,      },    ];     const nextTokens = applyDiffRangesToTokens(tokens, [{ start: 0, end: 1 }]);     expect(nextTokens).toEqual([      {        content: "a",        color: "#fff",        fontStyle: null,        diffHighlight: true,      },      {        content: "b",        color: "#fff",        fontStyle: null,      },    ]);  });});