José Almeida
93 lines
2.7 KiB
TypeScript
93 lines
2.7 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { buildDocumentContentChanges, buildDocumentSaveParams } from "./lsp-document-sync";
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describe("buildDocumentContentChanges", () => {
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it.each([1, { change: 1 }])("sends full text for full synchronization (%j)", (sync) => {
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expect(buildDocumentContentChanges({ textDocumentSync: sync }, "before", "after")).toEqual([
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{ text: "after" },
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]);
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});
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it("builds one minimal UTF-16 ranged change for incremental synchronization", () => {
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expect(
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buildDocumentContentChanges(
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{ textDocumentSync: { change: 2 } },
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"head\n😀foo\ntail",
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"head\n😀bar\ntail",
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),
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).toEqual([
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{
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range: {
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start: { line: 1, character: 2 },
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end: { line: 1, character: 5 },
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},
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text: "bar",
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},
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]);
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});
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it("does not split a UTF-16 surrogate pair at a change boundary", () => {
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expect(buildDocumentContentChanges({ textDocumentSync: 2 }, "😀 stable", "😁 stable")).toEqual([
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{
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range: {
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start: { line: 0, character: 0 },
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end: { line: 0, character: 2 },
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},
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text: "😁",
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},
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]);
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});
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it("does not split a CRLF line ending at a change boundary", () => {
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expect(buildDocumentContentChanges({ textDocumentSync: 2 }, "a\r\nb", "a\nb")).toEqual([
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{
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range: {
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start: { line: 0, character: 1 },
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end: { line: 1, character: 0 },
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},
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text: "\n",
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},
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]);
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});
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it.each([undefined, 0, { change: 0 }, { change: 99 }])(
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"does not synchronize when the server advertises no supported change kind (%j)",
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(sync) => {
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expect(buildDocumentContentChanges({ textDocumentSync: sync }, "before", "after")).toEqual(
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[],
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);
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},
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);
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});
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describe("buildDocumentSaveParams", () => {
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const uri = "file:///workspace/Main.kt";
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const savedText = "saved text";
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it.each([true, {}, { includeText: false }])(
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"builds a didSave notification without text for save support (%j)",
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(save) => {
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expect(buildDocumentSaveParams({ textDocumentSync: { save } }, uri, savedText)).toEqual({
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textDocument: { uri },
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});
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},
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);
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it("includes the persisted snapshot when the server requests it", () => {
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expect(
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buildDocumentSaveParams(
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{ textDocumentSync: { save: { includeText: true } } },
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uri,
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savedText,
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),
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).toEqual({ textDocument: { uri }, text: savedText });
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});
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it.each([undefined, 1, { change: 2 }, { save: false }, { save: "invalid" }])(
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"does not notify when save synchronization is unsupported (%j)",
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(sync) => {
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expect(buildDocumentSaveParams({ textDocumentSync: sync }, uri, savedText)).toBeNull();
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},
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);
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});
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