64 lines
2.0 KiB
TypeScript
64 lines
2.0 KiB
TypeScript
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import { mkdtempSync, rmSync, writeFileSync } from "node:fs"
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import { join } from "node:path"
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import { tmpdir } from "node:os"
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import { describe, it, expect, spyOn, mock } from "bun:test"
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mock.module("vscode-jsonrpc/node", () => ({
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createMessageConnection: () => {
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throw new Error("not used in unit test")
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},
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StreamMessageReader: function StreamMessageReader() {},
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StreamMessageWriter: function StreamMessageWriter() {},
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}))
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import { LSPClient } from "./client"
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import type { ResolvedServer } from "./types"
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describe("LSPClient", () => {
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describe("openFile", () => {
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it("sends didChange when a previously opened file changes on disk", async () => {
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// #given
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const dir = mkdtempSync(join(tmpdir(), "lsp-client-test-"))
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const filePath = join(dir, "test.ts")
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writeFileSync(filePath, "const a = 1\n")
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const originalSetTimeout = globalThis.setTimeout
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globalThis.setTimeout = ((fn: (...args: unknown[]) => void, _ms?: number) => {
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fn()
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return 0 as unknown as ReturnType<typeof setTimeout>
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}) as typeof setTimeout
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const server: ResolvedServer = {
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id: "typescript",
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command: ["typescript-language-server", "--stdio"],
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extensions: [".ts"],
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priority: 0,
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}
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const client = new LSPClient(dir, server)
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// Stub protocol output: we only want to assert notifications.
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const sendNotificationSpy = spyOn(
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client as unknown as { sendNotification: (m: string, p?: unknown) => void },
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"sendNotification"
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)
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try {
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// #when
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await client.openFile(filePath)
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writeFileSync(filePath, "const a = 2\n")
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await client.openFile(filePath)
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// #then
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const methods = sendNotificationSpy.mock.calls.map((c) => c[0])
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expect(methods).toContain("textDocument/didOpen")
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expect(methods).toContain("textDocument/didChange")
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} finally {
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globalThis.setTimeout = originalSetTimeout
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rmSync(dir, { recursive: true, force: true })
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}
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})
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})
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})
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