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@@ -1,6 +1,8 @@
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import { describe, expect, spyOn, test } from "bun:test"
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import path from "path"
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+import fs from "fs/promises"
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import * as Lsp from "../../src/lsp/index"
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+import * as launch from "../../src/lsp/launch"
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import { LSPServer } from "../../src/lsp/server"
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import { Instance } from "../../src/project/instance"
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import { tmpdir } from "../fixture/fixture"
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@@ -52,4 +54,80 @@ describe("lsp.spawn", () => {
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await Instance.disposeAll()
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}
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})
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+
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+ test("spawns builtin Typescript LSP with correct arguments", async () => {
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+ await using tmp = await tmpdir()
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+
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+ // Create dummy tsserver to satisfy Module.resolve
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+ const tsdk = path.join(tmp.path, "node_modules", "typescript", "lib")
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+ await fs.mkdir(tsdk, { recursive: true })
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+ await fs.writeFile(path.join(tsdk, "tsserver.js"), "")
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+
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+ const spawnSpy = spyOn(launch, "spawn").mockImplementation(
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+ () =>
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+ ({
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+ stdin: {},
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+ stdout: {},
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+ stderr: {},
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+ on: () => {},
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+ kill: () => {},
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+ }) as any,
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+ )
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+
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+ try {
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+ await Instance.provide({
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+ directory: tmp.path,
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+ fn: async () => {
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+ await LSPServer.Typescript.spawn(tmp.path)
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+ },
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+ })
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+
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+ expect(spawnSpy).toHaveBeenCalled()
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+ const args = spawnSpy.mock.calls[0][1] as string[]
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+
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+ expect(args).toContain("--tsserver-path")
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+ expect(args).toContain("--tsserver-log-verbosity")
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+ expect(args).toContain("off")
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+ } finally {
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+ spawnSpy.mockRestore()
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+ }
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+ })
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+
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+ test("spawns builtin Typescript LSP with --ignore-node-modules if no config is found", async () => {
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+ await using tmp = await tmpdir()
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+
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+ // Create dummy tsserver to satisfy Module.resolve
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+ const tsdk = path.join(tmp.path, "node_modules", "typescript", "lib")
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+ await fs.mkdir(tsdk, { recursive: true })
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+ await fs.writeFile(path.join(tsdk, "tsserver.js"), "")
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+
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+ // NO tsconfig.json or jsconfig.json created here
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+
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+ const spawnSpy = spyOn(launch, "spawn").mockImplementation(
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+ () =>
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+ ({
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+ stdin: {},
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+ stdout: {},
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+ stderr: {},
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+ on: () => {},
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+ kill: () => {},
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+ }) as any,
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+ )
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+
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+ try {
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+ await Instance.provide({
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+ directory: tmp.path,
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+ fn: async () => {
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+ await LSPServer.Typescript.spawn(tmp.path)
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+ },
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+ })
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+
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+ expect(spawnSpy).toHaveBeenCalled()
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+ const args = spawnSpy.mock.calls[0][1] as string[]
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+
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+ expect(args).toContain("--ignore-node-modules")
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+ } finally {
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+ spawnSpy.mockRestore()
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+ }
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+ })
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})
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