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code-server/packages/protocol/test/util.test.ts

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import * as fs from "fs";
import * as util from "util";
import { argumentToProto, protoToArgument } from "../src/common/util";
describe("Convert", () => {
it("should convert nothing", () => {
expect(protoToArgument()).toBeUndefined();
});
it("should convert null", () => {
expect(protoToArgument(argumentToProto(null))).toBeNull();
});
it("should convert undefined", () => {
expect(protoToArgument(argumentToProto(undefined))).toBeUndefined();
});
it("should convert string", () => {
expect(protoToArgument(argumentToProto("test"))).toBe("test");
});
it("should convert number", () => {
expect(protoToArgument(argumentToProto(10))).toBe(10);
});
it("should convert boolean", () => {
expect(protoToArgument(argumentToProto(true))).toBe(true);
expect(protoToArgument(argumentToProto(false))).toBe(false);
});
it("should convert error", () => {
const error = new Error("message");
const convertedError = protoToArgument(argumentToProto(error));
expect(convertedError instanceof Error).toBeTruthy();
expect(convertedError.message).toBe("message");
});
it("should convert buffer", async () => {
const buffer = await util.promisify(fs.readFile)(__filename);
expect(buffer instanceof Buffer).toBeTruthy();
const convertedBuffer = protoToArgument(argumentToProto(buffer));
expect(convertedBuffer instanceof Buffer).toBeTruthy();
expect(convertedBuffer.toString()).toBe(buffer.toString());
});
it("should convert proxy", () => {
let i = 0;
const proto = argumentToProto(
{ onEvent: (): void => undefined },
undefined,
() => i++,
);
const proxy = protoToArgument(proto, undefined, (id) => {
return {
id: `created: ${id}`,
dispose: (): Promise<void> => Promise.resolve(),
onDone: (): Promise<void> => Promise.resolve(),
onEvent: (): Promise<void> => Promise.resolve(),
};
});
expect(proxy.id).toBe("created: 0");
});
it("should convert function", () => {
const fn = jest.fn();
// tslint:disable-next-line no-any
const map = new Map<number, (...args: any[]) => void>();
let i = 0;
const proto = argumentToProto(
fn,
(f) => {
map.set(i++, f);
return i - 1;
},
);
const remoteFn = protoToArgument(proto, (id, args) => {
map.get(id)!(...args);
});
remoteFn("a", "b", 1);
expect(fn).toHaveBeenCalledWith("a", "b", 1);
});
it("should convert array", () => {
const array = ["a", "b", 1, [1, "a"], null, undefined];
expect(protoToArgument(argumentToProto(array))).toEqual(array);
});
it("should convert object", () => {
const obj = { a: "test" };
// const obj = { "a": 1, "b": [1, "a"], test: null, test2: undefined };
expect(protoToArgument(argumentToProto(obj))).toEqual(obj);
});
});