@chemzqm/neovim/lib/__tests__/vim.test.js

NodeJS client API for vim9 and neovim

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
process.env.VIM_NODE_RPC = '1';
const helper = require('./helper');
let nvim;
beforeAll(async () => {
    nvim = await helper.setupVim();
});
afterAll(async () => {
    await helper.shutdown();
});
describe('Vim commands', () => {
    it('should eval', async () => {
        let res = await nvim.evalVim('1+1');
        expect(res).toBe(2);
        await expect(async () => {
            await nvim.evalVim('unknown');
        }).rejects.toThrow(Error);
        nvim.redrawVim();
    });
    it('should call vim function', async () => {
        // notify
        nvim.callVim('execute', ['let g:x = 33'], true);
        let res = await nvim.getVar('x');
        expect(res).toBe(33);
        // request
        res = await nvim.callVim('execute', ['echo "foo"']);
        expect(res).toMatch('foo');
        // error
        await expect(async () => {
            await nvim.callVim('not_exists_function');
        }).rejects.toThrow(Error);
    });
    it('should run vim command', async () => {
        nvim.exVim('let g:x = 666');
        let res = await nvim.getVar('x');
        expect(res).toBe(666);
    });
});
describe('Vim api', () => {
    it('should get current buffer, window, tabpage', async () => {
        let buf = await nvim.buffer;
        expect(buf.id).toBe(1);
        let win = await nvim.window;
        expect(win.id).toBe(1000);
        let tabpage = await nvim.tabpage;
        expect(tabpage.id).toBe(1);
    });
    it('should catch error', async () => {
        await expect(async () => {
            await nvim.call('execute', ['undefined']);
        }).rejects.toThrow(Error);
    });
    it('should create and delete autocmd', async () => {
        let group = await nvim.createAugroup('MyGroup', { clear: false });
        expect(typeof group).toBe('number');
        let res = await nvim.createAutocmd('BufEnter', { group: 'MyGroup', pattern: '*', command: 'let g:f = "bar"' });
        expect(typeof res).toBe('number');
        let output = await nvim.call('execute', 'autocmd BufEnter');
        expect(output).toMatch('bar');
        await nvim.command(`doautocmd <nomodeline> BufEnter`);
        let val = await nvim.getVar('f');
        expect(val).toBe('bar');
        nvim.deleteAutocmd(res);
        output = await nvim.call('execute', 'autocmd BufEnter');
        expect(output.includes('bar')).toBe(false);
    });
});