aws-cdk/test/api/util/display.test.js

CDK Toolkit, the command line tool for CDK apps

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-disable import/order */
const display_1 = require("../../../lib/api/util/display");
const console_listener_1 = require("../console-listener");
describe('Rewritable Block Tests', () => {
    let block;
    beforeEach(() => {
        block = new display_1.RewritableBlock(process.stderr);
        process.stderr.rows = 80;
    });
    test('displayLines writes maximum lines based on rows if there are more lines than rows', () => {
        const lines = Array.from(Array(100).keys()).map(line => line.toString());
        const output = console_listener_1.stderr.inspectSync(() => {
            block.displayLines(lines);
        });
        expect(output.length).toEqual(block.height);
    });
    test('displayLines writes maximum lines based on lines length if there are less lines than rows', () => {
        const lines = Array.from(Array(45).keys()).map(line => line.toString());
        const output = console_listener_1.stderr.inspectSync(() => {
            block.displayLines(lines);
        });
        expect(output.length).toEqual(46);
    });
    test('displayLines writes maximum lines based on lines length if rows is undefined', () => {
        const lines = Array.from(Array(5).keys()).map(line => line.toString());
        process.stderr.rows = undefined;
        const output = console_listener_1.stderr.inspectSync(() => {
            block.displayLines(lines);
        });
        expect(output.length).toEqual(6);
    });
    test('display accounts for newlines in output', () => {
        const output = console_listener_1.stderr.inspectSync(() => {
            block.displayLines(['before\nafter']);
        });
        expect(output.length).toEqual(3); // cursorup + 2 lines
    });
    test('removeEmptyLines only removes trailing lines', () => {
        console_listener_1.stderr.inspectSync(() => {
            block.displayLines(Array.from(Array(5).keys()).map(x => `${x}`));
        });
        console_listener_1.stderr.inspectSync(() => {
            // Leaves 3 empty lines
            block.displayLines(Array.from(Array(2).keys()).map(x => `${x}`));
        });
        const output = console_listener_1.stderr.inspectSync(() => {
            block.removeEmptyLines();
        });
        const expectedEmptyLines = 3;
        expect(JSON.stringify(output)).toEqual(JSON.stringify([`\u001b[${expectedEmptyLines}A`]));
    });
});
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