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test.js
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test.js
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import test from 'ava';
import Terminal from 'terminal.js';
import {createLogUpdate} from './index.js';
const setup = options => {
const terminal = new Terminal(options);
terminal.rows = options.rows;
terminal.columns = options.columns;
terminal.state.setMode('crlf', true);
const log = createLogUpdate(terminal);
return {terminal, log};
};
test('output a single line', t => {
const {terminal, log} = setup({rows: 10, columns: 80});
log('goodbye, world');
t.is(terminal.state.getLine(0).str, 'goodbye, world');
});
test('update a single line', t => {
const {terminal, log} = setup({rows: 10, columns: 80});
log('greetings, world');
log('hello, world');
log('goodbye, world');
t.is(terminal.state.getLine(0).str, 'goodbye, world');
});
test('output a wrapped line', t => {
const {terminal, log} = setup({rows: 3, columns: 20});
log('this is a very long line that will wrap to the next line');
t.is(terminal.state.getLine(0).str, 'line that will wrap ');
t.is(terminal.state.getLine(1).str, 'to the next line');
});
test('output beyond terminal height', t => {
const {terminal, log} = setup({rows: 3, columns: 20});
log('line 1\nline 2\nline 3');
t.is(terminal.state.getLine(0).str, 'line 2');
t.is(terminal.state.getLine(1).str, 'line 3');
t.is(terminal.state.getLine(2).str, '');
});
test('output beyond terminal height with color', t => {
const {terminal, log} = setup({rows: 3, columns: 20});
log('\u001B[32m√\u001B[39mline 1\nline 2\nline 3');
t.is(terminal.state.getLine(0).str, 'line 2');
t.is(terminal.state.getLine(1).str, 'line 3');
t.is(terminal.state.getLine(2).str, '');
});
test('output beyond terminal height with multi-line color', t => {
const {terminal, log} = setup({rows: 3, columns: 20});
log('\u001B[32m√line 1\nline 2\nline 3\u001B[39m');
t.is(terminal.state.getLine(0).str, 'line 2');
t.is(terminal.state.getLine(1).str, 'line 3');
t.is(terminal.state.getLine(2).str, '');
});
test('growing output', t => {
const {terminal, log} = setup({rows: 4, columns: 20});
log('one line');
t.is(terminal.state.getLine(0).str, 'one line');
log('one line\ntwo line');
t.is(terminal.state.getLine(0).str, 'one line');
t.is(terminal.state.getLine(1).str, 'two line');
log('one line\ntwo line\nred line');
t.is(terminal.state.getLine(0).str, 'one line');
t.is(terminal.state.getLine(1).str, 'two line');
t.is(terminal.state.getLine(2).str, 'red line');
t.is(terminal.state.getLine(3).str, '');
log('one line\ntwo line\nred line\nblue line');
t.is(terminal.state.getLine(0).str, 'two line');
t.is(terminal.state.getLine(1).str, 'red line');
t.is(terminal.state.getLine(2).str, 'blue line');
t.is(terminal.state.getLine(3).str, ''); // Always a blank last line
});
test('growing output from top', t => {
const {terminal, log} = setup({rows: 4, columns: 20});
log('blue line');
t.is(terminal.state.getLine(0).str, 'blue line');
log('red line\nblue line');
t.is(terminal.state.getLine(0).str, 'red line');
t.is(terminal.state.getLine(1).str, 'blue line');
log('two line\nred line\nblue line');
t.is(terminal.state.getLine(0).str, 'two line');
t.is(terminal.state.getLine(1).str, 'red line');
t.is(terminal.state.getLine(2).str, 'blue line');
t.is(terminal.state.getLine(3).str, '');
log('one line\ntwo line\nred line\nblue line');
t.is(terminal.state.getLine(0).str, 'two line');
t.is(terminal.state.getLine(1).str, 'red line');
t.is(terminal.state.getLine(2).str, 'blue line');
t.is(terminal.state.getLine(3).str, ''); // Always a blank last line
});
test('shrinking output', t => {
const {terminal, log} = setup({rows: 4, columns: 20});
log('one line\ntwo line\nred line\nblue line');
t.is(terminal.state.getLine(0).str, 'two line');
t.is(terminal.state.getLine(1).str, 'red line');
t.is(terminal.state.getLine(2).str, 'blue line');
t.is(terminal.state.getLine(3).str, ''); // Always a blank last line
log('one line\ntwo line\nred line');
t.is(terminal.state.getLine(0).str, 'one line');
t.is(terminal.state.getLine(1).str, 'two line');
t.is(terminal.state.getLine(2).str, 'red line');
t.is(terminal.state.getLine(3).str, '');
log('one line\ntwo line');
t.is(terminal.state.getLine(0).str, 'one line');
t.is(terminal.state.getLine(1).str, 'two line');
log('one line');
t.is(terminal.state.getLine(0).str, 'one line');
});
test('lots of updates', t => {
const {terminal, log} = setup({rows: 4, columns: 20});
for (let i = 0; i < 100; i++) {
log([
`[1] ${(i ** 3) + 11}`,
`[2] ${(i ** 2) + (10 * i) - 100}`,
].join('\n'));
}
t.is(terminal.state.getLine(0).str, '[1] 970310');
t.is(terminal.state.getLine(1).str, '[2] 10691');
});
test('log.done', t => {
const {terminal, log} = setup({rows: 10, columns: 80});
log('Fun families are all similar');
log('Happy families are all similar');
log.done();
log('Happy families are all alike; every unhappy family has its own way');
log('Happy families are all alike; every unhappy family is unhappy in its own way');
log.done();
t.is(terminal.state.getLine(0).str, 'Happy families are all similar');
t.is(terminal.state.getLine(1).str, 'Happy families are all alike; every unhappy family is unhappy in its own way');
});
test('log.clear', t => {
const {terminal, log} = setup({rows: 10, columns: 80});
log('Info');
log.clear();
log.done();
log('Second Info');
t.is(terminal.state.getLine(0).str, 'Second Info');
});