test: improve coverage for readline.Interface

Add tests in parallel/test-readline-interface to increase coverage

PR-URL: https://github.com/nodejs/node/pull/20704
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This commit is contained in:
Masashi Hirano 2018-05-14 00:22:27 +09:00 committed by James M Snell
parent 9461f327f5
commit f51c44d325

View File

@ -613,6 +613,43 @@ function isWarned(emitter) {
rli.close();
}
{
// Back and Forward one character
const fi = new FakeInput();
const rli = new readline.Interface({
input: fi,
output: fi,
prompt: '',
terminal: terminal
});
fi.emit('data', 'the quick brown fox');
let cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 19);
// Back one character
fi.emit('keypress', '.', { ctrl: true, name: 'b' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 18);
// Back one character
fi.emit('keypress', '.', { ctrl: true, name: 'b' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 17);
// Forward one character
fi.emit('keypress', '.', { ctrl: true, name: 'f' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 18);
// Forward one character
fi.emit('keypress', '.', { ctrl: true, name: 'f' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 19);
rli.close();
}
{
// `wordLeft` and `wordRight`
const fi = new FakeInput();
@ -728,6 +765,117 @@ function isWarned(emitter) {
});
}
// deleteLeft
{
const fi = new FakeInput();
const rli = new readline.Interface({
input: fi,
output: fi,
prompt: '',
terminal: terminal
});
fi.emit('data', 'the quick brown fox');
let cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 19);
// Delete left character
fi.emit('keypress', '.', { ctrl: true, name: 'h' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 18);
rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, 'the quick brown fo');
}));
fi.emit('data', '\n');
rli.close();
}
// deleteRight
{
const fi = new FakeInput();
const rli = new readline.Interface({
input: fi,
output: fi,
prompt: '',
terminal: terminal
});
fi.emit('data', 'the quick brown fox');
// Go to the start of the line
fi.emit('keypress', '.', { ctrl: true, name: 'a' });
let cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 0);
// Delete right character
fi.emit('keypress', '.', { ctrl: true, name: 'd' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 0);
rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, 'he quick brown fox');
}));
fi.emit('data', '\n');
rli.close();
}
// deleteLineLeft
{
const fi = new FakeInput();
const rli = new readline.Interface({
input: fi,
output: fi,
prompt: '',
terminal: terminal
});
fi.emit('data', 'the quick brown fox');
let cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 19);
// Delete from current to start of line
fi.emit('keypress', '.', { ctrl: true, shift: true, name: 'backspace' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 0);
rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, '');
}));
fi.emit('data', '\n');
rli.close();
}
// deleteLineRight
{
const fi = new FakeInput();
const rli = new readline.Interface({
input: fi,
output: fi,
prompt: '',
terminal: terminal
});
fi.emit('data', 'the quick brown fox');
// Go to the start of the line
fi.emit('keypress', '.', { ctrl: true, name: 'a' });
let cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 0);
// Delete from current to end of line
fi.emit('keypress', '.', { ctrl: true, shift: true, name: 'delete' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 0);
rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, '');
}));
fi.emit('data', '\n');
rli.close();
}
// multi-line cursor position
{
const fi = new FakeInput();
@ -742,6 +890,29 @@ function isWarned(emitter) {
const cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 1);
assert.strictEqual(cursorPos.cols, 5);
rli.close();
}
// Clear the whole screen
{
const fi = new FakeInput();
const rli = new readline.Interface({
input: fi,
output: fi,
prompt: '',
terminal: terminal
});
const lines = ['line 1', 'line 2', 'line 3'];
fi.emit('data', lines.join('\n'));
fi.emit('keypress', '.', { ctrl: true, name: 'l' });
const cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 6);
rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, 'line 3');
}));
fi.emit('data', '\n');
rli.close();
}
}