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test: improve lib/internal/readline/promises.js coverage #42420

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Merged
merged 6 commits into from
Apr 3, 2022
Merged

test: improve lib/internal/readline/promises.js coverage #42420

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ee4cd15
test: improve lib/internal/readline/promises.js coverage
fossamagna Mar 21, 2022
2c52120
test: remove unnecessary await keyword
fossamagna Mar 22, 2022
19a968b
test: use destructuring assignment
fossamagna Mar 22, 2022
b215d31
test: make test more readable
fossamagna Mar 24, 2022
5c980e5
Apply suggestions from code review
fossamagna Mar 24, 2022
9630466
test: fix lint error
fossamagna Mar 24, 2022
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82 changes: 82 additions & 0 deletions test/parallel/test-readline-promises-csi.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -161,3 +161,85 @@ class TestWritable extends Writable {

await assert.rejects(readline.cursorTo(1).commit(), error);
}

{
const writable = new TestWritable();
const readline = new Readline(writable, { autoCommit: true });

await readline.clearScreenDown();
process.nextTick(() => assert.deepStrictEqual(writable.data, CSI.kClearScreenDown));
}

{
const writable = new TestWritable();
const readline = new Readline(writable, { autoCommit: true });
for (const set of
[
[-1, CSI.kClearToLineBeginning],
[1, CSI.kClearToLineEnd],
[0, CSI.kClearLine],
]) {
const test = async (dir, data) => {
writable.data = '';
await readline.clearLine(dir);
return new Promise((resolve) => {
process.nextTick(() => {
assert.deepStrictEqual(writable.data, data);
resolve();
});
});
};
await test(set[0], set[1]);
}
}

{
const writable = new TestWritable();
const readline = new Readline(writable, { autoCommit: true });
for (const set of
[
[0, 0, ''],
[1, 0, '\x1b[1C'],
[-1, 0, '\x1b[1D'],
[0, 1, '\x1b[1B'],
[0, -1, '\x1b[1A'],
[1, 1, '\x1b[1C\x1b[1B'],
[-1, 1, '\x1b[1D\x1b[1B'],
[-1, -1, '\x1b[1D\x1b[1A'],
[1, -1, '\x1b[1C\x1b[1A'],
]) {
const test = async (x, y, data) => {
writable.data = '';
await readline.moveCursor(x, y);
return new Promise((resolve) => {
process.nextTick(() => {
assert.strictEqual(writable.data, data);
resolve();
});
});
};
await test(set[0], set[1], set[2]);
}
}

{
const writable = new TestWritable();
const readline = new Readline(writable, { autoCommit: true });
for (const set of
[
[1, undefined, '\x1b[2G'],
[1, 2, '\x1b[3;2H'],
]) {
const test = async (x, y, data) => {
writable.data = '';
await readline.cursorTo(x, y);
return new Promise((resolve) => {
process.nextTick(() => {
assert.strictEqual(writable.data, data);
resolve();
});
});
};
await test(set[0], set[1], set[2]);
}
}