From f51c44d32560439f214c4594bb2f8242ca1789a2 Mon Sep 17 00:00:00 2001 From: Masashi Hirano Date: Mon, 14 May 2018 00:22:27 +0900 Subject: [PATCH] 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 Reviewed-By: Trivikram Kamat Reviewed-By: James M Snell Reviewed-By: Ruben Bridgewater --- test/parallel/test-readline-interface.js | 171 +++++++++++++++++++++++ 1 file changed, 171 insertions(+) diff --git a/test/parallel/test-readline-interface.js b/test/parallel/test-readline-interface.js index 30afba843a2d98..0550019e64f46f 100644 --- a/test/parallel/test-readline-interface.js +++ b/test/parallel/test-readline-interface.js @@ -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(); } }