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nodejs/test/simple/test-readline.js
2010-08-23 01:47:41 -07:00

83 lines
2.1 KiB
JavaScript

common = require("../common");
assert = common.assert;
var readline = require("readline");
var key = {
xterm: {
home: [27, 91, 72],
end: [27, 91, 70],
metab: [27, 98],
metaf: [27, 102]
},
gnome: {
home: [27, 79, 72],
end: [27, 79, 70]
},
rxvt: {
home: [27, 91, 55],
end: [27, 91, 56]
}
};
var readlineFakeStream = function() {
var written_bytes = [];
var rl = readline.createInterface({
fd: 1,
write: function(b) {
written_bytes.push(b);
}}, function (text) {
return [[], ""];
});
rl.written_bytes = written_bytes;
return rl;
};
var rl = readlineFakeStream();
var written_bytes_length, refreshed;
rl.write('foo');
assert.equal(3, rl.cursor);
rl.write(key.xterm.home);
assert.equal(0, rl.cursor);
rl.write(key.xterm.end);
assert.equal(3, rl.cursor);
rl.write(key.rxvt.home);
assert.equal(0, rl.cursor);
rl.write(key.rxvt.end);
assert.equal(3, rl.cursor);
rl.write(key.gnome.home);
assert.equal(0, rl.cursor);
rl.write(key.gnome.end);
assert.equal(3, rl.cursor);
rl = readlineFakeStream();
rl.write('foo bar.hop/zoo');
rl.write(key.xterm.home);
written_bytes_length = rl.written_bytes.length;
rl.write(key.xterm.metaf);
assert.equal(3, rl.cursor);
refreshed = written_bytes_length !== rl.written_bytes.length;
assert.equal(true, refreshed);
rl.write(key.xterm.metaf);
assert.equal(7, rl.cursor);
rl.write(key.xterm.metaf);
assert.equal(11, rl.cursor);
written_bytes_length = rl.written_bytes.length;
rl.write(key.xterm.metaf);
assert.equal(15, rl.cursor);
refreshed = written_bytes_length !== rl.written_bytes.length;
assert.equal(true, refreshed);
written_bytes_length = rl.written_bytes.length;
rl.write(key.xterm.metab);
assert.equal(12, rl.cursor);
refreshed = written_bytes_length !== rl.written_bytes.length;
assert.equal(true, refreshed);
rl.write(key.xterm.metab);
assert.equal(8, rl.cursor);
rl.write(key.xterm.metab);
assert.equal(4, rl.cursor);
written_bytes_length = rl.written_bytes.length;
rl.write(key.xterm.metab);
assert.equal(0, rl.cursor);
refreshed = written_bytes_length !== rl.written_bytes.length;
assert.equal(true, refreshed);