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test.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>JSSpec results</title>
<link rel="stylesheet" type="text/css" href="jsscript/JSSpec.css" />
<script type="text/javascript" src="jsscript/diff_match_patch.js"></script>
<script type="text/javascript" src="jsscript/JSSpec.js"></script>
<script type="text/javascript" src="vurm.js"></script>
<script type="text/javascript">// <![CDATA[
describe('translate abc pitch/rest prefix to notes', {
'before': function () {
tokeniser = new AbcPitchTokeniser();
},
"reads rest properly": function(){
value_of(tokeniser.convert("zzzz")).should_be({ chars: 1 });
},
"reads middle C properly": function(){
value_of(tokeniser.convert("Czzzz")).should_be({ chars: 1, ledger: 0 });
},
"reads middle C# properly": function(){
value_of(tokeniser.convert("^Czzzz")).should_be({ chars: 2, ledger: 0, sharps: 1 });
},
"reads middle C## properly": function(){
value_of(tokeniser.convert("^^Czzzz")).should_be({ chars: 3, ledger: 0, sharps: 2 });
},
"reads middle Gb properly": function(){
value_of(tokeniser.convert("_Gzzz")).should_be({ chars: 2, ledger: 4, sharps: -1 });
},
"reads middle Gbb properly": function(){
value_of(tokeniser.convert("__Gezzz")).should_be({ chars: 3, ledger: 4, sharps: -2 });
},
"reads upper c properly": function(){
value_of(tokeniser.convert("czzzz")).should_be({ chars: 1, ledger: 7 });
},
"reads upper C' properly": function(){
value_of(tokeniser.convert("C'zzzz")).should_be({ chars: 2, ledger: 7 });
},
"reads C',' properly": function(){
value_of(tokeniser.convert("C,''zzzz")).should_be({ chars: 4, ledger: 7 });
},
"reads E,, properly": function(){
value_of(tokeniser.convert("E,,zzzz")).should_be({ chars: 3, ledger: 2 - 14 });
},
"reads A' properly": function(){
value_of(tokeniser.convert("A'zzzz")).should_be({ chars: 2, ledger: 5 + 7});
},
"ignores ' properly": function(){
value_of(tokeniser.convert("'zzzz")).should_be(null);
},
}
);
describe('translate abc prefix to durations', {
'before': function () {
tokeniser = new AbcDurationTokeniser();
},
"defaults empty properly": function(){
value_of(tokeniser.convert("Czzzz")).should_be({ chars: 0, dots: undefined, numer: 1, denom: 1 });
},
"reads postdots properly": function(){
value_of(tokeniser.convert("<<<>Czzzz")).should_be({ chars: 3, dots: '<<<', numer: 1, denom: 1 });
},
"reads predots properly": function(){
value_of(tokeniser.convert(">><Czzzz")).should_be({ chars: 2, dots: '>>', numer: 1, denom: 1 });
},
"reads plain 3 properly": function(){
value_of(tokeniser.convert("3zzzz")).should_be({ chars: 1, dots: undefined, numer: 3, denom: 1 });
},
"defaults / properly": function(){
value_of(tokeniser.convert("/<zzzz")).should_be({ chars: 2, dots: '<', numer: 1, denom: 2 });
},
"defaults // properly": function(){
value_of(tokeniser.convert("//zzzz")).should_be({ chars: 2, dots: undefined, numer: 1, denom: 4 });
},
"reads 3/ properly": function(){
value_of(tokeniser.convert("3/>zzzz")).should_be({ chars: 3, dots: '>', numer: 3, denom: 2 });
},
"reads 3/4 properly": function(){
value_of(tokeniser.convert("3/4zzzz")).should_be({ chars: 3, dots: undefined, numer: 3, denom: 4 });
},
}
);
describe('translate abc punctuation to vurm', {
'before': function () {
tokeniser = new AbcPunctuationTokeniser();
},
"reads (xx properly": function(){
value_of(tokeniser.convert("(zzzz")).should_be({ chars: 1, tieStart: '(' });
},
"reads )xx properly": function(){
value_of(tokeniser.convert(")zzzz")).should_be({ chars: 1, tieEnd: ')' });
},
"reads |xx properly": function(){
value_of(tokeniser.convert("|zzzz")).should_be({ chars: 1, bar: '|' });
},
"reads space properly": function(){
value_of(tokeniser.convert(" zzzz")).should_be({ chars: 2, space: ' ' });
},
}
);
describe('translate abc prefix to chunks', {
'before': function () {
reader = new AbcChunkReader();
},
"reads C properly": function(){
value_of(reader.convert("Czzzz")).should_be({
chars: 1,
notes: [ {ledger:0, duration:1}, ]
});
},
"reads () |C,, ignoring punctuation for now": function(){
value_of(reader.convert("() |C,,zzzz")).should_be(
{ chars:1, tieStart:'(' }
);
},
"reads C,, properly": function(){
value_of(reader.convert("C,,zzzz")).should_be({
chars: 3,
notes: [ {ledger:-14, duration:1}, ]
});
},
"reads C,>d'xx properlee": function(){
value_of(reader.convert("C,>d'xx")).should_be({
chars: 5,
notes: [
{ledger:-7, duration:1.5},
{ledger:15, duration:0.5},
]
});
},
"reads C,<<d'xx properlee": function(){
value_of(reader.convert("C,<<d'xx")).should_be({
chars: 6,
notes: [
{ledger:-7, duration:0.25},
{ledger:15, duration:1.75},
]
});
},
"reads C,/<d'xx properlee": function(){
value_of(reader.convert("C,/<d'xx")).should_be({
chars: 6,
notes: [
{ledger:-7, duration:0.25},
{ledger:15, duration:1.5},
]
});
},
"reads aBc,D' properly": function(){
value_of(reader.convert("aBc,D'")).should_be({
chars: 1,
notes: [ {ledger:12, duration:1}, ]
});
},
}
);
describe('line reader', {
'returns lines': function() {
var lines = new LineSource(' 1 \n 2 \\\n 3 ');
value_of(lines.see()).should_be('1');
value_of(lines.take()).should_be('1');
value_of(lines.see()).should_be('2 \\');
value_of(lines.take()).should_be('2 \\');
value_of(lines.see()).should_be('3');
value_of(lines.take()).should_be('3');
},
'Strips comments': function() {
var lines = new LineSource('1 % comment\n2\\ % comment\\\n3');
value_of(lines.see()).should_be('1');
value_of(lines.take()).should_be('1');
value_of(lines.see()).should_be('2\\');
value_of(lines.take()).should_be('2\\');
value_of(lines.see()).should_be('3');
value_of(lines.take()).should_be('3');
},
'Leaves pragmas and blank lines': function() {
var lines = new LineSource('%% comment\n\n3');
value_of(lines.see()).should_be('%% comment');
value_of(lines.take()).should_be('%% comment');
value_of(lines.see()).should_be('');
value_of(lines.take()).should_be('');
value_of(lines.see()).should_be('3');
value_of(lines.take()).should_be('3');
},
'Leaves pragmas': function() {
var lines = new LineSource('T:ABCD\n% some comment\n%% pragma\n+:EFG\nACE');
value_of(lines.take()).should_be('T:ABCD');
value_of(lines.take()).should_be('%% pragma');
value_of(lines.take()).should_be('+:EFG');
value_of(lines.take()).should_be('ACE');
},
}
);
describe('Header line reader - consumes lines for a single logical header', {
'returns empty for no header': function() {
var lines = new LineSource('anything\nelse');
var headerLineParser = new HeaderLineParser(lines);
value_of(headerLineParser.parse()).should_be( null );
value_of(lines.see()).should_be('anything');
},
'returns single header': function() {
var lines = new LineSource('T:anything\nelse');
var headerLineParser = new HeaderLineParser(lines);
value_of(headerLineParser.parse()).should_be(
{ head: ['T', 'anything'] }
);
value_of(lines.see()).should_be('else');
},
'Headers ignore backslash continue and non-header': function() {
var lines = new LineSource('T:anything\\\nelse');
var headerLineParser = new HeaderLineParser(lines);
value_of(headerLineParser.parse()).should_be(
{ head: ['T', 'anything\\'] }
);
value_of(lines.see()).should_be('else');
},
'Headers trim leading and trailing whitespace': function() {
var lines = new LineSource('T: anything \nelse');
var headerLineParser = new HeaderLineParser(lines);
value_of(headerLineParser.parse()).should_be(
{ head: ['T', 'anything'] }
);
value_of(lines.see()).should_be('else');
},
'Headers trim trailing whitespace before comments': function() {
var lines = new LineSource('T: anything % some comment\nelse');
var headerLineParser = new HeaderLineParser(lines);
value_of(headerLineParser.parse()).should_be(
{ head: ['T', 'anything'] }
);
},
'Headers continue with +: becoming a space': function() {
var lines = new LineSource('T: ABCDE% some comment\n+:FGHI ');
var headerLineParser = new HeaderLineParser(lines);
value_of(headerLineParser.parse()).should_be(
{ head: ['T', 'ABCDE', ' FGHI'] }
);
},
'Splices pragmas inline': function() {
var lines = new LineSource(
'T:ABCD\n% some comment\n%% pragma\n+:EFG\nACE');
var headerLineParser = new HeaderLineParser(lines);
value_of(headerLineParser.parse()).should_be(
{ head: [ 'T', 'ABCD', { head: [ 'I', 'pragma' ], }, ' EFG' ] }
);
value_of(lines.see()).should_be('ACE');
},
}
);
describe('Initial header block reader', {
'returns empty for no header': function() {
var lines = new LineSource('anything\nelse');
var headerBlock = new HeaderBlockParser(lines);
value_of(headerBlock.parse()).should_be( null );
value_of(lines.see()).should_be('anything');
},
'returns random header': function() {
var lines = new LineSource('T:anything\nelse');
var headerBlock = new HeaderBlockParser(lines);
value_of(headerBlock.parse()).should_be([
{ head: ['T', 'anything'] },
]);
value_of(lines.see()).should_be('else');
},
'header block ends with blank line': function() {
var lines = new LineSource(
'T:ABCD\n% some comment\nI: some info\n\nT: tune ident\nEFG');
var headerBlock = new HeaderBlockParser(lines);
value_of(headerBlock.parse()).should_be([
{ head: ['T', 'ABCD'] },
{ head: ['I', 'some info'] },
]);
value_of(lines.see()).should_be('');
},
'File header block ends before X:': function() {
var lines = new LineSource(
'T:ABCD\n% some comment\nI: some info\nX: tune ident\nEFG');
var headerBlock = new HeaderBlockParser(lines);
value_of(headerBlock.parse()).should_be([
{ head: ['T', 'ABCD'] },
{ head: ['I', 'some info'] },
]);
value_of(lines.see()).should_be('X: tune ident');
},
'Tune header block ends with K: leaves following header': function() {
var lines = new LineSource(
'T:ABCD\n% some comment\nI: some info\nK: G\nI: more info\nEFG');
var headerBlock = new HeaderBlockParser(lines);
value_of(headerBlock.parse()).should_be([
{ head: ['T', 'ABCD'] },
{ head: ['I', 'some info'] },
{ head: ['K', 'G'] },
]);
value_of(lines.see()).should_be('I: more info');
},
'Tune header block ends with K: leaves following tune': function() {
var lines = new LineSource(
'T:ABCD\n% some comment\nI: some info\nK: G\nEFG');
var headerBlock = new HeaderBlockParser(lines);
value_of(headerBlock.parse()).should_be([
{ head: ['T', 'ABCD'] },
{ head: ['I', 'some info'] },
{ head: ['K', 'G'] },
]);
value_of(lines.see()).should_be('EFG');
},
}
);
describe('Tune line parser', {
'returns empty for blank line': function() {
var lines = new LineSource('\n');
var tuneLineParser = new TuneLineParser(lines);
value_of(tuneLineParser.parse()).should_be( [ ] );
value_of(lines.see()).should_be('');
},
'returns a lone header': function() {
var lines = new LineSource('M: whatever\n%% you have\n+: had\nabce');
var tuneLineParser = new TuneLineParser(lines);
value_of(tuneLineParser.parse()).should_be( [
{ head: [ 'M',
'whatever',
{ head: [ 'I', 'you have' ] },
' had' ] }
] );
value_of(lines.see()).should_be('abce');
},
'returns first line if uncontinued': function() {
var lines = new LineSource('ab\ncd');
var tuneLineParser = new TuneLineParser(lines);
value_of(tuneLineParser.parse()).should_be(
[
[{ ledger: 12, duration: 1 }],
[{ ledger: 13, duration: 1 }]
]
);
value_of(lines.see()).should_be('cd');
},
'returns infix if continued': function() {
var lines = new LineSource("ab\\ % comment\nM:2\nc'd'\ncd");
var tuneLineParser = new TuneLineParser(lines);
value_of(tuneLineParser.parse()).should_be(
[
[{ ledger: 12, duration: 1 }],
[{ ledger: 13, duration: 1 }],
{ head: ['M', '2' ] },
[{ ledger: 14, duration: 1 }],
[{ ledger: 15, duration: 1 }],
]
);
value_of(lines.see()).should_be('cd');
},
}
);
// Aim: a parsed, but not necessarily lyrics-distibuted version, of an ABC file/fragment
var vurm = {
version: 'XXXX', // %abc-XXXX
headers: [ // Any headers until X: or a blank
{ head: [ 'T', 'Songbook', { head: [ 'I', 'something' ] }, 'title' ] },
{ head: [ 'O', 'origin ... ', ] },
],
tunes: [
"Non-X:header-looking plain text between file header and/or tunes",
{
headers: [ // Any headers from X: until K:
{ head: [ 'X', 'n' ] },
{ head: [ 'T', 'title', { head: [ 'i', 'something' ] } ] },
{ head: [ 'T', 'subtitle' ] },
{ head: [ 'other headers' ] },
{ head: [ 'K', '0' ] },
],
parts: { // Any lines until a blank.
part_1: {
voice_1: [
{
ledger: 0, // Middle C line - accidentals default to key signature.
sharps: 2, // if 'sharps' exists, gives explicit accidence.
duration: 1, // 1 is a crotchet. Consider 96 as a crotchet for easy triples, or fractions.
},
{ head: [ 'w', 'sequence of text', { head: [ 'I', 'italic' ] }, 'and %% directives' ] },
{ head: [ 'k', '0' ] },
],
},
}
},
],
};
// %abc-2.1
// T: OPTIONALLY some default headers for the following tunes
//
// X: 1
// T: title
// % other headers
// K: key
// % no blank line
// % Your tune here
// ABCD | EFG2 ||
//
// X: 2
// T: Title 2
// % ...
// K: key
// % etc.
//
// Or a fragment possibly starting with %abc, the first line of which parses.
// [K:D]ABC...
function stream(s) {
return {parts:{"":{"":s}}};
}
describe('translate abc to vurm', {
'before': function () {
reader = new AbcReader();
},
"reads C properly": function(){
value_of(reader.convert("C")).should_be(
stream([ {ledger:0, duration:1} ])
);
},
"reads C, properly": function(){
value_of(reader.convert("C,")).should_be(
stream ( [ {ledger:-7, duration:1} ] )
);
},
"reports parse error": function(){
value_of(reader.convert("Cj")).should_be(
stream ( [
{ledger:0, duration:1},
{parseFailAt:"j"}
] )
);
},
"reads a(Bc')| D, properly": function(){
value_of(reader.convert("a(Bc')| D,")).should_be(
stream ( [
{ledger:12, duration:1},
{ chars:1, tieStart:'(' },
{ledger:6, duration:1},
{ledger:14, duration:1},
{ chars:1, tieEnd:')' },
{ chars:1, bar:'|' },
{ chars:2, space:' ' },
{ledger:-6, duration:1}
] )
);
},
"reads a/B' properly": function(){
value_of(reader.convert("a/B")).should_be(
stream ( [
{ledger:12, duration:0.5},
{ledger:6, duration:1},
] )
);
},
"reads header with tunes parts and voices": function(){
value_of(reader.convert(
'T: Some tests\n'
+ '\n'
+ 'X:1\nT:Test 1\nK: G\nP:A\nV:1\nABCD\n[V:2]DEFG[P:B][V:1]ACEG[V:2]BDFA'
)).should_be(
stream ({
headers: { T: [[ 'Some tests' ]] },
tunes: [
{
headers: { X: [['1']], T: [['Test 1']], K: [['G']] },
parts: {
A: {
1: [
{ledger:5, duration:1},
{ledger:6, duration:1},
{ledger:0, duration:1},
{ledger:1, duration:1},
],
2: [
{ledger:2, duration:1},
{ledger:3, duration:1},
{ledger:4, duration:1},
{ledger:5, duration:1},
]
},
B: {
1: [
{ledger:5, duration:1},
{ledger:0, duration:1},
{ledger:2, duration:1},
{ledger:4, duration:1},
],
2: [
{ledger:6, duration:1},
{ledger:1, duration:1},
{ledger:3, duration:1},
{ledger:5, duration:1},
]
},
}
}
]
})
);
},
}
);
// See MIDI.js/inc/jasmid/midifile.js
var midifile =
{
'header': {
'formatType': 1,
'trackCount': 2,
'ticksPerBeat': 64 // per crotchet
},
'tracks': [
[
{
'deltaTime': 0,
'type': 'channel',
'subtype': 'noteOn',
'noteNumber': 40,
'velocity': 0
},
{
'deltaTime': 64,
'type': 'channel',
'subtype': 'noteOff',
'noteNumber': 40,
'velocity': 127
} // , ...
],
[] // , ...
]
};
function noteOn(time, chan, note, vel) {
return { deltaTime: time, type: 'channel', subtype: 'noteOn', channel: chan, noteNumber: note, velocity: vel }
}
function noteOff(time, chan, note) {
return { deltaTime: time, type: 'channel', subtype: 'noteOff', channel: chan, noteNumber: note, velocity: 0 }
}
describe('translate vurm to midi', {
'before': function () {
vurmToMidi = new VurmToMidi();
},
"One note stream": function(){
value_of(vurmToMidi.convert(
stream ( [ {ledger:0, duration:1} ] )
)).should_be({
header: {
formatType: 1,
trackCount: 2,
ticksPerBeat: 64 // per crotchet, ie 64*vurm.duration
},
tracks: [
[
// Meta: title, key, etc.
],
[
noteOn(0, 1, 60, 127),
noteOff(64, 1, 60),
],
]
});
},
"One note stream": function(){
value_of(vurmToMidi.convert(
stream ( [ {ledger:0, duration:1, sharps:1} ] )
)).should_be({
header: {
formatType: 1,
trackCount: 2,
ticksPerBeat: 64 // per crotchet, ie 64*vurm.duration
},
tracks: [
[
// Meta: title, key, etc.
],
[
noteOn(0, 1, 61, 127),
noteOff(64, 1, 61),
],
]
});
},
"no-repeat D-EF-G stream": function(){
value_of(vurmToMidi.convert(
stream ( [
{ledger:1, duration:1},
{ledger:2, duration:1},
{ledger:3, duration:1},
{ledger:4, duration:1},
] )
)).should_be({
header: {
formatType: 1,
trackCount: 2,
ticksPerBeat: 64 // per crotchet, ie 64*vurm.duration
},
tracks: [
[
// Meta: title, key, etc.
],
[
noteOn(0, 1, 62, 127),
noteOff(64, 1, 62),
noteOn(0, 1, 64, 127),
noteOff(64, 1, 64),
noteOn(0, 1, 65, 127),
noteOff(64, 1, 65),
noteOn(0, 1, 67, 127),
noteOff(64, 1, 67),
],
]
});
},
"no-repeat A-Bc-d stream": function(){
value_of(vurmToMidi.convert(
stream ( [
{ledger:5, duration:1},
{ledger:6, duration:1},
{ledger:7, duration:1},
{ledger:8, duration:1},
] )
)).should_be({
header: {
formatType: 1,
trackCount: 2,
ticksPerBeat: 64 // per crotchet, ie 64*vurm.duration
},
tracks: [
[
// Meta: title, key, etc.
],
[
noteOn(0, 1, 69, 127),
noteOff(64, 1, 69),
noteOn(0, 1, 71, 127),
noteOff(64, 1, 71),
noteOn(0, 1, 72, 127),
noteOff(64, 1, 72),
noteOn(0, 1, 74, 127),
noteOff(64, 1, 74),
],
]
});
},
"no-repeat A,-B,C-D stream": function(){
value_of(vurmToMidi.convert(
stream ( [
{ledger:-2, duration:1},
{ledger:-1, duration:1},
{ledger:0, duration:1},
{ledger:1, duration:1},
] )
)).should_be({
header: {
formatType: 1,
trackCount: 2,
ticksPerBeat: 64 // per crotchet, ie 64*vurm.duration
},
tracks: [
[
// Meta: title, key, etc.
],
[
noteOn(0, 1, 57, 127),
noteOff(64, 1, 57),
noteOn(0, 1, 59, 127),
noteOff(64, 1, 59),
noteOn(0, 1, 60, 127),
noteOff(64, 1, 60),
noteOn(0, 1, 62, 127),
noteOff(64, 1, 62),
],
]
});
},
"no-repeat D,-E,F,-G,": function(){
value_of(vurmToMidi.convert(
stream ( [
{ledger:-3, duration:1},
{ledger:-4, duration:1},
{ledger:-5, duration:1},
{ledger:-6, duration:1},
] )
)).should_be({
header: {
formatType: 1,
trackCount: 2,
ticksPerBeat: 64 // per crotchet, ie 64*vurm.duration
},
tracks: [
[
// Meta: title, key, etc.
],
[
noteOn( 0, 1, 55, 127),
noteOff(64, 1, 55),
noteOn( 0, 1, 53, 127),
noteOff(64, 1, 53),
noteOn( 0, 1, 52, 127),
noteOff(64, 1, 52),
noteOn( 0, 1, 50, 127),
noteOff(64, 1, 50),
],
]
});
},
"no-repeat tied barred multi-note stream": function(){
value_of(vurmToMidi.convert(
stream ( [
{ chars:1, tieStart:'(' },
{ledger:0, duration:1},
{ledger:1, duration:1},
{ chars:1, tieEnd:')' },
{ chars:1, bar:'|' },
] )
)).should_be({
header: {
formatType: 1,
trackCount: 2,
ticksPerBeat: 64 // per crotchet, ie 64*vurm.duration
},
tracks: [
[
// Meta: title, key, etc.
],
[
noteOn( 0, 1, 60, 127),
noteOff(64, 1, 60),
noteOn( 0, 1, 62, 127),
noteOff(64, 1, 62),
],
]
});
},
}
);
// ]]></script>
</head>
<body><div style="display:none;"><p>A</p><p>B</p></div></body>
</html>