prototype/test/unit/hash.html

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<title>Prototype Unit test file</title>
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<body>
<h1>Prototype Unit test file</h1>
<p>
Test of the Hash.prototype extensions
</p>
<!-- Log output -->
<div id="testlog"> </div>
<!-- Tests follow -->
<script type="text/javascript" language="javascript" charset="utf-8">
// <![CDATA[
var Fixtures = {
one: { a: 'A#' },
many: {
a: 'A',
b: 'B',
c: 'C',
d: 'D#'
},
functions: {
quad: function(n) { return n*n },
plus: function(n) { return n+n }
},
multiple: { color: $w('r g b') },
multiple_nil: { color: ['r', null, 'g', undefined, 0] },
multiple_all_nil: { color: [null, undefined] },
multiple_empty: { color: [] },
multiple_special: { 'stuff[]': $w('$ a ;') },
value_undefined: { a:"b", c:undefined },
value_null: { a:"b", c:null },
value_zero: { a:"b", c:0 }
};
new Test.Unit.Runner({
testSet: function(){ with(this) {
var h = $H({a: 'A'})
assertEqual('B', h.set('b', 'B'));
assertHashEqual({a: 'A', b: 'B'}, h);
assertUndefined(h.set('c'));
assertHashEqual({a: 'A', b: 'B', c: undefined}, h);
}},
testGet: function(){ with(this) {
var h = $H({a: 'A'});
assertEqual('A', h.get('a'));
assertUndefined(h.a);
assertUndefined($H({}).get('a'));
}},
testUnset: function(){ with(this) {
var hash = $H(Fixtures.many);
assertEqual('B', hash.unset('b'));
assertHashEqual({a:'A', c: 'C', d:'D#'}, hash);
assertUndefined(hash.unset('z'));
assertHashEqual({a:'A', c: 'C', d:'D#'}, hash);
// not equivalent to Hash#remove
assertEqual('A', hash.unset('a', 'c'));
assertHashEqual({c: 'C', d:'D#'}, hash);
}},
testToObject: function(){ with(this) {
var hash = $H(Fixtures.many), object = hash.toObject();
assertInstanceOf(Object, object);
assertHashEqual(Fixtures.many, object);
assertNotIdentical(Fixtures.many, object);
hash.set('foo', 'bar');
assertHashNotEqual(object, hash.toObject());
}},
testConstruct: function(){ with(this) {
var object = Object.clone(Fixtures.one);
var h = new Hash(object), h2 = $H(object);
assertInstanceOf(Hash, h);
assertInstanceOf(Hash, h2);
assertHashEqual({}, new Hash());
assertHashEqual(object, h);
assertHashEqual(object, h2);
h.set('foo', 'bar');
assertHashNotEqual(object, h);
var clone = $H(h);
assertInstanceOf(Hash, clone);
assertHashEqual(h, clone);
h.set('foo', 'foo');
assertHashNotEqual(h, clone);
assertIdentical($H, Hash.from);
}},
testKeys: function(){ with(this) {
assertEnumEqual([], $H({}).keys());
assertEnumEqual(['a'], $H(Fixtures.one).keys());
assertEnumEqual($w('a b c d'), $H(Fixtures.many).keys().sort());
assertEnumEqual($w('plus quad'), $H(Fixtures.functions).keys().sort());
}},
testValues: function(){ with(this) {
assertEnumEqual([], $H({}).values());
assertEnumEqual(['A#'], $H(Fixtures.one).values());
assertEnumEqual($w('A B C D#'), $H(Fixtures.many).values().sort());
assertEnumEqual($w('function function'),
$H(Fixtures.functions).values().map(function(i){ return typeof i }));
assertEqual(9, $H(Fixtures.functions).get('quad')(3));
assertEqual(6, $H(Fixtures.functions).get('plus')(3));
}},
testIndex: function(){ with(this) {
assertUndefined($H().index('foo'));
assert('a', $H(Fixtures.one).index('A#'));
assert('a', $H(Fixtures.many).index('A'));
assertUndefined($H(Fixtures.many).index('Z'))
var hash = $H({a:1,b:'2',c:1});
assert(['a','c'].include(hash.index(1)));
assertUndefined(hash.index('1'));
}},
testMerge: function(){ with(this) {
var h = $H(Fixtures.many);
assertNotIdentical(h, h.merge());
assertNotIdentical(h, h.merge({}));
assertInstanceOf(Hash, h.merge());
assertInstanceOf(Hash, h.merge({}));
assertHashEqual(h, h.merge());
assertHashEqual(h, h.merge({}));
assertHashEqual(h, h.merge($H()));
assertHashEqual({a:'A', b:'B', c:'C', d:'D#', aaa:'AAA' }, h.merge({aaa: 'AAA'}));
assertHashEqual({a:'A#', b:'B', c:'C', d:'D#' }, h.merge(Fixtures.one));
}},
testUpdate: function(){ with(this) {
var h = $H(Fixtures.many);
assertIdentical(h, h.update());
assertIdentical(h, h.update({}));
assertHashEqual(h, h.update());
assertHashEqual(h, h.update({}));
assertHashEqual(h, h.update($H()));
assertHashEqual({a:'A', b:'B', c:'C', d:'D#', aaa:'AAA' }, h.update({aaa: 'AAA'}));
assertHashEqual({a:'A#', b:'B', c:'C', d:'D#', aaa:'AAA' }, h.update(Fixtures.one));
}},
testToQueryString: function(){ with(this) {
assertEqual('', $H({}).toQueryString());
assertEqual('a%23=A', $H({'a#': 'A'}).toQueryString());
assertEqual('a=A%23', $H(Fixtures.one).toQueryString());
assertEqual('a=A&b=B&c=C&d=D%23', $H(Fixtures.many).toQueryString());
assertEqual("a=b&c", $H(Fixtures.value_undefined).toQueryString());
assertEqual("a=b&c", $H("a=b&c".toQueryParams()).toQueryString());
assertEqual("a=b&c=", $H(Fixtures.value_null).toQueryString());
assertEqual("a=b&c=0", $H(Fixtures.value_zero).toQueryString());
assertEqual("color=r&color=g&color=b", $H(Fixtures.multiple).toQueryString());
assertEqual("color=r&color=&color=g&color&color=0", $H(Fixtures.multiple_nil).toQueryString());
assertEqual("color=&color", $H(Fixtures.multiple_all_nil).toQueryString());
assertEqual("", $H(Fixtures.multiple_empty).toQueryString());
assertEqual("stuff%5B%5D=%24&stuff%5B%5D=a&stuff%5B%5D=%3B", $H(Fixtures.multiple_special).toQueryString());
assertHashEqual(Fixtures.multiple_special, $H(Fixtures.multiple_special).toQueryString().toQueryParams());
assertIdentical(Object.toQueryString, Hash.toQueryString);
}},
testInspect: function(){ with(this) {
assertEqual('#<Hash:{}>', $H({}).inspect());
assertEqual("#<Hash:{'a': 'A#'}>", $H(Fixtures.one).inspect());
assertEqual("#<Hash:{'a': 'A', 'b': 'B', 'c': 'C', 'd': 'D#'}>", $H(Fixtures.many).inspect());
}},
testClone: function(){ with(this) {
var h = $H(Fixtures.many);
assertHashEqual(h, h.clone());
assertInstanceOf(Hash, h.clone());
assertNotIdentical(h, h.clone());
}},
testToJSON: function(){ with(this) {
assertEqual('{\"b\": [false, true], \"c\": {\"a\": \"hello!\"}}',
$H({'b': [undefined, false, true, undefined], c: {a: 'hello!'}}).toJSON());
}},
testAbilityToContainAnyKey: function(){ with(this) {
var h = $H({ _each: 'E', map: 'M', keys: 'K', pluck: 'P', unset: 'U' });
assertEnumEqual($w('_each keys map pluck unset'), h.keys().sort());
assertEqual('U', h.unset('unset'));
assertHashEqual({ _each: 'E', map: 'M', keys: 'K', pluck: 'P' }, h);
}},
testHashToTemplateReplacements: function() { with(this) {
var template = new Template("#{a} #{b}"), hash = $H({ a: "hello", b: "world" });
assertEqual("hello world", template.evaluate(hash.toObject()));
assertEqual("hello world", template.evaluate(hash));
assertEqual("hello", "#{a}".interpolate(hash));
}}
}, 'testlog');
// ]]>
</script>
</body>
</html>