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| describe('Util', function() {
describe('#extend', function() {
var a;
beforeEach(function() {
a = {
foo: 5,
bar: 'asd'
};
});
it('extends the first argument with the properties of the second', function() {
L.Util.extend(a, {
bar: 7,
baz: 3
});
expect(a).to.eql({
foo: 5,
bar: 7,
baz: 3
});
});
it('accepts more than 2 arguments', function() {
L.Util.extend(a, {bar: 7}, {baz: 3});
expect(a).to.eql({
foo: 5,
bar: 7,
baz: 3
});
});
});
describe('#bind', function() {
it('returns the given function with the given context', function() {
var fn = function() {
return this;
};
var fn2 = L.Util.bind(fn, { foo: 'bar' });
expect(fn2()).to.eql({ foo: 'bar' });
});
it('passes additional arguments to the bound function', function () {
var fn = sinon.spy(),
foo = {},
a = {},
b = {};
var fn2 = L.Util.bind(fn, foo, a, b);
fn2();
expect(fn.calledWith(a, b)).to.be.ok();
});
});
describe('#stamp', function() {
it('sets a unique id on the given object and returns it', function() {
var a = {},
id = L.Util.stamp(a);
expect(typeof id).to.eql('number');
expect(L.Util.stamp(a)).to.eql(id);
var b = {},
id2 = L.Util.stamp(b);
expect(id2).not.to.eql(id);
});
});
describe('#falseFn', function () {
it('returns false', function () {
expect(L.Util.falseFn()).to.be(false);
});
});
describe('#formatNum', function () {
it('formats numbers with a given precision', function () {
expect(L.Util.formatNum(13.12325555, 3)).to.eql(13.123);
expect(L.Util.formatNum(13.12325555)).to.eql(13.12326);
});
});
describe('#getParamString', function() {
it('creates a valid query string for appending depending on url input', function() {
var a = {
url: "http://example.com/get",
obj: {bar: 7, baz: 3},
result: "?bar=7&baz=3"
};
expect(L.Util.getParamString(a.obj,a.url)).to.eql(a.result);
var b = {
url: "http://example.com/get?justone=qs",
obj: {bar: 7, baz: 3},
result: "&bar=7&baz=3"
};
expect(L.Util.getParamString(b.obj,b.url)).to.eql(b.result);
var c = {
url: undefined,
obj: {bar: 7, baz: 3},
result: "?bar=7&baz=3"
};
expect(L.Util.getParamString(c.obj,c.url)).to.eql(c.result);
});
});
describe('#requestAnimFrame', function () {
it('calles a function on next frame, unless canceled', function (done) {
var spy = sinon.spy(),
spy2 = sinon.spy(),
foo = {};
L.Util.requestAnimFrame(spy);
L.Util.requestAnimFrame(function () {
expect(this).to.eql(foo);
done();
}, foo);
L.Util.cancelAnimFrame(spy);
});
});
describe('#limitExecByInterval', function() {
it('limits execution to not more often than specified time interval', function (done) {
var spy = sinon.spy();
var fn = L.Util.limitExecByInterval(spy, 20);
fn();
fn();
fn();
expect(spy.callCount).to.eql(1);
setTimeout(function () {
expect(spy.callCount).to.eql(2);
done();
}, 30);
});
});
describe('#splitWords', function () {
it('splits words into an array', function () {
expect(L.Util.splitWords('foo bar baz')).to.eql(['foo', 'bar', 'baz']);
});
});
// TODO setOptions
describe('#template', function () {
it('evaluates templates with a given data object', function () {
var tpl = 'Hello {foo} and {bar}!';
var str = L.Util.template(tpl, {
foo: 'Vlad',
bar: 'Dave'
});
expect(str).to.eql('Hello Vlad and Dave!');
});
it('does not modify text without a token variable', function () {
expect(L.Util.template('foo', {})).to.eql('foo');
});
it('throws when a template token is not given', function () {
expect(function () {
L.Util.template(tpl, {foo: 'bar'});
}).to.throwError();
});
});
});
|