# Code coverage report for ./suites/core/UtilSpec.js

## Statements: 100% (76 / 76) Branches: 100% (0 / 0) Functions: 100% (30 / 30) Lines: 100% (76 / 76)

All files » ./suites/core/ » UtilSpec.js

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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();
    		});
    	});
    });