describe 'Morris.Bar#colorFor', -> defaults = element: 'graph' data: [{x: 'foo', y: 2, z: 3}, {x: 'bar', y: 4, z: 6}] xkey: 'x' ykeys: ['y', 'z'] labels: ['Y', 'Z'] it 'should fetch colours from an array', -> chart = Morris.Bar $.extend {}, defaults, barColors: ['#f00', '#0f0', '#00f'] chart.colorFor(chart.data[0], 0, 'bar').should.equal '#f00' chart.colorFor(chart.data[0], 0, 'hover').should.equal '#f00' chart.colorFor(chart.data[0], 1, 'bar').should.equal '#0f0' chart.colorFor(chart.data[0], 1, 'hover').should.equal '#0f0' chart.colorFor(chart.data[0], 2, 'bar').should.equal '#00f' chart.colorFor(chart.data[0], 2, 'hover').should.equal '#00f' chart.colorFor(chart.data[0], 3, 'bar').should.equal '#f00' chart.colorFor(chart.data[0], 4, 'hover').should.equal '#0f0' it 'should defer to a callback', -> stub = sinon.stub().returns '#f00' chart = Morris.Bar $.extend {}, defaults, barColors: stub stub.reset() chart.colorFor(chart.data[0], 0, 'bar') stub.should.have.been.calledWith( {x:0, y:2, label:'foo'}, {index:0, key:'y', label:'Y'}, 'bar') chart.colorFor(chart.data[0], 1, 'hover') stub.should.have.been.calledWith( {x:0, y:3, label:'foo'}, {index:1, key:'z', label:'Z'}, 'hover')