describe('Chart.controllers.bubble', function() { describe('auto', jasmine.fixture.specs('controller.bubble')); it('should be constructed', function() { var chart = window.acquireChart({ type: 'bubble', data: { datasets: [{ data: [] }] } }); var meta = chart.getDatasetMeta(0); expect(meta.type).toBe('bubble'); expect(meta.controller).not.toBe(undefined); expect(meta.controller.index).toBe(0); expect(meta.data).toEqual([]); meta.controller.updateIndex(1); expect(meta.controller.index).toBe(1); }); it('should use the first scale IDs if the dataset does not specify them', function() { var chart = window.acquireChart({ type: 'bubble', data: { datasets: [{ data: [] }] }, options: { scales: { xAxes: [{ id: 'firstXScaleID' }], yAxes: [{ id: 'firstYScaleID' }] } } }); var meta = chart.getDatasetMeta(0); expect(meta.xAxisID).toBe('firstXScaleID'); expect(meta.yAxisID).toBe('firstYScaleID'); }); it('should create point elements for each data item during initialization', function() { var chart = window.acquireChart({ type: 'bubble', data: { datasets: [{ data: [10, 15, 0, -4] }] } }); var meta = chart.getDatasetMeta(0); expect(meta.data.length).toBe(4); // 4 points created expect(meta.data[0] instanceof Chart.elements.Point).toBe(true); expect(meta.data[1] instanceof Chart.elements.Point).toBe(true); expect(meta.data[2] instanceof Chart.elements.Point).toBe(true); expect(meta.data[3] instanceof Chart.elements.Point).toBe(true); }); it('should draw all elements', function() { var chart = window.acquireChart({ type: 'bubble', data: { datasets: [{ data: [10, 15, 0, -4] }] }, options: { animation: false, showLines: true } }); var meta = chart.getDatasetMeta(0); spyOn(meta.data[0], 'draw'); spyOn(meta.data[1], 'draw'); spyOn(meta.data[2], 'draw'); spyOn(meta.data[3], 'draw'); chart.update(); expect(meta.data[0].draw.calls.count()).toBe(1); expect(meta.data[1].draw.calls.count()).toBe(1); expect(meta.data[2].draw.calls.count()).toBe(1); expect(meta.data[3].draw.calls.count()).toBe(1); }); it('should update elements when modifying style', function() { var chart = window.acquireChart({ type: 'bubble', data: { datasets: [{ data: [{ x: 10, y: 10, r: 5 }, { x: -15, y: -10, r: 1 }, { x: 0, y: -9, r: 2 }, { x: -4, y: 10, r: 1 }] }], labels: ['label1', 'label2', 'label3', 'label4'] }, options: { legend: false, title: false, scales: { xAxes: [{ type: 'category', display: false }], yAxes: [{ type: 'linear', display: false }] } } }); var meta = chart.getDatasetMeta(0); [ {r: 5, x: 0, y: 0}, {r: 1, x: 171, y: 512}, {r: 2, x: 341, y: 486}, {r: 1, x: 512, y: 0} ].forEach(function(expected, i) { expect(meta.data[i]._model.radius).toBe(expected.r); expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x); expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y); expect(meta.data[i]._model).toEqual(jasmine.objectContaining({ backgroundColor: Chart.defaults.global.defaultColor, borderColor: Chart.defaults.global.defaultColor, borderWidth: 1, hitRadius: 1, skip: false })); }); // Use dataset level styles for lines & points chart.data.datasets[0].backgroundColor = 'rgb(98, 98, 98)'; chart.data.datasets[0].borderColor = 'rgb(8, 8, 8)'; chart.data.datasets[0].borderWidth = 0.55; // point styles chart.data.datasets[0].radius = 22; chart.data.datasets[0].hitRadius = 3.3; chart.update(); for (var i = 0; i < 4; ++i) { expect(meta.data[i]._model).toEqual(jasmine.objectContaining({ backgroundColor: 'rgb(98, 98, 98)', borderColor: 'rgb(8, 8, 8)', borderWidth: 0.55, hitRadius: 3.3, skip: false })); } // point styles meta.data[0].custom = { radius: 2.2, backgroundColor: 'rgb(0, 1, 3)', borderColor: 'rgb(4, 6, 8)', borderWidth: 0.787, tension: 0.15, hitRadius: 5, skip: true }; chart.update(); expect(meta.data[0]._model).toEqual(jasmine.objectContaining({ backgroundColor: 'rgb(0, 1, 3)', borderColor: 'rgb(4, 6, 8)', borderWidth: 0.787, hitRadius: 5, skip: true })); }); it('should handle number of data point changes in update', function() { var chart = window.acquireChart({ type: 'bubble', data: { datasets: [{ data: [{ x: 10, y: 10, r: 5 }, { x: -15, y: -10, r: 1 }, { x: 0, y: -9, r: 2 }, { x: -4, y: 10, r: 1 }] }], labels: ['label1', 'label2', 'label3', 'label4'] } }); var meta = chart.getDatasetMeta(0); expect(meta.data.length).toBe(4); chart.data.datasets[0].data = [{ x: 1, y: 1, r: 10 }, { x: 10, y: 5, r: 2 }]; // remove 2 items chart.update(); expect(meta.data.length).toBe(2); expect(meta.data[0] instanceof Chart.elements.Point).toBe(true); expect(meta.data[1] instanceof Chart.elements.Point).toBe(true); chart.data.datasets[0].data = [{ x: 10, y: 10, r: 5 }, { x: -15, y: -10, r: 1 }, { x: 0, y: -9, r: 2 }, { x: -4, y: 10, r: 1 }, { x: -5, y: 0, r: 3 }]; // add 3 items chart.update(); expect(meta.data.length).toBe(5); expect(meta.data[0] instanceof Chart.elements.Point).toBe(true); expect(meta.data[1] instanceof Chart.elements.Point).toBe(true); expect(meta.data[2] instanceof Chart.elements.Point).toBe(true); expect(meta.data[3] instanceof Chart.elements.Point).toBe(true); expect(meta.data[4] instanceof Chart.elements.Point).toBe(true); }); describe('Interactions', function() { beforeEach(function() { this.chart = window.acquireChart({ type: 'bubble', data: { labels: ['label1', 'label2', 'label3', 'label4'], datasets: [{ data: [{ x: 5, y: 5, r: 20 }, { x: -15, y: -10, r: 15 }, { x: 15, y: 10, r: 10 }, { x: -15, y: 10, r: 5 }] }] }, options: { elements: { point: { backgroundColor: 'rgb(100, 150, 200)', borderColor: 'rgb(50, 100, 150)', borderWidth: 2, radius: 3 } } } }); }); it ('should handle default hover styles', function() { var chart = this.chart; var point = chart.getDatasetMeta(0).data[0]; jasmine.triggerMouseEvent(chart, 'mousemove', point); expect(point._model.backgroundColor).toBe('rgb(49, 135, 221)'); expect(point._model.borderColor).toBe('rgb(22, 89, 156)'); expect(point._model.borderWidth).toBe(1); expect(point._model.radius).toBe(20 + 4); jasmine.triggerMouseEvent(chart, 'mouseout', point); expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)'); expect(point._model.borderColor).toBe('rgb(50, 100, 150)'); expect(point._model.borderWidth).toBe(2); expect(point._model.radius).toBe(20); }); it ('should handle hover styles defined via dataset properties', function() { var chart = this.chart; var point = chart.getDatasetMeta(0).data[0]; Chart.helpers.merge(chart.data.datasets[0], { hoverBackgroundColor: 'rgb(200, 100, 150)', hoverBorderColor: 'rgb(150, 50, 100)', hoverBorderWidth: 8.4, hoverRadius: 4.2 }); chart.update(); jasmine.triggerMouseEvent(chart, 'mousemove', point); expect(point._model.backgroundColor).toBe('rgb(200, 100, 150)'); expect(point._model.borderColor).toBe('rgb(150, 50, 100)'); expect(point._model.borderWidth).toBe(8.4); expect(point._model.radius).toBe(20 + 4.2); jasmine.triggerMouseEvent(chart, 'mouseout', point); expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)'); expect(point._model.borderColor).toBe('rgb(50, 100, 150)'); expect(point._model.borderWidth).toBe(2); expect(point._model.radius).toBe(20); }); it ('should handle hover styles defined via element options', function() { var chart = this.chart; var point = chart.getDatasetMeta(0).data[0]; Chart.helpers.merge(chart.options.elements.point, { hoverBackgroundColor: 'rgb(200, 100, 150)', hoverBorderColor: 'rgb(150, 50, 100)', hoverBorderWidth: 8.4, hoverRadius: 4.2 }); chart.update(); jasmine.triggerMouseEvent(chart, 'mousemove', point); expect(point._model.backgroundColor).toBe('rgb(200, 100, 150)'); expect(point._model.borderColor).toBe('rgb(150, 50, 100)'); expect(point._model.borderWidth).toBe(8.4); expect(point._model.radius).toBe(20 + 4.2); jasmine.triggerMouseEvent(chart, 'mouseout', point); expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)'); expect(point._model.borderColor).toBe('rgb(50, 100, 150)'); expect(point._model.borderWidth).toBe(2); expect(point._model.radius).toBe(20); }); it ('should handle hover styles defined via element custom', function() { var chart = this.chart; var point = chart.getDatasetMeta(0).data[0]; point.custom = { hoverBackgroundColor: 'rgb(200, 100, 150)', hoverBorderColor: 'rgb(150, 50, 100)', hoverBorderWidth: 8.4, hoverRadius: 4.2 }; chart.update(); jasmine.triggerMouseEvent(chart, 'mousemove', point); expect(point._model.backgroundColor).toBe('rgb(200, 100, 150)'); expect(point._model.borderColor).toBe('rgb(150, 50, 100)'); expect(point._model.borderWidth).toBe(8.4); expect(point._model.radius).toBe(20 + 4.2); jasmine.triggerMouseEvent(chart, 'mouseout', point); expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)'); expect(point._model.borderColor).toBe('rgb(50, 100, 150)'); expect(point._model.borderWidth).toBe(2); expect(point._model.radius).toBe(20); }); }); });