--- /dev/null
+// Test the polar area controller
+describe('Radar controller tests', function() {
+ it('Should be constructed', function() {
+ var chart = {
+ data: {
+ datasets: [{
+ data: []
+ }]
+ }
+ };
+
+ var controller = new Chart.controllers.radar(chart, 0);
+ expect(controller).not.toBe(undefined);
+ expect(controller.index).toBe(0);
+ expect(chart.data.datasets[0].metaData).toEqual([]);
+
+ controller.updateIndex(1);
+ expect(controller.index).toBe(1);
+ });
+
+ it('Should create arc elements for each data item during initialization', function() {
+ var chart = {
+ data: {
+ datasets: [{
+ data: [10, 15, 0, -4]
+ }],
+ labels: ['label1', 'label2', 'label3', 'label4']
+ },
+ config: {
+ type: 'radar'
+ },
+ options: {
+ }
+ };
+
+ var controller = new Chart.controllers.radar(chart, 0);
+
+ // Line element
+ expect(chart.data.datasets[0].metaDataset instanceof Chart.elements.Line).toBe(true);
+
+ expect(chart.data.datasets[0].metaData.length).toBe(4); // 4 points created
+ expect(chart.data.datasets[0].metaData[0] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[1] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[2] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[3] instanceof Chart.elements.Point).toBe(true);
+ });
+
+ it('should draw all elements', function() {
+ var chart = {
+ data: {
+ datasets: [{
+ data: [10, 15, 0, -4]
+ }]
+ },
+ config: {
+ type: 'radar'
+ },
+ options: {
+ }
+ };
+
+ var controller = new Chart.controllers.radar(chart, 0);
+
+ spyOn(chart.data.datasets[0].metaDataset, 'draw');
+ spyOn(chart.data.datasets[0].metaData[0], 'draw');
+ spyOn(chart.data.datasets[0].metaData[1], 'draw');
+ spyOn(chart.data.datasets[0].metaData[2], 'draw');
+ spyOn(chart.data.datasets[0].metaData[3], 'draw');
+
+ controller.draw();
+
+ expect(chart.data.datasets[0].metaDataset.draw.calls.count()).toBe(1);
+ expect(chart.data.datasets[0].metaData[0].draw.calls.count()).toBe(1);
+ expect(chart.data.datasets[0].metaData[1].draw.calls.count()).toBe(1);
+ expect(chart.data.datasets[0].metaData[2].draw.calls.count()).toBe(1);
+ expect(chart.data.datasets[0].metaData[3].draw.calls.count()).toBe(1);
+ });
+
+ it('should update elements', function() {
+ var data = {
+ datasets: [{
+ data: [10, 15, 0, -4],
+ label: 'dataset2'
+ }],
+ labels: ['label1', 'label2', 'label3', 'label4']
+ };
+ var mockContext = window.createMockContext();
+
+ var ScaleConstructor = Chart.scaleService.getScaleConstructor('radialLinear');
+ var scaleConfig = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('radialLinear'));
+ scaleConfig = Chart.helpers.scaleMerge(scaleConfig, Chart.defaults.radar.scale);
+ var scale = new ScaleConstructor({
+ ctx: mockContext,
+ options: scaleConfig,
+ chart: {
+ data: data
+ },
+ });
+
+ // Update ticks & set physical dimensions
+ scale.top = 0;
+ scale.left = 0;
+ scale.right = 300;
+ scale.bottom = 300;
+ scale.update(300, 300);
+
+ var chart = {
+ chartArea: {
+ bottom: 300,
+ left: 0,
+ right: 300,
+ top: 0
+ },
+ data: data,
+ config: {
+ type: 'radar'
+ },
+ options: {
+ showLines: true,
+ elements: {
+ line: {
+ backgroundColor: 'rgb(255, 0, 0)',
+ borderCapStyle: 'round',
+ borderColor: 'rgb(0, 255, 0)',
+ borderDash: [],
+ borderDashOffset: 0.1,
+ borderJoinStyle: 'bevel',
+ borderWidth: 1.2,
+ fill: true,
+ tension: 0.1,
+ },
+ point: {
+ backgroundColor: Chart.defaults.global.defaultColor,
+ borderWidth: 1,
+ borderColor: Chart.defaults.global.defaultColor,
+ hitRadius: 1,
+ hoverRadius: 4,
+ hoverBorderWidth: 1,
+ radius: 3,
+ pointStyle: 'circle'
+ }
+ }
+ },
+ scale: scale
+ };
+
+ var controller = new Chart.controllers.radar(chart, 0);
+ controller.update();
+
+ // Line element
+ expect(chart.data.datasets[0].metaDataset._model).toEqual({
+ backgroundColor: 'rgb(255, 0, 0)',
+ borderCapStyle: 'round',
+ borderColor: 'rgb(0, 255, 0)',
+ borderDash: [],
+ borderDashOffset: 0.1,
+ borderJoinStyle: 'bevel',
+ borderWidth: 1.2,
+ fill: true,
+ tension: 0.1,
+
+ scaleTop: 0,
+ scaleBottom: 300,
+ scaleZero: {
+ x: 150,
+ y: 133
+ },
+ });
+
+ expect(chart.data.datasets[0].metaData[0]._model).toEqual({
+ backgroundColor: Chart.defaults.global.defaultColor,
+ borderWidth: 1,
+ borderColor: Chart.defaults.global.defaultColor,
+ hitRadius: 1,
+ radius: 3,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0.1,
+
+ // Point
+ x: 150,
+ y: 91,
+
+ // Control points
+ controlPointPreviousX: 146.99829997808834,
+ controlPointPreviousY: 91,
+ controlPointNextX: 155.09829997808833,
+ controlPointNextY: 91,
+ });
+
+ expect(chart.data.datasets[0].metaData[1]._model).toEqual({
+ backgroundColor: Chart.defaults.global.defaultColor,
+ borderWidth: 1,
+ borderColor: Chart.defaults.global.defaultColor,
+ hitRadius: 1,
+ radius: 3,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0.1,
+
+ // Point
+ x: 231,
+ y: 150,
+
+ // Control points
+ controlPointPreviousX: 231,
+ controlPointPreviousY: 145.8377025234528,
+ controlPointNextX: 231,
+ controlPointNextY: 153.4377025234528,
+ });
+
+ expect(chart.data.datasets[0].metaData[2]._model).toEqual({
+ backgroundColor: Chart.defaults.global.defaultColor,
+ borderWidth: 1,
+ borderColor: Chart.defaults.global.defaultColor,
+ hitRadius: 1,
+ radius: 3,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0.1,
+
+ // Point
+ x: 150,
+ y: 167,
+
+ // Control points
+ controlPointPreviousX: 156.7197526476963,
+ controlPointPreviousY: 167,
+ controlPointNextX: 148.61975264769632,
+ controlPointNextY: 167,
+ });
+
+ expect(chart.data.datasets[0].metaData[3]._model).toEqual({
+ backgroundColor: Chart.defaults.global.defaultColor,
+ borderWidth: 1,
+ borderColor: Chart.defaults.global.defaultColor,
+ hitRadius: 1,
+ radius: 3,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0.1,
+
+ // Point
+ x: 150,
+ y: 150,
+
+ // Control points
+ controlPointPreviousX: 150,
+ controlPointPreviousY: 151.7,
+ controlPointNextX: 150,
+ controlPointNextY: 144.1,
+ });
+
+ // Use dataset level styles for lines & points
+ chart.data.datasets[0].tension = 0;
+ 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;
+ chart.data.datasets[0].borderCapStyle = 'butt';
+ chart.data.datasets[0].borderDash = [2, 3];
+ chart.data.datasets[0].borderDashOffset = 7;
+ chart.data.datasets[0].borderJoinStyle = 'miter';
+ chart.data.datasets[0].fill = false;
+
+ // point styles
+ chart.data.datasets[0].pointRadius = 22;
+ chart.data.datasets[0].hitRadius = 3.3;
+ chart.data.datasets[0].pointBackgroundColor = 'rgb(128, 129, 130)';
+ chart.data.datasets[0].pointBorderColor = 'rgb(56, 57, 58)';
+ chart.data.datasets[0].pointBorderWidth = 1.123;
+
+ controller.update();
+
+ expect(chart.data.datasets[0].metaDataset._model).toEqual({
+ backgroundColor: 'rgb(98, 98, 98)',
+ borderCapStyle: 'butt',
+ borderColor: 'rgb(8, 8, 8)',
+ borderDash: [2, 3],
+ borderDashOffset: 7,
+ borderJoinStyle: 'miter',
+ borderWidth: 0.55,
+ fill: false,
+ tension: 0,
+
+ scaleTop: 0,
+ scaleBottom: 300,
+ scaleZero: {
+ x: 150,
+ y: 133
+ }
+ });
+
+ expect(chart.data.datasets[0].metaData[0]._model).toEqual({
+ backgroundColor: 'rgb(128, 129, 130)',
+ borderWidth: 1.123,
+ borderColor: 'rgb(56, 57, 58)',
+ hitRadius: 3.3,
+ radius: 22,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0,
+
+ // Point
+ x: 150,
+ y: 91,
+
+ // Control points
+ controlPointPreviousX: 150,
+ controlPointPreviousY: 91,
+ controlPointNextX: 150,
+ controlPointNextY: 91,
+ });
+
+ expect(chart.data.datasets[0].metaData[1]._model).toEqual({
+ backgroundColor: 'rgb(128, 129, 130)',
+ borderWidth: 1.123,
+ borderColor: 'rgb(56, 57, 58)',
+ hitRadius: 3.3,
+ radius: 22,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0,
+
+ // Point
+ x: 231,
+ y: 150,
+
+ // Control points
+ controlPointPreviousX: 231,
+ controlPointPreviousY: 150,
+ controlPointNextX: 231,
+ controlPointNextY: 150,
+ });
+
+ expect(chart.data.datasets[0].metaData[2]._model).toEqual({
+ backgroundColor: 'rgb(128, 129, 130)',
+ borderWidth: 1.123,
+ borderColor: 'rgb(56, 57, 58)',
+ hitRadius: 3.3,
+ radius: 22,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0,
+
+ // Point
+ x: 150,
+ y: 167,
+
+ // Control points
+ controlPointPreviousX: 150,
+ controlPointPreviousY: 167,
+ controlPointNextX: 150,
+ controlPointNextY: 167,
+ });
+
+ expect(chart.data.datasets[0].metaData[3]._model).toEqual({
+ backgroundColor: 'rgb(128, 129, 130)',
+ borderWidth: 1.123,
+ borderColor: 'rgb(56, 57, 58)',
+ hitRadius: 3.3,
+ radius: 22,
+ pointStyle: 'circle',
+ skip: false,
+ tension: 0,
+
+ // Point
+ x: 150,
+ y: 150,
+
+ // Control points
+ controlPointPreviousX: 150,
+ controlPointPreviousY: 150,
+ controlPointNextX: 150,
+ controlPointNextY: 150,
+ });
+
+ // Use custom styles for lines & first point
+ chart.data.datasets[0].metaDataset.custom = {
+ tension: 0.25,
+ backgroundColor: 'rgb(55, 55, 54)',
+ borderColor: 'rgb(8, 7, 6)',
+ borderWidth: 0.3,
+ borderCapStyle: 'square',
+ borderDash: [4, 3],
+ borderDashOffset: 4.4,
+ borderJoinStyle: 'round',
+ fill: true,
+ };
+
+ // point styles
+ chart.data.datasets[0].metaData[0].custom = {
+ radius: 2.2,
+ backgroundColor: 'rgb(0, 1, 3)',
+ borderColor: 'rgb(4, 6, 8)',
+ borderWidth: 0.787,
+ tension: 0.15,
+ skip: true,
+ hitRadius: 5,
+ };
+
+ controller.update();
+
+ expect(chart.data.datasets[0].metaDataset._model).toEqual({
+ backgroundColor: 'rgb(55, 55, 54)',
+ borderCapStyle: 'square',
+ borderColor: 'rgb(8, 7, 6)',
+ borderDash: [4, 3],
+ borderDashOffset: 4.4,
+ borderJoinStyle: 'round',
+ borderWidth: 0.3,
+ fill: true,
+ tension: 0.25,
+
+ scaleTop: 0,
+ scaleBottom: 300,
+ scaleZero: {
+ x: 150,
+ y: 133
+ },
+ });
+
+ expect(chart.data.datasets[0].metaData[0]._model).toEqual({
+ backgroundColor: 'rgb(0, 1, 3)',
+ borderWidth: 0.787,
+ borderColor: 'rgb(4, 6, 8)',
+ hitRadius: 5,
+ radius: 2.2,
+ pointStyle: 'circle',
+ skip: true,
+ tension: 0.15,
+
+ // Point
+ x: 150,
+ y: 91,
+
+ // Control points
+ controlPointPreviousX: 145.4974499671325,
+ controlPointPreviousY: 91,
+ controlPointNextX: 157.6474499671325,
+ controlPointNextY: 91,
+ });
+ });
+
+ it('should handle number of data point changes in update', function() {
+ var data = {
+ datasets: [{
+ data: [10, 15, 0, -4],
+ label: 'dataset2',
+ }],
+ labels: ['label1', 'label2', 'label3', 'label4']
+ };
+ var mockContext = window.createMockContext();
+
+ var ScaleConstructor = Chart.scaleService.getScaleConstructor('radialLinear');
+ var scaleConfig = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('radialLinear'));
+ scaleConfig = Chart.helpers.scaleMerge(scaleConfig, Chart.defaults.radar.scale);
+ var scale = new ScaleConstructor({
+ ctx: mockContext,
+ options: scaleConfig,
+ chart: {
+ data: data
+ },
+ });
+
+ // Update ticks & set physical dimensions
+ scale.top = 0;
+ scale.left = 0;
+ scale.right = 300;
+ scale.bottom = 300;
+ scale.update(300, 300);
+
+ var chart = {
+ chartArea: {
+ bottom: 300,
+ left: 0,
+ right: 300,
+ top: 0
+ },
+ data: data,
+ config: {
+ type: 'radar'
+ },
+ options: {
+ elements: {
+ line: {
+ backgroundColor: 'rgb(255, 0, 0)',
+ borderCapStyle: 'round',
+ borderColor: 'rgb(0, 255, 0)',
+ borderDash: [],
+ borderDashOffset: 0.1,
+ borderJoinStyle: 'bevel',
+ borderWidth: 1.2,
+ fill: true,
+ tension: 0.1,
+ },
+ point: {
+ backgroundColor: Chart.defaults.global.defaultColor,
+ borderWidth: 1,
+ borderColor: Chart.defaults.global.defaultColor,
+ hitRadius: 1,
+ hoverRadius: 4,
+ hoverBorderWidth: 1,
+ radius: 3,
+ }
+ },
+ },
+ scale: scale
+ };
+
+ var controller = new Chart.controllers.radar(chart, 0);
+ controller.update();
+ expect(chart.data.datasets[0].metaData.length).toBe(4);
+
+ chart.data.datasets[0].data = [1, 2]; // remove 2 items
+ controller.buildOrUpdateElements();
+ controller.update();
+ expect(chart.data.datasets[0].metaData.length).toBe(2);
+ expect(chart.data.datasets[0].metaData[0] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[1] instanceof Chart.elements.Point).toBe(true);
+
+ chart.data.datasets[0].data = [1, 2, 3, 4, 5]; // add 3 items
+ controller.buildOrUpdateElements();
+ controller.update();
+ expect(chart.data.datasets[0].metaData.length).toBe(5);
+ expect(chart.data.datasets[0].metaData[0] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[1] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[2] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[3] instanceof Chart.elements.Point).toBe(true);
+ expect(chart.data.datasets[0].metaData[4] instanceof Chart.elements.Point).toBe(true);
+ });
+
+ it('should set point hover styles', function() {
+ var data = {
+ datasets: [{
+ data: [10, 15, 0, -4],
+ label: 'dataset2',
+ }],
+ labels: ['label1', 'label2', 'label3', 'label4']
+ };
+ var mockContext = window.createMockContext();
+
+ var ScaleConstructor = Chart.scaleService.getScaleConstructor('radialLinear');
+ var scaleConfig = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('radialLinear'));
+ scaleConfig = Chart.helpers.scaleMerge(scaleConfig, Chart.defaults.radar.scale);
+ var scale = new ScaleConstructor({
+ ctx: mockContext,
+ options: scaleConfig,
+ chart: {
+ data: data
+ },
+ });
+
+ // Update ticks & set physical dimensions
+ scale.top = 0;
+ scale.left = 0;
+ scale.right = 300;
+ scale.bottom = 300;
+ scale.update(300, 300);
+
+
+ var chart = {
+ chartArea: {
+ bottom: 300,
+ left: 0,
+ right: 300,
+ top: 0
+ },
+ data: data,
+ config: {
+ type: 'radar'
+ },
+ options: {
+ elements: {
+ line: {
+ backgroundColor: 'rgb(255, 0, 0)',
+ borderCapStyle: 'round',
+ borderColor: 'rgb(0, 255, 0)',
+ borderDash: [],
+ borderDashOffset: 0.1,
+ borderJoinStyle: 'bevel',
+ borderWidth: 1.2,
+ fill: true,
+ skipNull: true,
+ tension: 0.1,
+ },
+ point: {
+ backgroundColor: 'rgb(255, 255, 0)',
+ borderWidth: 1,
+ borderColor: 'rgb(255, 255, 255)',
+ hitRadius: 1,
+ hoverRadius: 4,
+ hoverBorderWidth: 1,
+ radius: 3,
+ }
+ }
+ },
+ scale: scale
+ };
+
+ var controller = new Chart.controllers.radar(chart, 0);
+ controller.update();
+ var point = chart.data.datasets[0].metaData[0];
+
+ controller.setHoverStyle(point);
+ expect(point._model.backgroundColor).toBe('rgb(229, 230, 0)');
+ expect(point._model.borderColor).toBe('rgb(230, 230, 230)');
+ expect(point._model.borderWidth).toBe(1);
+ expect(point._model.radius).toBe(4);
+
+ // Can set hover style per dataset
+ chart.data.datasets[0].pointHoverRadius = 3.3;
+ chart.data.datasets[0].pointHoverBackgroundColor = 'rgb(77, 79, 81)';
+ chart.data.datasets[0].pointHoverBorderColor = 'rgb(123, 125, 127)';
+ chart.data.datasets[0].pointHoverBorderWidth = 2.1;
+
+ controller.setHoverStyle(point);
+ expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
+ expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
+ expect(point._model.borderWidth).toBe(2.1);
+ expect(point._model.radius).toBe(3.3);
+
+ // Custom style
+ point.custom = {
+ hoverRadius: 4.4,
+ hoverBorderWidth: 5.5,
+ hoverBackgroundColor: 'rgb(0, 0, 0)',
+ hoverBorderColor: 'rgb(10, 10, 10)'
+ };
+
+ controller.setHoverStyle(point);
+ expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
+ expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
+ expect(point._model.borderWidth).toBe(5.5);
+ expect(point._model.radius).toBe(4.4);
+ });
+
+
+ it('should remove hover styles', function() {
+ var data = {
+ datasets: [{
+ data: [10, 15, 0, -4],
+ label: 'dataset2',
+ }],
+ labels: ['label1', 'label2', 'label3', 'label4']
+ };
+ var mockContext = window.createMockContext();
+
+ var ScaleConstructor = Chart.scaleService.getScaleConstructor('radialLinear');
+ var scaleConfig = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('radialLinear'));
+ scaleConfig = Chart.helpers.scaleMerge(scaleConfig, Chart.defaults.radar.scale);
+ var scale = new ScaleConstructor({
+ ctx: mockContext,
+ options: scaleConfig,
+ chart: {
+ data: data
+ },
+ });
+
+ // Update ticks & set physical dimensions
+ scale.top = 0;
+ scale.left = 0;
+ scale.right = 300;
+ scale.bottom = 300;
+ scale.update(300, 300);
+
+
+ var chart = {
+ chartArea: {
+ bottom: 300,
+ left: 0,
+ right: 300,
+ top: 0
+ },
+ data: data,
+ config: {
+ type: 'radar'
+ },
+ options: {
+ elements: {
+ line: {
+ backgroundColor: 'rgb(255, 0, 0)',
+ borderCapStyle: 'round',
+ borderColor: 'rgb(0, 255, 0)',
+ borderDash: [],
+ borderDashOffset: 0.1,
+ borderJoinStyle: 'bevel',
+ borderWidth: 1.2,
+ fill: true,
+ skipNull: true,
+ tension: 0.1,
+ },
+ point: {
+ backgroundColor: 'rgb(255, 255, 0)',
+ borderWidth: 1,
+ borderColor: 'rgb(255, 255, 255)',
+ hitRadius: 1,
+ hoverRadius: 4,
+ hoverBorderWidth: 1,
+ radius: 3,
+ }
+ }
+ },
+ scale: scale
+ };
+
+ var controller = new Chart.controllers.radar(chart, 0);
+ controller.update();
+ var point = chart.data.datasets[0].metaData[0];
+
+ chart.options.elements.point.backgroundColor = 'rgb(45, 46, 47)';
+ chart.options.elements.point.borderColor = 'rgb(50, 51, 52)';
+ chart.options.elements.point.borderWidth = 10.1;
+ chart.options.elements.point.radius = 1.01;
+
+ controller.removeHoverStyle(point);
+ expect(point._model.backgroundColor).toBe('rgb(45, 46, 47)');
+ expect(point._model.borderColor).toBe('rgb(50, 51, 52)');
+ expect(point._model.borderWidth).toBe(10.1);
+ expect(point._model.radius).toBe(1.01);
+
+ // Can set hover style per dataset
+ chart.data.datasets[0].radius = 3.3;
+ chart.data.datasets[0].pointBackgroundColor = 'rgb(77, 79, 81)';
+ chart.data.datasets[0].pointBorderColor = 'rgb(123, 125, 127)';
+ chart.data.datasets[0].pointBorderWidth = 2.1;
+
+ controller.removeHoverStyle(point);
+ expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
+ expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
+ expect(point._model.borderWidth).toBe(2.1);
+ expect(point._model.radius).toBe(3.3);
+
+ // Custom style
+ point.custom = {
+ radius: 4.4,
+ borderWidth: 5.5,
+ backgroundColor: 'rgb(0, 0, 0)',
+ borderColor: 'rgb(10, 10, 10)'
+ };
+
+ controller.removeHoverStyle(point);
+ expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
+ expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
+ expect(point._model.borderWidth).toBe(5.5);
+ expect(point._model.radius).toBe(4.4);
+ });
+});
\ No newline at end of file