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80 lines
1.7 KiB
JavaScript
80 lines
1.7 KiB
JavaScript
// Test the rectangle element
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describe('Arc element tests', function() {
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it ('Should be constructed', function() {
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var arc = new Chart.elements.Arc({
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_datasetIndex: 2,
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_index: 1
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});
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expect(arc).not.toBe(undefined);
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expect(arc._datasetIndex).toBe(2);
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expect(arc._index).toBe(1);
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});
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it ('should determine if in range', function() {
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var arc = new Chart.elements.Arc({
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_datasetIndex: 2,
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_index: 1
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});
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// Mock out the view as if the controller put it there
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arc._view = {
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startAngle: 0,
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endAngle: Math.PI / 2,
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x: 0,
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y: 0,
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innerRadius: 5,
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outerRadius: 10,
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};
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expect(arc.inRange(2, 2)).toBe(false);
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expect(arc.inRange(7, 0)).toBe(true);
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expect(arc.inRange(0, 11)).toBe(false);
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expect(arc.inRange(Math.sqrt(32), Math.sqrt(32))).toBe(true);
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expect(arc.inRange(-1.0 * Math.sqrt(7), Math.sqrt(7))).toBe(false);
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});
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it ('should get the tooltip position', function() {
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var arc = new Chart.elements.Arc({
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_datasetIndex: 2,
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_index: 1
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});
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// Mock out the view as if the controller put it there
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arc._view = {
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startAngle: 0,
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endAngle: Math.PI / 2,
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x: 0,
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y: 0,
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innerRadius: 0,
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outerRadius: Math.sqrt(2),
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};
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var pos = arc.tooltipPosition();
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expect(pos.x).toBeCloseTo(0.5);
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expect(pos.y).toBeCloseTo(0.5);
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});
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it ('should get the center', function() {
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var arc = new Chart.elements.Arc({
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_datasetIndex: 2,
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_index: 1
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});
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// Mock out the view as if the controller put it there
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arc._view = {
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startAngle: 0,
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endAngle: Math.PI / 2,
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x: 0,
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y: 0,
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innerRadius: 0,
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outerRadius: Math.sqrt(2),
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};
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var center = arc.getCenterPoint();
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expect(center.x).toBeCloseTo(0.5, 6);
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expect(center.y).toBeCloseTo(0.5, 6);
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});
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});
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