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File: vendors/chart.js/test/element.arc.tests.js

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File: vendors/chart.js/test/element.arc.tests.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Gentelella BladeOne
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Date: 2 years ago
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// Test the rectangle element describe('Arc element tests', function() { it ('Should be constructed', function() { var arc = new Chart.elements.Arc({ _datasetIndex: 2, _index: 1 }); expect(arc).not.toBe(undefined); expect(arc._datasetIndex).toBe(2); expect(arc._index).toBe(1); }); it ('should determine if in range', function() { var arc = new Chart.elements.Arc({ _datasetIndex: 2, _index: 1 }); // Make sure we can run these before the view is added expect(arc.inRange(2, 2)).toBe(false); expect(arc.inLabelRange(2)).toBe(false); // Mock out the view as if the controller put it there arc._view = { startAngle: 0, endAngle: Math.PI / 2, x: 0, y: 0, innerRadius: 5, outerRadius: 10, }; expect(arc.inRange(2, 2)).toBe(false); expect(arc.inRange(7, 0)).toBe(true); expect(arc.inRange(0, 11)).toBe(false); expect(arc.inRange(Math.sqrt(32), Math.sqrt(32))).toBe(true); expect(arc.inRange(-1.0 * Math.sqrt(7), Math.sqrt(7))).toBe(false); }); it ('should get the tooltip position', function() { var arc = new Chart.elements.Arc({ _datasetIndex: 2, _index: 1 }); // Mock out the view as if the controller put it there arc._view = { startAngle: 0, endAngle: Math.PI / 2, x: 0, y: 0, innerRadius: 0, outerRadius: Math.sqrt(2), }; var pos = arc.tooltipPosition(); expect(pos.x).toBeCloseTo(0.5); expect(pos.y).toBeCloseTo(0.5); }); it ('should draw correctly with no border', function() { var mockContext = window.createMockContext(); var arc = new Chart.elements.Arc({ _datasetIndex: 2, _index: 1, _chart: { ctx: mockContext, } }); // Mock out the view as if the controller put it there arc._view = { startAngle: 0, endAngle: Math.PI / 2, x: 10, y: 5, innerRadius: 1, outerRadius: 3, backgroundColor: 'rgb(0, 0, 255)', borderColor: 'rgb(255, 0, 0)', }; arc.draw(); expect(mockContext.getCalls()).toEqual([{ name: 'beginPath', args: [] }, { name: 'arc', args: [10, 5, 3, 0, Math.PI / 2] }, { name: 'arc', args: [10, 5, 1, Math.PI / 2, 0, true] }, { name: 'closePath', args: [] }, { name: 'setStrokeStyle', args: ['rgb(255, 0, 0)'] }, { name: 'setLineWidth', args: [undefined] }, { name: 'setFillStyle', args: ['rgb(0, 0, 255)'] }, { name: 'fill', args: [] }, { name: 'setLineJoin', args: ['bevel'] }]); }); it ('should draw correctly with a border', function() { var mockContext = window.createMockContext(); var arc = new Chart.elements.Arc({ _datasetIndex: 2, _index: 1, _chart: { ctx: mockContext, } }); // Mock out the view as if the controller put it there arc._view = { startAngle: 0, endAngle: Math.PI / 2, x: 10, y: 5, innerRadius: 1, outerRadius: 3, backgroundColor: 'rgb(0, 0, 255)', borderColor: 'rgb(255, 0, 0)', borderWidth: 5 }; arc.draw(); expect(mockContext.getCalls()).toEqual([{ name: 'beginPath', args: [] }, { name: 'arc', args: [10, 5, 3, 0, Math.PI / 2] }, { name: 'arc', args: [10, 5, 1, Math.PI / 2, 0, true] }, { name: 'closePath', args: [] }, { name: 'setStrokeStyle', args: ['rgb(255, 0, 0)'] }, { name: 'setLineWidth', args: [5] }, { name: 'setFillStyle', args: ['rgb(0, 0, 255)'] }, { name: 'fill', args: [] }, { name: 'setLineJoin', args: ['bevel'] }, { name: 'stroke', args: [] }]); }); });