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| 1 | +import { default as VChartConstructor } from '../../../../../src'; |
| 2 | +import { createCanvas, removeDom } from '../../../../util/dom'; |
| 3 | + |
| 4 | +describe('cartesian axis hideWhenEmpty', () => { |
| 5 | + let canvasDom: HTMLCanvasElement; |
| 6 | + let vchart: any; |
| 7 | + |
| 8 | + beforeEach(() => { |
| 9 | + canvasDom = createCanvas(); |
| 10 | + canvasDom.style.position = 'relative'; |
| 11 | + canvasDom.style.width = '500px'; |
| 12 | + canvasDom.style.height = '500px'; |
| 13 | + canvasDom.width = 500; |
| 14 | + canvasDom.height = 500; |
| 15 | + }); |
| 16 | + |
| 17 | + afterEach(() => { |
| 18 | + removeDom(canvasDom); |
| 19 | + vchart?.release(); |
| 20 | + }); |
| 21 | + |
| 22 | + const getAxis = (orient: string) => |
| 23 | + vchart.getComponents().find((com: any) => com.layout?.layoutOrient === orient) as any; |
| 24 | + |
| 25 | + test('should hide axis on initial render when bound series has no collected data', () => { |
| 26 | + vchart = new VChartConstructor( |
| 27 | + { |
| 28 | + type: 'line', |
| 29 | + width: 400, |
| 30 | + height: 300, |
| 31 | + data: [{ id: 'lineData', values: [] }], |
| 32 | + axes: [ |
| 33 | + { id: 'axis-left', orient: 'left', hideWhenEmpty: true }, |
| 34 | + { id: 'axis-bottom', orient: 'bottom', type: 'band' } |
| 35 | + ], |
| 36 | + series: [{ type: 'line', dataId: 'lineData', xField: 'x', yField: 'y' }] |
| 37 | + } as any, |
| 38 | + { |
| 39 | + renderCanvas: canvasDom, |
| 40 | + animation: false |
| 41 | + } |
| 42 | + ); |
| 43 | + |
| 44 | + vchart.renderSync(); |
| 45 | + |
| 46 | + const leftAxis = getAxis('left'); |
| 47 | + expect(leftAxis.getVisible()).toBe(false); |
| 48 | + expect(leftAxis.getLayoutRect().width).toBe(0); |
| 49 | + }); |
| 50 | + |
| 51 | + test('should keep default behavior when hideWhenEmpty is not enabled', () => { |
| 52 | + vchart = new VChartConstructor( |
| 53 | + { |
| 54 | + type: 'line', |
| 55 | + width: 400, |
| 56 | + height: 300, |
| 57 | + data: [{ id: 'lineData', values: [] }], |
| 58 | + axes: [ |
| 59 | + { id: 'axis-left', orient: 'left' }, |
| 60 | + { id: 'axis-bottom', orient: 'bottom', type: 'band' } |
| 61 | + ], |
| 62 | + series: [{ type: 'line', dataId: 'lineData', xField: 'x', yField: 'y' }] |
| 63 | + } as any, |
| 64 | + { |
| 65 | + renderCanvas: canvasDom, |
| 66 | + animation: false |
| 67 | + } |
| 68 | + ); |
| 69 | + |
| 70 | + vchart.renderSync(); |
| 71 | + |
| 72 | + const leftAxis = getAxis('left'); |
| 73 | + expect(leftAxis.getVisible()).toBe(true); |
| 74 | + }); |
| 75 | + |
| 76 | + test('should only hide empty bound axes and show them again after data updates', async () => { |
| 77 | + vchart = new VChartConstructor( |
| 78 | + { |
| 79 | + type: 'common', |
| 80 | + width: 400, |
| 81 | + height: 300, |
| 82 | + data: [ |
| 83 | + { id: 'emptyLine', values: [] }, |
| 84 | + { |
| 85 | + id: 'activeLine', |
| 86 | + values: [ |
| 87 | + { x: 'Mon', y: 10 }, |
| 88 | + { x: 'Tue', y: 20 } |
| 89 | + ] |
| 90 | + } |
| 91 | + ], |
| 92 | + axes: [ |
| 93 | + { id: 'axis-left', orient: 'left', seriesIndex: [0], hideWhenEmpty: true }, |
| 94 | + { id: 'axis-right', orient: 'right', seriesIndex: [1], hideWhenEmpty: true }, |
| 95 | + { id: 'axis-bottom', orient: 'bottom', type: 'band' } |
| 96 | + ], |
| 97 | + series: [ |
| 98 | + { type: 'line', dataId: 'emptyLine', xField: 'x', yField: 'y' }, |
| 99 | + { type: 'line', dataId: 'activeLine', xField: 'x', yField: 'y' } |
| 100 | + ] |
| 101 | + } as any, |
| 102 | + { |
| 103 | + renderCanvas: canvasDom, |
| 104 | + animation: false |
| 105 | + } |
| 106 | + ); |
| 107 | + |
| 108 | + vchart.renderSync(); |
| 109 | + |
| 110 | + const leftAxis = getAxis('left'); |
| 111 | + const rightAxis = getAxis('right'); |
| 112 | + expect(leftAxis.getVisible()).toBe(false); |
| 113 | + expect(rightAxis.getVisible()).toBe(true); |
| 114 | + |
| 115 | + await vchart.updateData('emptyLine', [ |
| 116 | + { x: 'Mon', y: 5 }, |
| 117 | + { x: 'Tue', y: 15 } |
| 118 | + ]); |
| 119 | + |
| 120 | + expect(leftAxis.getVisible()).toBe(true); |
| 121 | + expect(leftAxis.getLayoutRect().width).toBeGreaterThan(0); |
| 122 | + }); |
| 123 | +}); |
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