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1 |
| -/* global createChordChart, createHistoryChart, createList, createTable, createSpinner */ |
| 1 | +/* global |
| 2 | + aggregateTimeData, |
| 3 | + createChordChart, |
| 4 | + createHistoryChart, |
| 5 | + createList, |
| 6 | + createTable, |
| 7 | + createSpinner, |
| 8 | +*/ |
2 | 9 |
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3 | 10 | describe('global charts.js', function()
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4 | 11 | {
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@@ -62,4 +69,133 @@ describe('global charts.js', function()
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62 | 69 | });
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63 | 70 | });
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64 | 71 | });
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| 72 | + describe('aggregation for time series', function() |
| 73 | + { |
| 74 | + // Generate data from startDate to endDate (both inclusive) with a generator functor |
| 75 | + function generateData(startDate, endDate, generator) |
| 76 | + { |
| 77 | + let dates = d3.utcDay.range(d3.isoParse(startDate), d3.utcDay.offset(d3.isoParse(endDate), 1)); |
| 78 | + let data = Array(); |
| 79 | + |
| 80 | + for (let i = 0; i < dates.length; i++) |
| 81 | + data.push({'date': dates[i], 'value': generator(i)}); |
| 82 | + |
| 83 | + return data; |
| 84 | + } |
| 85 | + |
| 86 | + // Integer range generator |
| 87 | + function integerRangeGenerator(start, modulo) |
| 88 | + { |
| 89 | + if (modulo) |
| 90 | + return (i => (start + i) % modulo); |
| 91 | + |
| 92 | + return (i => start + i); |
| 93 | + } |
| 94 | + |
| 95 | + const dateToString = d3.utcFormat('%Y-%m-%d'); |
| 96 | + |
| 97 | + it('should aggregate over weeks correctly', function() |
| 98 | + { |
| 99 | + const aggregationConfig = {'period': 'week', 'method': 'max'}; |
| 100 | + const generator = integerRangeGenerator(0, 28); |
| 101 | + // 2018-01-01 is a Monday, and 2018-09-30 is a Sunday |
| 102 | + const data = generateData('2018-01-01', '2018-09-30', generator); |
| 103 | + const aggregatedData = aggregateTimeData(data, aggregationConfig); |
| 104 | + |
| 105 | + expect(aggregatedData.length = 39); |
| 106 | + expect(dateToString(aggregatedData[0]['date'])).toEqual('2018-01-01'); |
| 107 | + expect(dateToString(aggregatedData[1]['date'])).toEqual('2018-01-08'); |
| 108 | + expect(dateToString(aggregatedData[2]['date'])).toEqual('2018-01-15'); |
| 109 | + expect(dateToString(aggregatedData[37]['date'])).toEqual('2018-09-17'); |
| 110 | + expect(dateToString(aggregatedData[38]['date'])).toEqual('2018-09-24'); |
| 111 | + expect(aggregatedData[0]['value']).toEqual(6); |
| 112 | + expect(aggregatedData[1]['value']).toEqual(13); |
| 113 | + expect(aggregatedData[2]['value']).toEqual(20); |
| 114 | + expect(aggregatedData[4]['value']).toEqual(6); |
| 115 | + expect(aggregatedData[5]['value']).toEqual(13); |
| 116 | + expect(aggregatedData[36]['value']).toEqual(6); |
| 117 | + expect(aggregatedData[37]['value']).toEqual(13); |
| 118 | + expect(aggregatedData[38]['value']).toEqual(20); |
| 119 | + }); |
| 120 | + |
| 121 | + it('should not have off-by-one errors (1)', function() |
| 122 | + { |
| 123 | + const aggregationConfig = {'period': 'week', 'method': 'max'}; |
| 124 | + const generator = integerRangeGenerator(27, 28); |
| 125 | + // 2017-12-31 is a Sunday, and 2018-10-01 is a Monday |
| 126 | + const data = generateData('2017-12-31', '2018-10-01', generator); |
| 127 | + const aggregatedData = aggregateTimeData(data, aggregationConfig); |
| 128 | + |
| 129 | + expect(aggregatedData.length = 39); |
| 130 | + expect(dateToString(aggregatedData[0]['date'])).toEqual('2018-01-01'); |
| 131 | + expect(dateToString(aggregatedData[1]['date'])).toEqual('2018-01-08'); |
| 132 | + expect(dateToString(aggregatedData[2]['date'])).toEqual('2018-01-15'); |
| 133 | + expect(dateToString(aggregatedData[37]['date'])).toEqual('2018-09-17'); |
| 134 | + expect(dateToString(aggregatedData[38]['date'])).toEqual('2018-09-24'); |
| 135 | + expect(aggregatedData[0]['value']).toEqual(6); |
| 136 | + expect(aggregatedData[1]['value']).toEqual(13); |
| 137 | + expect(aggregatedData[2]['value']).toEqual(20); |
| 138 | + expect(aggregatedData[4]['value']).toEqual(6); |
| 139 | + expect(aggregatedData[5]['value']).toEqual(13); |
| 140 | + expect(aggregatedData[36]['value']).toEqual(6); |
| 141 | + expect(aggregatedData[37]['value']).toEqual(13); |
| 142 | + expect(aggregatedData[38]['value']).toEqual(20); |
| 143 | + }); |
| 144 | + |
| 145 | + it('should not have off-by-one errors (2)', function() |
| 146 | + { |
| 147 | + const aggregationConfig = {'period': 'week', 'method': 'max'}; |
| 148 | + const generator = integerRangeGenerator(1, 28); |
| 149 | + // 2018-01-02 is a Tuesday, and 2018-09-29 is a Saturday |
| 150 | + const data = generateData('2018-01-02', '2018-09-29', generator); |
| 151 | + const aggregatedData = aggregateTimeData(data, aggregationConfig); |
| 152 | + |
| 153 | + expect(aggregatedData.length = 37); |
| 154 | + expect(dateToString(aggregatedData[0]['date'])).toEqual('2018-01-08'); |
| 155 | + expect(dateToString(aggregatedData[1]['date'])).toEqual('2018-01-15'); |
| 156 | + expect(dateToString(aggregatedData[35]['date'])).toEqual('2018-09-10'); |
| 157 | + expect(dateToString(aggregatedData[36]['date'])).toEqual('2018-09-17'); |
| 158 | + expect(aggregatedData[0]['value']).toEqual(13); |
| 159 | + expect(aggregatedData[1]['value']).toEqual(20); |
| 160 | + expect(aggregatedData[3]['value']).toEqual(6); |
| 161 | + expect(aggregatedData[4]['value']).toEqual(13); |
| 162 | + expect(aggregatedData[35]['value']).toEqual(6); |
| 163 | + expect(aggregatedData[36]['value']).toEqual(13); |
| 164 | + }); |
| 165 | + |
| 166 | + it('should aggregate sums correctly', function() |
| 167 | + { |
| 168 | + const aggregationConfig = {'period': 'week', 'method': 'sum'}; |
| 169 | + const generator = integerRangeGenerator(0, 10); |
| 170 | + // 2018-01-01 is a Monday, and 2018-09-30 is a Sunday |
| 171 | + const data = generateData('2018-01-01', '2018-09-30', generator); |
| 172 | + const aggregatedData = aggregateTimeData(data, aggregationConfig); |
| 173 | + |
| 174 | + expect(aggregatedData.length = 39); |
| 175 | + expect(aggregatedData[0]['value']).toEqual(21); |
| 176 | + expect(aggregatedData[1]['value']).toEqual(30); |
| 177 | + expect(aggregatedData[2]['value']).toEqual(39); |
| 178 | + expect(aggregatedData[36]['value']).toEqual(35); |
| 179 | + expect(aggregatedData[37]['value']).toEqual(24); |
| 180 | + expect(aggregatedData[38]['value']).toEqual(33); |
| 181 | + }); |
| 182 | + |
| 183 | + it('should aggregate over months correctly', function() |
| 184 | + { |
| 185 | + const aggregationConfig = {'period': 'month', 'method': 'first'}; |
| 186 | + const generator = integerRangeGenerator(9, 10); |
| 187 | + const data = generateData('2017-12-31', '2019-01-01', generator); |
| 188 | + const aggregatedData = aggregateTimeData(data, aggregationConfig); |
| 189 | + |
| 190 | + expect(aggregatedData.length = 12); |
| 191 | + expect(dateToString(aggregatedData[0]['date'])).toEqual('2018-01-01'); |
| 192 | + expect(dateToString(aggregatedData[1]['date'])).toEqual('2018-02-01'); |
| 193 | + expect(dateToString(aggregatedData[10]['date'])).toEqual('2018-11-01'); |
| 194 | + expect(dateToString(aggregatedData[11]['date'])).toEqual('2018-12-01'); |
| 195 | + expect(aggregatedData[0]['value']).toEqual(0); |
| 196 | + expect(aggregatedData[1]['value']).toEqual(1); |
| 197 | + expect(aggregatedData[10]['value']).toEqual(4); |
| 198 | + expect(aggregatedData[11]['value']).toEqual(4); |
| 199 | + }); |
| 200 | + }); |
65 | 201 | });
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