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| // Copyright 2018 The Cockroach Authors. | |
| // | |
| // Licensed under the Apache License, Version 2.0 (the "License"); | |
| // you may not use this file except in compliance with the License. | |
| // You may obtain a copy of the License at | |
| // | |
| // http://www.apache.org/licenses/LICENSE-2.0 | |
| // | |
| // Unless required by applicable law or agreed to in writing, software | |
| // distributed under the License is distributed on an "AS IS" BASIS, | |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or | |
| // implied. See the License for the specific language governing | |
| // permissions and limitations under the License. | |
| package testmodel | |
| import ( | |
| "reflect" | |
| "testing" | |
| ) | |
| func TestDataSeriesTimeSlice(t *testing.T) { | |
| testData := DataSeries{ | |
| dp(1, 5), | |
| dp(2, 5), | |
| dp(8, 10), | |
| dp(12, 10), | |
| dp(17, 5), | |
| dp(34, 50), | |
| dp(35, 75), | |
| dp(40, 10), | |
| dp(49, 10), | |
| dp(100, 500), | |
| dp(109, 50), | |
| dp(115, 99), | |
| } | |
| for _, tc := range []struct { | |
| start int64 | |
| end int64 | |
| expected DataSeries | |
| }{ | |
| { | |
| start: 0, | |
| end: 120, | |
| expected: testData, | |
| }, | |
| { | |
| start: 0, | |
| end: 0, | |
| expected: nil, | |
| }, | |
| { | |
| start: 1000, | |
| end: 1001, | |
| expected: nil, | |
| }, | |
| { | |
| start: 1, | |
| end: 2, | |
| expected: testData[:1], | |
| }, | |
| { | |
| start: -100, | |
| end: 36, | |
| expected: testData[:7], | |
| }, | |
| { | |
| start: 15, | |
| end: 2000, | |
| expected: testData[4:], | |
| }, | |
| { | |
| start: 15, | |
| end: 49, | |
| expected: DataSeries{ | |
| dp(17, 5), | |
| dp(34, 50), | |
| dp(35, 75), | |
| dp(40, 10), | |
| }, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := testData.TimeSlice(tc.start, tc.end) | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("time slice got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesGroupByResolution(t *testing.T) { | |
| // Each test uses the same input data. The input data includes several scenarios | |
| // for missing/present data, such as gaps of different sizes and irregular | |
| // recording patterns | |
| testData := DataSeries{ | |
| dp(1, 5), | |
| dp(2, 5), | |
| dp(8, 10), | |
| dp(12, 10), | |
| dp(17, 5), | |
| dp(34, 50), | |
| dp(35, 75), | |
| dp(40, 10), | |
| dp(41, 10), | |
| dp(42, 10), | |
| dp(43, 10), | |
| dp(44, 10), | |
| dp(45, 10), | |
| dp(46, 10), | |
| dp(47, 10), | |
| dp(48, 10), | |
| dp(49, 10), | |
| dp(100, 500), | |
| dp(109, 50), | |
| dp(115, 99), | |
| } | |
| for _, tc := range []struct { | |
| resolution int64 | |
| aggFunc aggFunc | |
| expected DataSeries | |
| }{ | |
| // Group by same resolution, aggregate add. | |
| { | |
| resolution: 1, | |
| aggFunc: AggregateSum, | |
| expected: testData, | |
| }, | |
| // Group by 10 second resolution, aggregate add. | |
| { | |
| resolution: 10, | |
| aggFunc: AggregateSum, | |
| expected: DataSeries{ | |
| dp(0, 20), | |
| dp(10, 15), | |
| dp(30, 125), | |
| dp(40, 100), | |
| dp(100, 550), | |
| dp(110, 99), | |
| }, | |
| }, | |
| // Group by 10 second resolution, aggregate last. | |
| { | |
| resolution: 10, | |
| aggFunc: AggregateLast, | |
| expected: DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(100, 50), | |
| dp(110, 99), | |
| }, | |
| }, | |
| // Group by 20 second resolution, aggregate last. | |
| { | |
| resolution: 20, | |
| aggFunc: AggregateLast, | |
| expected: DataSeries{ | |
| dp(0, 5), | |
| dp(20, 75), | |
| dp(40, 10), | |
| dp(100, 99), | |
| }, | |
| }, | |
| // Group by 100 second resolution, aggregate add. | |
| { | |
| resolution: 100, | |
| aggFunc: AggregateSum, | |
| expected: DataSeries{ | |
| dp(0, 260), | |
| dp(100, 649), | |
| }, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := testData.GroupByResolution(tc.resolution, tc.aggFunc) | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("group by resolution got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesFillByResolution(t *testing.T) { | |
| testData := DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(100, 70), | |
| dp(110, 99), | |
| } | |
| for _, tc := range []struct { | |
| resolution int64 | |
| fillFunc fillFunc | |
| expected DataSeries | |
| }{ | |
| // fill function that does nothing | |
| { | |
| resolution: 10, | |
| fillFunc: func(_ DataSeries, _ DataSeries, _ int64) DataSeries { | |
| return nil | |
| }, | |
| expected: DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(100, 70), | |
| dp(110, 99), | |
| }, | |
| }, | |
| // fill function that returns a constant value | |
| { | |
| resolution: 10, | |
| fillFunc: func(before DataSeries, _ DataSeries, res int64) DataSeries { | |
| return DataSeries{ | |
| dp(before[len(before)-1].TimestampNanos+res, 777), | |
| } | |
| }, | |
| expected: DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(20, 777), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(50, 777), | |
| dp(100, 70), | |
| dp(110, 99), | |
| }, | |
| }, | |
| // interpolation fill function | |
| { | |
| resolution: 10, | |
| fillFunc: fillFuncLinearInterpolate, | |
| expected: DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(20, 40), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(50, 20), | |
| dp(60, 30), | |
| dp(70, 40), | |
| dp(80, 50), | |
| dp(90, 60), | |
| dp(100, 70), | |
| dp(110, 99), | |
| }, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := testData.fillForResolution(tc.resolution, tc.fillFunc) | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("fill by resolution got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesRateOfChange(t *testing.T) { | |
| testData := DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(100, 70), | |
| dp(110, 99), | |
| } | |
| for _, tc := range []struct { | |
| period int64 | |
| expected DataSeries | |
| }{ | |
| { | |
| period: 10, | |
| expected: DataSeries{ | |
| dp(10, -5), | |
| dp(30, 35), | |
| dp(40, -65), | |
| dp(100, 10), | |
| dp(110, 29), | |
| }, | |
| }, | |
| { | |
| period: 1, | |
| expected: DataSeries{ | |
| dp(10, -0.5), | |
| dp(30, 3.5), | |
| dp(40, -6.5), | |
| dp(100, 1), | |
| dp(110, 2.9), | |
| }, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := testData.rateOfChange(tc.period) | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("rate of change got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesNonNegative(t *testing.T) { | |
| for _, tc := range []struct { | |
| input DataSeries | |
| expected DataSeries | |
| }{ | |
| { | |
| input: DataSeries{ | |
| dp(10, -5), | |
| dp(30, 35), | |
| dp(40, -65), | |
| dp(100, 10), | |
| dp(110, 29), | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 0), | |
| dp(30, 35), | |
| dp(40, 0), | |
| dp(100, 10), | |
| dp(110, 29), | |
| }, | |
| }, | |
| { | |
| input: DataSeries{ | |
| dp(10, -0.5), | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 0), | |
| }, | |
| }, | |
| { | |
| input: DataSeries{ | |
| dp(10, 0.001), | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 0.001), | |
| }, | |
| }, | |
| { | |
| input: DataSeries{}, | |
| expected: DataSeries{}, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := tc.input.nonNegative() | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("rate of change got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesAdjustTimestamp(t *testing.T) { | |
| testData := DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(100, 70), | |
| dp(110, 99), | |
| } | |
| for _, tc := range []struct { | |
| offset int64 | |
| expected DataSeries | |
| }{ | |
| { | |
| offset: 0, | |
| expected: DataSeries{ | |
| dp(0, 10), | |
| dp(10, 5), | |
| dp(30, 75), | |
| dp(40, 10), | |
| dp(100, 70), | |
| dp(110, 99), | |
| }, | |
| }, | |
| { | |
| offset: 15, | |
| expected: DataSeries{ | |
| dp(15, 10), | |
| dp(25, 5), | |
| dp(45, 75), | |
| dp(55, 10), | |
| dp(115, 70), | |
| dp(125, 99), | |
| }, | |
| }, | |
| { | |
| offset: -15, | |
| expected: DataSeries{ | |
| dp(-15, 10), | |
| dp(-5, 5), | |
| dp(15, 75), | |
| dp(25, 10), | |
| dp(85, 70), | |
| dp(95, 99), | |
| }, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := testData.adjustTimestamps(tc.offset) | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("adjust timestamp got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesRemoveDuplicates(t *testing.T) { | |
| for _, tc := range []struct { | |
| input DataSeries | |
| expected DataSeries | |
| }{ | |
| { | |
| input: DataSeries{ | |
| dp(10, 999), | |
| dp(10, 888), | |
| dp(10, 777), | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 777), | |
| }, | |
| }, | |
| { | |
| input: DataSeries{ | |
| dp(10, 999), | |
| dp(10, 888), | |
| dp(10, 777), | |
| dp(20, 100), | |
| dp(45, 300), | |
| dp(100, 1), | |
| dp(100, 2), | |
| dp(100, 3), | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 777), | |
| dp(20, 100), | |
| dp(45, 300), | |
| dp(100, 3), | |
| }, | |
| }, | |
| { | |
| input: DataSeries{ | |
| dp(10, 777), | |
| dp(20, 100), | |
| dp(45, 300), | |
| dp(100, 3), | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 777), | |
| dp(20, 100), | |
| dp(45, 300), | |
| dp(100, 3), | |
| }, | |
| }, | |
| { | |
| input: DataSeries{}, | |
| expected: DataSeries{}, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := tc.input.removeDuplicates() | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("remove duplicates got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesGroupByTimestamp(t *testing.T) { | |
| testData1 := DataSeries{ | |
| dp(10, 1), | |
| dp(20, 1), | |
| dp(30, 1), | |
| dp(140, 1), | |
| dp(777, 1), | |
| } | |
| testData2 := DataSeries{ | |
| dp(10, 2), | |
| dp(20, 2), | |
| dp(30, 2), | |
| dp(140, 2), | |
| dp(777, 2), | |
| } | |
| testDataStaggered := DataSeries{ | |
| dp(10, 5), | |
| dp(25, 5), | |
| dp(30, 5), | |
| dp(141, 5), | |
| dp(888, 5), | |
| } | |
| for _, tc := range []struct { | |
| inputs []DataSeries | |
| aggFunc aggFunc | |
| expected DataSeries | |
| }{ | |
| { | |
| inputs: nil, | |
| aggFunc: AggregateSum, | |
| expected: nil, | |
| }, | |
| { | |
| inputs: []DataSeries{testData1}, | |
| aggFunc: AggregateSum, | |
| expected: DataSeries{ | |
| dp(10, 1), | |
| dp(20, 1), | |
| dp(30, 1), | |
| dp(140, 1), | |
| dp(777, 1), | |
| }, | |
| }, | |
| { | |
| inputs: []DataSeries{testData1, testData2}, | |
| aggFunc: AggregateSum, | |
| expected: DataSeries{ | |
| dp(10, 3), | |
| dp(20, 3), | |
| dp(30, 3), | |
| dp(140, 3), | |
| dp(777, 3), | |
| }, | |
| }, | |
| { | |
| inputs: []DataSeries{testData1, testData2}, | |
| aggFunc: AggregateAverage, | |
| expected: DataSeries{ | |
| dp(10, 1.5), | |
| dp(20, 1.5), | |
| dp(30, 1.5), | |
| dp(140, 1.5), | |
| dp(777, 1.5), | |
| }, | |
| }, | |
| { | |
| inputs: []DataSeries{testData1, testData2, testDataStaggered}, | |
| aggFunc: AggregateSum, | |
| expected: DataSeries{ | |
| dp(10, 8), | |
| dp(20, 3), | |
| dp(25, 5), | |
| dp(30, 8), | |
| dp(140, 3), | |
| dp(141, 5), | |
| dp(777, 3), | |
| dp(888, 5), | |
| }, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := groupSeriesByTimestamp(tc.inputs, tc.aggFunc) | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("rate of change got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } | |
| func TestDataSeriesIntersectTimestamps(t *testing.T) { | |
| testData := DataSeries{ | |
| dp(10, 999), | |
| dp(11, 888), | |
| dp(12, 777), | |
| dp(13, 999), | |
| dp(14, 888), | |
| dp(15, 777), | |
| dp(16, 999), | |
| dp(17, 888), | |
| dp(18, 777), | |
| } | |
| for _, tc := range []struct { | |
| intersections []DataSeries | |
| expected DataSeries | |
| }{ | |
| { | |
| intersections: []DataSeries{ | |
| { | |
| dp(10, 0), | |
| }, | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 999), | |
| }, | |
| }, | |
| { | |
| intersections: []DataSeries{}, | |
| expected: DataSeries{}, | |
| }, | |
| { | |
| intersections: []DataSeries{ | |
| { | |
| dp(10, 0), | |
| dp(12, 0), | |
| dp(14, 0), | |
| dp(16, 0), | |
| dp(18, 0), | |
| dp(20, 0), | |
| }, | |
| { | |
| dp(11, 0), | |
| dp(13, 0), | |
| dp(15, 0), | |
| dp(17, 0), | |
| dp(19, 0), | |
| dp(21, 0), | |
| }, | |
| }, | |
| expected: testData, | |
| }, | |
| { | |
| intersections: []DataSeries{ | |
| { | |
| dp(10, 0), | |
| }, | |
| { | |
| dp(13, 0), | |
| dp(17, 0), | |
| dp(21, 0), | |
| }, | |
| { | |
| dp(10, 0), | |
| dp(15, 0), | |
| dp(17, 0), | |
| }, | |
| }, | |
| expected: DataSeries{ | |
| dp(10, 999), | |
| dp(13, 999), | |
| dp(15, 777), | |
| dp(17, 888), | |
| }, | |
| }, | |
| } { | |
| t.Run("", func(t *testing.T) { | |
| results := testData.intersectTimestamps(tc.intersections...) | |
| if a, e := results, tc.expected; !reflect.DeepEqual(a, e) { | |
| t.Errorf("intersect timestamps got %v, wanted %v", a, e) | |
| } | |
| }) | |
| } | |
| } |