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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package aggregator
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
const (
DateYearMonthDayHourMinute = "2022-06-16T17:30:"
DateNanoSecondsTimeZone = ".451235Z"
)
func TestDateAggregator(t *testing.T) {
tests := []struct {
name string
seconds []string
expectedMedian string
expectedMode string
}{
{
name: "Single value",
seconds: []string{"17"},
expectedMedian: "17",
expectedMode: "17",
},
{
name: "Even number of values",
seconds: []string{"18", "18", "20", "25"},
expectedMedian: "19",
expectedMode: "18",
},
{
name: "Uneven number of values",
seconds: []string{"18", "18", "19", "20", "25"},
expectedMedian: "19",
expectedMode: "18",
},
}
names := []string{"AddTimestamp", "AddRow"}
for _, tt := range tests {
for _, name := range names { // test two ways of adding the value to the aggregator
t.Run(tt.name+" "+name, func(t *testing.T) {
agg := newDateAggregator()
for _, second := range tt.seconds {
fullDate := DateYearMonthDayHourMinute + second + DateNanoSecondsTimeZone
if name == names[0] {
err := agg.AddTimestamp(fullDate)
assert.Nil(t, err)
} else {
timeParsed, err := time.Parse(time.RFC3339, fullDate)
assert.Nil(t, err)
ts := newTimestamp(timeParsed.UnixNano())
err = agg.addRow(ts, 1)
assert.Nil(t, err)
}
}
agg.buildPairsFromCounts() // needed to populate all required info
assert.Equal(t, DateYearMonthDayHourMinute+tt.expectedMedian+DateNanoSecondsTimeZone, agg.Median())
if len(tt.expectedMode) > 0 { // if there is no value that appears more often than other values
assert.Equal(t, DateYearMonthDayHourMinute+tt.expectedMode+DateNanoSecondsTimeZone, agg.Mode())
}
})
}
}
}
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