influxdb/checkers/series_equal.go

114 lines
2.6 KiB
Go

package checkers
import (
"fmt"
"reflect"
"github.com/influxdb/influxdb/protocol"
. "launchpad.net/gocheck"
)
type SeriesEqualsChecker struct {
*CheckerInfo
}
var SeriesEquals Checker = &SeriesEqualsChecker{
&CheckerInfo{Name: "SeriesEquals", Params: []string{"obtained", "expected"}},
}
func (checker *SeriesEqualsChecker) Check(params []interface{}, names []string) (result bool, error string) {
defer func() {
if v := recover(); v != nil {
result = false
error = fmt.Sprint(v)
}
}()
var p1, p2 []*protocol.Series
switch x := params[0].(type) {
case []*protocol.Series:
p1 = x
default:
return false, "first parameter isn't a series"
}
switch x := params[1].(type) {
case []*protocol.Series:
p2 = x
default:
return false, "second parameter isn't a series"
}
areEqual := CheckEquality(p1, p2)
if areEqual {
return true, ""
}
return false, "series aren't equal"
}
func CheckEquality(s1, s2 []*protocol.Series) bool {
if len(s1) != len(s2) {
return false
}
for idx, series := range s1 {
if !CheckSeriesEquality(series, s2[idx]) {
return false
}
}
return true
}
type SimplePoint [10]interface{}
// return true if the two series are equal, ignoring the order of
// points with the same timestamp. Two points can have the same
// sequence number if the user issue a query with group by time(1h)
// and some_column.
func CheckSeriesEquality(s1, s2 *protocol.Series) bool {
if len(s1.Points) != len(s2.Points) {
return false
}
if !reflect.DeepEqual(s1.Fields, s2.Fields) {
return false
}
firstSeriesPoints := map[int64]map[SimplePoint]bool{}
secondSeriesPoints := map[int64]map[SimplePoint]bool{}
for idx, point := range s1.Points {
secondPoint := s2.Points[idx]
// make sure that the timestamp of the points are equal
if *point.Timestamp != *secondPoint.Timestamp {
return false
}
firstSimplePoint := SimplePoint{}
secondSimplePoint := SimplePoint{}
for fieldIndex := range s1.Fields {
firstSimplePoint[fieldIndex], _ = point.Values[fieldIndex].GetValue()
secondSimplePoint[fieldIndex], _ = point.Values[fieldIndex].GetValue()
}
pointsMap := firstSeriesPoints[*point.Timestamp]
if pointsMap == nil {
pointsMap = map[SimplePoint]bool{}
firstSeriesPoints[*point.Timestamp] = pointsMap
}
pointsMap[firstSimplePoint] = true
pointsMap = secondSeriesPoints[*point.Timestamp]
if pointsMap == nil {
pointsMap = map[SimplePoint]bool{}
secondSeriesPoints[*point.Timestamp] = pointsMap
}
pointsMap[secondSimplePoint] = true
}
return reflect.DeepEqual(firstSeriesPoints, secondSeriesPoints)
}