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accumulator.go
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/
accumulator.go
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package testutil
import (
"fmt"
"time"
)
type Point struct {
Measurement string
Value interface{}
Tags map[string]string
Values map[string]interface{}
Time time.Time
}
type Accumulator struct {
Points []*Point
}
func (a *Accumulator) Add(measurement string, value interface{}, tags map[string]string) {
a.Points = append(
a.Points,
&Point{
Measurement: measurement,
Value: value,
Tags: tags,
},
)
}
func (a *Accumulator) AddValuesWithTime(
measurement string,
values map[string]interface{},
tags map[string]string,
timestamp time.Time,
) {
a.Points = append(
a.Points,
&Point{
Measurement: measurement,
Values: values,
Tags: tags,
Time: timestamp,
},
)
}
func (a *Accumulator) Get(measurement string) (*Point, bool) {
for _, p := range a.Points {
if p.Measurement == measurement {
return p, true
}
}
return nil, false
}
func (a *Accumulator) CheckValue(measurement string, val interface{}) bool {
for _, p := range a.Points {
if p.Measurement == measurement {
return p.Value == val
}
}
return false
}
func (a *Accumulator) CheckTaggedValue(measurement string, val interface{}, tags map[string]string) bool {
return a.ValidateTaggedValue(measurement, val, tags) == nil
}
func (a *Accumulator) ValidateTaggedValue(measurement string, val interface{}, tags map[string]string) error {
for _, p := range a.Points {
var found bool
if p.Tags == nil && tags == nil {
found = true
} else {
for k, v := range p.Tags {
if tags[k] == v {
found = true
break
}
}
}
if found && p.Measurement == measurement {
if p.Value != val {
return fmt.Errorf("%v (%T) != %v (%T)", p.Value, p.Value, val, val)
}
return nil
}
}
return fmt.Errorf("unknown value %s with tags %v", measurement, tags)
}
func (a *Accumulator) ValidateValue(measurement string, val interface{}) error {
return a.ValidateTaggedValue(measurement, val, nil)
}
func (a *Accumulator) HasIntValue(measurement string) bool {
for _, p := range a.Points {
if p.Measurement == measurement {
_, ok := p.Value.(int64)
return ok
}
}
return false
}
func (a *Accumulator) HasFloatValue(measurement string) bool {
for _, p := range a.Points {
if p.Measurement == measurement {
_, ok := p.Value.(float64)
return ok
}
}
return false
}