telegraf/testutil/accumulator.go

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package testutil
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import "fmt"
type Point struct {
Name string
Value interface{}
Tags map[string]string
}
type Accumulator struct {
Points []*Point
}
func (a *Accumulator) Add(name string, value interface{}, tags map[string]string) {
a.Points = append(a.Points, &Point{name, value, tags})
}
func (a *Accumulator) CheckValue(name string, val interface{}) bool {
for _, p := range a.Points {
if p.Name == name {
return p.Value == val
}
}
return false
}
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func (a *Accumulator) CheckTaggedValue(name string, val interface{}, tags map[string]string) bool {
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return a.ValidateTaggedValue(name, val, tags) == nil
}
func (a *Accumulator) ValidateTaggedValue(name string, val interface{}, tags map[string]string) error {
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for _, p := range a.Points {
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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
}
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}
}
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if found && p.Name == name {
if p.Value != val {
return fmt.Errorf("%v (%T) != %v (%T)", p.Value, p.Value, val, val)
}
return nil
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}
}
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return fmt.Errorf("unknown value %s with tags %v", name, tags)
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}