influxdb/mock/points_writer.go

63 lines
1.4 KiB
Go

package mock
import (
"context"
"sync"
"github.com/influxdata/influxdb/v2"
"github.com/influxdata/influxdb/v2/models"
)
// PointsWriter is a mock structure for writing points.
type PointsWriter struct {
timesWriteCalled int
mu sync.RWMutex
Points []models.Point
Err error
WritePointsFn func(ctx context.Context, orgID influxdb.ID, bucketID influxdb.ID, points []models.Point) error
}
// ForceError is for error testing, if WritePoints is called after ForceError, it will return that error.
func (p *PointsWriter) ForceError(err error) {
p.mu.Lock()
p.Err = err
p.mu.Unlock()
}
// WritePoints writes points to the PointsWriter that will be exposed in the Values.
func (p *PointsWriter) WritePoints(ctx context.Context, orgID influxdb.ID, bucketID influxdb.ID, points []models.Point) error {
if p.WritePointsFn != nil {
return p.WritePointsFn(ctx, orgID, bucketID, points)
}
p.mu.Lock()
p.timesWriteCalled++
p.Points = append(p.Points, points...)
err := p.Err
p.mu.Unlock()
return err
}
// Next returns the next (oldest) batch of values.
func (p *PointsWriter) Next() models.Point {
var points models.Point
p.mu.RLock()
if len(p.Points) == 0 {
p.mu.RUnlock()
return points
}
p.mu.RUnlock()
p.mu.Lock()
defer p.mu.Unlock()
points, p.Points = p.Points[0], p.Points[1:]
return points
}
func (p *PointsWriter) WritePointsCalled() int {
p.mu.Lock()
defer p.mu.Unlock()
return p.timesWriteCalled
}