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per_vu_iterations.go
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/
per_vu_iterations.go
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/*
*
* k6 - a next-generation load testing tool
* Copyright (C) 2019 Load Impact
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package scheduler
import (
"fmt"
"time"
"github.com/loadimpact/k6/lib/types"
null "gopkg.in/guregu/null.v3"
)
const perVUIterationsType = "per-vu-iterations"
func init() {
RegisterConfigType(perVUIterationsType, func(name string, rawJSON []byte) (Config, error) {
config := NewPerVUIterationsConfig(name)
err := strictJSONUnmarshal(rawJSON, &config)
return config, err
})
}
// PerVUIteationsConfig stores the number of VUs iterations, as well as maxDuration settings
type PerVUIteationsConfig struct {
BaseConfig
VUs null.Int `json:"vus"`
Iterations null.Int `json:"iterations"`
MaxDuration types.NullDuration `json:"maxDuration"`
}
// NewPerVUIterationsConfig returns a PerVUIteationsConfig with default values
func NewPerVUIterationsConfig(name string) PerVUIteationsConfig {
return PerVUIteationsConfig{
BaseConfig: NewBaseConfig(name, perVUIterationsType, false),
VUs: null.NewInt(1, false),
Iterations: null.NewInt(1, false),
MaxDuration: types.NewNullDuration(1*time.Hour, false),
}
}
// Make sure we implement the Config interface
var _ Config = &PerVUIteationsConfig{}
// Validate makes sure all options are configured and valid
func (pvic PerVUIteationsConfig) Validate() []error {
errors := pvic.BaseConfig.Validate()
if pvic.VUs.Int64 <= 0 {
errors = append(errors, fmt.Errorf("the number of VUs should be more than 0"))
}
if pvic.Iterations.Int64 <= 0 {
errors = append(errors, fmt.Errorf("the number of iterations should be more than 0"))
}
if time.Duration(pvic.MaxDuration.Duration) < minDuration {
errors = append(errors, fmt.Errorf(
"the maxDuration should be at least %s, but is %s", minDuration, pvic.MaxDuration,
))
}
return errors
}
// GetMaxVUs returns the absolute maximum number of possible concurrently running VUs
func (pvic PerVUIteationsConfig) GetMaxVUs() int64 {
return pvic.VUs.Int64
}
// GetMaxDuration returns the maximum duration time for this scheduler, including
// the specified iterationTimeout, if the iterations are uninterruptible
func (pvic PerVUIteationsConfig) GetMaxDuration() time.Duration {
maxDuration := pvic.MaxDuration.Duration
if !pvic.Interruptible.Bool {
maxDuration += pvic.IterationTimeout.Duration
}
return time.Duration(maxDuration)
}