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specsFilter.go
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/*----------------------------------------------------------------
* Copyright (c) ThoughtWorks, Inc.
* Licensed under the Apache License, Version 2.0
* See LICENSE in the project root for license information.
*----------------------------------------------------------------*/
package filter
import (
"strings"
"github.com/getgauge/gauge/gauge"
"github.com/getgauge/gauge/logger"
)
type specsFilter interface {
filter([]*gauge.Specification) []*gauge.Specification
}
type tagsFilter struct {
tagExp string
}
type tagFilterForParallelRun struct {
tagExp string
}
type specsGroupFilter struct {
group int
execStreams int
}
type scenariosFilter struct {
scenarios []string
}
func (tf *tagFilterForParallelRun) filter(specs []*gauge.Specification) ([]*gauge.Specification, []*gauge.Specification) {
return filterByTags(tf.tagExp, specs)
}
func (tagsFilter *tagsFilter) filter(specs []*gauge.Specification) []*gauge.Specification {
specs, _ = filterByTags(tagsFilter.tagExp, specs)
return specs
}
func filterByTags(tagExpression string, specs []*gauge.Specification) ([]*gauge.Specification, []*gauge.Specification) {
if tagExpression != "" {
logger.Debugf(true, "Applying tags filter: %s", tagExpression)
validateTagExpression(tagExpression)
return filterSpecsByTags(specs, tagExpression)
}
return specs, specs
}
func (groupFilter *specsGroupFilter) filter(specs []*gauge.Specification) []*gauge.Specification {
if groupFilter.group == -1 {
return specs
}
logger.Infof(true, "Using the -g flag will make the distribution strategy 'eager'. The --strategy setting will be overridden.")
if groupFilter.group < 1 || groupFilter.group > groupFilter.execStreams {
return make([]*gauge.Specification, 0)
}
logger.Debugf(true, "Applying group filter: %d", groupFilter.group)
group := DistributeSpecs(specs, groupFilter.execStreams)[groupFilter.group-1]
if group == nil {
return make([]*gauge.Specification, 0)
}
return group.Specs()
}
func (scenarioFilter *scenariosFilter) filter(specs []*gauge.Specification) []*gauge.Specification {
if len(scenarioFilter.scenarios) != 0 {
logger.Debugf(true, "Applying scenarios filter: %s", strings.Join(scenarioFilter.scenarios, ", "))
specs = filterSpecsByScenarioName(specs, scenarioFilter.scenarios)
}
return specs
}
func DistributeSpecs(specifications []*gauge.Specification, distributions int) []*gauge.SpecCollection {
s := make([]*gauge.SpecCollection, distributions)
for i := 0; i < len(specifications); i++ {
mod := i % distributions
if s[mod] == nil {
s[mod] = gauge.NewSpecCollection(make([]*gauge.Specification, 0), false)
}
s[mod].Add(specifications[i])
}
return s
}