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destroy_test.go
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destroy_test.go
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// Copyright 2016 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"sync"
"testing"
)
func doDestroyUnits(r commandTestResults, errchan chan error) {
exit := runDestroyUnits(r.units)
if exit != r.expectedExit {
errchan <- fmt.Errorf("%s: expected exit code %d but received %d", r.description, r.expectedExit, exit)
return
}
for _, destroyedUnit := range r.units {
u, _ := cAPI.Unit(destroyedUnit)
if u != nil {
errchan <- fmt.Errorf("%s: unit %s was not destroyed as requested", r.description, destroyedUnit)
}
}
}
// TestRunDestroyUnits checks for correct unit destruction
func TestRunDestroyUnits(t *testing.T) {
unitPrefix := "j"
results := []commandTestResults{
{
"destroy available units",
[]string{"j1", "j2", "j3", "j4", "j5"},
0,
},
{
"destroy non-available units",
[]string{"y1", "y2"},
0,
},
{
"attempt to destroy available and non-available units",
[]string{"y1", "y2", "y3", "y4", "j1", "j2", "j3", "j4", "j5", "y0"},
0,
},
{
"destroy null input",
[]string{},
0,
},
}
// Check with two goroutines we don't care we should just get
// the right result. If you happen to inspect this code for
// errors then you probably got hit by a race condition in
// Destroy command that should not happen
for _, r := range results {
var wg sync.WaitGroup
errchan := make(chan error)
cAPI = newFakeRegistryForCommands(unitPrefix, len(r.units), false)
wg.Add(2)
go func() {
defer wg.Done()
doDestroyUnits(r, errchan)
}()
go func() {
defer wg.Done()
doDestroyUnits(r, errchan)
}()
go func() {
wg.Wait()
close(errchan)
}()
for err := range errchan {
t.Errorf("%v", err)
}
}
}