open-nomad/client/pluginmanager/group_test.go

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package pluginmanager
import (
"sync"
"testing"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/stretchr/testify/require"
)
func TestPluginGroup_RegisterAndRun(t *testing.T) {
t.Parallel()
require := require.New(t)
var hasRun bool
var wg sync.WaitGroup
wg.Add(1)
mananger := &MockPluginManager{RunF: func() {
hasRun = true
wg.Done()
}}
group := New(testlog.HCLogger(t))
require.NoError(group.RegisterAndRun(mananger))
wg.Wait()
require.True(hasRun)
}
func TestPluginGroup_Shutdown(t *testing.T) {
t.Parallel()
require := require.New(t)
var stack []int
var stackMu sync.Mutex
var runWg sync.WaitGroup
var shutdownWg sync.WaitGroup
group := New(testlog.HCLogger(t))
for i := 1; i < 4; i++ {
i := i
runWg.Add(1)
shutdownWg.Add(1)
mananger := &MockPluginManager{RunF: func() {
stackMu.Lock()
defer stackMu.Unlock()
defer runWg.Done()
stack = append(stack, i)
}, ShutdownF: func() {
stackMu.Lock()
defer stackMu.Unlock()
defer shutdownWg.Done()
idx := len(stack) - 1
val := stack[idx]
require.Equal(i, val)
stack = stack[:idx]
}}
require.NoError(group.RegisterAndRun(mananger))
runWg.Wait()
}
group.Shutdown()
shutdownWg.Wait()
require.Empty(stack)
require.Error(group.RegisterAndRun(&MockPluginManager{}))
}