94 lines
1.9 KiB
Go
94 lines
1.9 KiB
Go
package ae
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import (
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"errors"
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"fmt"
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"reflect"
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"testing"
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)
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func TestAE_scaleFactor(t *testing.T) {
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t.Parallel()
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tests := []struct {
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nodes int
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scale int
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}{
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{100, 1},
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{200, 2},
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{1000, 4},
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{10000, 8},
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}
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for _, tt := range tests {
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t.Run(fmt.Sprintf("%d nodes", tt.nodes), func(t *testing.T) {
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if got, want := scaleFactor(tt.nodes), tt.scale; got != want {
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t.Fatalf("got scale factor %d want %d", got, want)
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}
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})
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}
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}
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func TestAE_Pause_nestedPauseResume(t *testing.T) {
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t.Parallel()
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l := NewStateSyncer(nil, 0, nil, nil)
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if l.Paused() != false {
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t.Fatal("syncer should be unPaused after init")
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}
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l.Pause()
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if l.Paused() != true {
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t.Fatal("syncer should be Paused after first call to Pause()")
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}
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l.Pause()
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if l.Paused() != true {
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t.Fatal("syncer should STILL be Paused after second call to Pause()")
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}
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l.Resume()
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if l.Paused() != true {
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t.Fatal("syncer should STILL be Paused after FIRST call to Resume()")
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}
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l.Resume()
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if l.Paused() != false {
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t.Fatal("syncer should NOT be Paused after SECOND call to Resume()")
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}
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defer func() {
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err := recover()
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if err == nil {
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t.Fatal("unbalanced Resume() should cause a panic()")
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}
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}()
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l.Resume()
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}
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func TestAE_Pause_ResumeTriggersSyncChanges(t *testing.T) {
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l := NewStateSyncer(nil, 0, nil, nil)
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l.Pause()
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l.Resume()
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select {
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case <-l.SyncChanges.Notif():
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// expected
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case <-l.SyncFull.Notif():
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t.Fatal("resume triggered SyncFull instead of SyncChanges")
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default:
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t.Fatal("resume did not trigger SyncFull")
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}
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}
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func TestAE_Pause_ifNotPausedRun(t *testing.T) {
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l := NewStateSyncer(nil, 0, nil, nil)
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errCalled := errors.New("f called")
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f := func() error { return errCalled }
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l.Pause()
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err := l.ifNotPausedRun(f)
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if got, want := err, errPaused; !reflect.DeepEqual(got, want) {
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t.Fatalf("got error %q want %q", got, want)
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}
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l.Resume()
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err = l.ifNotPausedRun(f)
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if got, want := err, errCalled; got != want {
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t.Fatalf("got error %q want %q", got, want)
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}
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}
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