github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/common/stateful_set_utils_test.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package common
    21  
    22  import (
    23  	"testing"
    24  
    25  	apps "k8s.io/api/apps/v1"
    26  
    27  	intctrlutil "github.com/1aal/kubeblocks/pkg/controllerutil"
    28  	testk8s "github.com/1aal/kubeblocks/pkg/testutil/k8s"
    29  )
    30  
    31  func TestGetParentNameAndOrdinal(t *testing.T) {
    32  	set := testk8s.NewFakeStatefulSet("foo", 3)
    33  	pod := testk8s.NewFakeStatefulSetPod(set, 1)
    34  	if parent, ordinal := intctrlutil.GetParentNameAndOrdinal(pod); parent != set.Name {
    35  		t.Errorf("Extracted the wrong parent name expected %s found %s", set.Name, parent)
    36  	} else if ordinal != 1 {
    37  		t.Errorf("Extracted the wrong ordinal expected %d found %d", 1, ordinal)
    38  	}
    39  	pod.Name = "1-bar"
    40  	if parent, ordinal := intctrlutil.GetParentNameAndOrdinal(pod); parent != "" {
    41  		t.Error("Expected empty string for non-member Pod parent")
    42  	} else if ordinal != -1 {
    43  		t.Error("Expected -1 for non member Pod ordinal")
    44  	}
    45  }
    46  
    47  func TestIsMemberOf(t *testing.T) {
    48  	set := testk8s.NewFakeStatefulSet("foo", 3)
    49  	set2 := testk8s.NewFakeStatefulSet("bar", 3)
    50  	set2.Name = "foo2"
    51  	pod := testk8s.NewFakeStatefulSetPod(set, 1)
    52  	if !IsMemberOf(set, pod) {
    53  		t.Error("isMemberOf returned false negative")
    54  	}
    55  	if IsMemberOf(set2, pod) {
    56  		t.Error("isMemberOf returned false positive")
    57  	}
    58  }
    59  
    60  func TestStatefulSetPodsAreReady(t *testing.T) {
    61  	sts := testk8s.NewFakeStatefulSet("test", 3)
    62  	testk8s.MockStatefulSetReady(sts)
    63  	ready := statefulSetPodsAreReady(sts, *sts.Spec.Replicas)
    64  	if !ready {
    65  		t.Errorf("StatefulSet pods should be ready")
    66  	}
    67  	convertSts := convertToStatefulSet(sts)
    68  	if convertSts == nil {
    69  		t.Errorf("Convert to statefulSet should be succeed")
    70  	}
    71  	convertSts = convertToStatefulSet(&apps.Deployment{})
    72  	if convertSts != nil {
    73  		t.Errorf("Convert to statefulSet should be failed")
    74  	}
    75  	convertSts = convertToStatefulSet(nil)
    76  	if convertSts != nil {
    77  		t.Errorf("Convert to statefulSet should be failed")
    78  	}
    79  }
    80  
    81  func TestSStatefulSetOfComponentIsReady(t *testing.T) {
    82  	sts := testk8s.NewFakeStatefulSet("test", 3)
    83  	testk8s.MockStatefulSetReady(sts)
    84  	ready := statefulSetOfComponentIsReady(sts, true, nil)
    85  	if !ready {
    86  		t.Errorf("StatefulSet should be ready")
    87  	}
    88  	ready = statefulSetOfComponentIsReady(sts, false, nil)
    89  	if ready {
    90  		t.Errorf("StatefulSet should not be ready")
    91  	}
    92  }