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refine tidb_cluster_control codes (#215)
* ennhance code readability
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| // Copyright 2018 PingCAP, 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package v1alpha1 | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| . "github.com/onsi/gomega" | ||
| apps "k8s.io/api/apps/v1beta1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ) | ||
|
|
||
| func TestPDIsAvailable(t *testing.T) { | ||
| g := NewGomegaWithT(t) | ||
|
|
||
| type testcase struct { | ||
| name string | ||
| update func(*TidbCluster) | ||
| expectFn func(*GomegaWithT, bool) | ||
| } | ||
| testFn := func(test *testcase, t *testing.T) { | ||
| t.Log(test.name) | ||
|
|
||
| tc := newTidbCluster() | ||
| test.update(tc) | ||
| test.expectFn(g, tc.PDIsAvailable()) | ||
| } | ||
| tests := []testcase{ | ||
| { | ||
| name: "pd members count is 1", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.PD.Members = map[string]PDMember{ | ||
| "pd-0": {Name: "pd-0", Health: true}, | ||
| } | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeFalse()) | ||
| }, | ||
| }, | ||
| { | ||
| name: "pd members count is 2, but health count is 1", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.PD.Members = map[string]PDMember{ | ||
| "pd-0": {Name: "pd-0", Health: true}, | ||
| "pd-1": {Name: "pd-1", Health: false}, | ||
| } | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeFalse()) | ||
| }, | ||
| }, | ||
| { | ||
| name: "pd members count is 3, health count is 3, but ready replicas is 1", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.PD.Members = map[string]PDMember{ | ||
| "pd-0": {Name: "pd-0", Health: true}, | ||
| "pd-1": {Name: "pd-1", Health: true}, | ||
| "pd-2": {Name: "pd-2", Health: true}, | ||
| } | ||
| tc.Status.PD.StatefulSet = &apps.StatefulSetStatus{ReadyReplicas: 1} | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeFalse()) | ||
| }, | ||
| }, | ||
| { | ||
| name: "pd is available", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.PD.Members = map[string]PDMember{ | ||
| "pd-0": {Name: "pd-0", Health: true}, | ||
| "pd-1": {Name: "pd-1", Health: true}, | ||
| "pd-2": {Name: "pd-2", Health: true}, | ||
| } | ||
| tc.Status.PD.StatefulSet = &apps.StatefulSetStatus{ReadyReplicas: 3} | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeTrue()) | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| for i := range tests { | ||
| testFn(&tests[i], t) | ||
| } | ||
| } | ||
|
|
||
| func TestTiKVIsAvailable(t *testing.T) { | ||
| g := NewGomegaWithT(t) | ||
|
|
||
| type testcase struct { | ||
| name string | ||
| update func(*TidbCluster) | ||
| expectFn func(*GomegaWithT, bool) | ||
| } | ||
| testFn := func(test *testcase, t *testing.T) { | ||
| t.Log(test.name) | ||
|
|
||
| tc := newTidbCluster() | ||
| test.update(tc) | ||
| test.expectFn(g, tc.TiKVIsAvailable()) | ||
| } | ||
| tests := []testcase{ | ||
| { | ||
| name: "tikv stores count is 0", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.TiKV.Stores = map[string]TiKVStore{} | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeFalse()) | ||
| }, | ||
| }, | ||
| { | ||
| name: "tikv stores count is 1, but available count is 0", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.TiKV.Stores = map[string]TiKVStore{ | ||
| "tikv-0": {PodName: "tikv-0", State: TiKVStateDown}, | ||
| } | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeFalse()) | ||
| }, | ||
| }, | ||
| { | ||
| name: "tikv stores count is 1, available count is 1, ready replicas is 0", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.TiKV.Stores = map[string]TiKVStore{ | ||
| "tikv-0": {PodName: "tikv-0", State: TiKVStateUp}, | ||
| } | ||
| tc.Status.TiKV.StatefulSet = &apps.StatefulSetStatus{ReadyReplicas: 0} | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeFalse()) | ||
| }, | ||
| }, | ||
| { | ||
| name: "tikv is available", | ||
| update: func(tc *TidbCluster) { | ||
| tc.Status.TiKV.Stores = map[string]TiKVStore{ | ||
| "tikv-0": {PodName: "tikv-0", State: TiKVStateUp}, | ||
| } | ||
| tc.Status.TiKV.StatefulSet = &apps.StatefulSetStatus{ReadyReplicas: 1} | ||
| }, | ||
| expectFn: func(g *GomegaWithT, b bool) { | ||
| g.Expect(b).To(BeTrue()) | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| for i := range tests { | ||
| testFn(&tests[i], t) | ||
| } | ||
| } | ||
|
|
||
| func newTidbCluster() *TidbCluster { | ||
| return &TidbCluster{ | ||
| TypeMeta: metav1.TypeMeta{ | ||
| Kind: "TidbCluster", | ||
| APIVersion: "pingcap.com/v1alpha1", | ||
| }, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test-pd", | ||
| Namespace: corev1.NamespaceDefault, | ||
| UID: types.UID("test"), | ||
| }, | ||
| Spec: TidbClusterSpec{ | ||
| PD: PDSpec{ | ||
| Replicas: 3, | ||
| }, | ||
| TiKV: TiKVSpec{ | ||
| Replicas: 3, | ||
| }, | ||
| TiDB: TiDBSpec{ | ||
| Replicas: 1, | ||
| }, | ||
| }, | ||
| } | ||
| } |
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