zfs-localpv/pkg/common/kubernetes/client/client_test.go
Pawan 9f5cf445df feat(zfs-localpv): initial commit
provisioning and deprovisioning of
the volumes on the node where zfs pool
has already been setup. Pool name and the volume
parameters has to be given in storage class
which will be used to provision the volume.

Signed-off-by: Pawan <pawan@mayadata.io>
2019-09-18 08:44:08 +05:30

310 lines
12 KiB
Go

/*
Copyright 2019 The OpenEBS Authors
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 v1alpha1
import (
"testing"
"github.com/pkg/errors"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
)
func fakeGetClientsetOk(c *rest.Config) (*kubernetes.Clientset, error) {
return &kubernetes.Clientset{}, nil
}
func fakeGetClientsetErr(c *rest.Config) (*kubernetes.Clientset, error) {
return nil, errors.New("fake error")
}
func fakeInClusterConfigOk() (*rest.Config, error) {
return &rest.Config{}, nil
}
func fakeInClusterConfigErr() (*rest.Config, error) {
return nil, errors.New("fake error")
}
func fakeBuildConfigFromFlagsOk(kubemaster string, kubeconfig string) (*rest.Config, error) {
return &rest.Config{}, nil
}
func fakeBuildConfigFromFlagsErr(kubemaster string, kubeconfig string) (*rest.Config, error) {
return nil, errors.New("fake error")
}
func fakeGetKubeConfigPathOk(e string) string {
return "fake"
}
func fakeGetKubeConfigPathNil(e string) string {
return ""
}
func fakeGetKubeMasterIPOk(e string) string {
return "fake"
}
func fakeGetKubeMasterIPNil(e string) string {
return ""
}
func fakeGetDynamicClientSetOk(c *rest.Config) (dynamic.Interface, error) {
return dynamic.NewForConfig(c)
}
func fakeGetDynamicClientSetNil(c *rest.Config) (dynamic.Interface, error) {
return nil, nil
}
func fakeGetDynamicClientSetErr(c *rest.Config) (dynamic.Interface, error) {
return nil, errors.New("fake error")
}
func TestNewInCluster(t *testing.T) {
c := New(InCluster())
if !c.IsInCluster {
t.Fatalf("test failed: expected IsInCluster as 'true' actual '%t'", c.IsInCluster)
}
}
func TestConfig(t *testing.T) {
tests := map[string]struct {
isInCluster bool
kubeConfigPath string
getInClusterConfig getInClusterConfigFunc
getKubeMasterIP getKubeMasterIPFunc
getKubeConfigPath getKubeConfigPathFunc
getConfigFromENV buildConfigFromFlagsFunc
isErr bool
}{
"t1": {true, "", fakeInClusterConfigOk, nil, nil, nil, false},
"t2": {true, "", fakeInClusterConfigErr, nil, nil, nil, true},
"t3": {false, "", fakeInClusterConfigErr, fakeGetKubeMasterIPNil, fakeGetKubeConfigPathNil, nil, true},
"t4": {false, "", fakeInClusterConfigOk, fakeGetKubeMasterIPNil, fakeGetKubeConfigPathNil, nil, false},
"t5": {false, "fakeKubeConfigPath", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathNil, fakeBuildConfigFromFlagsOk, false},
"t6": {false, "", nil, fakeGetKubeMasterIPNil, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, false},
"t7": {false, "", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, false},
"t8": {false, "fakeKubeConfigPath", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsErr, true},
"t9": {false, "fakeKubeConfigpath", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, false},
}
for name, mock := range tests {
name, mock := name, mock // pin It
t.Run(name, func(t *testing.T) {
c := &Client{
IsInCluster: mock.isInCluster,
KubeConfigPath: mock.kubeConfigPath,
getInClusterConfig: mock.getInClusterConfig,
getKubeMasterIP: mock.getKubeMasterIP,
getKubeConfigPath: mock.getKubeConfigPath,
buildConfigFromFlags: mock.getConfigFromENV,
}
_, err := c.Config()
if mock.isErr && err == nil {
t.Fatalf("test '%s' failed: expected no error actual '%s'", name, err)
}
})
}
}
func TestGetConfigFromENV(t *testing.T) {
tests := map[string]struct {
getKubeMasterIP getKubeMasterIPFunc
getKubeConfigPath getKubeConfigPathFunc
getConfigFromENV buildConfigFromFlagsFunc
isErr bool
}{
"t1": {fakeGetKubeMasterIPNil, fakeGetKubeConfigPathNil, nil, true},
"t2": {fakeGetKubeMasterIPNil, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, false},
"t3": {fakeGetKubeMasterIPOk, fakeGetKubeConfigPathNil, fakeBuildConfigFromFlagsOk, false},
"t4": {fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, false},
"t5": {fakeGetKubeMasterIPNil, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsErr, true},
"t6": {fakeGetKubeMasterIPOk, fakeGetKubeConfigPathNil, fakeBuildConfigFromFlagsErr, true},
"t7": {fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsErr, true},
}
for name, mock := range tests {
name, mock := name, mock // pin It
t.Run(name, func(t *testing.T) {
c := &Client{
getKubeMasterIP: mock.getKubeMasterIP,
getKubeConfigPath: mock.getKubeConfigPath,
buildConfigFromFlags: mock.getConfigFromENV,
}
_, err := c.getConfigFromENV()
if mock.isErr && err == nil {
t.Fatalf("test '%s' failed: expected error actual no error", name)
}
if !mock.isErr && err != nil {
t.Fatalf("test '%s' failed: expected no error actual '%s'", name, err)
}
})
}
}
func TestGetConfigFromPathOrDirect(t *testing.T) {
tests := map[string]struct {
kubeConfigPath string
getConfigFromFlags buildConfigFromFlagsFunc
getInClusterConfig getInClusterConfigFunc
isErr bool
}{
"T1": {"", fakeBuildConfigFromFlagsErr, fakeInClusterConfigOk, false},
"T2": {"fake-path", fakeBuildConfigFromFlagsOk, fakeInClusterConfigErr, false},
"T3": {"fake-path", fakeBuildConfigFromFlagsErr, fakeInClusterConfigOk, true},
"T4": {"", fakeBuildConfigFromFlagsOk, fakeInClusterConfigErr, true},
"T5": {"fake-path", fakeBuildConfigFromFlagsErr, fakeInClusterConfigErr, true},
}
for name, mock := range tests {
name, mock := name, mock // pin It
t.Run(name, func(t *testing.T) {
c := &Client{
KubeConfigPath: mock.kubeConfigPath,
buildConfigFromFlags: mock.getConfigFromFlags,
getInClusterConfig: mock.getInClusterConfig,
getKubeMasterIP: fakeGetKubeMasterIPNil,
getKubeConfigPath: fakeGetKubeConfigPathNil,
}
_, err := c.GetConfigForPathOrDirect()
if mock.isErr && err == nil {
t.Fatalf("test '%s' failed: expected error actual no error", name)
}
if !mock.isErr && err != nil {
t.Fatalf("test '%s' failed: expected no error actual '%s'", name, err)
}
})
}
}
func TestClientset(t *testing.T) {
tests := map[string]struct {
isInCluster bool
kubeConfigPath string
getInClusterConfig getInClusterConfigFunc
getKubeMasterIP getKubeMasterIPFunc
getKubeConfigPath getKubeConfigPathFunc
getConfigFromENV buildConfigFromFlagsFunc
getKubernetesClientset getKubernetesClientsetFunc
isErr bool
}{
"t10": {true, "", fakeInClusterConfigOk, nil, nil, nil, fakeGetClientsetOk, false},
"t11": {true, "", fakeInClusterConfigOk, nil, nil, nil, fakeGetClientsetErr, true},
"t12": {true, "", fakeInClusterConfigErr, nil, nil, nil, fakeGetClientsetOk, true},
"t21": {false, "", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathNil, fakeBuildConfigFromFlagsOk, fakeGetClientsetOk, false},
"t22": {false, "", nil, fakeGetKubeMasterIPNil, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, fakeGetClientsetOk, false},
"t23": {false, "", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, fakeGetClientsetOk, false},
"t24": {false, "fake-path", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsErr, fakeGetClientsetOk, true},
"t25": {false, "", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, fakeGetClientsetErr, true},
"t26": {false, "fakePath", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsErr, fakeGetClientsetOk, true},
"t30": {false, "", fakeInClusterConfigOk, fakeGetKubeMasterIPNil, fakeGetKubeConfigPathNil, nil, fakeGetClientsetOk, false},
"t31": {false, "", fakeInClusterConfigOk, fakeGetKubeMasterIPNil, fakeGetKubeConfigPathNil, nil, fakeGetClientsetErr, true},
"t32": {false, "", fakeInClusterConfigErr, fakeGetKubeMasterIPNil, fakeGetKubeConfigPathNil, nil, nil, true},
"t33": {false, "fakePath", nil, fakeGetKubeMasterIPOk, fakeGetKubeConfigPathOk, fakeBuildConfigFromFlagsOk, fakeGetClientsetOk, false},
}
for name, mock := range tests {
name, mock := name, mock // pin It
t.Run(name, func(t *testing.T) {
c := &Client{
IsInCluster: mock.isInCluster,
KubeConfigPath: mock.kubeConfigPath,
getInClusterConfig: mock.getInClusterConfig,
getKubeMasterIP: mock.getKubeMasterIP,
getKubeConfigPath: mock.getKubeConfigPath,
buildConfigFromFlags: mock.getConfigFromENV,
getKubernetesClientset: mock.getKubernetesClientset,
}
_, err := c.Clientset()
if mock.isErr && err == nil {
t.Fatalf("test '%s' failed: expected error actual no error", name)
}
if !mock.isErr && err != nil {
t.Fatalf("test '%s' failed: expected no error actual '%s'", name, err)
}
})
}
}
func TestDynamic(t *testing.T) {
tests := map[string]struct {
getKubeMasterIP getKubeMasterIPFunc
getInClusterConfig getInClusterConfigFunc
getKubernetesDynamicClientSet getKubernetesDynamicClientFunc
kubeConfigPath string
getConfigFromENV buildConfigFromFlagsFunc
getKubeConfigPath getKubeConfigPathFunc
isErr bool
}{
"t1": {fakeGetKubeMasterIPNil, fakeInClusterConfigErr, fakeGetDynamicClientSetOk, "fake-path", fakeBuildConfigFromFlagsOk, fakeGetKubeConfigPathNil, false},
"t2": {fakeGetKubeMasterIPNil, fakeInClusterConfigErr, fakeGetDynamicClientSetErr, "fake-path", fakeBuildConfigFromFlagsOk, fakeGetKubeConfigPathOk, true},
"t3": {fakeGetKubeMasterIPNil, fakeInClusterConfigErr, fakeGetDynamicClientSetOk, "fake-path", fakeBuildConfigFromFlagsErr, fakeGetKubeConfigPathOk, true},
"t4": {fakeGetKubeMasterIPOk, fakeInClusterConfigOk, fakeGetDynamicClientSetOk, "", fakeBuildConfigFromFlagsOk, fakeGetKubeConfigPathOk, false},
"t5": {fakeGetKubeMasterIPOk, fakeInClusterConfigErr, fakeGetDynamicClientSetErr, "", fakeBuildConfigFromFlagsOk, fakeGetKubeConfigPathOk, true},
"t6": {fakeGetKubeMasterIPNil, fakeInClusterConfigOk, fakeGetDynamicClientSetErr, "", fakeBuildConfigFromFlagsErr, fakeGetKubeConfigPathNil, true},
"t7": {fakeGetKubeMasterIPNil, fakeInClusterConfigErr, fakeGetDynamicClientSetOk, "", fakeBuildConfigFromFlagsErr, fakeGetKubeConfigPathNil, true},
"t8": {fakeGetKubeMasterIPNil, fakeInClusterConfigErr, fakeGetDynamicClientSetErr, "", fakeBuildConfigFromFlagsErr, fakeGetKubeConfigPathNil, true},
}
for name, mock := range tests {
name, mock := name, mock // pin It
t.Run(name, func(t *testing.T) {
c := &Client{
getKubeMasterIP: mock.getKubeMasterIP,
KubeConfigPath: mock.kubeConfigPath,
getInClusterConfig: mock.getInClusterConfig,
buildConfigFromFlags: mock.getConfigFromENV,
getKubeConfigPath: mock.getKubeConfigPath,
getKubernetesDynamicClient: mock.getKubernetesDynamicClientSet,
}
_, err := c.Dynamic()
if mock.isErr && err == nil {
t.Fatalf("test '%s' failed: expected error actual no error", name)
}
if !mock.isErr && err != nil {
t.Fatalf("test '%s' failed: expected no error but got '%v'", name, err)
}
})
}
}
func TestConfigForPath(t *testing.T) {
tests := map[string]struct {
kubeConfigPath string
getConfigFromPath buildConfigFromFlagsFunc
isErr bool
}{
"T1": {"", fakeBuildConfigFromFlagsErr, true},
"T2": {"fake-path", fakeBuildConfigFromFlagsOk, false},
}
for name, mock := range tests {
name, mock := name, mock // pin It
t.Run(name, func(t *testing.T) {
c := &Client{
KubeConfigPath: mock.kubeConfigPath,
buildConfigFromFlags: mock.getConfigFromPath,
}
_, err := c.ConfigForPath(mock.kubeConfigPath)
if mock.isErr && err == nil {
t.Fatalf("test '%s' failed: expected error actual no error", name)
}
if !mock.isErr && err != nil {
t.Fatalf("test '%s' failed: expected no error but got '%v'", name, err)
}
})
}
}