forked from ligato/vpp-agent
-
Notifications
You must be signed in to change notification settings - Fork 0
/
namespace_mock.go
191 lines (172 loc) · 6.05 KB
/
namespace_mock.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
package linuxmock
/*
// NamespacePluginMock allows to mock namespace plugin methods to manage namespaces and microservices
type NamespacePluginMock struct {
responses []*WhenNsResp
respCurr int
respMax int
}
// NewNamespacePluginMock creates new instance of the mock and initializes response list
func NewNamespacePluginMock() *NamespacePluginMock {
return &NamespacePluginMock{
responses: make([]*WhenNsResp, 0),
}
}
// WhenNsResp is helper struct with single method call and desired response items
type WhenNsResp struct {
methodName string
items []interface{}
}
// When defines name of the related method. It creates a new instance of WhenNsResp with provided method name and
// stores it to the mock.
func (mock *NamespacePluginMock) When(methodName string) *WhenNsResp {
resp := &WhenNsResp{
methodName: methodName,
}
mock.responses = append(mock.responses, resp)
return resp
}
// ThenReturn receives array of items, which are desired to be returned in mocked method defined in "When". The full
// logic is:
// - When('someMethod').ThenReturn('values')
//
// Provided values should match return types of method. If method returns multiple values and only one is provided,
// mock tries to parse the value and returns it, while others will be nil or empty.
//
// If method is called several times, all cases must be defined separately, even if the return value is the same:
// - When('method1').ThenReturn('val1')
// - When('method1').ThenReturn('val1')
//
// All mocked methods are evaluated in same order they were assigned.
func (when *WhenNsResp) ThenReturn(item ...interface{}) {
when.items = item
}
// Auxiliary method returns next return value for provided method as generic type
func (mock *NamespacePluginMock) getReturnValues(name string) (response []interface{}) {
for i, resp := range mock.responses {
if resp.methodName == name {
// Remove used response but retain order
mock.responses = append(mock.responses[:i], mock.responses[i+1:]...)
return resp.items
}
}
// Return empty response
return
}
// Mocked netlink handler methods //todo define other
// GetOrCreateNamespace implements NsManagement.
func (mock *NamespacePluginMock) GetOrCreateNamespace(ns *nsplugin.Namespace) (netns.NsHandle, error) {
items := mock.getReturnValues("GetOrCreateNamespace")
if len(items) == 1 {
switch typed := items[0].(type) {
case netns.NsHandle:
return typed, nil
case error:
return 0, typed
}
} else if len(items) == 2 {
return items[0].(netns.NsHandle), items[1].(error)
}
return 0, nil
}
// IsNamespaceAvailable implements NsManagement.
func (mock *NamespacePluginMock) IsNamespaceAvailable(ns *interfaces.LinuxInterfaces_Interface_Namespace) bool {
items := mock.getReturnValues("IsNamespaceAvailable")
return items[0].(bool)
}
// SwitchNamespace implements NsManagement.
func (mock *NamespacePluginMock) SwitchNamespace(ns *nsplugin.Namespace, ctx *nsplugin.NamespaceMgmtCtx) (func(), error) {
items := mock.getReturnValues("SwitchNamespace")
if len(items) == 1 {
switch typed := items[0].(type) {
case func():
return typed, nil
case error:
return func() {}, typed
}
} else if len(items) == 2 {
return items[0].(func()), items[1].(error)
}
return func() {}, nil
}
// SwitchToNamespace implements NsManagement.
func (mock *NamespacePluginMock) SwitchToNamespace(nsMgmtCtx *nsplugin.NamespaceMgmtCtx, ns *interfaces.LinuxInterfaces_Interface_Namespace) (func(), error) {
items := mock.getReturnValues("SwitchToNamespace")
if len(items) == 1 {
switch typed := items[0].(type) {
case func():
return typed, nil
case error:
return func() {}, typed
}
} else if len(items) == 2 {
return items[0].(func()), items[1].(error)
}
return func() {}, nil
}
// GetConfigNamespace implements NsManagement.
func (mock *NamespacePluginMock) GetConfigNamespace() *interfaces.LinuxInterfaces_Interface_Namespace {
items := mock.getReturnValues("GetConfigNamespace")
if len(items) >= 1 {
return items[0].(*interfaces.LinuxInterfaces_Interface_Namespace)
}
return nil
}
// ConvertMicroserviceNsToPidNs implements NsManagement
func (mock *NamespacePluginMock) ConvertMicroserviceNsToPidNs(msLabel string) (pidNs *nsplugin.Namespace) {
items := mock.getReturnValues("ConvertMicroserviceNsToPidNs")
if len(items) >= 1 {
return items[0].(*nsplugin.Namespace)
}
return nil
}
// IfaceNsToString implements NsConvertor.
func (mock *NamespacePluginMock) IfaceNsToString(namespace *interfaces.LinuxInterfaces_Interface_Namespace) string {
items := mock.getReturnValues("IfaceNsToString")
if len(items) >= 1 {
return items[0].(string)
}
return ""
}
// IfNsToGeneric implements NsConvertor.
func (mock *NamespacePluginMock) IfNsToGeneric(ns *interfaces.LinuxInterfaces_Interface_Namespace) *nsplugin.Namespace {
items := mock.getReturnValues("IfNsToGeneric")
if len(items) >= 1 {
return items[0].(*nsplugin.Namespace)
}
return nil
}
// ArpNsToGeneric implements NsConvertor.
func (mock *NamespacePluginMock) ArpNsToGeneric(ns *l3.LinuxStaticArpEntries_ArpEntry_Namespace) *nsplugin.Namespace {
items := mock.getReturnValues("ArpNsToGeneric")
if len(items) >= 1 {
return items[0].(*nsplugin.Namespace)
}
return nil
}
// GenericToArpNs implements NsConvertor.
func (mock *NamespacePluginMock) GenericToArpNs(ns *nsplugin.Namespace) (*l3.LinuxStaticArpEntries_ArpEntry_Namespace, error) {
items := mock.getReturnValues("GenericToArpNs")
if len(items) == 1 {
switch typed := items[0].(type) {
case *l3.LinuxStaticArpEntries_ArpEntry_Namespace:
return typed, nil
case error:
return nil, typed
}
} else if len(items) == 2 {
return items[0].(*l3.LinuxStaticArpEntries_ArpEntry_Namespace), items[1].(error)
}
return nil, nil
}
// RouteNsToGeneric implements NsConvertor.
func (mock *NamespacePluginMock) RouteNsToGeneric(ns *l3.LinuxStaticRoutes_Route_Namespace) *nsplugin.Namespace {
items := mock.getReturnValues("RouteNsToGeneric")
if len(items) >= 1 {
return items[0].(*nsplugin.Namespace)
}
return nil
}
// HandleMicroservices implements Microservices.
func (mock *NamespacePluginMock) HandleMicroservices(ctx *nsplugin.MicroserviceCtx) {}
*/