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/*
* Copyright 2018 Intel Corporation, 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,
* 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 vnfd
import (
"k8splugin/db"
"reflect"
"strings"
"testing"
"github.com/hashicorp/consul/api"
pkgerrors "github.com/pkg/errors"
)
//Creating an embedded interface via anonymous variable
//This allows us to make mockDB satisfy the DatabaseConnection
//interface even if we are not implementing all the methods in it
type mockDB struct {
db.DatabaseConnection
Items api.KVPairs
Err error
}
func (m *mockDB) CreateEntry(key string, value string) error {
return m.Err
}
func (m *mockDB) ReadEntry(key string) (string, bool, error) {
if m.Err != nil {
return "", false, m.Err
}
for _, kvpair := range m.Items {
if kvpair.Key == key {
return string(kvpair.Value), true, nil
}
}
return "", false, nil
}
func (m *mockDB) DeleteEntry(key string) error {
return m.Err
}
func (m *mockDB) ReadAll(prefix string) ([]string, error) {
if m.Err != nil {
return []string{}, m.Err
}
var res []string
for _, keypair := range m.Items {
res = append(res, keypair.Key)
}
return res, nil
}
func TestCreate(t *testing.T) {
testCases := []struct {
label string
inp VNFDefinition
expectedError string
mockdb *mockDB
expected VNFDefinition
}{
{
label: "Create VNF Definition",
inp: VNFDefinition{
UUID: "123e4567-e89b-12d3-a456-426655440000",
Name: "testvnf",
Description: "testvnf",
ServiceType: "firewall",
},
expected: VNFDefinition{
UUID: "123e4567-e89b-12d3-a456-426655440000",
Name: "testvnf",
Description: "testvnf",
ServiceType: "firewall",
},
expectedError: "",
mockdb: &mockDB{},
},
{
label: "Failed Create VNF Definition",
expectedError: "Error Creating Definition",
mockdb: &mockDB{
Err: pkgerrors.New("Error Creating Definition"),
},
},
}
for _, testCase := range testCases {
t.Run(testCase.label, func(t *testing.T) {
db.DBconn = testCase.mockdb
vimpl := GetVNFDClient()
got, err := vimpl.Create(testCase.inp)
if err != nil {
if testCase.expectedError == "" {
t.Fatalf("Create returned an unexpected error %s", err)
}
if strings.Contains(err.Error(), testCase.expectedError) == false {
t.Fatalf("Create returned an unexpected error %s", err)
}
} else {
if reflect.DeepEqual(testCase.expected, got) == false {
t.Errorf("Create VNF returned unexpected body: got %v;"+
" expected %v", got, testCase.expected)
}
}
})
}
}
func TestList(t *testing.T) {
testCases := []struct {
label string
expectedError string
mockdb *mockDB
expected []VNFDefinition
}{
{
label: "List VNF Definition",
expected: []VNFDefinition{
{
UUID: "123e4567-e89b-12d3-a456-426655440000",
Name: "testvnf",
Description: "testvnf",
ServiceType: "firewall",
},
{
UUID: "123e4567-e89b-12d3-a456-426655441111",
Name: "testvnf2",
Description: "testvnf2",
ServiceType: "dns",
},
},
expectedError: "",
mockdb: &mockDB{
Items: api.KVPairs{
&api.KVPair{
Key: "vnfd/123e4567-e89b-12d3-a456-426655440000",
Value: []byte("{\"name\":\"testvnf\"," +
"\"description\":\"testvnf\"," +
"\"uuid\":\"123e4567-e89b-12d3-a456-426655440000\"," +
"\"service-type\":\"firewall\"}"),
},
&api.KVPair{
Key: "vnfd/123e4567-e89b-12d3-a456-426655441111",
Value: []byte("{\"name\":\"testvnf2\"," +
"\"description\":\"testvnf2\"," +
"\"uuid\":\"123e4567-e89b-12d3-a456-426655441111\"," +
"\"service-type\":\"dns\"}"),
},
},
},
},
{
label: "List Error",
expectedError: "DB Error",
mockdb: &mockDB{
Err: pkgerrors.New("DB Error"),
},
},
}
for _, testCase := range testCases {
t.Run(testCase.label, func(t *testing.T) {
db.DBconn = testCase.mockdb
vimpl := GetVNFDClient()
got, err := vimpl.List()
if err != nil {
if testCase.expectedError == "" {
t.Fatalf("List returned an unexpected error %s", err)
}
if strings.Contains(err.Error(), testCase.expectedError) == false {
t.Fatalf("List returned an unexpected error %s", err)
}
} else {
if reflect.DeepEqual(testCase.expected, got) == false {
t.Errorf("List VNF returned unexpected body: got %v;"+
" expected %v", got, testCase.expected)
}
}
})
}
}
func TestGet(t *testing.T) {
testCases := []struct {
label string
expectedError string
mockdb *mockDB
inp string
expected VNFDefinition
}{
{
label: "Get VNF Definition",
inp: "123e4567-e89b-12d3-a456-426655440000",
expected: VNFDefinition{
UUID: "123e4567-e89b-12d3-a456-426655440000",
Name: "testvnf",
Description: "testvnf",
ServiceType: "firewall",
},
expectedError: "",
mockdb: &mockDB{
Items: api.KVPairs{
&api.KVPair{
Key: "vnfd/123e4567-e89b-12d3-a456-426655440000",
Value: []byte("{\"name\":\"testvnf\"," +
"\"description\":\"testvnf\"," +
"\"uuid\":\"123e4567-e89b-12d3-a456-426655440000\"," +
"\"service-type\":\"firewall\"}"),
},
},
},
},
{
label: "Get Error",
expectedError: "DB Error",
mockdb: &mockDB{
Err: pkgerrors.New("DB Error"),
},
},
}
for _, testCase := range testCases {
t.Run(testCase.label, func(t *testing.T) {
db.DBconn = testCase.mockdb
vimpl := GetVNFDClient()
got, err := vimpl.Get(testCase.inp)
if err != nil {
if testCase.expectedError == "" {
t.Fatalf("Get returned an unexpected error %s", err)
}
if strings.Contains(err.Error(), testCase.expectedError) == false {
t.Fatalf("Get returned an unexpected error %s", err)
}
} else {
if reflect.DeepEqual(testCase.expected, got) == false {
t.Errorf("Get VNF returned unexpected body: got %v;"+
" expected %v", got, testCase.expected)
}
}
})
}
}
func TestDelete(t *testing.T) {
testCases := []struct {
label string
inp string
expectedError string
mockdb *mockDB
expected []VNFDefinition
}{
{
label: "Delete VNF Definition",
inp: "123e4567-e89b-12d3-a456-426655440000",
mockdb: &mockDB{},
},
{
label: "Delete Error",
expectedError: "DB Error",
mockdb: &mockDB{
Err: pkgerrors.New("DB Error"),
},
},
}
for _, testCase := range testCases {
t.Run(testCase.label, func(t *testing.T) {
db.DBconn = testCase.mockdb
vimpl := GetVNFDClient()
err := vimpl.Delete(testCase.inp)
if err != nil {
if testCase.expectedError == "" {
t.Fatalf("Delete returned an unexpected error %s", err)
}
if strings.Contains(err.Error(), testCase.expectedError) == false {
t.Fatalf("Delete returned an unexpected error %s", err)
}
}
})
}
}
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