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// +build unit
/*
Copyright 2018 Intel Corporation.
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 db
import (
"encoding/json"
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 {
Store
Items map[string]map[string][]byte
Err error
}
func (m *MockDB) Create(table, key, tag string, data interface{}) error {
return m.Err
}
// MockDB uses simple JSON and not BSON
func (m *MockDB) Unmarshal(inp []byte, out interface{}) error {
err := json.Unmarshal(inp, out)
if err != nil {
return pkgerrors.Wrap(err, "Unmarshaling json")
}
return nil
}
func (m *MockDB) Read(table, key, tag string) ([]byte, error) {
if m.Err != nil {
return nil, m.Err
}
for k, v := range m.Items {
if k == key {
return v[tag], nil
}
}
return nil, m.Err
}
func (m *MockDB) Delete(table, key, tag string) error {
return m.Err
}
func (m *MockDB) ReadAll(table, tag string) (map[string][]byte, error) {
if m.Err != nil {
return nil, m.Err
}
ret := make(map[string][]byte)
for k, v := range m.Items {
for k1, v1 := range v {
if k1 == tag {
ret[k] = v1
}
}
}
return ret, nil
}
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