/*

* Copyright 2018 The CovenantSQL 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 storage

import (

"testing"

)

func TestDSN(t *testing.T) {

testStrings := []string{

"",

"file:test.db",

"file::memory:?cache=shared&mode=memory",

"file:test.db?p1=v1&p2=v2&p1=v3",

}

for _, s := range testStrings {

dsn, err := NewDSN(s)

if err != nil {

t.Errorf("error occurred: %v", err)

continue

}

t.Logf("Test format: string = %s, formatted = %s", s, dsn.Format())

dsn.SetFileName("file:/dev/null")

t.Logf("Test set file name: formatted = %s", dsn.Format())

dsn.AddParam("key", "value")

t.Logf("Test set add param: formatted = %s", dsn.Format())

dsn.AddParam("key", "")

t.Logf("Test delete param by set empty to add param: formatted = %s", dsn.Format())

if _, ok := dsn.GetParam("key"); ok {

t.Errorf("Should not have deleted key")

}

}

invalidString1 := "file:test.db?p1"

dsn, err := NewDSN(invalidString1)

if err == nil {

t.Errorf("Should occurred unrecognized parameter error: %v", dsn)

}

dsn = &DSN{}

dsn.AddParam("clone", "true")

clone := dsn.Clone()

if _, ok := clone.GetParam("clone"); !ok {

t.Errorf("Should cloned params")

}

}