package module

import (
    "testing"

    "github.com/pkg/errors"

)


func TestCreateKVPair(t *testing.T) {

    mData := KVMetaDataList{
        KeyValueName: "test_kv_pair",
    }

    kv := KeyValue {
        MetaData:   mData,
    }
    data1 := [][]byte{}


    key := KeyValueKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        KeyValueName:       "test_kv_pair",
    }
    myMocks := new(mockValues)
    // just to get an error value
    err1 := errors.New("math: square root of negative number")

    myMocks.On("CheckProject", "test_project").Return(nil)
    myMocks.On("CheckLogicalCloud", "test_project", "test_asdf").Return(nil)
    myMocks.On("DBInsert", "test_dcm", key, nil, "test_meta", kv).Return(nil)
    myMocks.On("DBFind", "test_dcm", key, "test_meta").Return(data1, err1)

    kvClient := KeyValueClient{"test_dcm", "test_meta", myMocks}
    _, err := kvClient.CreateKVPair("test_project", "test_asdf", kv)
    if err != nil {
        t.Errorf("Some error occured!")
    }
}

func TestGetKVPair(t *testing.T) {
    key := KeyValueKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        KeyValueName:       "test_kv_pair",
    }

    data1 := [][]byte{
        []byte("abc"),
    }

    data2 := []byte("abc")

    myMocks := new(mockValues)

    myMocks.On("DBFind", "test_dcm", key, "test_meta").Return(data1, nil)
    myMocks.On("DBUnmarshal", data2).Return(nil)
    kvClient := KeyValueClient{"test_dcm", "test_meta", myMocks}
    _, err := kvClient.GetKVPair("test_project", "test_asdf", "test_kv_pair")
    if err != nil {
        t.Errorf("Some error occured!")
    }
}

func TestDeleteKVPair(t *testing.T) {

    key := KeyValueKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        KeyValueName:       "test_kv_pair",
    }

    myMocks := new(mockValues)

    myMocks.On("DBRemove", "test_dcm", key).Return(nil)

    kvClient := KeyValueClient{"test_dcm", "test_meta", myMocks}
    err := kvClient.DeleteKVPair("test_project", "test_asdf", "test_kv_pair")
    if err != nil {
        t.Errorf("Some error occured!")
    }

}

func TestUpdateKVPair(t *testing.T) {
    key := KeyValueKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        KeyValueName:       "test_kv_pair",
    }
    mData := KVMetaDataList{
        KeyValueName:       "test_kv_pair",
    }
    kv := KeyValue{
        MetaData: mData,
    }
    data1 := [][]byte{
        []byte("abc"),
    }
    data2 := []byte("abc")

    myMocks := new(mockValues)

    myMocks.On("DBInsert", "test_dcm", key, nil, "test_meta", kv).Return(nil)
    myMocks.On("DBFind", "test_dcm", key, "test_meta").Return(data1, nil)
    myMocks.On("DBUnmarshal", data2).Return(nil)
    kvClient := KeyValueClient{"test_dcm", "test_meta", myMocks}
    _, err := kvClient.UpdateKVPair("test_project", "test_asdf", "test_kv_pair", kv)
    if err != nil {
        t.Errorf("Some error occured!")
    }
}