package module

import (
    "testing"

    "github.com/pkg/errors"

)


func TestCreateCluster(t *testing.T) {

    mData := ClusterMeta{
        ClusterReference: "test_cluster",
    }

    cl := Cluster {
        MetaData:   mData,
    }
    data1 := [][]byte{}


    key := ClusterKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        ClusterReference:   "test_cluster",
    }
    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", cl).Return(nil)
    myMocks.On("DBFind", "test_dcm", key, "test_meta").Return(data1, err1)

    clClient := ClusterClient{"test_dcm", "test_meta", myMocks}
    _, err := clClient.CreateCluster("test_project", "test_asdf", cl)
    if err != nil {
        t.Errorf("Some error occured!")
    }
}

func TestGetCluster(t *testing.T) {
    key := ClusterKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        ClusterReference:   "test_cluster",
    }

    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)
    clClient := ClusterClient{"test_dcm", "test_meta", myMocks}
    _, err := clClient.GetCluster("test_project", "test_asdf", "test_cluster")
    if err != nil {
        t.Errorf("Some error occured!")
    }
}

func TestDeleteCluster(t *testing.T) {

    key := ClusterKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        ClusterReference:   "test_cluster",
    }

    myMocks := new(mockValues)

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

    clClient := ClusterClient{"test_dcm", "test_meta", myMocks}
    err := clClient.DeleteCluster("test_project", "test_asdf", "test_cluster")
    if err != nil {
        t.Errorf("Some error occured!")
    }

}

func TestUpdateCluster(t *testing.T) {
    key := ClusterKey{
        Project:            "test_project",
        LogicalCloudName:   "test_asdf",
        ClusterReference:   "test_cluster",
    }
    mData := ClusterMeta{
        ClusterReference: "test_cluster",
    }
    cl := Cluster{
        MetaData: mData,
    }
    data1 := [][]byte{
        []byte("abc"),
    }
    data2 := []byte("abc")

    myMocks := new(mockValues)

    myMocks.On("DBInsert", "test_dcm", key, nil, "test_meta", cl).Return(nil)
    myMocks.On("DBFind", "test_dcm", key, "test_meta").Return(data1, nil)
    myMocks.On("DBUnmarshal", data2).Return(nil)
    clClient := ClusterClient{"test_dcm", "test_meta", myMocks}
    _, err := clClient.UpdateCluster("test_project", "test_asdf", "test_cluster", cl)
    if err != nil {
        t.Errorf("Some error occured!")
    }
}