github.com/dolthub/go-mysql-server@v0.18.0/sql/mysql_db/role_edge_test.go (about)

     1  // Copyright 2022 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package mysql_db
    16  
    17  import (
    18  	"encoding/json"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/require"
    22  
    23  	"github.com/dolthub/go-mysql-server/sql"
    24  )
    25  
    26  // This test enforces not only that RoleEdge round trips, but that the output is as expected.
    27  func TestRoleEdgeJson(t *testing.T) {
    28  	ctx := sql.NewEmptyContext()
    29  	testRoleEdge := &RoleEdge{
    30  		FromHost:        "localhost",
    31  		FromUser:        "some_role",
    32  		ToHost:          "127.0.0.1",
    33  		ToUser:          "some_user",
    34  		WithAdminOption: true,
    35  	}
    36  	jsonStr, err := testRoleEdge.ToJson(ctx)
    37  	require.NoError(t, err)
    38  	require.Equal(t, `{"FromHost":"localhost","FromUser":"some_role","ToHost":"127.0.0.1","ToUser":"some_user","WithAdminOption":true}`, jsonStr)
    39  	newRoleEdge, err := (&RoleEdge{}).FromJson(ctx, jsonStr)
    40  	require.NoError(t, err)
    41  	require.True(t, RoleEdgeEquals(testRoleEdge, newRoleEdge))
    42  
    43  	testSlice := []*RoleEdge{testRoleEdge}
    44  	jsonData, err := json.Marshal(testSlice)
    45  	require.NoError(t, err)
    46  	var newSlice []*RoleEdge
    47  	err = json.Unmarshal(jsonData, &newSlice)
    48  	require.NoError(t, err)
    49  	require.Len(t, newSlice, len(testSlice))
    50  	for i := range testSlice {
    51  		require.True(t, RoleEdgeEquals(testSlice[i], newSlice[i]))
    52  	}
    53  }