DropTableStatementTests.cs

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// 
//  Copyright 2010-2014 Deveel
// 
//    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.
using System;

using Deveel.Data;
using Deveel.Data.Sql.Tables;
using Deveel.Data.Types;

using NUnit.Framework;

namespace Deveel.Data.Sql.Statements {
    [TestFixture]
    public sealed class DropTableStatementTests : ContextBasedTest {
        protected override IQuery CreateQuery(ISession session) {
            var query = base.CreateQuery(session);
            CreateTestTables(query);
            return query;
        }

        private void CreateTestTables(IQuery context) {
            var tn1 = ObjectName.Parse("APP.test_table1");
            var tableInfo1 = new TableInfo(tn1);
            tableInfo1.AddColumn(new ColumnInfo("id", PrimitiveTypes.Integer()));
            tableInfo1.AddColumn(new ColumnInfo("name", PrimitiveTypes.String()));
            tableInfo1.AddColumn(new ColumnInfo("date", PrimitiveTypes.DateTime()));
            context.CreateTable(tableInfo1);
            context.AddPrimaryKey(tn1, "id");

            var tn2 = ObjectName.Parse("APP.test_table2");
            var tableInfo2 = new TableInfo(tn2);
            tableInfo2.AddColumn(new ColumnInfo("id", PrimitiveTypes.Integer()));
            tableInfo2.AddColumn(new ColumnInfo("other_id", PrimitiveTypes.Integer()));
            tableInfo2.AddColumn(new ColumnInfo("count", PrimitiveTypes.Integer()));
            context.CreateTable(tableInfo2);
            context.AddPrimaryKey(tn2, "id");
            context.AddForeignKey(tn2, new[] { "other_id" }, tn1, new[] { "id" }, ForeignKeyAction.Cascade, ForeignKeyAction.Cascade, null);
        }

        [Test]
        public void DropNonReferencedTable() {
            const string sql = "DROP TABLE test_table2";

            Assert.DoesNotThrow(() => Query.ExecuteQuery(sql));
        }

        [Test]
        public void DropReferencedTable() {
            const string sql = "DROP TABLE APP.test_table1";

            Assert.Throws<StatementException>(() => Query.ExecuteQuery(sql));
        }

        [Test]
        public void DropAllTables() {
            const string sql = "DROP TABLE IF EXISTS APP.test_table1, test_table2";

            Assert.DoesNotThrow(() => Query.ExecuteQuery(sql));
        }
    }
}