public async Task AnalyseTables_GivenTablesWithNoRelationshipCycle_ProducesNoMessages()
        {
            var rule     = new ForeignKeyRelationshipCycleRule(RuleLevel.Error);
            var database = GetSqliteDatabase();

            var tables = new[]
            {
                await database.GetTable("no_cycle_table_1").UnwrapSomeAsync().ConfigureAwait(false),
                await database.GetTable("no_cycle_table_2").UnwrapSomeAsync().ConfigureAwait(false)
            };

            var hasMessages = await rule.AnalyseTables(tables).AnyAsync().ConfigureAwait(false);

            Assert.That(hasMessages, Is.False);
        }
        public static void AnalyseTables_GivenNullTables_ThrowsArgumentNullException()
        {
            var rule = new ForeignKeyRelationshipCycleRule(RuleLevel.Error);

            Assert.That(() => rule.AnalyseTables(null), Throws.ArgumentNullException);
        }