public async Task SingleOrDefaultIsDefaultQueryTestAsync()
{
var queryDispatcher =
new QueryDispatcher(
new QueryExecutor(
new CommandPreparer(),
new ConnectionFactory(ConnectionString.Default)));
var setupQueries = new String[]
{
"DROP TABLE IF EXISTS single_or_default_is_default_query_test;",
"CREATE TABLE single_or_default_is_default_query_test (id INT NOT NULL, value TEXT NOT NULL);",
"INSERT INTO single_or_default_is_default_query_test VALUES (1, 'This');",
"INSERT INTO single_or_default_is_default_query_test VALUES (2, 'is');",
"INSERT INTO single_or_default_is_default_query_test VALUES (3, 'a');",
"INSERT INTO single_or_default_is_default_query_test VALUES (4, 'test');"
};
foreach (var setupQuery in setupQueries)
{
await queryDispatcher.ExecuteAsync(new Query(setupQuery));
}
var listQuery = @"
SELECT id, value
FROM single_or_default_is_default_query_test;" ;
var item = await queryDispatcher.SingleOrDefaultAsync(new Query(listQuery), row =>
{
return(new
{
id = row.ReadInt32("id"),
value = row.ReadString("value")
});
});
Assert.Null(item);
}
