public async Task ExecuteScalarAsync_works_on_closed_or_opened_connection()
{
using( var cmd = new SqlCommand( "select count(*) from sys.objects" ) )
using( var ctx = new SqlStandardCallContext() )
{
ISqlConnectionController c = ctx[TestHelper.GetConnectionString()];
c.Connection.State.Should().Be( ConnectionState.Closed );
using( c.ExplicitOpen() )
{
c.Connection.State.Should().Be( ConnectionState.Open );
((int)c.ExecuteScalar( cmd )).Should().BeGreaterThan( 0 );
}
c.Connection.State.Should().Be( ConnectionState.Closed );
((int)await c.ExecuteScalarAsync( cmd )).Should().BeGreaterThan( 0 );
c.Connection.State.Should().Be( ConnectionState.Closed );
cmd.CommandText = "select count(*) from sys.objects where name='no-object-here'";
using( await c.ExplicitOpenAsync() )
{
c.Connection.State.Should().Be( ConnectionState.Open );
((int)await c.ExecuteScalarAsync( cmd )).Should().Be( 0 );
}
c.Connection.State.Should().Be( ConnectionState.Closed );
((int)await c.ExecuteScalarAsync( cmd )).Should().Be( 0 );
c.Connection.State.Should().Be( ConnectionState.Closed );
cmd.CommandText = "select name from sys.tables where name='no-object-here'";
using( await c.ExplicitOpenAsync() )
{
(await c.ExecuteScalarAsync( cmd )).Should().BeNull();
}
c.Connection.State.Should().Be( ConnectionState.Closed );
}
}
public static int ExecuteNonQuery(this ISqlConnectionController @this, SqlCommand cmd)
{
var ctx = @this.SqlCallContext;
using (@this.ExplicitOpen())
{
return(ctx.Executor.ExecuteQuery(ctx.Monitor, @this.Connection, @this.Transaction, cmd, c => c.ExecuteNonQuery()));
}
}
public static T ExecuteQuery <T>(this ISqlConnectionController @this, SqlCommand cmd, Func <SqlCommand, T> innerExecutor)
{
var ctx = @this.SqlCallContext;
using (@this.ExplicitOpen())
{
return(ctx.Executor.ExecuteQuery(ctx.Monitor, @this.Connection, @this.Transaction, cmd, innerExecutor));
}
}
public void ExplicitOpen_and_Dispose_are_order_independent()
{
using (var ctx = new SqlStandardCallContext(TestHelper.Monitor))
{
ISqlConnectionController c = ctx[TestHelper.GetConnectionString()];
c.Connection.State.Should().Be(ConnectionState.Closed);
var d1 = c.ExplicitOpen();
c.Connection.State.Should().Be(ConnectionState.Open);
var d2 = c.ExplicitOpen();
var d3 = c.ExplicitOpen();
d1.Should().NotBeNull();
d2.Should().NotBeNull();
d3.Should().NotBeNull();
c.Connection.State.Should().Be(ConnectionState.Open);
d1.Dispose();
d1.Dispose();
d2.Dispose();
c.Connection.State.Should().Be(ConnectionState.Open);
d3.Dispose();
c.Connection.State.Should().Be(ConnectionState.Closed);
}
}
static async Task Do200Prints(ThreadSafeTraceCounter t)
{
var m = new ActivityMonitor(false);
m.Output.RegisterClient(t);
using (var ctx = new SqlStandardCallContext(m))
{
ISqlConnectionController c = ctx[TestHelper.GetConnectionString()];
c.ExplicitOpen();
var cmd = c.Connection.CreateCommand();
cmd.CommandText = "print 'Here I am: a print.';";
for (int i = 0; i < 200; ++i)
{
await cmd.ExecuteNonQueryAsync();
Thread.Sleep(5);
}
}
}
public void InfoMessage_are_monitored_when_SqlHelper_LogSqlServerInfoMessage_is_set_to_true()
{
SqlHelper.LogSqlServerInfoMessage = true;
IReadOnlyList <ActivityMonitorSimpleCollector.Entry> entries = null;
var m = new ActivityMonitor(false);
// The messages are Traced but the monitor level is temporarily set to LogFilter.Trace:
// Even if the monitor should not catch them, info messages traces will be emitted.
m.MinimalFilter = LogFilter.Release;
using (m.CollectEntries(logs => entries = logs, LogLevelFilter.Debug))
using (m.Output.CreateBridgeTo(TestHelper.Monitor.Output.BridgeTarget))
using (var ctx = new SqlStandardCallContext(m))
{
ISqlConnectionController c = ctx[TestHelper.GetConnectionString()];
c.ExplicitOpen();
var cmd = c.Connection.CreateCommand();
cmd.CommandText = "print 'Here I am: a print.';";
cmd.ExecuteNonQuery();
}
entries.Any(e => e.Text.Contains("Here I am: a print.")).Should().BeTrue();
SqlHelper.LogSqlServerInfoMessage = false;
}
public void Direct_open_close_of_the_connection_is_possible()
{
void DoSomething(SqlConnection con)
{
bool wasClosed = con.State == ConnectionState.Closed;
if (wasClosed)
{
con.Open();
}
var cmd = con.CreateCommand();
cmd.CommandText = "select 1;";
cmd.ExecuteScalar().Should().Be(1);
if (wasClosed)
{
con.Close();
}
}
using (var ctx = new SqlStandardCallContext(TestHelper.Monitor))
{
ISqlConnectionController c = ctx[TestHelper.GetConnectionString()];
// Closed.
DoSomething(c.Connection);
c.Connection.State.Should().Be(ConnectionState.Closed);
using (c.ExplicitOpen())
{
c.Connection.State.Should().Be(ConnectionState.Open);
DoSomething(c.Connection);
c.Connection.State.Should().Be(ConnectionState.Open);
}
c.Connection.State.Should().Be(ConnectionState.Closed);
}
}
public static void PreOpen(this ISqlConnectionController ctx)
{
ctx.ExplicitOpen();
}
