public void Test_Sp_Reset_Connection()
{
string app = "Test " + Guid.NewGuid();
SqlConnectionStringBuilder b = new SqlConnectionStringBuilder(TestEnvironment.DbConnectionString);
b.ApplicationName = app;
// important
b.Pooling = true;
using (SqlTraceReader reader = new SqlTraceReader())
{
reader.Start(TestEnvironment.MasterConnectionString, TestEnvironment.TracePath, TraceColumns.All, TraceRowFilter.CreateByApplication(app));
int nQueries = 42;
for (int i = 0; i < nQueries; i++)
{
using (SqlConnection con = new SqlConnection(b.ConnectionString))
{
con.Open();
using (SqlCommand cmd = new SqlCommand("Select @@version", con))
{
cmd.ExecuteNonQuery();
}
}
}
// Details
var details = reader.ReadDetailsReport();
Console.WriteLine("Trace summary is " + details.Summary);
Assert.AreEqual(details.Count, nQueries);
}
}
public void Test_Sandbox()
{
using (SqlTraceReader reader = new SqlTraceReader())
{
var filterByProcess = TraceRowFilter.CreateByClientProcess(Process.GetCurrentProcess().Id);
var filterLikeSqlTrace = TraceRowFilter.CreateLikeApplication("SqlTrace");
reader.Start(TestEnvironment.MasterConnectionString, TestEnvironment.TracePath, TraceColumns.All, filterByProcess, filterLikeSqlTrace);
using (SqlConnection con = new SqlConnection(TestEnvironment.DbConnectionString))
{
con.Open();
using (SqlCommand cmd = new SqlCommand(SqlBatch, con))
{
cmd.ExecuteNonQuery();
}
for (int i = 1; i < 10; i++)
{
using (SqlCommand cmd = new SqlCommand($"Insert {Table1Name}(id) Values(@i)", con))
{
cmd.Parameters.Add("@i", i);
cmd.ExecuteNonQuery();
}
}
using (SqlCommand cmd = new SqlCommand($"Select * From {Table1Name}", con))
{
cmd.ExecuteNonQuery();
}
using (SqlCommand cmd = new SqlCommand("sp_server_info", con))
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.ExecuteNonQuery();
}
}
reader.Stop();
var rptGroups = reader.ReadGroupsReport <string>(TraceColumns.ClientHost);
var bySql = reader.ReadGroupsReport <string>(TraceColumns.Sql);
var rptSummary = reader.ReadSummaryReport();
var rpt = reader.ReadDetailsReport();
Console.WriteLine("Statements: " + rpt.Count);
DumpCounters(rpt);
Console.WriteLine("");
Console.WriteLine("My Process: " + Process.GetCurrentProcess().Id);
Console.WriteLine("Summary: " + rptSummary);
Console.WriteLine("Details Summary " + rpt.Summary);
}
}
public void Test_Empty_Session()
{
using (SqlTraceReader reader = new SqlTraceReader())
{
reader.Start(TestEnvironment.MasterConnectionString, TestEnvironment.TracePath, TraceColumns.All);
// summary
SqlCounters summary = reader.ReadSummaryReport();
Assert.Zero(summary.Requests);
Console.WriteLine("Summary of empty session is " + summary);
// details. Summary query above should not be present in details report below.
var details = reader.ReadDetailsReport();
CollectionAssert.IsEmpty(details, "Details Collection");
Assert.Zero(details.Summary.Requests);
CollectionAssert.IsEmpty(details.GroupByApplication(), "Groups by application");
reader.Stop();
reader.Dispose();
}
}
public void Single_StoredProcedure_Is_Captured()
{
string sql = @"SELECT @@version, @parameter;";
using (SqlTraceReader reader = new SqlTraceReader())
{
reader.Start(TestEnvironment.MasterConnectionString, TestEnvironment.TracePath, TraceColumns.All);
using (SqlConnection con = new SqlConnection(TestEnvironment.DbConnectionString))
{
con.Open();
using (SqlCommand cmd = new SqlCommand(sql, con))
{
cmd.Parameters.Add("@parameter", SqlDbType.Int).Value = 0;
cmd.ExecuteNonQuery();
}
}
var summary = reader.ReadSummaryReport();
var groups = reader.ReadGroupsReport <int>(TraceColumns.ClientProcess);
var details = reader.ReadDetailsReport();
DumpCounters(details);
int idProcess = Process.GetCurrentProcess().Id;
Console.WriteLine("Trace summary is " + details.Summary);
bool isCaught = details.Any(x =>
x.SpName == "sp_executesql" &&
x.Sql.IndexOf(sql) >= 0 &&
x.ClientProcess == idProcess);
if (!isCaught)
{
Assert.Fail("Expected sql proc '{0}' call by process {1}", "sp_executesql", idProcess);
}
}
}
public void RowCounts_Of_Insert(string masterConnectionString)
{
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
if (con.Manage().IsAzure)
{
Console.WriteLine("Tracing for Azure is not yet implemented");
return;
}
}
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
Console.WriteLine($"Version of [{masterConnectionString}]: {con.Manage().ShortServerVersion}");
}
var table = $"#T_{Guid.NewGuid().ToString("N")}";
string[] sqlCommands = new[]
{
$"Create Table {table}(id int);",
$"Insert {table} Values(42); Insert {table} Values(43); Insert {table} Values(44); Insert {table} Values(45);",
};
TraceTetsEnv env = new TraceTetsEnv(masterConnectionString);
using (env)
{
using (SqlTraceReader reader = new SqlTraceReader())
{
Console.WriteLine($@"
Master Connection: {env.MasterConnectionString}
TraceDir: {env.TraceDirectory}
TableName: {env.TableName}");
reader.Start(env.MasterConnectionString, env.TraceDirectory,
TraceColumns.Sql | TraceColumns.ClientProcess,
TraceRowFilter.CreateByClientProcess(Process.GetCurrentProcess().Id));
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
con.Open();
foreach (var sql in sqlCommands)
{
using (SqlCommand cmd = new SqlCommand(sql, con))
{
cmd.ExecuteNonQuery();
}
}
}
Console.WriteLine($"Trace File: {reader.TraceFile}");
reader.Stop();
var detailsReport = reader.ReadDetailsReport();
DumpCounters(detailsReport);
Assert.Greater(detailsReport.Count, 0, "At least one sql command should be caught");
var rowCountsOfLastStatements = detailsReport.Last().Counters.RowCounts;
Assert.AreEqual(4, rowCountsOfLastStatements, "Insert 4x should result RowCounts==4");
}
}
}
public void Error_Is_Captured(string masterConnectionString)
{
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
if (con.Manage().IsAzure)
{
Console.WriteLine("Tracing for Azure is not yet implemented");
return;
}
}
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
Console.WriteLine($"Version of [{masterConnectionString}]: {con.Manage().ShortServerVersion}");
}
TraceTetsEnv env = new TraceTetsEnv(masterConnectionString);
using (env)
{
string sql = "Select 42 / 0;";
sql = sql + sql + sql;
using (SqlTraceReader reader = new SqlTraceReader())
{
Console.WriteLine($@"
Master Connection: {env.MasterConnectionString}
TraceDir: {env.TraceDirectory}
TableName: {env.TableName}");
reader.Start(env.MasterConnectionString, env.TraceDirectory,
TraceColumns.Sql | TraceColumns.ClientProcess, TraceRowFilter.CreateByClientProcess(Process.GetCurrentProcess().Id));
Exception caught = null;
try
{
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
con.Open();
using (SqlCommand cmd = new SqlCommand(sql, con))
{
cmd.ExecuteNonQuery();
}
}
}
catch (Exception ex)
{
// Console.WriteLine("Divide by zero IS REQUIRED: " + ex);
caught = ex;
}
reader.Stop();
var detailsReport = reader.ReadDetailsReport();
DumpCounters(detailsReport);
Assert.AreEqual(1, detailsReport.Count, "Exactly one statement is expected");
Assert.Greater(detailsReport.Count, 0, "At least one sql command should be caught");
foreach (SqlStatementCounters report in detailsReport)
{
if (report.SqlErrorCode != 8134)
{
Assert.Fail("SQL ERROR 8134 expected. Caught Exception is " + caught);
}
}
}
}
}
public void Single_SqlBatch_Is_Captured(string masterConnectionString)
{
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
if (con.Manage().IsAzure)
{
Console.WriteLine("Tracing for Azure is not yet implemented");
return;
}
}
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
Console.WriteLine($"Version of [{masterConnectionString}]: {con.Manage().ShortServerVersion}");
}
TraceTetsEnv env = new TraceTetsEnv(masterConnectionString);
using (env)
{
string sql = "Set NOCOUNT ON; SELECT @@version, 'Hello, World!'; Exec sp_server_info;";
sql = sql + sql + sql;
using (SqlTraceReader reader = new SqlTraceReader())
{
Console.WriteLine($@"
Master Connection: {env.MasterConnectionString}
TraceDir: {env.TraceDirectory}
TableName: {env.TableName}");
reader.Start(env.MasterConnectionString, env.TraceDirectory,
TraceColumns.Sql | TraceColumns.ClientProcess);
using (SqlConnection con = new SqlConnection(masterConnectionString))
{
con.Open();
using (SqlCommand cmd = new SqlCommand(sql, con))
{
cmd.ExecuteNonQuery();
}
}
reader.Stop();
var detailsReport = reader.ReadDetailsReport();
DumpCounters(detailsReport);
Assert.Greater(detailsReport.Count, 0, "At least one sql command should be caught");
int idProcess = Process.GetCurrentProcess().Id;
foreach (SqlStatementCounters report in detailsReport)
{
if (report.SqlErrorCode.HasValue)
{
Assert.Fail("All the statement are successful, but '{0}' produces error {1}", report.Sql,
report.SqlErrorCode);
}
if (report.Sql == sql && report.ClientProcess == idProcess)
{
return;
}
}
Assert.Fail("Expected sql statement {0} by process {1}", sql, idProcess);
}
}
}
