public void Dispose_ReleasesExclusiveApplicationLock()
{
UseConnection(sql =>
{
var distributedLock = new SqlServerDistributedLock("hello", _timeout, sql);
distributedLock.Dispose();
var lockMode = sql.Query<string>(
"select applock_mode('public', 'hello', 'session')").Single();
Assert.Equal("NoLock", lockMode);
});
}
public void Ctor_AcquiresExclusiveApplicationLock_OnSession()
{
UseConnection(sql =>
{
// ReSharper disable once UnusedVariable
var distributedLock = new SqlServerDistributedLock("hello", _timeout, sql);
var lockMode = sql.Query<string>(
"select applock_mode('public', 'hello', 'session')").Single();
Assert.Equal("Exclusive", lockMode);
});
}
public void Dispose_ReleasesExclusiveApplicationLock()
{
UseConnection(sql =>
{
var distributedLock = new SqlServerDistributedLock("hello", _timeout, sql);
distributedLock.Dispose();
var lockMode = sql.Query <string>(
"select applock_mode('public', 'hello', 'session')").Single();
Assert.Equal("NoLock", lockMode);
});
}
public void Ctor_AcquiresExclusiveApplicationLock_OnSession()
{
UseConnection(sql =>
{
// ReSharper disable once UnusedVariable
var distributedLock = new SqlServerDistributedLock("hello", _timeout, sql);
var lockMode = sql.Query <string>(
"select applock_mode('public', 'hello', 'session')").Single();
Assert.Equal("Exclusive", lockMode);
});
}
public void Dispose_ReleasesExclusiveApplicationLock(bool useMicrosoftDataSqlClient)
{
UseConnection(sql =>
{
var storage = CreateStorage(sql);
var distributedLock = new SqlServerDistributedLock(storage, "hello", _timeout);
distributedLock.Dispose();
var lockMode = sql.Query <string>(
"select applock_mode('public', 'hello', 'session')").Single();
Assert.Equal("NoLock", lockMode);
}, useMicrosoftDataSqlClient);
}
public void InnerDistributedLock_DoesNotConsumeADatabaseConnection()
{
// Arrange
var storage = new SqlServerStorage(ConnectionUtils.GetConnectionString());
// Act
using (var outer = new SqlServerDistributedLock(storage, "hello", TimeSpan.FromMinutes(5)))
using (var inner = new SqlServerDistributedLock(storage, "hello", TimeSpan.FromMinutes(5)))
{
// Assert
var field = typeof(SqlServerDistributedLock).GetField("_connection",
BindingFlags.Instance | BindingFlags.NonPublic);
Assert.NotNull(field);
Assert.NotNull(field.GetValue(outer));
Assert.Null(field.GetValue(inner));
}
}
public void InnerDistributedLock_DoesNotConsumeADatabaseConnection()
{
// Arrange
var storage = new SqlServerStorage(ConnectionUtils.GetConnectionString());
// Act
using (var outer = new SqlServerDistributedLock(storage, "hello", TimeSpan.FromMinutes(5)))
using (var inner = new SqlServerDistributedLock(storage, "hello", TimeSpan.FromMinutes(5)))
{
// Assert
var field = typeof(SqlServerDistributedLock).GetField("_connection",
BindingFlags.Instance | BindingFlags.NonPublic);
Assert.NotNull(field);
Assert.NotNull(field.GetValue(outer));
Assert.Null(field.GetValue(inner));
}
}
