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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Data.Common;
using System.Reflection;
using System.Security;
using Xunit;
namespace System.Data.SqlClient.Tests
{
public class SqlConnectionBasicTests
{
[Fact]
public void ConnectionTest()
{
using (TestTdsServer server = TestTdsServer.StartTestServer())
{
using (SqlConnection connection = new SqlConnection(server.ConnectionString))
{
connection.Open();
}
}
}
[ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoServer), nameof(PlatformDetection.IsNotArmProcess))]
[PlatformSpecific(TestPlatforms.Windows)]
public void IntegratedAuthConnectionTest()
{
using (TestTdsServer server = TestTdsServer.StartTestServer())
{
SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder(server.ConnectionString);
builder.IntegratedSecurity = true;
using (SqlConnection connection = new SqlConnection(builder.ConnectionString))
{
connection.Open();
}
}
}
[Fact]
public void SqlConnectionDbProviderFactoryTest()
{
SqlConnection con = new SqlConnection();
PropertyInfo dbProviderFactoryProperty = con.GetType().GetProperty("DbProviderFactory", BindingFlags.NonPublic | BindingFlags.Instance);
Assert.NotNull(dbProviderFactoryProperty);
DbProviderFactory factory = dbProviderFactoryProperty.GetValue(con) as DbProviderFactory;
Assert.NotNull(factory);
Assert.Same(typeof(SqlClientFactory), factory.GetType());
Assert.Same(SqlClientFactory.Instance, factory);
}
[Fact]
public void SqlConnectionValidParameters()
{
var con = new SqlConnection("Timeout=1234;packet Size=5678 ;;; ;");
Assert.Equal(1234, con.ConnectionTimeout);
Assert.Equal(5678, con.PacketSize);
}
[Fact]
public void SqlConnectionEmptyParameters()
{
var con = new SqlConnection("Timeout=;packet Size= ;Integrated Security=;");
//default values are defined in internal class DbConnectionStringDefaults
Assert.Equal(15, con.ConnectionTimeout);
Assert.Equal(8000, con.PacketSize);
Assert.False(new SqlConnectionStringBuilder(con.ConnectionString).IntegratedSecurity);
}
[Fact]
public void SqlConnectionInvalidParameters()
{
Assert.Throws<ArgumentException>(() => new SqlConnection("Timeout=null;"));
Assert.Throws<ArgumentException>(() => new SqlConnection("Timeout= null;"));
Assert.Throws<ArgumentException>(() => new SqlConnection("Timeout=1 1;"));
Assert.Throws<ArgumentException>(() => new SqlConnection("Timeout=1a;"));
Assert.Throws<ArgumentException>(() => new SqlConnection("Integrated Security=truee"));
}
[Fact]
public void ClosedConnectionSchemaRetrieval()
{
using (SqlConnection connection = new SqlConnection(string.Empty))
{
Assert.Throws<InvalidOperationException>(() => connection.GetSchema());
}
}
[Theory]
[InlineData("RandomStringForTargetServer", false, true)]
[InlineData("RandomStringForTargetServer", true, false)]
[InlineData(null, false, false)]
[InlineData("", false, false)]
public void RetrieveWorkstationId(string workstation, bool withDispose, bool shouldMatchSetWorkstationId)
{
string connectionString = $"Workstation Id={workstation}";
SqlConnection conn = new SqlConnection(connectionString);
if(withDispose)
{
conn.Dispose();
}
string expected = shouldMatchSetWorkstationId ? workstation : Environment.MachineName;
Assert.Equal(expected, conn.WorkstationId);
}
[OuterLoop("Can take up to 4 seconds")]
[Fact]
public void ExceptionsWithMinPoolSizeCanBeHandled()
{
string connectionString = $"Data Source={Guid.NewGuid().ToString()};uid=random;pwd=asd;Connect Timeout=2; Min Pool Size=3";
for (int i = 0; i < 2; i++)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
Exception exception = Record.Exception(() => connection.Open());
Assert.True(exception is InvalidOperationException || exception is SqlException, $"Unexpected exception: {exception}");
}
}
}
[Fact]
public void ConnectionTestInvalidCredentialCombination()
{
var cleartextCredsConnStr = "User=test;Password=test;";
var sspiConnStr = "Integrated Security=true;";
var testPassword = new SecureString();
testPassword.MakeReadOnly();
var sqlCredential = new SqlCredential(string.Empty, testPassword);
// Verify that SSPI and cleartext username/password are not in the connection string.
Assert.Throws<ArgumentException>(() => { new SqlConnection(cleartextCredsConnStr, sqlCredential); });
Assert.Throws<ArgumentException>(() => { new SqlConnection(sspiConnStr, sqlCredential); });
// Verify that credential may not be set with cleartext username/password or SSPI.
using (var conn = new SqlConnection(cleartextCredsConnStr))
{
Assert.Throws<InvalidOperationException>(() => { conn.Credential = sqlCredential; });
}
using (var conn = new SqlConnection(sspiConnStr))
{
Assert.Throws<InvalidOperationException>(() => { conn.Credential = sqlCredential; });
}
// Verify that connection string with username/password or SSPI may not be set with credential present.
using (var conn = new SqlConnection(string.Empty, sqlCredential))
{
Assert.Throws<InvalidOperationException>(() => { conn.ConnectionString = cleartextCredsConnStr; });
Assert.Throws<InvalidOperationException>(() => { conn.ConnectionString = sspiConnStr; });
}
}
[Fact]
public void ConnectionTestValidCredentialCombination()
{
var testPassword = new SecureString();
testPassword.MakeReadOnly();
var sqlCredential = new SqlCredential(string.Empty, testPassword);
var conn = new SqlConnection(string.Empty, sqlCredential);
Assert.Equal(sqlCredential, conn.Credential);
}
}
}
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