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Avoid leaking event subscriptions when an exception is thrown during …
…initialization of ShellStream. Handle error situations when initializing ShellStream.
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120 changes: 120 additions & 0 deletions
120
...i.SshNet.Tests/Classes/ServiceFactoryTest_CreateShellStream_ChannelOpenThrowsException.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
| using Moq; | ||
| using Renci.SshNet.Channels; | ||
| using Renci.SshNet.Common; | ||
|
|
||
| namespace Renci.SshNet.Tests.Classes | ||
| { | ||
| [TestClass] | ||
| public class ServiceFactoryTest_CreateShellStream_ChannelOpenThrowsException | ||
| { | ||
| private Mock<ISession> _sessionMock; | ||
| private Mock<IConnectionInfo> _connectionInfoMock; | ||
| private Mock<IChannelSession> _channelSessionMock; | ||
| private ServiceFactory _serviceFactory; | ||
| private string _terminalName; | ||
| private uint _columns; | ||
| private uint _rows; | ||
| private uint _width; | ||
| private uint _height; | ||
| private IDictionary<TerminalModes, uint> _terminalModeValues; | ||
| private int _bufferSize; | ||
| private SshException _channelOpenException; | ||
| private SshException _actualException; | ||
|
|
||
| private void SetupData() | ||
| { | ||
| var random = new Random(); | ||
|
|
||
| _terminalName = random.Next().ToString(); | ||
| _columns = (uint) random.Next(); | ||
| _rows = (uint) random.Next(); | ||
| _width = (uint) random.Next(); | ||
| _height = (uint) random.Next(); | ||
| _terminalModeValues = new Dictionary<TerminalModes, uint>(); | ||
| _bufferSize = random.Next(); | ||
| _channelOpenException = new SshException(); | ||
|
|
||
| _actualException = null; | ||
| } | ||
|
|
||
| private void CreateMocks() | ||
| { | ||
| _sessionMock = new Mock<ISession>(MockBehavior.Strict); | ||
| _connectionInfoMock = new Mock<IConnectionInfo>(MockBehavior.Strict); | ||
| _channelSessionMock = new Mock<IChannelSession>(MockBehavior.Strict); | ||
| } | ||
|
|
||
| private void SetupMocks() | ||
| { | ||
| var sequence = new MockSequence(); | ||
|
|
||
| _sessionMock.InSequence(sequence) | ||
| .Setup(p => p.ConnectionInfo) | ||
| .Returns(_connectionInfoMock.Object); | ||
| _connectionInfoMock.InSequence(sequence) | ||
| .Setup(p => p.Encoding) | ||
| .Returns(new UTF8Encoding()); | ||
| _sessionMock.InSequence(sequence) | ||
| .Setup(p => p.CreateChannelSession()) | ||
| .Returns(_channelSessionMock.Object); | ||
| _channelSessionMock.InSequence(sequence) | ||
| .Setup(p => p.Open()) | ||
| .Throws(_channelOpenException); | ||
| _channelSessionMock.InSequence(sequence) | ||
| .Setup(p => p.Dispose()); | ||
| } | ||
|
|
||
| private void Arrange() | ||
| { | ||
| SetupData(); | ||
| CreateMocks(); | ||
| SetupMocks(); | ||
|
|
||
| _serviceFactory = new ServiceFactory(); | ||
| } | ||
|
|
||
| [TestInitialize] | ||
| public void Initialize() | ||
| { | ||
| Arrange(); | ||
| Act(); | ||
| } | ||
|
|
||
| private void Act() | ||
| { | ||
| try | ||
| { | ||
| _serviceFactory.CreateShellStream(_sessionMock.Object, | ||
| _terminalName, | ||
| _columns, | ||
| _rows, | ||
| _width, | ||
| _height, | ||
| _terminalModeValues, | ||
| _bufferSize); | ||
| Assert.Fail(); | ||
| } | ||
| catch (SshException ex) | ||
| { | ||
| _actualException = ex; | ||
| } | ||
| } | ||
|
|
||
| [TestMethod] | ||
| public void CreateShellStreamShouldRethrowExceptionThrownByOpenOnChannelSession() | ||
| { | ||
| Assert.IsNotNull(_actualException); | ||
| Assert.AreSame(_channelOpenException, _actualException); | ||
| } | ||
|
|
||
| [TestMethod] | ||
| public void DisposeOnChannelSessionShouldHaveBeenInvokedOnce() | ||
| { | ||
| _channelSessionMock.Verify(p => p.Dispose(), Times.Once); | ||
| } | ||
| } | ||
| } |
120 changes: 120 additions & 0 deletions
120
...sts/Classes/ServiceFactoryTest_CreateShellStream_SendPseudoTerminalRequestReturnsFalse.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
| using Moq; | ||
| using Renci.SshNet.Channels; | ||
| using Renci.SshNet.Common; | ||
|
|
||
| namespace Renci.SshNet.Tests.Classes | ||
| { | ||
| [TestClass] | ||
| public class ServiceFactoryTest_CreateShellStream_SendPseudoTerminalRequestReturnsFalse | ||
| { | ||
| private Mock<ISession> _sessionMock; | ||
| private Mock<IConnectionInfo> _connectionInfoMock; | ||
| private Mock<IChannelSession> _channelSessionMock; | ||
| private ServiceFactory _serviceFactory; | ||
| private string _terminalName; | ||
| private uint _columns; | ||
| private uint _rows; | ||
| private uint _width; | ||
| private uint _height; | ||
| private IDictionary<TerminalModes, uint> _terminalModeValues; | ||
| private int _bufferSize; | ||
| private SshException _actualException; | ||
|
|
||
| private void SetupData() | ||
| { | ||
| var random = new Random(); | ||
|
|
||
| _terminalName = random.Next().ToString(); | ||
| _columns = (uint)random.Next(); | ||
| _rows = (uint)random.Next(); | ||
| _width = (uint)random.Next(); | ||
| _height = (uint)random.Next(); | ||
| _terminalModeValues = new Dictionary<TerminalModes, uint>(); | ||
| _bufferSize = random.Next(); | ||
| _actualException = null; | ||
| } | ||
|
|
||
| private void CreateMocks() | ||
| { | ||
| _sessionMock = new Mock<ISession>(MockBehavior.Strict); | ||
| _connectionInfoMock = new Mock<IConnectionInfo>(MockBehavior.Strict); | ||
| _channelSessionMock = new Mock<IChannelSession>(MockBehavior.Strict); | ||
| } | ||
|
|
||
| private void SetupMocks() | ||
| { | ||
| var sequence = new MockSequence(); | ||
|
|
||
| _sessionMock.InSequence(sequence) | ||
| .Setup(p => p.ConnectionInfo) | ||
| .Returns(_connectionInfoMock.Object); | ||
| _connectionInfoMock.InSequence(sequence) | ||
| .Setup(p => p.Encoding) | ||
| .Returns(new UTF8Encoding()); | ||
| _sessionMock.InSequence(sequence) | ||
| .Setup(p => p.CreateChannelSession()) | ||
| .Returns(_channelSessionMock.Object); | ||
| _channelSessionMock.InSequence(sequence) | ||
| .Setup(p => p.Open()); | ||
| _channelSessionMock.InSequence(sequence) | ||
| .Setup(p => p.SendPseudoTerminalRequest(_terminalName, _columns, _rows, _width, _height, _terminalModeValues)) | ||
| .Returns(false); | ||
| _channelSessionMock.InSequence(sequence) | ||
| .Setup(p => p.Dispose()); | ||
| } | ||
|
|
||
| private void Arrange() | ||
| { | ||
| SetupData(); | ||
| CreateMocks(); | ||
| SetupMocks(); | ||
|
|
||
| _serviceFactory = new ServiceFactory(); | ||
| } | ||
|
|
||
| [TestInitialize] | ||
| public void Initialize() | ||
| { | ||
| Arrange(); | ||
| Act(); | ||
| } | ||
|
|
||
| private void Act() | ||
| { | ||
| try | ||
| { | ||
| _serviceFactory.CreateShellStream(_sessionMock.Object, | ||
| _terminalName, | ||
| _columns, | ||
| _rows, | ||
| _width, | ||
| _height, | ||
| _terminalModeValues, | ||
| _bufferSize); | ||
| Assert.Fail(); | ||
| } | ||
| catch (SshException ex) | ||
| { | ||
| _actualException = ex; | ||
| } | ||
| } | ||
|
|
||
| [TestMethod] | ||
| public void CreateShellStreamShouldThrowSshException() | ||
| { | ||
| Assert.IsNotNull(_actualException); | ||
| Assert.IsNull(_actualException.InnerException); | ||
| Assert.AreEqual("The pseudo-terminal request was not accepted by the server. Consult the server log for more information.", _actualException.Message); | ||
| } | ||
|
|
||
| [TestMethod] | ||
| public void DisposeOnChannelSessionShouldHaveBeenInvokedOnce() | ||
| { | ||
| _channelSessionMock.Verify(p => p.Dispose(), Times.Once); | ||
| } | ||
| } | ||
| } |
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