public JSONSystemInformationMessageQueuePersistence(IJSONMessageQueuePersistenceConfigurationProvider jsonMessageQueuePersistenceConfigurationProvider, IEncodingProvider encodingProvider)
{
if (jsonMessageQueuePersistenceConfigurationProvider == null)
{
throw new ArgumentNullException("jsonMessageQueuePersistenceConfigurationProvider");
}
if (encodingProvider == null)
{
throw new ArgumentNullException("encodingProvider");
}
this.jsonMessageQueuePersistenceConfiguration = jsonMessageQueuePersistenceConfigurationProvider.GetConfiguration();
this.encodingProvider = encodingProvider;
}
public void Load_StorageFilePathContainsEmptyArray_ResultIsEmpty()
{
// Arrange
string configfurationFileName = "File-With-EmptyArray" + TestConfigFileExtension;
File.WriteAllText(
configfurationFileName,
"[]",
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsEmpty(result);
}
public void Load_StorageFilePathContainsInvalidContent_ResultIsNull()
{
// Arrange
string configfurationFileName = "File-With-Invalid-Content" + TestConfigFileExtension;
File.WriteAllText(
configfurationFileName,
"Garble Garble. Yada Yada. I will cause an exception when you try to deserialize me.",
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsNull(result);
}
public void Save_TargetFileIsValid_DoesNotYetExist_TargetfileIsIsNotEmptyAfterSave()
{
// Arrange
string configfurationFileName = "New-File+" + Guid.NewGuid() + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(itemArray);
// Assert
Assert.IsNotNullOrEmpty(File.ReadAllText(configfurationFileName));
}
public void Save_TargetFileNameIsInvalid_MessageQueuePersistenceExceptionIsThrown(string targetFileName)
{
// Arrange
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = targetFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(itemArray);
}
public void Save_TargetFileIsLockedByAnotherProcess_MessageQueuePersistenceExceptionIsThrown()
{
// Arrange
string configfurationFileName = "Locked-File" + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
using (var fileStream = File.OpenWrite(configfurationFileName))
{
queuePersistence.Save(itemArray);
}
}
public void Save_ParameterIsNull_ArgumentNullExceptionIsThrown()
{
// Arrange
string configfurationFileName = "A-New-Config-File" + TestConfigFileExtension;
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(null);
}
public void Load_StorageFilePathDoesNotExist_ResultIsNull()
{
// Arrange
string configfurationFileName = "Non-Existing-Config-File" + TestConfigFileExtension;
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsNull(result);
}
public void Load_StorageFilePathContainsValidContent_ResultContainsAllItems()
{
// Arrange
string configfurationFileName = "File-With-Valid-Content" + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
File.WriteAllText(
configfurationFileName,
JsonConvert.SerializeObject(itemArray),
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.AreEqual(itemArray, result);
}
public void Setup()
{
this.jsonMessageQueuePersistenceConfigurationProvider = new AppConfigJSONMessageQueuePersistenceConfigurationProvider();
this.persistenceConfiguration = this.jsonMessageQueuePersistenceConfigurationProvider.GetConfiguration();
this.encodingProvider = new DefaultEncodingProvider();
}
