public void AddToCsvRepoWorksWhenFileDoesNotExist(MockPoco input)
{
// Arrange
var fileName = Path.GetRandomFileName();
var outputFile = new FileInfo(Path.ChangeExtension(fileName, "csv"));
CsvContext <MockPoco> csvContext = null;
CsvRepo <MockPoco> repository = null;
try
{
csvContext = new CsvContext <MockPoco>(outputFile)
{
Culture = CultureInfo.InvariantCulture
};
repository = new CsvRepo <MockPoco>(csvContext);
// Act
repository.Add(input);
csvContext.SaveChanges();
var received = File.ReadAllText(outputFile.FullName);
// Assert
Assert.Contains(input.Value, received);
}
finally
{
repository?.Dispose();
outputFile.Delete();
}
}
public void AddToCsvRepoWorksWhenNonEmptyFileExists(MockPoco input)
{
// Arrange
var fileName = Path.GetRandomFileName();
var outputFile = new FileInfo(Path.ChangeExtension(fileName, "csv"));
using (var streamWriter = outputFile.CreateText())
{
streamWriter.Write("Id,Value\r\n5,test5\r\n");
}
CsvContext <MockPoco> csvContext = null;
CsvRepo <MockPoco> repository = null;
try
{
csvContext = new CsvContext <MockPoco>(outputFile)
{
Culture = CultureInfo.InvariantCulture
};
repository = new CsvRepo <MockPoco>(csvContext);
// Act
repository.Add(input);
csvContext.SaveChanges();
var received = File.ReadAllText(outputFile.FullName);
// Assert
Assert.Contains("test5", received);
Assert.Contains(input.Value, received);
}
finally
{
repository?.Dispose();
outputFile.Delete();
}
}
public void AddThrowsWhenAttemptedToAddExisitngId()
{
// Arrange
var fileName = Path.GetRandomFileName();
var outputFile = new FileInfo(Path.ChangeExtension(fileName, "csv"));
CsvContext <MockPoco> csvContext = null;
CsvRepo <MockPoco> repository = null;
//
var set = new HashSet <int>();
set.Add(1);
set.Add(1);
//
using (var streamWriter = outputFile.CreateText())
{
streamWriter.Write("Id,Value\r\n5,test5\r\n");
}
try
{
csvContext = new CsvContext <MockPoco>(outputFile)
{
Culture = CultureInfo.InvariantCulture
};
repository = new CsvRepo <MockPoco>(csvContext);
// Act & Assert
Assert.Throws <ArgumentException>(() => repository.Add(new MockPoco {
Id = 5
}));
}
finally
{
repository?.Dispose();
outputFile.Delete();
}
}
public void UpdateUpdatesAfterChangesCommited(MockPoco input)
{
string oldValue = input.Value;
const string newValue = "newValue5";
// Arrange
var fileName = Path.GetRandomFileName();
var outputFile = new FileInfo(Path.ChangeExtension(fileName, "csv"));
CsvContext <MockPoco> csvContext = null;
CsvRepo <MockPoco> repository = null;
try
{
csvContext = new CsvContext <MockPoco>(outputFile)
{
Culture = CultureInfo.InvariantCulture
};
repository = new CsvRepo <MockPoco>(csvContext);
// Act
repository.Add(input);
csvContext.SaveChanges();
input.Value = newValue;
csvContext.SaveChanges();
var received = File.ReadAllText(outputFile.FullName);
// Assert
Assert.Contains(newValue, received);
Assert.DoesNotContain(oldValue, received);
}
finally
{
repository?.Dispose();
outputFile.Delete();
}
}