public void ReadFileDoesNotExistAndTestIfExists()
{
CreateTemporaryFile((fileName) =>
{
// Make sure the file does not exist.
File.Delete(fileName);
OpenReadStreamFromFile streamFromFile = new OpenReadStreamFromFile()
{
Name = "Reader",
FilePath = CreateParameter(fileName, "FileName"),
CheckFileExistsAtRunStart = CreateParameter(true, "Check")
};
string error = null;
Assert.IsFalse(streamFromFile.RuntimeValidation(ref error));
Assert.IsNotNull(error, "There was no error message!");
// make sure that we can read the file
Assert.IsFalse(NoExecutionErrors(() =>
{
using (var reader = streamFromFile.Invoke())
{
}
}, out var _), "There was no error when reading a file that does not exist!");
});
}
public void ReadFileExistsAndDontTestIfExists()
{
CreateTemporaryFile((fileName) =>
{
OpenReadStreamFromFile streamFromFile = new OpenReadStreamFromFile()
{
Name = "Reader",
FilePath = CreateParameter(fileName, "FileName"),
CheckFileExistsAtRunStart = CreateParameter(false, "Check")
};
string error = null;
Assert.IsTrue(streamFromFile.RuntimeValidation(ref error));
Assert.IsNull(error);
// make sure that we can read the file
Assert.IsTrue(NoExecutionErrors(() =>
{
using (var reader = streamFromFile.Invoke())
{
}
}, out var e), e?.Message);
});
}