public void GetTestFileAsStream_ReadExistingFile()
{
string data = @"
{
""key"": ""value"",
""key2"": ""value2""
}";
byte[] expected = Encoding.UTF8.GetBytes(data);
// Write the data to a temporary location.
string path = Path.GetTempFileName();
File.WriteAllBytes(path, expected);
byte[] actual;
int actualByteCount;
using (Stream stream = TestingTools.GetTestFileAsStream(path))
{
// Allow a max number of bytes *much* longer than what's expected.
byte[] buffer = new byte[expected.Length * 10];
actualByteCount = stream.Read(buffer, 0, buffer.Length);
// Copy only as many bytes as were actually read.
actual = new byte[actualByteCount];
Array.Copy(buffer, actual, actualByteCount);
}
Assert.Equal(expected.Length, actualByteCount);
Assert.Equal(expected, actual);
}
public void GetTestFileAsStream_NonexistingFile()
{
Assert.Throws <FileNotFoundException>(
() => TestingTools.GetTestFileAsStream("NonExistingFile.json")
);
}
public void GetTestFileAsStream_Null()
{
Assert.Throws <ArgumentNullException>(
() => TestingTools.GetTestFileAsStream(null)
);
}