public void NoConfiguredLocation_UsesDefault()
{
IConfiguration configuration = new ConfigurationBuilder()
.AddInMemoryCollection()
.Build();
using Stream stream =
typeof(DefaultPictureProvider).Assembly.GetManifestResourceStream(Constants.DefaultBuiltInPictureLocation);
byte[] expected = new byte[stream.Length];
stream.Read(expected, 0, expected.Length);
DefaultPictureProvider provider = new DefaultPictureProvider(configuration);
byte[] actual = provider.GetDefaultPicture();
Assert.That(actual, Is.EqualTo(expected));
}
public void ConfiguredLocation_UsesConfiguredFile()
{
// Despite the method name, GetTempFileName actually returns an absolute path (not just the name).
string tempFilePath = Path.GetTempFileName();
try {
byte[] expectedFile = new byte[100];
// Fill the byte array with something, don't really care
// what (as long as we know what it has in it and it isn't zero-length)
for (byte i = 0; i < expectedFile.Length; i++)
{
expectedFile[i] = i;
}
using Stream stream = new FileStream(tempFilePath, FileMode.Open);
stream.Write(expectedFile, 0, expectedFile.Length);
// Explicitly close the file so that the system under test can open it; normally we'd let the using directive handle it
stream.Close();
IConfiguration configuration = new ConfigurationBuilder()
.AddInMemoryCollection(new[] {
new KeyValuePair <string, string>(Constants.Config.DefaultPictureFileKey, tempFilePath)
}).Build();
DefaultPictureProvider provider = new DefaultPictureProvider(configuration);
byte[] pictureBytes = provider.GetDefaultPicture();
Assert.Multiple(() => {
Assert.That(File.Exists(tempFilePath));
Assert.That(pictureBytes, Is.EqualTo(expectedFile));
});
} finally {
if (!string.IsNullOrEmpty(tempFilePath) && File.Exists(tempFilePath))
{
File.Delete(tempFilePath);
}
}
}
