public void IsNbtDocument_should_throw_exception_for_null_stream()
{
// arrange
// act
NbtDocument.IsNbtDocument((string)null);
// assert
}
public void IsNbtDocument_should_throw_exception_for_null_stream()
{
// arrange
// act
Assert.Throws <ArgumentNullException>(() => NbtDocument.IsNbtDocument((string)null));
// assert
}
public void IsNbtDocument_should_throw_exception_if_file_is_missing()
{
// arrange
var fileName = Guid.NewGuid().ToString();
// act
Assert.Throws <FileNotFoundException>(() => NbtDocument.IsNbtDocument(fileName));
// assert
}
public void IsNbtDocument_should_return_true_for_xml_file()
{
// arrange
var fileName = ComplexXmlDataFileName;
// act
var actual = NbtDocument.IsNbtDocument(fileName);
// assert
Assert.True(actual);
}
public void IsNbtDocument_should_return_true_for_uncompressed_binary_file()
{
// arrange
var fileName = UncompressedComplexDataFileName;
// act
var actual = NbtDocument.IsNbtDocument(fileName);
// assert
Assert.True(actual);
}
public void IsNbtDocument_should_return_false_for_unknown_file()
{
// arrange
var fileName = BadFileName;
// act
var actual = NbtDocument.IsNbtDocument(fileName);
// assert
Assert.False(actual);
}
public void IsNbtDocument_should_throw_exception_if_file_is_missing()
{
// arrange
string fileName;
fileName = Guid.NewGuid().ToString();
// act
NbtDocument.IsNbtDocument(fileName);
// assert
}
public void IsNbtDocument_should_return_true_for_xml_file()
{
// arrange
string fileName;
bool actual;
fileName = this.ComplexXmlDataFileName;
// act
actual = NbtDocument.IsNbtDocument(fileName);
// assert
Assert.IsTrue(actual);
}
public void IsNbtDocument_should_return_true_for_uncompressed_binary_file()
{
// arrange
string fileName;
bool actual;
fileName = this.UncompressedComplexDataFileName;
// act
actual = NbtDocument.IsNbtDocument(fileName);
// assert
Assert.IsTrue(actual);
}
public void IsNbtDocument_should_return_false_for_unknown_file()
{
// arrange
bool actual;
string fileName;
fileName = this.BadFileName;
// act
actual = NbtDocument.IsNbtDocument(fileName);
// assert
Assert.IsFalse(actual);
}
public void IsNbtDocument_should_return_true_for_gzip_binary_stream()
{
// arrange
bool actual;
var fileName = ComplexDataFileName;
// act
using (Stream stream = File.OpenRead(fileName))
{
actual = NbtDocument.IsNbtDocument(stream);
}
// assert
Assert.True(actual);
}
/// <summary>
/// Retrieve chunk data from minecraft and process it returing a NBTDocument from
/// our favorite NBT parsing library
/// </summary>
/// <param name="startPos"> Chunk position, it will be clamped to chunk coordinates just in case </param>
/// <param name="dx"> how many chunks to retrieve in X direction </param>
/// <param name="dz"> how many chunks to retrieve in Z direction </param>
/// <returns>Parsed data from minecraft as an NBTDocument object</returns>
public async Task <NbtDocument> GetChunks(Vector2Int startPos, int dx, int dz)
{
// Set up expected headers
_client.DefaultRequestHeaders.Accept.Clear();
_client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/octet-stream")
);
// Clamp coordinates so they are in chunk coordinates
startPos.X /= 16;
startPos.Z /= 16;
// make them possitive
dx = Math.Clamp(dx, 0, int.MaxValue);
dz = Math.Clamp(dz, 0, int.MaxValue);
// Request data
var ans = await _client.GetAsync($"{_ChunksEndpoint}?x={startPos.X}&z={startPos.Z}&dx={dx}&dz={dz}");
// Check if request was ok
if (ans.StatusCode != System.Net.HttpStatusCode.OK)
{
throw new HttpRequestException($"Couldn't retrieve data from minecraft, status code: {ans.StatusCode}");
}
// parse content as a byte stream
var content = await ans.Content.ReadAsStreamAsync();
// Check if this is a valid document
if (!NbtDocument.IsNbtDocument(content))
{
throw new ArgumentException($"Inconsistent data from minecraft. Retrieved data is not a valid NBT document");
}
// parse into an actual document object
var document = NbtDocument.LoadDocument(content);
// back up our data if it is necessary
if (_ShouldStoreRawData)
{
_rawMcWorkdData = content;
}
return(document);
}
