public async Task Given_raw_chunk_data_when_deserializing_and_serializing_should_produce_same_binary_representation(string resourceName)
{
byte[] rawChunkData = GetType().Assembly.GetManifestResourceStream(GetType(), resourceName).ToArray();
var chunk = new ModelChunk();
using (var ms = new MemoryStream(rawChunkData))
{
await chunk.DeserializeAsync(ms, false);
// Clear out stream.
ms.SetLength(0);
// Act
await chunk.SerializeAsync(ms, false);
// Assert
ms.ToArray().Should().BeEquivalentTo(rawChunkData);
}
}
public async Task Given_raw_chunk_data_when_deserializing_should_load_model(bool includeNormals, string resourceName)
{
byte[] rawChunkData = GetType().Assembly.GetManifestResourceStream(GetType(), resourceName).ToArray();
ModelChunk expectedChunk = GetPopulatedModelChunk(includeNormals);
using (var ms = new MemoryStream(rawChunkData))
{
// Act
var deserializedChunk = new ModelChunk();
await deserializedChunk.DeserializeAsync(ms, false);
// Assert
// For purpose of test, we use a very lax epsilon, since our vectors above are not remotely as precise as the binary representation.
deserializedChunk.Should().BeEquivalentTo(expectedChunk, opts =>
opts.Using(new VectorEquivalencyStep <Vector3>(0.0000005f))
.Using(new VectorEquivalencyStep <Vector2>(0.0000005f)));
ms.Should().BeEof();
}
}
public async Task Given_model_when_serializing_and_deserializing_should_produce_same_model(bool includeNormals)
{
ModelChunk chunk = GetPopulatedModelChunk(includeNormals);
using (var ms = new MemoryStream())
{
await chunk.SerializeAsync(ms, false);
ms.Position = 0;
// Act
var deserializedChunk = new ModelChunk();
await deserializedChunk.DeserializeAsync(ms, false);
// Assert
deserializedChunk.Should().BeEquivalentTo(chunk, opts =>
opts.Using(new VectorEquivalencyStep <Vector3>(float.Epsilon))
.Using(new VectorEquivalencyStep <Vector2>(float.Epsilon)));
ms.Should().BeEof();
}
}
public void When_creating_new_instance_should_set_defaults()
{
var newInstance = new ModelChunk();
var compareToInstance = new ModelChunk
{
ParentFile = null,
FileOffset = 0,
Magic = DatFile.Magics.Model,
Id = 0,
SubType = 0,
MaterialIndices = new byte[0],
Normals = new Vector3[0],
TextureCoordinates = new Vector2[0],
TextureIndices = new UvMap[0],
VertexIndices = new ushort[0],
Vertices = new Vector3[0]
};
// Assert
newInstance.Should().BeEquivalentTo(compareToInstance);
}
