public void ParseShouldParseVersion()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.Parse();
Assert.AreEqual("2.3.1", metadata.Version);
}
public void ParseShouldInvalidateTagIfFrameHeaderSizeHasInvalidByte()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x1F, 0x80, 0x00, 0x02, 0x01 };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.Parse();
Assert.AreEqual(false, metadata.Valid);
}
public void ParseShouldParseExperimentalIndicatorFlagAsTrueIfSet()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x20, 0x00, 0x00, 0x00, 0x00 };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.Parse();
Assert.IsTrue(metadata.IsExperimentalStage);
}
public void ParseShouldParseTagSize()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x1F, 0x00, 0x00, 0x02, 0x01 };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.Parse();
Assert.AreEqual((uint)257, metadata.TagSize);
}
public void ParseShouldParseExtendedHeaderFlagAsTrueIfSet()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.Parse();
Assert.IsTrue(metadata.ContainsExtendedHeader);
}
public void ParseShouldParseUnsynchronizationFlagAsTrueIfSet()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00 };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.Parse();
Assert.IsTrue(metadata.IsUnsynchronisationUsed);
}
public void ParseShouldParseExperimentalIndicatorFlagAsFalseIfNotSet()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x1F, 0x00, 0x00, 0x00, 0x00 };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.IsUnsynchronisationUsed = true;
metadata.Parse();
Assert.IsFalse(metadata.IsExperimentalStage);
}
public void ParseShouldParseExtendedHeaderFlagAsFalseIfNotSet()
{
byte[] mockData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x01, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A };
Id3Metadata metadata = new Id3Metadata(mockData);
metadata.IsUnsynchronisationUsed = true;
metadata.Parse();
Assert.IsFalse(metadata.ContainsExtendedHeader);
Assert.AreEqual(null, metadata.ExtendedHeader);
}
public void ParseShouldParseAllMetadata()
{
const string mockFilepath = @"c:\test.mp3";
byte[] mockFileData = new byte[] { 0x49, 0x44, 0x33, 0x03, 0x00, 0xE0, 0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30 };
Moq.Mock <IFileSystem> filesystemMock = new Moq.Mock <IFileSystem>();
filesystemMock.Setup(x => x.File.ReadAllBytes(mockFilepath)).Returns(mockFileData);
filesystemMock.Setup(x => x.File.Exists(mockFilepath)).Returns(true);
MetadataParser parser = new MetadataParser(filesystemMock.Object, mockFilepath);
Id3Metadata metadata = parser.Parse();
Assert.AreEqual("2.3.0", metadata.Version);
Assert.IsTrue(metadata.IsUnsynchronisationUsed);
Assert.IsTrue(metadata.ContainsExtendedHeader);
Assert.IsTrue(metadata.IsExperimentalStage);
Assert.AreEqual((uint)257, metadata.TagSize);
Assert.AreEqual((uint)10, metadata.ExtendedHeader.ExtendedHeaderSize);
Assert.AreEqual(false, metadata.ExtendedHeader.IsCrcDataPresent);
Assert.AreEqual((uint)48, metadata.ExtendedHeader.SizeOfPadding);
}
