131 lines
3.9 KiB
C#
131 lines
3.9 KiB
C#
using FluentAssertions;
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namespace OCES.Resonance.Core.Tests;
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/// <summary>
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/// AudioMetadataReader 单元测试
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/// </summary>
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public class AudioMetadataReaderTests
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{
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readonly AudioMetadataReader _reader;
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readonly string _testDirectory;
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public AudioMetadataReaderTests()
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{
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this._reader = new AudioMetadataReader();
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this._testDirectory = Path.Combine(Path.GetTempPath(), $"MetadataReaderTest_{Guid.NewGuid()}");
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Directory.CreateDirectory(this._testDirectory);
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}
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[Fact]
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public void ReadMetadata_文件不存在_抛出FileNotFoundException()
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{
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// Arrange
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string nonExistentFile = Path.Combine(this._testDirectory, "non_existent.wav");
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// Act & Assert
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Func<AudioFileMeta> act = () => this._reader.ReadMetadata(nonExistentFile);
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act.Should().Throw<FileNotFoundException>();
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}
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[Fact]
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public void ReadMetadata_空文件_仍然返回元数据()
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{
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// Arrange
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string emptyFile = Path.Combine(this._testDirectory, "empty.wav");
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File.WriteAllText(emptyFile, "");
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// Act
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AudioFileMeta result = this._reader.ReadMetadata(emptyFile);
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// Assert
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result.Should().NotBeNull();
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result.Filename.Should().Be("empty.wav");
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result.Path.Should().Be(Path.GetFullPath(emptyFile));
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result.Md5.Should().NotBeNullOrEmpty();
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result.UniqueId.Should().NotBeNullOrEmpty();
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}
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[Fact]
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public void ReadMetadata_生成唯一ID_每次调用都不同()
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{
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// Arrange
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string testFile = Path.Combine(this._testDirectory, "test.wav");
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File.WriteAllText(testFile, "fake audio content");
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// Act
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AudioFileMeta result1 = this._reader.ReadMetadata(testFile);
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AudioFileMeta result2 = this._reader.ReadMetadata(testFile);
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// Assert
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result1.UniqueId.Should().NotBe(result2.UniqueId);
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}
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[Fact]
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public void ReadMetadata_相同文件_MD5相同()
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{
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// Arrange
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var testFile = Path.Combine(this._testDirectory, "test.wav");
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File.WriteAllText(testFile, "fake audio content");
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// Act
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var result1 = this._reader.ReadMetadata(testFile);
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var result2 = this._reader.ReadMetadata(testFile);
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// Assert
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result1.Md5.Should().Be(result2.Md5);
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}
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[Theory]
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[InlineData(".wav", "WAV")]
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[InlineData(".mp3", "MP3")]
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[InlineData(".flac", "FLAC")]
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[InlineData(".aiff", "AIFF")]
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public void ReadMetadata_不同格式_正确设置Type字段(string extension, string expectedType)
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{
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// Arrange
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string testFile = Path.Combine(this._testDirectory, $"test{extension}");
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File.WriteAllText(testFile, "fake audio content");
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// Act
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AudioFileMeta result = this._reader.ReadMetadata(testFile);
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// Assert
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result.Type.Should().Be(expectedType);
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}
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[Fact]
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public void ReadMetadata_提取文件夹信息()
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{
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// Arrange
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string subDir = Path.Combine(this._testDirectory, "SubFolder");
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Directory.CreateDirectory(subDir);
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string testFile = Path.Combine(subDir, "test.wav");
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File.WriteAllText(testFile, "fake audio content");
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// Act
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AudioFileMeta result = this._reader.ReadMetadata(testFile);
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// Assert
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result.Folder.Should().Be("SubFolder");
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result.Directory.Should().Be(subDir);
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}
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[Fact]
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public void ReadMetadata_设置DateAdded为当前时间()
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{
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// Arrange
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string testFile = Path.Combine(this._testDirectory, "test.wav");
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File.WriteAllText(testFile, "fake audio content");
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DateTime beforeTime = DateTime.Now;
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// Act
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AudioFileMeta result = this._reader.ReadMetadata(testFile);
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DateTime afterTime = DateTime.Now;
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// Assert
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result.DateAdded.Should().BeOnOrAfter(beforeTime);
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result.DateAdded.Should().BeOnOrBefore(afterTime);
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}
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}
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