WIP: 单元测试

Reviewing AudioMetadataReader.cs
2026-04-17 14:20:03 +08:00
parent 20ae0909cf
commit 021f4b1cd1
13 changed files with 641 additions and 144 deletions
@@ -0,0 +1,130 @@
+using FluentAssertions;
+
+namespace OCES.Resonance.Core.Tests;
+
+/// <summary>
+/// AudioMetadataReader 单元测试
+/// </summary>
+public class AudioMetadataReaderTests
+{
+    readonly AudioMetadataReader _reader;
+    readonly string _testDirectory;
+
+    public AudioMetadataReaderTests()
+    {
+        this._reader = new AudioMetadataReader();
+        this._testDirectory = Path.Combine(Path.GetTempPath(), $"MetadataReaderTest_{Guid.NewGuid()}");
+        Directory.CreateDirectory(this._testDirectory);
+    }
+
+    [Fact]
+    public void ReadMetadata_文件不存在_抛出FileNotFoundException()
+    {
+        // Arrange
+        string nonExistentFile = Path.Combine(this._testDirectory, "non_existent.wav");
+
+        // Act & Assert
+        Func<AudioFileMeta> act = () => this._reader.ReadMetadata(nonExistentFile);
+        act.Should().Throw<FileNotFoundException>();
+    }
+
+    [Fact]
+    public void ReadMetadata_空文件_仍然返回元数据()
+    {
+        // Arrange
+        string emptyFile = Path.Combine(this._testDirectory, "empty.wav");
+        File.WriteAllText(emptyFile, "");
+
+        // Act
+        AudioFileMeta result = this._reader.ReadMetadata(emptyFile);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Filename.Should().Be("empty.wav");
+        result.Path.Should().Be(Path.GetFullPath(emptyFile));
+        result.Md5.Should().NotBeNullOrEmpty();
+        result.UniqueId.Should().NotBeNullOrEmpty();
+    }
+
+    [Fact]
+    public void ReadMetadata_生成唯一ID_每次调用都不同()
+    {
+        // Arrange
+        string testFile = Path.Combine(this._testDirectory, "test.wav");
+        File.WriteAllText(testFile, "fake audio content");
+
+        // Act
+        AudioFileMeta result1 = this._reader.ReadMetadata(testFile);
+        AudioFileMeta result2 = this._reader.ReadMetadata(testFile);
+
+        // Assert
+        result1.UniqueId.Should().NotBe(result2.UniqueId);
+    }
+
+    [Fact]
+    public void ReadMetadata_相同文件_MD5相同()
+    {
+        // Arrange
+        var testFile = Path.Combine(this._testDirectory, "test.wav");
+        File.WriteAllText(testFile, "fake audio content");
+
+        // Act
+        var result1 = this._reader.ReadMetadata(testFile);
+        var result2 = this._reader.ReadMetadata(testFile);
+
+        // Assert
+        result1.Md5.Should().Be(result2.Md5);
+    }
+
+    [Theory]
+    [InlineData(".wav", "WAV")]
+    [InlineData(".mp3", "MP3")]
+    [InlineData(".flac", "FLAC")]
+    [InlineData(".aiff", "AIFF")]
+    public void ReadMetadata_不同格式_正确设置Type字段(string extension, string expectedType)
+    {
+        // Arrange
+        string testFile = Path.Combine(this._testDirectory, $"test{extension}");
+        File.WriteAllText(testFile, "fake audio content");
+
+        // Act
+        AudioFileMeta result = this._reader.ReadMetadata(testFile);
+
+        // Assert
+        result.Type.Should().Be(expectedType);
+    }
+
+    [Fact]
+    public void ReadMetadata_提取文件夹信息()
+    {
+        // Arrange
+        string subDir = Path.Combine(this._testDirectory, "SubFolder");
+        Directory.CreateDirectory(subDir);
+        string testFile = Path.Combine(subDir, "test.wav");
+        File.WriteAllText(testFile, "fake audio content");
+
+        // Act
+        AudioFileMeta result = this._reader.ReadMetadata(testFile);
+
+        // Assert
+        result.Folder.Should().Be("SubFolder");
+        result.Directory.Should().Be(subDir);
+    }
+
+    [Fact]
+    public void ReadMetadata_设置DateAdded为当前时间()
+    {
+        // Arrange
+        string testFile = Path.Combine(this._testDirectory, "test.wav");
+        File.WriteAllText(testFile, "fake audio content");
+        DateTime beforeTime = DateTime.Now;
+
+        // Act
+        AudioFileMeta result = this._reader.ReadMetadata(testFile);
+        DateTime afterTime = DateTime.Now;
+
+        // Assert
+        result.DateAdded.Should().BeOnOrAfter(beforeTime);
+        result.DateAdded.Should().BeOnOrBefore(afterTime);
+    }
+}