feat: refactor audio extraction to reusable class

2025-07-24 11:22:15 -05:00
parent 310f56fb84
commit 0a661d6970
14 changed files with 354 additions and 181 deletions
@@ -1,7 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">

  <ItemGroup>
+    <PackageReference Include="AwesomeAssertions" />
    <PackageReference Include="Microsoft.NET.Test.Sdk" />
+    <PackageReference Include="Moq" />
    <PackageReference Include="xunit.v3" />
    <PackageReference Include="xunit.runner.visualstudio" />
  </ItemGroup>
@@ -0,0 +1,36 @@
+namespace StreamShorts.Library.Tests.Unit.Media.Audio;
+
+public class AudioExtractorTests
+{
+  private readonly AudioExtractor _sut = new();
+
+  [Fact]
+  public async Task ExtractMp3FromMp4Async_WhenVideoIsNull_ItShouldThrow()
+  {
+    var action = async () => await _sut.ExtractMp3FromMp4Async(null!);
+
+    await action.Should().ThrowAsync<ArgumentNullException>();
+  }
+
+  [Fact]
+  public async Task ExtractMp3FromMp4Async_WhenVideoIsNotReadable_ItShouldThrow()
+  {
+    var mockStream = new Mock<Stream>();
+    mockStream.Setup(s => s.CanRead).Returns(false);
+
+    var action = async () => await _sut.ExtractMp3FromMp4Async(mockStream.Object);
+
+    await action.Should().ThrowAsync<ArgumentException>();
+  }
+
+  [Fact]
+  public async Task ExtractMp3FromMp4Async_WhenVideoIsNotSeekable_ItShouldThrow()
+  {
+    var mockStream = new Mock<Stream>();
+    mockStream.Setup(s => s.CanSeek).Returns(false);
+
+    var action = async () => await _sut.ExtractMp3FromMp4Async(mockStream.Object);
+
+    await action.Should().ThrowAsync<ArgumentException>();
+  }
+}
@@ -0,0 +1,5 @@
+global using AwesomeAssertions;
+
+global using Moq;
+
+global using StreamShorts.Library.Media.Audio;