mapitman · mapitman · Feb 14, 2026 · Feb 14, 2026
diff --git a/src/RipSharp.Tests/Core/ConfigFileLocatorTests.cs b/src/RipSharp.Tests/Core/ConfigFileLocatorTests.cs
@@ -1,11 +1,4 @@
-using System;
-using System.IO;
-
-using AwesomeAssertions;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Core;
+namespace RipSharp.Tests.Core;
 
 public class ConfigFileLocatorTests
 {

diff --git a/src/RipSharp.Tests/Core/PrerequisiteCheckerTests.cs b/src/RipSharp.Tests/Core/PrerequisiteCheckerTests.cs
@@ -0,0 +1,131 @@
+namespace RipSharp.Tests.Core;
+
+public class PrerequisiteCheckerTests
+{
+    [Fact]
+    public void GetMissingTools_WhenPathIsEmpty_ReturnsAllRequiredTools()
+    {
+        var missing = PrerequisiteChecker.GetMissingTools(null, isWindows: false, _ => false);
+
+        missing.Should().Contain(PrerequisiteChecker.RequiredTools);
+    }
+
+    [Theory]
+    [MemberData(nameof(NonWindowsAllPresentCases))]
+    public void GetMissingTools_WhenNonWindowsPathsContainTools_ReturnsNoneMissing(string pathValue, string[] existingFiles)
+    {
+        var missing = PrerequisiteChecker.GetMissingTools(pathValue, isWindows: false, CreateSet(existingFiles).Contains);
+
+        missing.Should().BeEmpty();
+    }
+
+    [Theory]
+    [MemberData(nameof(NonWindowsMissingCases))]
+    public void GetMissingTools_WhenNonWindowsMissingTool_ReturnsMissingTool(string pathValue, string[] existingFiles, string expectedMissing)
+    {
+        var missing = PrerequisiteChecker.GetMissingTools(pathValue, isWindows: false, CreateSet(existingFiles).Contains);
+
+        missing.Should().ContainSingle().Which.Should().Be(expectedMissing);
+    }
+
+    [Theory]
+    [MemberData(nameof(WindowsAllPresentCases))]
+    public void GetMissingTools_WhenWindowsPathsContainExecutableExtensions_ReturnsNoneMissing(string pathValue, string[] existingFiles)
+    {
+        var missing = PrerequisiteChecker.GetMissingTools(pathValue, isWindows: true, CreateSet(existingFiles).Contains);
+
+        missing.Should().BeEmpty();
+    }
+
+    [Theory]
+    [MemberData(nameof(WindowsMissingCases))]
+    public void GetMissingTools_WhenWindowsMissingTool_ReturnsMissingTool(string pathValue, string[] existingFiles, string expectedMissing)
+    {
+        var missing = PrerequisiteChecker.GetMissingTools(pathValue, isWindows: true, CreateSet(existingFiles).Contains);
+
+        missing.Should().ContainSingle().Which.Should().Be(expectedMissing);
+    }
+
+    public static IEnumerable<object[]> NonWindowsAllPresentCases()
+    {
+        yield return new object[]
+        {
+            BuildPath("/usr/local/bin", "/usr/bin"),
+            new[] { Path.Combine("/usr/bin", "makemkvcon"), Path.Combine("/usr/local/bin", "ffmpeg") }
+        };
+
+        yield return new object[]
+        {
+            BuildPath("/usr/bin", "/opt/bin"),
+            new[] { Path.Combine("/usr/bin", "makemkvcon"), Path.Combine("/opt/bin", "ffmpeg") }
+        };
+
+        yield return new object[]
+        {
+            BuildPath("/opt/homebrew/bin", "/usr/local/bin"),
+            new[] { Path.Combine("/opt/homebrew/bin", "ffmpeg"), Path.Combine("/usr/local/bin", "makemkvcon") }
+        };
+    }
+
+    public static IEnumerable<object[]> NonWindowsMissingCases()
+    {
+        yield return new object[]
+        {
+            BuildPath("/usr/bin", "/opt/bin"),
+            new[] { Path.Combine("/opt/bin", "ffmpeg") },
+            "makemkvcon"
+        };
+
+        yield return new object[]
+        {
+            BuildPath("/usr/bin", "/opt/bin"),
+            new[] { Path.Combine("/usr/bin", "makemkvcon") },
+            "ffmpeg"
+        };
+
+        yield return new object[]
+        {
+            BuildPath("/opt/homebrew/bin", "/usr/local/bin"),
+            new[] { Path.Combine("/opt/homebrew/bin", "ffmpeg") },
+            "makemkvcon"
+        };
+    }
+
+    public static IEnumerable<object[]> WindowsAllPresentCases()
+    {
+        var baseDir = Path.Combine("C_Tools");
+        yield return new object[]
+        {
+            BuildPath(baseDir),
+            new[] { Path.Combine(baseDir, "makemkvcon.exe"), Path.Combine(baseDir, "ffmpeg.cmd") }
+        };
+    }
+
+    public static IEnumerable<object[]> WindowsMissingCases()
+    {
+        var baseDir = Path.Combine("C_Tools");
+        yield return new object[]
+        {
+            BuildPath(baseDir),
+            new[] { Path.Combine(baseDir, "makemkvcon.exe") },
+            "ffmpeg"
+        };
+
+        yield return new object[]
+        {
+            BuildPath(baseDir),
+            new[] { Path.Combine(baseDir, "ffmpeg.exe") },
+            "makemkvcon"
+        };
+    }
+
+    private static string BuildPath(params string[] parts)
+    {
+        return string.Join(Path.PathSeparator, parts);
+    }
+
+    private static HashSet<string> CreateSet(IEnumerable<string> paths)
+    {
+        return new HashSet<string>(paths, StringComparer.OrdinalIgnoreCase);
+    }
+}
diff --git a/src/RipSharp.Tests/Core/RipOptionsTests.cs b/src/RipSharp.Tests/Core/RipOptionsTests.cs
@@ -1,13 +1,4 @@
-using System;
-using System.IO;
-
-using AwesomeAssertions;
-
-using BugZapperLabs.RipSharp;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Core;
+namespace RipSharp.Tests.Core;
 
 public class RipOptionsTests
 {

diff --git a/src/RipSharp.Tests/GlobalUsings.cs b/src/RipSharp.Tests/GlobalUsings.cs
@@ -8,3 +8,7 @@
 global using BugZapperLabs.RipSharp.Models;
 global using BugZapperLabs.RipSharp.Services;
 global using BugZapperLabs.RipSharp.Utilities;
+
+global using NSubstitute;
+
+global using Xunit;
diff --git a/src/RipSharp.Tests/MakeMkv/MakeMkvProtocolTests.cs b/src/RipSharp.Tests/MakeMkv/MakeMkvProtocolTests.cs
@@ -1,8 +1,4 @@
-using AwesomeAssertions;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.MakeMkv;
+namespace RipSharp.Tests.MakeMkv;
 
 public class MakeMkvProtocolTests
 {

diff --git a/src/RipSharp.Tests/Metadata/MetadataServiceTests.cs b/src/RipSharp.Tests/Metadata/MetadataServiceTests.cs
@@ -1,14 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-using AwesomeAssertions;
-
-using NSubstitute;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Metadata;
+namespace RipSharp.Tests.Metadata;
 
 public class MetadataServiceTests : IDisposable
 {

diff --git a/src/RipSharp.Tests/Metadata/OmdbMetadataProviderTests.cs b/src/RipSharp.Tests/Metadata/OmdbMetadataProviderTests.cs
@@ -1,16 +1,6 @@
-using System;
 using System.Net;
-using System.Net.Http;
-using System.Threading;
-using System.Threading.Tasks;
 
-using AwesomeAssertions;
-
-using NSubstitute;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Metadata;
+namespace RipSharp.Tests.Metadata;
 
 public class OmdbMetadataProviderTests
 {

diff --git a/src/RipSharp.Tests/Metadata/TitleVariationGeneratorEdgeCasesTests.cs b/src/RipSharp.Tests/Metadata/TitleVariationGeneratorEdgeCasesTests.cs
@@ -1,8 +1,4 @@
-using System.Collections.Generic;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Metadata;
+namespace RipSharp.Tests.Metadata;
 
 public class TitleVariationGeneratorEdgeCasesTests
 {

diff --git a/src/RipSharp.Tests/Metadata/TitleVariationGeneratorTests.cs b/src/RipSharp.Tests/Metadata/TitleVariationGeneratorTests.cs
@@ -1,8 +1,4 @@
-using System.Collections.Generic;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Metadata;
+namespace RipSharp.Tests.Metadata;
 
 public class TitleVariationGeneratorTests
 {

diff --git a/src/RipSharp.Tests/Metadata/TmdbMetadataProviderTests.cs b/src/RipSharp.Tests/Metadata/TmdbMetadataProviderTests.cs
@@ -1,16 +1,6 @@
-using System;
 using System.Net;
-using System.Net.Http;
-using System.Threading;
-using System.Threading.Tasks;
 
-using AwesomeAssertions;
-
-using NSubstitute;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Metadata;
+namespace RipSharp.Tests.Metadata;
 
 public class TmdbMetadataProviderTests
 {

diff --git a/src/RipSharp.Tests/Services/DiscRipperOverallProgressTests.cs b/src/RipSharp.Tests/Services/DiscRipperOverallProgressTests.cs
@@ -1,11 +1,6 @@
-using System;
 using System.Reflection;
 
-using AwesomeAssertions;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Services;
+namespace RipSharp.Tests.Services;
 
 public class DiscRipperOverallProgressTests
 {

diff --git a/src/RipSharp.Tests/Services/DiscRipperRipSummaryTests.cs b/src/RipSharp.Tests/Services/DiscRipperRipSummaryTests.cs
@@ -1,11 +1,6 @@
-using System;
 using System.Reflection;
 
-using AwesomeAssertions;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Services;
+namespace RipSharp.Tests.Services;
 
 public class DiscRipperRipSummaryTests
 {

diff --git a/src/RipSharp.Tests/Services/DiscRipperTitleSuffixTests.cs b/src/RipSharp.Tests/Services/DiscRipperTitleSuffixTests.cs
@@ -1,17 +1,7 @@
 using System.Collections;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using System.Reflection;
-using System.Threading.Tasks;
 
-using AwesomeAssertions;
-
-using NSubstitute;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Services;
+namespace RipSharp.Tests.Services;
 
 public class DiscRipperTitleSuffixTests
 {

diff --git a/src/RipSharp.Tests/Services/DiscTypeDetectorTests.cs b/src/RipSharp.Tests/Services/DiscTypeDetectorTests.cs
@@ -1,8 +1,4 @@
-using System.Collections.Generic;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Services;
+namespace RipSharp.Tests.Services;
 
 public class DiscTypeDetectorTests
 {

diff --git a/src/RipSharp.Tests/Utilities/CursorManagerTests.cs b/src/RipSharp.Tests/Utilities/CursorManagerTests.cs
@@ -1,4 +1,4 @@
-namespace BugZapperLabs.RipSharp.Tests.Utilities;
+namespace RipSharp.Tests.Utilities;
 
 public class CursorManagerTests
 {

diff --git a/src/RipSharp.Tests/Utilities/DurationFormatterTests.cs b/src/RipSharp.Tests/Utilities/DurationFormatterTests.cs
@@ -1,8 +1,4 @@
-using AwesomeAssertions;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Utilities;
+namespace RipSharp.Tests.Utilities;
 
 public class DurationFormatterTests
 {

diff --git a/src/RipSharp.Tests/Utilities/FileNamingTests.cs b/src/RipSharp.Tests/Utilities/FileNamingTests.cs
@@ -1,10 +1,4 @@
-using System.IO;
-
-using AwesomeAssertions;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Utilities;
+namespace RipSharp.Tests.Utilities;
 
 public class FileNamingTests
 {

diff --git a/src/RipSharp.Tests/Utilities/SpectreProgressDisplayTests.cs b/src/RipSharp.Tests/Utilities/SpectreProgressDisplayTests.cs
@@ -1,11 +1,6 @@
-using System;
 using System.Reflection;
 
-using AwesomeAssertions;
-
-using Xunit;
-
-namespace BugZapperLabs.RipSharp.Tests.Utilities;
+namespace RipSharp.Tests.Utilities;
 
 public class SpectreProgressDisplayTests
 {

diff --git a/src/RipSharp/Abstractions/IMakeMkvService.cs b/src/RipSharp/Abstractions/IMakeMkvService.cs
@@ -1,7 +1,3 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace BugZapperLabs.RipSharp.Abstractions;
 
 public interface IMakeMkvService

diff --git a/src/RipSharp/Abstractions/IMetadataProvider.cs b/src/RipSharp/Abstractions/IMetadataProvider.cs
@@ -1,5 +1,3 @@
-using System.Threading.Tasks;
-
 namespace BugZapperLabs.RipSharp.Abstractions;
 
 public interface IMetadataProvider

diff --git a/src/RipSharp/Abstractions/ITvEpisodeTitleProvider.cs b/src/RipSharp/Abstractions/ITvEpisodeTitleProvider.cs
@@ -1,5 +1,3 @@
-using System.Threading.Tasks;
-
 namespace BugZapperLabs.RipSharp.Abstractions;
 
 public interface ITvEpisodeTitleProvider

diff --git a/src/RipSharp/Core/AppConfig.cs b/src/RipSharp/Core/AppConfig.cs
@@ -1,5 +1,3 @@
-using Microsoft.Extensions.Configuration;
-
 namespace BugZapperLabs.RipSharp.Core;
 
 public class AppConfig

diff --git a/src/RipSharp/Core/ConfigFileLocator.cs b/src/RipSharp/Core/ConfigFileLocator.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
 using System.Reflection;
 
 namespace BugZapperLabs.RipSharp.Core;