Throw SkipException to make it more clear which unit tests are skipped.

Author: dlemstra

tests/Magick.NET.Tests/Coders/TheEpsCoder.cs

@@ -3,6 +3,7 @@
 
 using ImageMagick;
 using Xunit;
+using Xunit.Sdk;
 
 namespace Magick.NET.Tests;
 
@@ -12,7 +13,7 @@ public partial class TheEpsCoder
     public void ShouldReadTwoImages()
     {
         if (!Ghostscript.IsAvailable)
-            return;
+            throw SkipException.ForSkip("Ghostscript is not available");
 
         using var images = new MagickImageCollection(Files.Coders.SwedenHeartEPS);
 
@@ -31,7 +32,7 @@ public void ShouldReadTwoImages()
     public void ShouldReadMonoChromeImageWhenUseMonochromeIsTrue()
     {
         if (!Ghostscript.IsAvailable)
-            return;
+            throw SkipException.ForSkip("Ghostscript is not available");
 
         var settings = new MagickReadSettings
         {
@@ -52,7 +53,7 @@ public void ShouldReadMonoChromeImageWhenUseMonochromeIsTrue()
     public void ShouldReadClipPathsInTiffPreview()
     {
         if (!Ghostscript.IsAvailable)
-            return;
+            throw SkipException.ForSkip("Ghostscript is not available");
 
         using var images = new MagickImageCollection(Files.Coders.SwedenHeartEPS);
 

tests/Magick.NET.Tests/Coders/ThePdfCoder.cs

@@ -4,6 +4,7 @@
 using System.Threading.Tasks;
 using ImageMagick;
 using Xunit;
+using Xunit.Sdk;
 
 namespace Magick.NET.Tests;
 
@@ -13,7 +14,7 @@ public partial class ThePdfCoder
     public async Task ShouldReadFileMultithreadedCorrectly()
     {
         if (!Ghostscript.IsAvailable)
-            return;
+            throw SkipException.ForSkip("Ghostscript is not available");
 
         var results = new Task[3];
 
@@ -40,7 +41,7 @@ public async Task ShouldReadFileMultithreadedCorrectly()
     public void ShouldReturnTheCorrectFormatForAiFile()
     {
         if (!Ghostscript.IsAvailable)
-            return;
+            throw SkipException.ForSkip("Ghostscript is not available");
 
         using var image = new MagickImage(Files.Coders.CartoonNetworkStudiosLogoAI);
 

tests/Magick.NET.Tests/Formats/Pdf/PdfInfoTests/TheCreateMethod.cs

@@ -6,6 +6,7 @@
 using ImageMagick;
 using ImageMagick.Formats;
 using Xunit;
+using Xunit.Sdk;
 
 namespace Magick.NET.Tests;
 
@@ -56,7 +57,7 @@ public void ShouldThrowExceptionWhenPasswordIsNull()
             public void ShouldThrowExceptionWhenFileIsPng()
             {
                 if (!Ghostscript.IsAvailable)
-                    return;
+                    throw SkipException.ForSkip("Ghostscript is not available");
 
                 MagickErrorException? exception = null;
 

tests/Magick.NET.Tests/Formats/Pdf/PdfInfoTests/ThePageCountProperty.cs

@@ -3,6 +3,7 @@
 
 using ImageMagick.Formats;
 using Xunit;
+using Xunit.Sdk;
 
 namespace Magick.NET.Tests;
 
@@ -14,7 +15,7 @@ public class ThePageCountProperty
         public void ShouldReturnTheNumberOfPages()
         {
             if (!Ghostscript.IsAvailable)
-                return;
+                throw SkipException.ForSkip("Ghostscript is not available");
 
             var pdfInfo = PdfInfo.Create(Files.Coders.SamplePDF);
             Assert.Equal(2U, pdfInfo.PageCount);
@@ -24,7 +25,7 @@ public void ShouldReturnTheNumberOfPages()
         public void ShouldReturnTheNumberOfPagesForPasswordProtectedFile()
         {
             if (!Ghostscript.IsAvailable)
-                return;
+                throw SkipException.ForSkip("Ghostscript is not available");
 
             var pdfInfo = PdfInfo.Create(Files.Coders.PdfExamplePasswordOriginalPDF, "test");
             Assert.Equal(4U, pdfInfo.PageCount);

tests/Magick.NET.Tests/Formats/Pdf/PdfReadDefinesTests/TheFitPageProperty.cs

@@ -4,6 +4,7 @@
 using ImageMagick;
 using ImageMagick.Formats;
 using Xunit;
+using Xunit.Sdk;
 
 namespace Magick.NET.Tests;
 
@@ -39,7 +40,7 @@ public void ShouldNotSetTheDefineWhenValueIsNotSet()
         public void ShouldLimitTheDimensions()
         {
             if (!Ghostscript.IsAvailable)
-                return;
+                throw SkipException.ForSkip("Ghostscript is not available");
 
             var settings = new MagickReadSettings
             {

tests/Magick.NET.Tests/Formats/Pdf/PdfReadDefinesTests/ThePasswordProperty.cs

@@ -41,7 +41,7 @@ public void ShouldNotSetTheDefineWhenValueIsNotSet()
         public void ShouldUseThePasswordToReadTheImage()
         {
             if (!Ghostscript.IsAvailable)
-                return;
+                throw SkipException.ForSkip("Ghostscript is not available");
 
             var settings = new MagickReadSettings
             {
@@ -62,7 +62,7 @@ public void ShouldUseThePasswordToReadTheImage()
         public void ShouldNotBeAbleToOpenFileWithNullPassword()
         {
             if (!Ghostscript.IsAvailable)
-                return;
+                throw SkipException.ForSkip("Ghostscript is not available");
 
             var settings = new MagickReadSettings
             {

tests/Magick.NET.Tests/MagickImageTests/TheReadMethod.cs

@@ -6,6 +6,7 @@
 using System.Text;
 using ImageMagick;
 using Xunit;
+using Xunit.Sdk;
 
 namespace Magick.NET.Tests;
 
@@ -487,7 +488,7 @@ public void ShouldNotUseBaseDirectoryOfCurrentAppDomainWhenFileNameIsTilde()
             public void ShouldReadAIFromNonSeekableStream()
             {
                 if (!Ghostscript.IsAvailable)
-                    return;
+                    throw SkipException.ForSkip("Ghostscript is not available");
 
                 using var stream = new NonSeekableStream(Files.Coders.CartoonNetworkStudiosLogoAI);
                 using var image = new MagickImage();