Nullable annotations for unit test project

Author: linkdotnet

src/LinkDotNet.Blog.Domain/Enumeration.cs

@@ -20,10 +20,10 @@ protected Enumeration(string key)
 
     public string Key { get; }
 
-    public static bool operator ==(Enumeration<TEnumeration> a, Enumeration<TEnumeration> b)
+    public static bool operator ==(Enumeration<TEnumeration>? a, Enumeration<TEnumeration>? b)
         => a is not null && b is not null && a.Key.Equals(b.Key, StringComparison.Ordinal);
 
-    public static bool operator !=(Enumeration<TEnumeration> a, Enumeration<TEnumeration> b) => !(a == b);
+    public static bool operator !=(Enumeration<TEnumeration>? a, Enumeration<TEnumeration>? b) => !(a == b);
 
     public static TEnumeration Create(string key)
         => All.SingleOrDefault(p => p.Key == key)

tests/LinkDotNet.Blog.TestUtilities/ApplicationConfigurationBuilder.cs

@@ -67,13 +67,13 @@ public ApplicationConfigurationBuilder WithIsDisqusEnabled(bool isDisqusEnabled)
         return this;
     }
 
-    public ApplicationConfigurationBuilder WithKofiToken(string kofiToken)
+    public ApplicationConfigurationBuilder WithKofiToken(string? kofiToken)
     {
         this.kofiToken = kofiToken;
         return this;
     }
 
-    public ApplicationConfigurationBuilder WithGithubSponsorName(string githubSponsorName)
+    public ApplicationConfigurationBuilder WithGithubSponsorName(string? githubSponsorName)
     {
         this.githubSponsorName = githubSponsorName;
         return this;
@@ -85,7 +85,7 @@ public ApplicationConfigurationBuilder WithShowReadingIndicator(bool showReading
         return this;
     }
 
-    public ApplicationConfigurationBuilder WithPatreonName(string patreonName)
+    public ApplicationConfigurationBuilder WithPatreonName(string? patreonName)
     {
         this.patreonName = patreonName;
         return this;

tests/LinkDotNet.Blog.TestUtilities/BlogPostBuilder.cs

@@ -40,7 +40,7 @@ public BlogPostBuilder WithPreviewImageUrl(string url)
         return this;
     }
 
-    public BlogPostBuilder WithPreviewImageUrlFallback(string url)
+    public BlogPostBuilder WithPreviewImageUrlFallback(string? url)
     {
         previewImageUrlFallback = url;
         return this;

tests/LinkDotNet.Blog.TestUtilities/IntroductionBuilder.cs

@@ -8,7 +8,7 @@ public class IntroductionBuilder
     private string profilePictureUrl = "ProfilePictureUrl";
     private string description = "Description";
 
-    public IntroductionBuilder WithBackgroundUrl(string backgroundUrl)
+    public IntroductionBuilder WithBackgroundUrl(string? backgroundUrl)
     {
         this.backgroundUrl = backgroundUrl;
         return this;

tests/LinkDotNet.Blog.TestUtilities/SkillBuilder.cs

@@ -15,7 +15,7 @@ public SkillBuilder WithSkillName(string skill)
         return this;
     }
 
-    public SkillBuilder WithIconUrl(string iconUrl)
+    public SkillBuilder WithIconUrl(string? iconUrl)
     {
         this.iconUrl = iconUrl;
         return this;

tests/LinkDotNet.Blog.UnitTests/Domain/EnumerationTests.cs

@@ -55,9 +55,9 @@ public void GivenInvalidKey_WhenCreatingEnumeration_ThenErrorResult()
     [InlineData(null)]
     [InlineData("")]
     [InlineData("  ")]
-    public void GivenNullOrEmptyKey_WhenCreating_ThenException(string key)
+    public void GivenNullOrEmptyKey_WhenCreating_ThenException(string? key)
     {
-        Action result = () => new TestEnumeration(key);
+        Action result = () => new TestEnumeration(key!);
 
         // Assert
         result.ShouldThrow<ArgumentException>();
@@ -66,7 +66,7 @@ public void GivenNullOrEmptyKey_WhenCreating_ThenException(string key)
     [Fact]
     public void NullEnumerationNeverEqual()
     {
-        var isEqual = null == (TestEnumeration)null;
+        var isEqual = null! == (TestEnumeration?)null;
 
         isEqual.ShouldBeFalse();
     }

tests/LinkDotNet.Blog.UnitTests/Domain/ProficiencyLevelTests.cs

@@ -20,9 +20,9 @@ public void ShouldCreateValidLevels(string key)
         [InlineData("NotALevel")]
         [InlineData("")]
         [InlineData(null)]
-        public void ShouldNotCreateInvalidLevels(string key)
+        public void ShouldNotCreateInvalidLevels(string? key)
         {
-            Action act = () => ProficiencyLevel.Create(key);
+            Action act = () => ProficiencyLevel.Create(key!);
 
             act.ShouldThrow<Exception>();
         }

tests/LinkDotNet.Blog.UnitTests/Domain/ProfileInformationEntryTests.cs

@@ -18,9 +18,9 @@ public void ShouldCreateObject()
     [InlineData("")]
     [InlineData(" ")]
     [InlineData(null)]
-    public void ShouldThrowExceptionWhenEmptyKeyOrValue(string content)
+    public void ShouldThrowExceptionWhenEmptyKeyOrValue(string? content)
     {
-        Action act = () => ProfileInformationEntry.Create(content, 0);
+        Action act = () => ProfileInformationEntry.Create(content!, 0);
 
         act.ShouldThrow<ArgumentException>();
     }

tests/LinkDotNet.Blog.UnitTests/Domain/SkillTests.cs

@@ -20,9 +20,9 @@ public void ShouldCreateSkillTrimmedWhitespaces()
     [InlineData(null)]
     [InlineData("")]
     [InlineData(" ")]
-    public void ShouldThrowWhenWhitespaceName(string name)
+    public void ShouldThrowWhenWhitespaceName(string? name)
     {
-        Action result = () => Skill.Create(name, "url", "backend", ProficiencyLevel.Expert.Key);
+        Action result = () => Skill.Create(name!, "url", "backend", ProficiencyLevel.Expert.Key);
 
         result.ShouldThrow<ArgumentException>();
     }
@@ -31,9 +31,9 @@ public void ShouldThrowWhenWhitespaceName(string name)
     [InlineData(null)]
     [InlineData("")]
     [InlineData(" ")]
-    public void ShouldThrowWhenWhitespaceCapability(string capability)
+    public void ShouldThrowWhenWhitespaceCapability(string? capability)
     {
-        Action result = () => Skill.Create("name", "url", capability, ProficiencyLevel.Expert.Key);
+        Action result = () => Skill.Create("name", "url", capability!, ProficiencyLevel.Expert.Key);
 
         result.ShouldThrow<ArgumentException>();
     }
@@ -49,7 +49,7 @@ public void ShouldThrowWhenInvalidProficiencyLevel()
     [InlineData(null)]
     [InlineData("")]
     [InlineData(" ")]
-    public void ShouldSetUrlToNullWhenWhitespace(string url)
+    public void ShouldSetUrlToNullWhenWhitespace(string? url)
     {
         var skill = Skill.Create("name", url, "cap", ProficiencyLevel.Expert.Key);
 
@@ -71,7 +71,7 @@ public void ShouldThrowWhenProficiencyIsNull()
     {
         var skill = Skill.Create("name", null, "cap", ProficiencyLevel.Familiar.Key);
 
-        Action result = () => skill.SetProficiencyLevel(null);
+        Action result = () => skill.SetProficiencyLevel(null!);
 
         result.ShouldThrow<ArgumentNullException>();
     }

tests/LinkDotNet.Blog.UnitTests/Domain/TalkTests.cs

@@ -26,9 +26,9 @@ public void CreateTalkWithTrimmedWhiteSpaces()
     [InlineData("title", "place", null)]
     [InlineData("title", "place", "")]
     [InlineData("title", "place", " ")]
-    public void TalkWithInvalidInvariantShouldNotBeCreated(string title, string place, string desc)
+    public void TalkWithInvalidInvariantShouldNotBeCreated(string? title, string? place, string? desc)
     {
-        Action act = () => Talk.Create(title, place, desc, DateTime.MinValue);
+        Action act = () => Talk.Create(title!, place!, desc!, DateTime.MinValue);
 
         act.ShouldThrow<Exception>();
     }