tests(git-provider): Add fact tests for empty name registrations

tests/ModuleTests/Git/AddRegistrationTests.cs

@@ -33,4 +33,45 @@ public class AddRegistrationTests
 
 		return Verify(sb, Settings);
 	}
+
+	[Fact]
+	public void RepoRegistrationWithEmptyName()
+	{
+		Settings.UseFileName(nameof(RepoRegistrationWithEmptyName));
+
+		var gitManager = GitManager.InternalFreshInstance;
+		var testRepoAbsolutePath = "Test:/some/test/repo";
+
+		var emptyName = gitManager.RegisterRepo(testRepoAbsolutePath, "");
+
+		Assert.Equal("repo", emptyName);
+	}
+
+	[Fact]
+	public void RepoRegistrationWithNullName()
+	{
+		Settings.UseFileName(nameof(RepoRegistrationWithNullName));
+
+		var gitManager = GitManager.InternalFreshInstance;
+		var testRepoAbsolutePath = "Test:/some/test/repo";
+
+		// Name is technically not-nullable, but string is a reference type so null can be passed in so we should test
+		// it regardless
+		var nullName = gitManager.RegisterRepo(testRepoAbsolutePath, null!);
+
+		Assert.Equal("repo", nullName);
+	}
+
+	[Fact]
+	public void RepoRegistrationWithWhitespaceName()
+	{
+		Settings.UseFileName(nameof(RepoRegistrationWithWhitespaceName));
+
+		var gitManager = GitManager.InternalFreshInstance;
+		var testRepoAbsolutePath = "Test:/some/test/repo";
+
+		var whitespaceName = gitManager.RegisterRepo(testRepoAbsolutePath, "            ");
+
+		Assert.Equal("repo", whitespaceName);
+	}
 }