Add unit test

modules/docs/test/Volo.Docs.Admin.Application.Tests/Volo/Docs/ProjectAdminAppService_Tests.cs

@@ -45,7 +45,7 @@ namespace Volo.Docs
             var createProjectDto = new CreateProjectDto
             {
                 Name = "ABP vNext",
-                ShortName = "ABP",
+                ShortName = "ABPvNext",
                 Format = "md",
                 DefaultDocumentName = "index",
                 NavigationDocumentName = "docs-nav.json",
@@ -120,5 +120,32 @@ namespace Volo.Docs
 
             (await _projectRepository.GetListAsync()).ShouldBeEmpty();
         }
+
+        [Fact]
+        public async Task Should_Throw_ProjectShortNameAlready_Exception_For_Duplicate_ShortName()
+        {
+            var createProjectDto = new CreateProjectDto
+            {
+                Name = "ABP vNext",
+                ShortName = "ABP",
+                Format = "md",
+                DefaultDocumentName = "index",
+                NavigationDocumentName = "docs-nav.json",
+                ParametersDocumentName = "docs-params.json",
+                MinimumVersion = "1",
+                MainWebsiteUrl = "abp.io",
+                LatestVersionBranchName = "",
+                DocumentStoreType = "GitHub",
+                ExtraProperties = new Dictionary<string, object>()
+            };
+            createProjectDto.ExtraProperties.Add("GitHubRootUrl",
+                "https://github.com/abpframework/abp/tree/{version}/docs/en/");
+            createProjectDto.ExtraProperties.Add("GitHubAccessToken", "123456");
+            createProjectDto.ExtraProperties.Add("GitHubUserAgent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64)");
+
+            //Act
+            await Assert.ThrowsAsync<ProjectShortNameAlreadyExistsException>(() =>
+                _projectAdminAppService.CreateAsync(createProjectDto));
+        }
     }
 }