More tests.

Author: JohanLarsson

AspNetCoreAnalyzers.Tests/Helpers/UrlTemplateTests.cs

@@ -8,9 +8,11 @@ namespace AspNetCoreAnalyzers.Tests.Helpers
     public class UrlTemplateTests
     {
         [TestCase("{id}/info", new[] { "{id}", "info" })]
+        [TestCase("{id?}/info", new[] { "{id?}", "info" })]
+        [TestCase("{id:int}/info", new[] { "{id:int}", "info" })]
         [TestCase("api/orders/{id}", new[] { "api", "orders", "{id}" })]
         [TestCase("api/orders/{id}/info", new[] { "api", "orders", "{id}", "info" })]
-        public void TryParse(string text, string[] expected)
+        public void TryParseWhenInt(string text, string[] expected)
         {
             var syntaxTree = CSharpSyntaxTree.ParseText(@"
 namespace ValidCode
@@ -35,5 +37,32 @@ public async Task<IActionResult> GetOrder([FromRoute]int id)
             var parameter = template.Path.Single(x => x.Parameter.HasValue).Parameter.Value;
             Assert.AreEqual("id", parameter.Name.Text);
         }
+
+        [TestCase("orders/{id:alpha}", new[] { "orders", "{id:alpha}" })]
+        public void TryParseWhenString(string text, string[] expected)
+        {
+            var syntaxTree = CSharpSyntaxTree.ParseText(@"
+namespace ValidCode
+{
+    using System.Threading.Tasks;
+    using Microsoft.AspNetCore.Mvc;
+
+    [ApiController]
+    public class OrdersController : Controller
+    {
+        [HttpGet(""orders/{id:alpha}"")]
+        public async Task<IActionResult> GetOrder(string id)
+        {
+        }
+    }
+}".AssertReplace("api/orders/{id}", text));
+            var literal = syntaxTree.FindLiteralExpression(text);
+            Assert.AreEqual(true, UrlTemplate.TryParse(literal, out var template));
+            CollectionAssert.AreEqual(expected, template.Path.Select(x => x.Text.Text));
+
+            // ReSharper disable once PossibleInvalidOperationException
+            var parameter = template.Path.Single(x => x.Parameter.HasValue).Parameter.Value;
+            Assert.AreEqual("id", parameter.Name.Text);
+        }
     }
 }