Add unit tests for dkim selector

nager · Jan 21, 2025 · af233b7 · af233b7
1 parent 18c63e8
commit af233b7
Showing 1 changed file with 34 additions and 0 deletions.
diff --git a/src/Nager.EmailAuthentication.UnitTest/DkimHeaderParserTests/SelectorTest.cs b/src/Nager.EmailAuthentication.UnitTest/DkimHeaderParserTests/SelectorTest.cs
@@ -0,0 +1,34 @@
+namespace Nager.EmailAuthentication.UnitTest.DkimHeaderParserTests
+{
+    [TestClass]
+    public sealed class SelectorTest
+    {
+        [DataRow("selector1")]
+        [DataRow("selector2")]
+        [DataRow("google")]
+        [DataTestMethod]
+        public void TryParse_ValidVersionDkimHeaderString_ReturnsTrueAndPopulatesDataFragment(string selector)
+        {
+            var dkimHeader = $"v=1; a=rsa-sha256; d=domain.com; s={selector}; h=message-id:from; bh=testbodyhash=; b=signaturedata";
+
+            var isSuccessful = DkimHeaderParser.TryParse(dkimHeader, out var dkimHeaderDataFragment, out var parseErrors);
+
+            Assert.IsTrue(isSuccessful);
+            Assert.IsNotNull(dkimHeaderDataFragment);
+            Assert.IsNull(parseErrors, "ParseErrors is not null");
+        }
+
+        [DataRow("verylongandinvalidselectorverylongandinvalidselectorverylongandinvalidselector")]
+        [DataTestMethod]
+        public void TryParse_InvalidVersionDkimHeaderString_ReturnsTrueAndPopulatesDataFragment(string selector)
+        {
+            var dkimHeader = $"v=1; a=rsa-sha256; d=domain.com; s={selector}; h=message-id:from; bh=testbodyhash=; b=signaturedata";
+
+            var isSuccessful = DkimHeaderParser.TryParse(dkimHeader, out var dkimHeaderDataFragment, out var parseErrors);
+
+            Assert.IsTrue(isSuccessful);
+            Assert.IsNotNull(dkimHeaderDataFragment);
+            Assert.IsNotNull(parseErrors, "ParseErrors is null");
+        }
+    }
+}