Increase test coverage.

Author: sharpjs

PSql.Tests/Tests.Unit/AzureAuthenticationModeExtensionsTests.cs

@@ -0,0 +1,25 @@
+// Copyright Subatomix Research Inc.
+// SPDX-License-Identifier: MIT
+
+namespace PSql.Tests.Unit;
+
+using static AzureAuthenticationMode;
+
+[TestFixture]
+public class AzureAuthenticationModeExtensionsTests
+{
+    [Test]
+    [TestCase(SqlPassword         , "Sql Password"                      )]
+    [TestCase(AadPassword         , "Active Directory Password"         )]
+    [TestCase(AadIntegrated       , "Active Directory Integrated"       )]
+    [TestCase(AadInteractive      , "Active Directory Interactive"      )]
+    [TestCase(AadServicePrincipal , "Active Directory Service Principal")]
+    [TestCase(AadDeviceCodeFlow   , "Active Directory Device Code Flow" )]
+    [TestCase(AadManagedIdentity  , "Active Directory Managed Identity" )]
+    [TestCase(AadDefault          , "Active Directory Default"          )]
+    [TestCase(-1                  , null                                )]
+    public void RenderForConnectionString(AzureAuthenticationMode mode, string? value)
+    {
+        mode.RenderForConnectionString().ShouldBe(value);
+    }
+}