Add some basic option mapper tests to catch source gen errors

test/Velopack.CommandLine.Tests/OptionMapperTests.cs

@@ -0,0 +1,36 @@
+using System.CommandLine;
+using Velopack.Deployment;
+using Velopack.Vpk;
+using Velopack.Vpk.Commands.Deployment;
+
+namespace Velopack.CommandLine.Tests;
+
+public class OptionMapperTests
+{
+    [Fact]
+    public void MapRid()
+    {
+        Assert.True(OptionMapper.Map<RID>("win-x64") == RID.Parse("win-x64"));
+    }
+
+    [Fact]
+    public void MapDirectory()
+    {
+        Assert.Equal("C:\\hello", OptionMapper.Map<DirectoryInfo>("C:\\hello").FullName);
+    }
+
+    [Fact]
+    public void MapCommand()
+    {
+        AzureUploadCommand command = new();
+        string cli = $"--account \"account-name\" --key \"shhhh\" --endpoint \"https://endpoint\" --container \"mycontainer\"";
+        ParseResult parseResult = command.ParseAndApply(cli);
+        var options = OptionMapper.Map<AzureUploadOptions>(command);
+
+        Assert.Empty(parseResult.Errors);
+        Assert.Equal("account-name", options.Account);
+        Assert.Equal("shhhh", options.Key);
+        Assert.Equal("https://endpoint/", options.Endpoint);
+        Assert.Equal("mycontainer", options.Container);
+    }
+}