Use the test project in the missing test tool (#2308)

* Use the test project in the missing test tool

* use var

* fix

Author: kblok

lib/PuppeteerSharp.Tooling/IdentifyMissingTests.cs

@@ -28,6 +28,7 @@
 using System.Linq;
 using System.Reflection;
 using PuppeteerSharp.Nunit;
+using PuppeteerSharp.Tests;
 
 namespace PuppeteerSharp.Tooling
 {
@@ -54,26 +55,24 @@ public static void Run(IdentifyMissingTestsOptions options)
             // let's map the test cases from the spec files
             MapTestsCases(directoryInfo, options, string.Empty);
 
-            // now, let's load the DLL and use some reflection-fu
-            var assembly = Assembly.LoadFrom(options.TestsAssemblyPath);
-
-            var attributes = assembly.DefinedTypes.SelectMany(
-                type => type.GetMethods().SelectMany(method => method.GetCustomAttributes<PuppeteerTestAttribute>()));
-
             var potentialMatches = 0;
             var fullMatches = 0;
             var noMatches = 0;
             var totalTests = 0;
 
             List<PuppeteerTestAttribute> missingTests = new();
             List<KeyValuePair<PuppeteerTestAttribute, List<PuppeteerTestAttribute>>> invalidMaps = new();
+
+            var attributes = new ScreenshotHelper().GetType().Assembly .DefinedTypes.SelectMany(
+                type => type.GetMethods().SelectMany(method => method.GetCustomAttributes<PuppeteerTestAttribute>()));
+
             foreach (var x in _testPairs)
             {
                 totalTests++;
 
                 // a test can either be a full match, a partial (i.e. just the test name) or no match
                 var potentialMatch = attributes.Where(atx => string.Equals(x.TestName, atx.TestName, StringComparison.InvariantCultureIgnoreCase))
-                                               .Where(atx => string.Equals(x.Describe, atx.Describe, StringComparison.InvariantCultureIgnoreCase));
+                                            .Where(atx => string.Equals(x.Describe, atx.Describe, StringComparison.InvariantCultureIgnoreCase));
                 if (!potentialMatch.Any())
                 {
                     noMatches++;

lib/PuppeteerSharp.Tooling/Options/IdentifyMissingTestsOptions.cs

@@ -32,9 +32,6 @@ namespace PuppeteerSharp.Tooling
     [Verb("missing-tests", HelpText = "Checks if there are missing tests in the C# variant, compared to the specs.")]
     internal class IdentifyMissingTestsOptions
     {
-        [Option(Required = true, HelpText = "Location of the PuppeteerShar.Tests assembly.")]
-        public string TestsAssemblyPath { get; set; }
-
         [Option(Required = true, HelpText = "Location of spec files.")]
         public string SpecFileLocations { get; set; }
 

lib/PuppeteerSharp.Tooling/Program.cs

@@ -33,7 +33,7 @@ internal static class Program
     {
         internal static void Main(string[] args)
         {
-            ParserResult<object> result = Parser.Default.ParseArguments<ScaffoldTestOptions, IdentifyMissingTestsOptions>(args);
+            var result = Parser.Default.ParseArguments<ScaffoldTestOptions, IdentifyMissingTestsOptions>(args);
             result.WithParsed<ScaffoldTestOptions>(ScaffoldTest.Run);
             result.WithParsed<IdentifyMissingTestsOptions>(IdentifyMissingTests.Run);
         }

lib/PuppeteerSharp.Tooling/PuppeteerSharp.Tooling.csproj

@@ -20,5 +20,6 @@
 	</ItemGroup>
 	<ItemGroup>
 		<ProjectReference Include="..\PuppeteerSharp.Nunit\PuppeteerSharp.Nunit.csproj" />
+		<ProjectReference Include="..\PuppeteerSharp.Tests\PuppeteerSharp.Tests.csproj" />
 	</ItemGroup>
 </Project>