fix training data collection (wip)

Schafkopf.Training.Tests/EnvTests.cs

@@ -0,0 +1,49 @@
+using Schafkopf.Lib;
+
+namespace Schafkopf.Training.Tests;
+
+public class CardPickerEnvTests
+{
+    [Fact]
+    public void Test_CanPlayGame()
+    {
+        var rules = new GameRules();
+        var cardCache = new Card[8];
+        var rng = new Random();
+
+        var env = new CardPickerEnv();
+        var state = env.Reset();
+        foreach (int i in Enumerable.Range(0, 32))
+        {
+            var possActions = rules.PossibleCards(state, cardCache);
+            var action = possActions[rng.Next(possActions.Length)];
+            (state, var __, var ___) = env.Step(action);
+            Assert.Equal(i+1, state.CardCount);
+        }
+
+        Assert.Equal(32, state.CardCount); // assert that no exception occurred
+    }
+
+    [Fact(Skip="raises error (needs to be fixed)")]
+    public void Test_CanPlayConsequtiveGames()
+    {
+        var rules = new GameRules();
+        var cardCache = new Card[8];
+        var rng = new Random();
+        var env = new CardPickerEnv();
+
+        foreach (int _ in Enumerable.Range(0, 1000))
+        {
+            var state = env.Reset();
+            foreach (int i in Enumerable.Range(0, 32))
+            {
+                var possActions = rules.PossibleCards(state, cardCache);
+                var action = possActions[rng.Next(possActions.Length)];
+                (state, var __, var ___) = env.Step(action);
+                Assert.Equal(i+1, state.CardCount);
+            }
+
+            Assert.Equal(32, state.CardCount); // assert that no exception occurred
+        }
+    }
+}