Discover Repeat collections and compatible Components in both hosts

integration-fixtures/preview/classpath/app/src/main/java/fixture/components/WrongRepeatCard.java

@@ -0,0 +1,11 @@
+package fixture.components;
+
+public class WrongRepeatCard extends javafx.scene.layout.VBox {
+  static {
+    System.setProperty("fixture.repeat.initialized", "yes");
+  }
+
+  public javafx.beans.property.ObjectProperty<Object> modelProperty() {
+    throw new AssertionError("Discovery invoked Component");
+  }
+}

integration-fixtures/preview/classpath/app/src/main/resources/fixture/components/WrongRepeatCard.fxml

@@ -0,0 +1 @@
+<?neitzel-model fixture.model.Person?><fx:root xmlns:fx="http://javafx.com/fxml/1" type="javafx.scene.layout.VBox"/>

integration-fixtures/preview/classpath/app/src/test/java/fixture/checks/PreviewChecks.java

@@ -178,6 +178,49 @@ public final class PreviewChecks {
               "fixture.replacement.initialized",
               "fixture.badgecard.initialized"))
         check(System.getProperty(key) == null, "Discovery initialized " + key);
+      try (var in = loader.getResourceAsStream("fixture/components/Full.fxml")) {
+        String full = new String(in.readAllBytes(), java.nio.charset.StandardCharsets.UTF_8);
+        var repeat = BindingDiscovery.inspect(full, "visits", "view", loader);
+        check(
+            repeat.collections().stream()
+                .anyMatch(c -> c.name().equals("visits") && c.status().equals("COMPATIBLE")),
+            "Repeat collection absent");
+        check(
+            repeat.components().stream()
+                .anyMatch(
+                    c ->
+                        c.name().equals("fixture.components.AddressForm")
+                            && c.status().equals("COMPATIBLE")),
+            "Repeat Component absent");
+        check(
+            repeat.components().stream()
+                .anyMatch(
+                    c ->
+                        c.name().equals("fixture.components.WrongRepeatCard")
+                            && c.status().equals("INCOMPATIBLE")),
+            "Wrong Repeat Model accepted");
+        check(
+            repeat.panes().stream()
+                .anyMatch(c -> c.name().equals("visits") && c.status().equals("COMPATIBLE")),
+            "Repeat pane absent");
+        check(repeat.problems().isEmpty(), "Valid Repeat rejected: " + repeat.problems());
+        var bad =
+            BindingDiscovery.inspect(
+                full.replace(
+                    "component=\"fixture.components.AddressForm\"",
+                    "component=\"fixture.components.WrongRepeatCard\""),
+                "visits",
+                "view",
+                loader);
+        check(
+            bad.problems().stream()
+                .anyMatch(
+                    p -> p.severity().equals("ERROR") && p.message().contains("incompatible")),
+            "Repeat mismatch not diagnosed");
+        check(
+            System.getProperty("fixture.repeat.initialized") == null,
+            "Component discovery initialized class");
+      }
       System.out.println("PASS bindings " + checks);
       return;
     }