Add nodes bundle

app/src/main/java/com/annimon/hotarufx/bundles/NodesBundle.java

@@ -0,0 +1,27 @@
+package com.annimon.hotarufx.bundles;
+
+import com.annimon.hotarufx.lib.Context;
+import com.annimon.hotarufx.lib.Function;
+import com.annimon.hotarufx.lib.NodeValue;
+import com.annimon.hotarufx.lib.Validator;
+import com.annimon.hotarufx.visual.objects.CircleNode;
+import com.annimon.hotarufx.visual.objects.ObjectNode;
+import java.util.function.Supplier;
+import lombok.val;
+
+public class NodesBundle implements Bundle {
+
+    @Override
+    public void load(Context context) {
+        context.functions().put("circle", node(CircleNode::new));
+    }
+
+    private Function node(Supplier<? extends ObjectNode> supplier) {
+        return args -> {
+            val map = Validator.with(args).requireMapAt(0);
+            val node = new NodeValue(supplier.get());
+            node.fill(map);
+            return node;
+        };
+    }
+}

app/src/test/java/com/annimon/hotarufx/bundles/NodesBundleTest.java

@@ -0,0 +1,47 @@
+package com.annimon.hotarufx.bundles;
+
+import com.annimon.hotarufx.lib.Context;
+import com.annimon.hotarufx.lib.MapValue;
+import com.annimon.hotarufx.lib.NodeValue;
+import com.annimon.hotarufx.lib.NumberValue;
+import com.annimon.hotarufx.lib.StringValue;
+import com.annimon.hotarufx.lib.Value;
+import com.annimon.hotarufx.visual.objects.CircleNode;
+import java.util.Arrays;
+import java.util.HashMap;
+import javafx.scene.paint.Color;
+import lombok.val;
+import org.junit.jupiter.api.Test;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+
+class NodesBundleTest {
+
+    @Test
+    void testBundle() {
+        val context = new Context();
+        BundleLoader.load(context, Arrays.asList(
+                CompositionBundle.class,
+                NodesBundle.class
+        ));
+
+        assertThat(context.functions(), hasKey("circle"));
+
+        val map = new HashMap<String, Value>();
+        map.put("cx", NumberValue.of(-10));
+        map.put("radius", NumberValue.of(50));
+        map.put("fill", new StringValue("#00AA00"));
+        val value = context.functions().get("circle").execute(new MapValue(map));
+
+        assertThat(value, instanceOf(NodeValue.class));
+
+        val nodeValue = (NodeValue) value;
+        assertThat(nodeValue.getNode(), notNullValue());
+        assertThat(nodeValue.getNode(), instanceOf(CircleNode.class));
+
+        val circle = (CircleNode) nodeValue.getNode();
+        assertThat(circle.circle.getCenterX(), closeTo(-10, 0.001));
+        assertThat(circle.circle.getRadius(), closeTo(50, 0.001));
+        assertThat(circle.circle.getFill(), is(Color.web("#00AA00")));
+    }
+}