diff --git a/src/test/java/com/swisscom/aem/tools/impl/hops/ChildNodesTest.java b/src/test/java/com/swisscom/aem/tools/impl/hops/ChildNodesTest.java
new file mode 100644
index 0000000..5bdf2d0
--- /dev/null
+++ b/src/test/java/com/swisscom/aem/tools/impl/hops/ChildNodesTest.java
@@ -0,0 +1,95 @@
+package com.swisscom.aem.tools.impl.hops;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+import com.swisscom.aem.tools.jcrhopper.HopperException;
+import com.swisscom.aem.tools.jcrhopper.Runner;
+import com.swisscom.aem.tools.jcrhopper.RunnerBuilder;
+import com.swisscom.aem.tools.jcrhopper.config.LogLevel;
+import com.swisscom.aem.tools.jcrhopper.config.RunHandler;
+import com.swisscom.aem.tools.jcrhopper.config.Script;
+import io.wcm.testing.mock.aem.junit5.AemContext;
+import io.wcm.testing.mock.aem.junit5.AemContextExtension;
+import io.wcm.testing.mock.aem.junit5.JcrOakAemContext;
+import java.util.Collection;
+import java.util.Collections;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+@ExtendWith(AemContextExtension.class)
+class ChildNodesTest {
+
+	public final AemContext context = new JcrOakAemContext();
+	private RunnerBuilder builder;
+	private Session session;
+	private RunHandler mockRunHandler;
+
+	@BeforeEach
+	public void setUp() {
+		context.create().resource("/content");
+		context.create().resource("/content/child-1");
+		context.create().resource("/content/child-2");
+		context.create().resource("/content/third-child");
+		context.create().resource("/content/other-child");
+
+		mockRunHandler = mock(RunHandler.class);
+		builder = Runner.builder().addHop(new ChildNodes()).runHandler(mockRunHandler);
+		session = context.resourceResolver().adaptTo(Session.class);
+	}
+
+	@Test
+	public void iterate_all() throws RepositoryException, HopperException {
+		builder.build(new Script(Collections.singletonList(new ChildNodes.Config()), LogLevel.DEBUG)).run(session.getNode("/content"), true);
+
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-1 on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-2 on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node third-child on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node other-child on /content", null, null);
+	}
+
+	@Test
+	public void iterate_wildcard() throws RepositoryException, HopperException {
+		builder
+			.build(new Script(Collections.singletonList(new ChildNodes.Config().withNamePattern("*")), LogLevel.DEBUG))
+			.run(session.getNode("/content"), true);
+
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-1 on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-2 on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node third-child on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node other-child on /content", null, null);
+	}
+
+	@Test
+	public void iterate_pattern() throws RepositoryException, HopperException {
+		builder
+			.build(new Script(Collections.singletonList(new ChildNodes.Config().withNamePattern("child-*")), LogLevel.DEBUG))
+			.run(session.getNode("/content"), true);
+
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-1 on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-2 on /content", null, null);
+		verify(mockRunHandler, never()).log(LogLevel.DEBUG, "Found child node third-child on /content", null, null);
+		verify(mockRunHandler, never()).log(LogLevel.DEBUG, "Found child node other-child on /content", null, null);
+	}
+
+	@Test
+	public void iterate_union() throws RepositoryException, HopperException {
+		builder
+			.build(
+				new Script(
+					Collections.singletonList(new ChildNodes.Config().withNamePattern("child-* | third-child")),
+					LogLevel.DEBUG
+				)
+			)
+			.run(session.getNode("/content"), true);
+
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-1 on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node child-2 on /content", null, null);
+		verify(mockRunHandler).log(LogLevel.DEBUG, "Found child node third-child on /content", null, null);
+		verify(mockRunHandler, never()).log(LogLevel.DEBUG, "Found child node other-child on /content", null, null);
+	}
+}