Fix inNamespace() errors by using NamespacedKubernetesClient

Author: claude

src/test/java/com/dajudge/kindcontainer/kubectl/KubectlApplyFluentTest.java

@@ -4,7 +4,7 @@
 import com.dajudge.kindcontainer.KubernetesContainer;
 import com.dajudge.kindcontainer.exception.ExecutionException;
 import io.fabric8.kubernetes.api.model.ConfigMap;
-import io.fabric8.kubernetes.client.KubernetesClient;
+import io.fabric8.kubernetes.client.NamespacedKubernetesClient;
 import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
@@ -89,7 +89,7 @@ public void can_interpolate_with_container_info() {
         assertInterpolates(config, k8s -> k8s.getContainerInfo().getId());
     }
 
-    private boolean serviceAccountExists(final KubernetesClient client) {
+    private boolean serviceAccountExists(final NamespacedKubernetesClient client) {
         return null != client.inNamespace("my-namespace").serviceAccounts()
                 .withName("my-service-account")
                 .get();
@@ -113,7 +113,7 @@ private void assertInterpolates(
 
     private void withK8s(
             final Function<KubernetesContainer<?>, KubernetesContainer<?>> config,
-            final BiConsumer<KubernetesContainer<?>, KubernetesClient> consumer
+            final BiConsumer<KubernetesContainer<?>, NamespacedKubernetesClient> consumer
     ) {
         try (final KubernetesContainer<?> k8s = config.apply(new ApiServerContainer<>())) {
             k8s.start();

src/test/java/com/dajudge/kindcontainer/kubectl/KubectlWaitFluentTest.java

@@ -36,7 +36,7 @@ public class KubectlWaitFluentTest {
 
     @BeforeEach
     public void before() {
-        client = new KubernetesClientBuilder().withConfig(fromKubeconfig(k8s.getKubeconfig())).build().inNamespace(namespace);
+        client = ((NamespacedKubernetesClient) new KubernetesClientBuilder().withConfig(fromKubeconfig(k8s.getKubeconfig())).build()).inNamespace(namespace);
         client.namespaces().create(new NamespaceBuilder().withNewMetadata().withName(namespace).endMetadata().build());
     }
 

src/test/java/com/dajudge/kindcontainer/util/TestUtils.java

@@ -8,6 +8,7 @@
 import io.fabric8.kubernetes.api.model.*;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.fabric8.kubernetes.client.KubernetesClientBuilder;
+import io.fabric8.kubernetes.client.NamespacedKubernetesClient;
 import org.testcontainers.shaded.com.google.common.io.Resources;
 
 import java.io.ByteArrayOutputStream;
@@ -116,7 +117,7 @@ public static String readString(final InputStream is) throws IOException {
 
     public static <T extends KubernetesContainer<T>, O> O runWithClient(
             final KubernetesContainer<?> k8s,
-            final ThrowingConsumer<KubernetesClient, Exception> consumer
+            final ThrowingConsumer<NamespacedKubernetesClient, Exception> consumer
     ) {
         return runWithClient(k8s, client -> {
             consumer.accept(client);
@@ -126,9 +127,9 @@ public static <T extends KubernetesContainer<T>, O> O runWithClient(
 
     public static <O> O runWithClient(
             final KubernetesContainer<?> k8s,
-            final ThrowingFunction<KubernetesClient, O, Exception> consumer
+            final ThrowingFunction<NamespacedKubernetesClient, O, Exception> consumer
     ) {
-        try (final KubernetesClient client = new KubernetesClientBuilder().withConfig(fromKubeconfig(k8s.getKubeconfig())).build()) {
+        try (final NamespacedKubernetesClient client = (NamespacedKubernetesClient) new KubernetesClientBuilder().withConfig(fromKubeconfig(k8s.getKubeconfig())).build()) {
             try {
                 return consumer.apply(client);
             } catch (final Exception e) {