Basics for automated test.

org.jdrupes.vmoperator.manager/build.gradle

@@ -21,6 +21,8 @@ dependencies {
     
     runtimeOnly 'com.electronwill.night-config:yaml:3.6.6'    
     runtimeOnly 'org.slf4j:slf4j-jdk14:[2.0.7,3)'
+    
+    testImplementation 'io.fabric8:kubernetes-client:6.8.1'
 }
 
 application {
@@ -75,3 +77,18 @@ task pushImages {
     dependsOn pushLatestImage
 }
 
+test {
+    enabled = project.hasProperty("k8s.testCluster")
+
+    dependsOn project.tasks["pushImages"]
+
+    useJUnitPlatform()
+
+    testLogging {
+        showStandardStreams = true
+    }
+    
+    systemProperty "k8s.testCluster", project.hasProperty("k8s.testCluster")
+        ? project.getProperty("k8s.testCluster") : null
+}
+

org.jdrupes.vmoperator.manager/test-resources/unittest-vm.yaml

@@ -0,0 +1,35 @@
+apiVersion: "vmoperator.jdrupes.org/v1"
+kind: VirtualMachine
+metadata:
+  namespace: vmop-dev
+  name: unittest-vm
+spec:
+  resources:
+    requests:
+      cpu: 1
+      memory: 2Gi
+    
+  loadBalancerService:
+    labels:
+      test2: null
+      test3: added
+
+  vm:
+    # state: Running
+    maximumRam: 4Gi
+    currentRam: 2Gi
+    maximumCpus: 4
+    currentCpus: 2
+    powerdownTimeout: 1
+  
+    networks:
+    - user: {}
+    disks:
+    - cdrom:
+        # image: ""
+        image: https://download.fedoraproject.org/pub/fedora/linux/releases/38/Workstation/x86_64/iso/Fedora-Workstation-Live-x86_64-38-1.6.iso
+        # image: "Fedora-Workstation-Live-x86_64-38-1.6.iso"
+
+    display:
+      spice:
+        port: 5812

org.jdrupes.vmoperator.manager/test/org/jdrupes/vmoperator/manager/BasicTests.java

@@ -0,0 +1,81 @@
+package org.jdrupes.vmoperator.manager;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import io.fabric8.kubernetes.client.KubernetesClient;
+import io.fabric8.kubernetes.client.KubernetesClientBuilder;
+import io.fabric8.kubernetes.client.dsl.base.ResourceDefinitionContext;
+import io.fabric8.kubernetes.client.Config;
+
+class BasicTests {
+
+    private static KubernetesClient client;
+    private static ResourceDefinitionContext vmsContext;
+
+    @BeforeAll
+    static void setUpBeforeClass() throws Exception {
+        var testCluster = System.getProperty("k8s.testCluster");
+        assertNotNull(testCluster);
+
+        // Get client
+        client = new KubernetesClientBuilder()
+            .withConfig(Config.autoConfigure(testCluster)).build();
+
+        // Context for working with our CR
+        vmsContext = new ResourceDefinitionContext.Builder()
+            .withGroup("vmoperator.jdrupes.org").withKind("VirtualMachine")
+            .withPlural("vms").withNamespaced(true).withVersion("v1").build();
+
+        // Cleanup
+        var resourcesInNamespace = client.genericKubernetesResources(vmsContext)
+            .inNamespace("vmop-dev");
+        resourcesInNamespace.withName("unittest-vm").delete();
+
+        // Update pod by scaling deployment
+        client.apps().deployments().inNamespace("vmop-dev")
+            .withName("vm-operator").scale(0);
+        client.apps().deployments().inNamespace("vmop-dev")
+            .withName("vm-operator").scale(1);
+
+        // Wait until available
+        for (int i = 0; i < 10; i++) {
+            if (client.apps().deployments().inNamespace("vmop-dev")
+                .withName("vm-operator").get().getStatus().getConditions()
+                .stream().filter(c -> "Available".equals(c.getType())).findAny()
+                .isPresent()) {
+                return;
+            }
+        }
+        fail("vm-operator not deployed.");
+    }
+
+    @AfterAll
+    static void tearDownAfterClass() throws Exception {
+        // Bring down manager
+        client.apps().deployments().inNamespace("vmop-dev")
+            .withName("vm-operator").scale(0);
+        client.close();
+    }
+
+    @Test
+    void test() throws IOException {
+        // Load from Yaml
+        var vm = client.genericKubernetesResources(vmsContext)
+            .load(Files
+                .newInputStream(Path.of("test-resources/unittest-vm.yaml")));
+        // Create Custom Resource
+        vm.create();
+
+        // Cleanup
+        var resourcesInNamespace = client.genericKubernetesResources(vmsContext)
+            .inNamespace("vmop-dev");
+        resourcesInNamespace.withName("unittest-vm").delete();
+    }
+
+}

org.jdrupes.vmoperator.manager/test/org/jdrupes/vmoperator/manager/package-info.java

@@ -0,0 +1 @@
+package org.jdrupes.vmoperator.manager;