fix: corrected check for OpenShift cluster (#216)

Signed-off-by: Andre Dietisheim <[email protected]>

Author: adietish

src/main/java/com/redhat/devtools/intellij/common/kubernetes/ClusterHelper.java

@@ -25,12 +25,7 @@ private ClusterHelper() {
     }
 
     public static boolean isOpenShift(KubernetesClient client) {
-        OpenShiftClient osClient = client.adapt(OpenShiftClient.class);
-        try {
-            return osClient.isSupported();
-        } catch (KubernetesClientException e) {
-            return e.getCode() == HttpURLConnection.HTTP_UNAUTHORIZED;
-        }
+        return client.hasApiGroup(OpenShiftClient.BASE_API_GROUP, false);
     }
 
     public static ClusterInfo getClusterInfo(KubernetesClient client) {

src/test/java/com/redhat/devtools/intellij/common/kubernetes/ClusterHelperTest.java

@@ -11,19 +11,14 @@
 package com.redhat.devtools.intellij.common.kubernetes;
 
 import io.fabric8.kubernetes.client.KubernetesClient;
-import io.fabric8.kubernetes.client.KubernetesClientException;
 import io.fabric8.kubernetes.client.VersionInfo;
 import io.fabric8.openshift.client.OpenShiftClient;
 import org.junit.Test;
 
-import java.net.HttpURLConnection;
-
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
@@ -77,46 +72,24 @@ public void testOCP3OrOCP4AdminUserCluster() {
     }
 
     @Test
-    public void isOpenShift_should_return_true_if_isSupported() {
+    public void isOpenShift_should_return_true_if_has_api_group() {
         // given
-        OpenShiftClient oclient = mock(OpenShiftClient.class);
-        doReturn(true)
-                .when(oclient).isSupported();
         KubernetesClient client = mock(KubernetesClient.class);
-        when(client.adapt(OpenShiftClient.class)).thenReturn(oclient);
+        when(client.hasApiGroup(OpenShiftClient.BASE_API_GROUP, false)).thenReturn(true);
         // when
         boolean isOpenShift = ClusterHelper.isOpenShift(client);
         // then
         assertThat(isOpenShift).isTrue();
     }
 
     @Test
-    public void isOpenShift_should_return_false_if_isSupported_throws() {
+    public void isOpenShift_should_return_false_if_has_not_api_group() {
         // given
-        OpenShiftClient oclient = mock(OpenShiftClient.class);
-        doThrow(KubernetesClientException.class)
-                .when(oclient).isSupported();
         KubernetesClient client = mock(KubernetesClient.class);
-        when(client.adapt(OpenShiftClient.class)).thenReturn(oclient);
+        when(client.hasApiGroup(OpenShiftClient.BASE_API_GROUP, false)).thenReturn(false);
         // when
         boolean isOpenShift = ClusterHelper.isOpenShift(client);
         // then
         assertThat(isOpenShift).isFalse();
     }
-
-    @Test
-    public void isOpenShift_should_return_true_if_isSupported_throws_unauthorized() {
-        // given
-        OpenShiftClient oclient = mock(OpenShiftClient.class);
-        KubernetesClientException e = new KubernetesClientException("ouch", HttpURLConnection.HTTP_UNAUTHORIZED, null);
-        doThrow(e)
-                .when(oclient).isSupported();
-        KubernetesClient client = mock(KubernetesClient.class);
-        when(client.adapt(OpenShiftClient.class)).thenReturn(oclient);
-        // when
-        boolean isOpenShift = ClusterHelper.isOpenShift(client);
-        // then
-        assertThat(isOpenShift).isTrue();
-    }
-
 }