Add k8s_exec test

molecule/default/tasks/full.yml

@@ -37,6 +37,41 @@
           - "'resources' in k8s_info"
           - not k8s_info.resources
 
+    - name: Create a pod
+      k8s:
+        definition:
+          apiVersion: v1
+          kind: Pod
+          metadata:
+            name: "{{ k8s_pod_name }}"
+            namespace: testing
+          spec: "{{ k8s_pod_spec }}"
+        wait: yes
+        wait_sleep: 1
+        wait_timeout: 30
+      vars:
+        k8s_pod_name: sleep-pod
+        k8s_pod_image: alpine:3.8
+        k8s_pod_command:
+          - /bin/sleep
+          - infinity
+
+    - name: Execute a command
+      k8s_exec:
+        namespace: testing
+        pod: sleep-pod
+        command: cat /etc/os-release
+      register: output
+
+    - name: Show k8s_exec output
+      debug:
+        var: output
+
+    - name: Assert k8s_exec output is correct
+      assert:
+        that:
+          - "'alpine' in output.stdout"
+
     - name: Create a service
       k8s:
         state: present