Return ContainerConfig exposedPorts if no HostConfig boundPorts found

docker/docker/src/main/java/org/arquillian/cube/docker/impl/await/PollingAwaitStrategy.java

@@ -95,6 +95,9 @@ public boolean await() {
 
             switch(this.type) {
                 case "ping": {
+                    if(ports.getBindingPort() == -1) {
+                        throw new IllegalArgumentException("Can not use polling of type " + type + " on non externally bound port " + ports.getExposedPort());
+                    }
                     if (!Ping.ping(bindings.getIP(), ports.getBindingPort(), this.pollIterations, this.sleepPollTime,
                             this.timeUnit)) {
                         return false;

docker/docker/src/main/java/org/arquillian/cube/docker/impl/client/containerobject/CubeContainerObjectTestEnricher.java

@@ -178,7 +178,7 @@ private void enrichHostPort(Object containerObjectInstance, org.arquillian.cube.
             if (hostPortValue > 0) {
                 final Binding.PortBinding bindingForExposedPort = cube.bindings().getBindingForExposedPort(hostPortValue);
 
-                if (bindingForExposedPort != null) {
+                if (bindingForExposedPort != null && bindingForExposedPort.getBindingPort() != -1) {
                     field.set(containerObjectInstance, bindingForExposedPort.getBindingPort());
                 } else {
                     throw new IllegalArgumentException(String.format("Container Object %s contains field %s annotated with %s but exposed port %s is not exposed on container object.", containerObjectInstance.getClass().getSimpleName(), field.getName(), HostPort.class.getSimpleName(), hostPortValue));

docker/docker/src/main/java/org/arquillian/cube/docker/impl/util/BindingUtil.java

@@ -8,6 +8,7 @@
 import org.arquillian.cube.spi.Binding;
 
 import com.github.dockerjava.api.command.InspectContainerResponse;
+import com.github.dockerjava.api.model.ContainerConfig;
 import com.github.dockerjava.api.model.ExposedPort;
 import com.github.dockerjava.api.model.HostConfig;
 
@@ -22,16 +23,22 @@ private BindingUtil() {
     public static Binding binding(DockerClientExecutor executor, String cubeId) {
         InspectContainerResponse inspectResponse = executor.getDockerClient().inspectContainerCmd( cubeId ).exec();
 
-        HostConfig hostConfig = inspectResponse.getHostConfig();
-
         String dockerIp = getDockerServerIp(executor);
         Binding binding = new Binding(dockerIp);
 
-        for (Entry<ExposedPort, com.github.dockerjava.api.model.Ports.Binding[]> bind : hostConfig.getPortBindings()
-                .getBindings().entrySet()) {
-            com.github.dockerjava.api.model.Ports.Binding[] allBindings = bind.getValue();
-            for (com.github.dockerjava.api.model.Ports.Binding bindings : allBindings) {
-                binding.addPortBinding(bind.getKey().getPort(), bindings.getHostPort());
+        HostConfig hostConfig = inspectResponse.getHostConfig();
+        if(hostConfig.getPortBindings() != null) {
+            for (Entry<ExposedPort, com.github.dockerjava.api.model.Ports.Binding[]> bind : hostConfig.getPortBindings()
+                    .getBindings().entrySet()) {
+                com.github.dockerjava.api.model.Ports.Binding[] allBindings = bind.getValue();
+                for (com.github.dockerjava.api.model.Ports.Binding bindings : allBindings) {
+                    binding.addPortBinding(bind.getKey().getPort(), bindings.getHostPort());
+                }
+            }
+        } else {
+            ContainerConfig connectionConfig = inspectResponse.getConfig();
+            for(ExposedPort port : connectionConfig.getExposedPorts()) {
+                binding.addPortBinding(port.getPort(), -1);
             }
         }
         return binding;