remove unmapped ports from inspect port bindings

Signed-off-by: Jakob Ahrer <jakob@ahrer.dev>

test/apiv2/python/rest_api/test_v2_0_0_container.py

@@ -1,7 +1,9 @@
+import io
 import multiprocessing
 import queue
 import random
 import subprocess
+import tarfile
 import threading
 import unittest
 
@@ -359,6 +361,43 @@ class ContainerTestCase(APITestCase):
         self.assertEqual(2000, out["HostConfig"]["MemorySwap"])
         self.assertEqual(1000, out["HostConfig"]["Memory"])
 
+    def test_host_config_port_bindings(self):
+        # create a container with two ports exposed, but only one of the ports bound
+        r = requests.post(
+            self.podman_url + "/v1.40/containers/create",
+            json={
+                "Name": "memory",
+                "Cmd": ["top"],
+                "Image": "alpine:latest",
+                "HostConfig": {
+                    "PortBindings": {
+                        "8080": [{"HostPort": "87634"}]
+                    }
+                },
+                "ExposedPorts": {
+                    "8080": {},
+                    "8081": {}
+                }
+            },
+        )
+        self.assertEqual(r.status_code, 201, r.text)
+        payload = r.json()
+        container_id = payload["Id"]
+        self.assertIsNotNone(container_id)
+
+        r = requests.get(self.podman_url +
+                         f"/v1.40/containers/{container_id}/json")
+        self.assertEqual(r.status_code, 200, r.text)
+        inspect_response = r.json()
+        # both ports are in the config
+        self.assertEqual(2, len(inspect_response["Config"]["ExposedPorts"]))
+        self.assertTrue("8080/tcp" in inspect_response["Config"]["ExposedPorts"])
+        self.assertTrue("8081/tcp" in inspect_response["Config"]["ExposedPorts"])
+        # only 8080 one port is bound
+        self.assertEqual(1, len(inspect_response["HostConfig"]["PortBindings"]))
+        self.assertTrue("8080/tcp" in inspect_response["HostConfig"]["PortBindings"])
+        self.assertFalse("8081/tcp" in inspect_response["HostConfig"]["PortBindings"])
+
 def execute_process(cmd):
     return subprocess.run(
                 cmd,