test: update test name and add license to header

tests/test_publish_cap_message.py

@@ -0,0 +1,55 @@
+###############################################################################
+#
+# Licensed to the Apache Software Foundation (ASF) under one 
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
+# KIND, either express or implied.  See the License for the 
+# specific language governing permissions and limitations
+# under the License.
+#
+###############################################################################
+
+import base64
+import json
+
+import paho.mqtt.publish as publish
+
+BROKER_USERNAME = 'wis2box'
+BROKER_PASSWORD = 'wis2box'
+BROKER_HOST = 'localhost'
+BROKER_PORT = '1883'
+
+filename = 'tests/data/CAP/sc_example.xml'
+
+# create a message containing the CAP alert in
+#  the data field as base64 encoded bytes
+with open(filename, 'rb') as file:
+    data = base64.b64encode(file.read()).decode()
+
+msg = {
+    'metadata_id': 'urn:wmo:md:int_wmo_test:cap',
+    'data': data,
+    'filename': filename.split('/')[-1]
+}
+# publish notification on internal broker
+private_auth = {
+    'username': BROKER_USERNAME,
+    'password': BROKER_PASSWORD
+}
+publish.single(topic='wis2box/cap/publication',
+               payload=json.dumps(msg),
+               qos=1,
+               retain=False,
+               hostname=BROKER_HOST,
+               port=int(BROKER_PORT),
+               auth=private_auth)