Consolidate all platforms that have no tests (#22096)

* Consolidate

* Fix tests

* Update imports

* Fix import

* Use importlib because integration and package share name

* Fix more tests

* Update .coveragerc and CODEOWNERS

homeassistant/components/asterisk_cdr/mailbox.py

@@ -0,0 +1,61 @@
+"""Support for the Asterisk CDR interface."""
+import logging
+import hashlib
+import datetime
+
+from homeassistant.core import callback
+from homeassistant.components.asterisk_mbox import SIGNAL_CDR_UPDATE
+from homeassistant.components.asterisk_mbox import DOMAIN as ASTERISK_DOMAIN
+from homeassistant.components.mailbox import Mailbox
+from homeassistant.helpers.dispatcher import async_dispatcher_connect
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['asterisk_mbox']
+
+MAILBOX_NAME = 'asterisk_cdr'
+
+
+async def async_get_handler(hass, config, discovery_info=None):
+    """Set up the Asterix CDR platform."""
+    return AsteriskCDR(hass, MAILBOX_NAME)
+
+
+class AsteriskCDR(Mailbox):
+    """Asterisk VM Call Data Record mailbox."""
+
+    def __init__(self, hass, name):
+        """Initialize Asterisk CDR."""
+        super().__init__(hass, name)
+        self.cdr = []
+        async_dispatcher_connect(
+            self.hass, SIGNAL_CDR_UPDATE, self._update_callback)
+
+    @callback
+    def _update_callback(self, msg):
+        """Update the message count in HA, if needed."""
+        self._build_message()
+        self.async_update()
+
+    def _build_message(self):
+        """Build message structure."""
+        cdr = []
+        for entry in self.hass.data[ASTERISK_DOMAIN].cdr:
+            timestamp = datetime.datetime.strptime(
+                entry['time'], "%Y-%m-%d %H:%M:%S").timestamp()
+            info = {
+                'origtime': timestamp,
+                'callerid': entry['callerid'],
+                'duration': entry['duration'],
+            }
+            sha = hashlib.sha256(str(entry).encode('utf-8')).hexdigest()
+            msg = "Destination: {}\nApplication: {}\n Context: {}".format(
+                entry['dest'], entry['application'], entry['context'])
+            cdr.append({'info': info, 'sha': sha, 'text': msg})
+        self.cdr = cdr
+
+    async def async_get_messages(self):
+        """Return a list of the current messages."""
+        if not self.cdr:
+            self._build_message()
+        return self.cdr