Add longer text strings to mailbox demo to test string truncation (#8893)

* Add longer text strings to mailbox demo to test string truncation in frontend

* Remove lorem ipsum txt file

* Use format instead of %

homeassistant/components/mailbox/demo.py

@@ -31,10 +31,12 @@ class DemoMailbox(Mailbox):
         """Initialize Demo mailbox."""
         super().__init__(hass, name)
         self._messages = {}
+        txt = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. "
         for idx in range(0, 10):
             msgtime = int(dt.as_timestamp(
                 dt.utcnow()) - 3600 * 24 * (10 - idx))
-            msgtxt = "This is recorded message # %d" % (idx)
+            msgtxt = "Message {}. {}".format(
+                idx + 1, txt * (1 + idx * (idx % 2)))
             msgsha = sha1(msgtxt.encode('utf-8')).hexdigest()
             msg = {"info": {"origtime": msgtime,
                             "callerid": "John Doe <212-555-1212>",

tests/components/mailbox/test_init.py

@@ -47,7 +47,8 @@ def test_get_messages_from_mailbox(mock_http_client):
 def test_get_media_from_mailbox(mock_http_client):
     """Get audio from mailbox."""
     mp3sha = "3f67c4ea33b37d1710f772a26dd3fb43bb159d50"
-    msgtxt = "This is recorded message # 1"
+    msgtxt = ("Message 1. "
+              "Lorem ipsum dolor sit amet, consectetur adipiscing elit. ")
     msgsha = sha1(msgtxt.encode('utf-8')).hexdigest()
 
     url = "/api/mailbox/media/DemoMailbox/%s" % (msgsha)
@@ -60,8 +61,10 @@ def test_get_media_from_mailbox(mock_http_client):
 @asyncio.coroutine
 def test_delete_from_mailbox(mock_http_client):
     """Get audio from mailbox."""
-    msgtxt1 = "This is recorded message # 1"
-    msgtxt2 = "This is recorded message # 2"
+    msgtxt1 = ("Message 1. "
+               "Lorem ipsum dolor sit amet, consectetur adipiscing elit. ")
+    msgtxt2 = ("Message 3. "
+               "Lorem ipsum dolor sit amet, consectetur adipiscing elit. ")
     msgsha1 = sha1(msgtxt1.encode('utf-8')).hexdigest()
     msgsha2 = sha1(msgtxt2.encode('utf-8')).hexdigest()