Add a newline between attachments

2 files changed, 26 insertions, 4 deletions

diff --git a/_pytest/test_unwrap_attachments.py b/_pytest/test_unwrap_attachments.py
index 8b22515..8e41662 100644
--- a/_pytest/test_unwrap_attachments.py
+++ b/_pytest/test_unwrap_attachments.py
@@ -121,6 +121,28 @@ import pytest
             "Second field value",
         ]),
     },
+    {
+        'input_message': {'attachments': [{
+            'title': 'First attachment title',
+            'text': 'First attachment text',
+            'title_link': 'http://title.link.1',
+            'from_url': 'http://from.url.1',
+        }, {
+            'title': 'Second attachment title',
+            'text': 'Second attachment text',
+            'title_link': 'http://title.link.2',
+            'from_url': 'http://from.url.2',
+        }]},
+        'input_text_before': "",
+        'output': "\n".join([
+            "First attachment title (http://title.link.1)",
+            "http://from.url.1",
+            "First attachment text",
+            "Second attachment title (http://title.link.2)",
+            "http://from.url.2",
+            "Second attachment text",
+        ]),
+    },
 ))
 def test_unwrap_attachments(case):
     result = wee_slack.unwrap_attachments(
diff --git a/wee_slack.py b/wee_slack.py
index 950117c..334a8ba 100644
--- a/wee_slack.py
+++ b/wee_slack.py
@@ -2600,11 +2600,11 @@ def unhtmlescape(text):
 
 
 def unwrap_attachments(message_json, text_before):
-    attachment_text = ''
+    attachment_texts = []
     a = message_json.get("attachments", None)
     if a:
         if text_before:
-            attachment_text = '\n'
+            attachment_texts.append('')
         for attachment in a:
             # Attachments should be rendered roughly like:
             #
@@ -2647,8 +2647,8 @@ def unwrap_attachments(message_json, text_before):
             fallback = attachment.get("fallback", None)
             if t == [] and fallback:
                 t.append(fallback)
-            attachment_text += "\n".join([x.strip() for x in t if x])
-    return attachment_text
+            attachment_texts.append("\n".join([x.strip() for x in t if x]))
+    return "\n".join(attachment_texts)
 
 
 def resolve_ref(ref):