views: Add keypress events for showing/hiding full raw message.

This commit adds keypress events for showing/hiding full raw message
view in message information popup.

Tests amended.

Author: Ezio-Sarthak

tests/ui_tools/test_popups.py

@@ -874,6 +874,27 @@ def test_keypress_full_rendered_message(self, message_fixture, key, widget_size)
             time_mentions=list(),
         )
 
+    @pytest.mark.parametrize("key", keys_for_command("FULL_RAW_MESSAGE"))
+    def test_keypress_full_raw_message(self, message_fixture, key, widget_size):
+        msg_info_view = MsgInfoView(
+            self.controller,
+            message_fixture,
+            title="Message Information",
+            topic_links=OrderedDict(),
+            message_links=OrderedDict(),
+            time_mentions=list(),
+        )
+        size = widget_size(msg_info_view)
+
+        msg_info_view.keypress(size, key)
+
+        self.controller.show_full_raw_message.assert_called_once_with(
+            message=message_fixture,
+            topic_links=OrderedDict(),
+            message_links=OrderedDict(),
+            time_mentions=list(),
+        )
+
     @pytest.mark.parametrize(
         "key", {*keys_for_command("GO_BACK"), *keys_for_command("MSG_INFO")}
     )
@@ -893,10 +914,11 @@ def test_keypress_view_in_browser(self, mocker, widget_size, message_fixture, ke
         assert self.controller.open_in_browser.called
 
     def test_height_noreactions(self):
-        expected_height = 5
-        # 5 = 1 (date & time) +1 (sender's name) +1 (sender's email)
+        expected_height = 6
+        # 6 = 1 (date & time) +1 (sender's name) +1 (sender's email)
         # +1 (view message in browser)
         # +1 (full rendered message)
+        # +1 (full raw message)
         assert self.msg_info_view.height == expected_height
 
     # FIXME This is the same parametrize as MessageBox:test_reactions_view
@@ -959,9 +981,9 @@ def test_height_reactions(self, message_fixture, to_vary_in_each_message):
             OrderedDict(),
             list(),
         )
-        # 11 = 5 labels + 1 blank line + 1 'Reactions' (category)
+        # 12 = 6 labels + 1 blank line + 1 'Reactions' (category)
         # + 4 reactions (excluding 'Message Links').
-        expected_height = 11
+        expected_height = 12
         assert self.msg_info_view.height == expected_height
 
     @pytest.mark.parametrize(

zulipterminal/ui_tools/views.py

@@ -1419,6 +1419,9 @@ def __init__(
         full_rendered_message_keys = ", ".join(
             map(repr, keys_for_command("FULL_RENDERED_MESSAGE"))
         )
+        full_raw_message_keys = ", ".join(
+            map(repr, keys_for_command("FULL_RAW_MESSAGE"))
+        )
         msg_info = [
             (
                 "",
@@ -1434,6 +1437,10 @@ def __init__(
                         "Full rendered message",
                         f"Press {full_rendered_message_keys} to view",
                     ),
+                    (
+                        "Full raw message",
+                        f"Press {full_raw_message_keys} to view",
+                    ),
                 ],
             ),
         ]
@@ -1547,6 +1554,14 @@ def keypress(self, size: urwid_Size, key: str) -> str:
                 time_mentions=self.time_mentions,
             )
             return key
+        elif is_command_key("FULL_RAW_MESSAGE", key):
+            self.controller.show_full_raw_message(
+                message=self.msg,
+                topic_links=self.topic_links,
+                message_links=self.message_links,
+                time_mentions=self.time_mentions,
+            )
+            return key
         return super().keypress(size, key)