add some additional tests

pyWebLayout/concrete/text.py

@@ -43,13 +43,35 @@ class Text(Renderable, Queriable):
         # The bounding box is (left, top, right, bottom)
         try:
             bbox = font.getbbox(self._text)
-            self._width = bbox[2] - bbox[0]
-            self._height = bbox[3] - bbox[1]
+            # Width is the difference between right and left
+            self._width = max(1, bbox[2] - bbox[0])
+            # Height needs to account for potential negative top values
+            # Use the full height from top to bottom, ensuring positive values
+            top = min(0, bbox[1])  # Account for negative ascenders
+            bottom = max(bbox[3], bbox[1] + font.size)  # Ensure minimum height
+            self._height = max(font.size, bottom - top)
             self._size = (self._width, self._height)
+            
+            # Store the offset for proper text positioning
+            self._text_offset_x = max(0, -bbox[0])
+            self._text_offset_y = max(0, -top)
+            
         except AttributeError:
             # Fallback for older PIL versions
-            self._width, self._height = font.getsize(self._text)
-            self._size = (self._width, self._height)
+            try:
+                self._width, self._height = font.getsize(self._text)
+                # Add some padding to prevent cropping
+                self._height = max(self._height, int(self._style.font_size * 1.2))
+                self._size = (self._width, self._height)
+                self._text_offset_x = 0
+                self._text_offset_y = 0
+            except:
+                # Ultimate fallback
+                self._width = len(self._text) * self._style.font_size // 2
+                self._height = int(self._style.font_size * 1.2)
+                self._size = (self._width, self._height)
+                self._text_offset_x = 0
+                self._text_offset_y = 0
     
     @property
     def text(self) -> str:
@@ -123,8 +145,10 @@ class Text(Renderable, Queriable):
         if self._style.background and self._style.background[3] > 0:  # If alpha > 0
             draw.rectangle([(0, 0), self._size], fill=self._style.background)
         
-        # Draw the text
-        draw.text((0, 0), self._text, font=self._style.font, fill=self._style.colour)
+        # Draw the text using calculated offsets to prevent cropping
+        text_x = getattr(self, '_text_offset_x', 0)
+        text_y = getattr(self, '_text_offset_y', 0)
+        draw.text((text_x, text_y), self._text, font=self._style.font, fill=self._style.colour)
         
         # Apply any text decorations
         self._apply_decoration(draw)