fix all tests

tests/concrete/test_concrete_text.py

@@ -13,17 +13,21 @@ from pyWebLayout.concrete.text import Text, Line
 from pyWebLayout.abstract.inline import Word
 from pyWebLayout.style import Font, FontStyle, FontWeight, TextDecoration
 from pyWebLayout.style import Alignment
+from tests.utils.test_fonts import create_default_test_font, ensure_consistent_font_in_tests
 
 class TestText(unittest.TestCase):
     def setUp(self):
+        # Ensure consistent font usage across tests
+        ensure_consistent_font_in_tests()
+        
         # Create a real PIL image (canvas) for testing
         self.canvas = Image.new('RGB', (800, 600), color='white')
         
         # Create a real ImageDraw object
         self.draw = ImageDraw.Draw(self.canvas)
         
-        # Create a real Font object
-        self.style = Font()
+        # Create a consistent test Font object using bundled font
+        self.style = create_default_test_font()
 
 
     def test_init(self):
@@ -114,14 +118,17 @@ class TestText(unittest.TestCase):
 
 class TestLine(unittest.TestCase):
     def setUp(self):
+        # Ensure consistent font usage across tests
+        ensure_consistent_font_in_tests()
+        
         # Create a real PIL image (canvas) for testing
         self.canvas = Image.new('RGB', (800, 600), color='white')
         
         # Create a real ImageDraw object
         self.draw = ImageDraw.Draw(self.canvas)
         
-        # Create a real Font object
-        self.style = Font()
+        # Create a consistent test Font object using bundled font
+        self.style = create_default_test_font()
 
     def test_line_init(self):
         """Test Line initialization with real objects"""
@@ -170,7 +177,7 @@ class TestLine(unittest.TestCase):
             self.assertEqual(line.text_objects[0].text, "Hello")
 
     def test_line_add_word_until_overflow(self):
-        """Test adding a simple word to a line"""
+        """Test adding a word until overflow occurs with consistent font measurements"""
         spacing = (5, 15)
         origin = np.array([0, 0])
         size = np.array([400, 50])
@@ -197,10 +204,10 @@ class TestLine(unittest.TestCase):
                 self.assertEqual(overflow_part.text, "dam")
                 return
             
-        self.assertFalse(True)
+        self.fail("Expected overflow to occur but reached max iterations")
 
     def test_line_add_word_until_overflow_small(self):
-        """Test adding a simple word to a line"""
+        """Test adding small words until line is full (no overflow expected)"""
         spacing = (5, 15)
         origin = np.array([0, 0])
         size = np.array([400, 50])
@@ -227,10 +234,10 @@ class TestLine(unittest.TestCase):
                 self.assertIsNone(overflow_part)
                 return
             
-        self.assertFalse(True)
+        self.fail("Expected line to reach capacity but reached max iterations")
 
     def test_line_add_word_until_overflow_long_brute(self):
-        """Test adding a simple word to a line"""
+        """Test adding a simple word to a line with consistent font measurements"""
         spacing = (5, 15)
         origin = np.array([0, 0])
         size = np.array([400, 50])
@@ -245,6 +252,8 @@ class TestLine(unittest.TestCase):
         )
         
         # Create a word to add 
+        # Note: Expected overflow result depends on the specific font measurements
+        # With DejaVuSans bundled font, this should consistently return "A" as overflow
 
         for i in range(100):
             word = Word(text="AAAAAAA", style=self.style)
@@ -254,10 +263,11 @@ class TestLine(unittest.TestCase):
             success, overflow_part = line.add_word(word)
             # If successful, the word should be added
             if overflow_part:
-                self.assertEqual(overflow_part.text , "AA")
+                # Updated to match DejaVuSans font measurements for consistency
+                self.assertEqual(overflow_part.text, "A")
                 return
             
-        self.assertFalse(True)
+        self.fail("Expected overflow to occur but reached max iterations")
 
 
     def test_line_render(self):