Self documenting f-strings (GH-3939)

Closes https://github.com/cython/cython/issues/3796

1 files changed, 13 insertions, 7 deletions

diff --git a/tests/run/test_fstring.pyx b/tests/run/test_fstring.pyx
index a670e2ccb..f5c95d3f6 100644
--- a/tests/run/test_fstring.pyx
+++ b/tests/run/test_fstring.pyx
@@ -10,6 +10,10 @@ import unittest
 
 import sys
 IS_PY2 = sys.version_info[0] < 3
+if IS_PY2:
+    # Define `ascii` as `repr` for Python2 as it functions
+    # the same way in that version.
+    ascii = repr
 
 from Cython.Build.Inline import cython_inline
 from Cython.TestUtils import CythonTest
@@ -1122,8 +1126,7 @@ non-important content
         self.assertEqual(cy_eval('f"\\\n"'), '')
         self.assertEqual(cy_eval('f"\\\r"'), '')
 
-    """
-    def __test_debug_conversion(self):
+    def test_debug_conversion(self):
         x = 'A string'
         self.assertEqual(f'{x=}', 'x=' + repr(x))
         self.assertEqual(f'{x =}', 'x =' + repr(x))
@@ -1169,10 +1172,11 @@ non-important content
         self.assertEqual(f'{0!=1}', 'True')
         self.assertEqual(f'{0<=1}', 'True')
         self.assertEqual(f'{0>=1}', 'False')
-        self.assertEqual(f'{(x:="5")}', '5')
-        self.assertEqual(x, '5')
-        self.assertEqual(f'{(x:=5)}', '5')
-        self.assertEqual(x, 5)
+        # Walrus not implemented yet, skip
+        # self.assertEqual(f'{(x:="5")}', '5')
+        # self.assertEqual(x, '5')
+        # self.assertEqual(f'{(x:=5)}', '5')
+        # self.assertEqual(x, 5)
         self.assertEqual(f'{"="}', '=')
 
         x = 20
@@ -1226,7 +1230,7 @@ non-important content
         # the tabs to spaces just to shut up patchcheck.
         #self.assertEqual(f'X{x =}Y', 'Xx\t='+repr(x)+'Y')
         #self.assertEqual(f'X{x =       }Y', 'Xx\t=\t'+repr(x)+'Y')
-    """
+
 
     def test_walrus(self):
         x = 20
@@ -1234,6 +1238,8 @@ non-important content
         # spec of '=10'.
         self.assertEqual(f'{x:=10}', '        20')
 
+        # Note to anyone going to enable these: please have a look to the test
+        # above this one for more walrus cases to enable.
         """
         # This is an assignment expression, which requires parens.
         self.assertEqual(f'{(x:=10)}', '10')