Update test_dictcomps, test_genexps and test_generators

python · pablogsal · May 15, 2020 · May 13, 2020 · May 13, 2020 · May 14, 2020
commit 00a2205b87f8a43358407212241a4fc0f6e82af3
diff --git a/Lib/test/test_dictcomps.py b/Lib/test/test_dictcomps.py
@@ -77,7 +77,7 @@ def test_illegal_assignment(self):
             compile("{x: y for y, x in ((1, 2), (3, 4))} = 5", "<test>",
                     "exec")
 
-        with self.assertRaisesRegex(SyntaxError, "cannot assign"):
+        with self.assertRaisesRegex(SyntaxError, "illegal expression"):
             compile("{x: y for y, x in ((1, 2), (3, 4))} += 5", "<test>",
                     "exec")
 

diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py
@@ -1921,7 +1921,7 @@ def printsolution(self, x):
 >>> def f(): (yield bar) += y
 Traceback (most recent call last):
   ...
-SyntaxError: cannot assign to yield expression
+SyntaxError: yield expression is an illegal expression for augmented assignment
 
 
 Now check some throw() conditions:

diff --git a/Lib/test/test_genexps.py b/Lib/test/test_genexps.py
@@ -158,7 +158,7 @@
     >>> (y for y in (1,2)) += 10
     Traceback (most recent call last):
        ...
-    SyntaxError: cannot assign to generator expression
+    SyntaxError: generator expression is an illegal expression for augmented assignment
 
 
 ########### Tests borrowed from or inspired by test_generators.py ############