use textwrap.dedent() to make long tests strings more legible.

src/zope/testing/test_renormalizing.py

@@ -1,35 +1,41 @@
 import unittest
-
+import textwrap
 from zope.testing.renormalizing import strip_dottedname_from_traceback
 
 
 class Exception2To3(unittest.TestCase):
 
     def test_strip_dottedname(self):
         string = """\
-Traceback (most recent call last):
-foo.bar.FooBarError: requires at least one argument."""
+        Traceback (most recent call last):
+        foo.bar.FooBarError: requires at least one argument."""
+        string = textwrap.dedent(string)
         expected = """\
-Traceback (most recent call last):
-FooBarError: requires at least one argument."""
+        Traceback (most recent call last):
+        FooBarError: requires at least one argument."""
+        expected = textwrap.dedent(expected)
         self.assertEqual(expected, strip_dottedname_from_traceback(string))
 
     def test_no_dots_in_name(self):
         string = """\
-Traceback (most recent call last):
-FooBarError: requires at least one argument."""
+        Traceback (most recent call last):
+        FooBarError: requires at least one argument."""
+        string = textwrap.dedent(string)
         expected = """\
-Traceback (most recent call last):
-FooBarError: requires at least one argument."""
+        Traceback (most recent call last):
+        FooBarError: requires at least one argument."""
+        expected = textwrap.dedent(expected)
         self.assertEqual(expected, strip_dottedname_from_traceback(string))
 
     def test_no_colon_in_first_word(self):
         string = """\
-Traceback (most recent call last):
-foo.bar.FooBarError requires at least one argument."""
+        Traceback (most recent call last):
+        foo.bar.FooBarError requires at least one argument."""
+        string = textwrap.dedent(string)
         expected = """\
-Traceback (most recent call last):
-foo.bar.FooBarError requires at least one argument."""
+        Traceback (most recent call last):
+        foo.bar.FooBarError requires at least one argument."""
+        expected = textwrap.dedent(expected)
         self.assertEqual(expected, strip_dottedname_from_traceback(string))
 
     def test_input_empty(self):
@@ -44,11 +50,13 @@ def test_input_spaces(self):
 
     def test_last_line_empty(self):
         string = """\
-Traceback (most recent call last):
+        Traceback (most recent call last):
 
-"""
+        """
+        string = textwrap.dedent(string)
         expected = """\
-Traceback (most recent call last):
+        Traceback (most recent call last):
 
-"""
+        """
+        expected = textwrap.dedent(expected)
         self.assertEqual(expected, strip_dottedname_from_traceback(string))