Test ConfigParser with whitespace outside the value

In both the unquoted case, where extra whitespace is at the edges
of what can be parsed as the value, and the unquoted case, where
extra whitespace is next to but outside of the quotes.

Author: EliahKagan

test/fixtures/git_config_with_extra_whitespace

@@ -0,0 +1,2 @@
+[init]
+  defaultBranch =  trunk  

test/fixtures/git_config_with_quotes_whitespace renamed to test/fixtures/git_config_with_quotes_whitespace_inside

@@ -0,0 +1,2 @@
+[init]
+  defaultBranch =  "trunk"  

test/fixtures/git_config_with_quotes_whitespace_outside

@@ -398,6 +398,10 @@ def test_complex_aliases(self):
             self._to_memcache(fixture_path(".gitconfig")).getvalue(),
         )
 
+    def test_config_with_extra_whitespace(self):
+        cr = GitConfigParser(fixture_path("git_config_with_extra_whitespace"), read_only=True)
+        self.assertEqual(cr.get("init", "defaultBranch"), "trunk")
+
     def test_empty_config_value(self):
         cr = GitConfigParser(fixture_path("git_config_with_empty_value"), read_only=True)
 
@@ -413,9 +417,13 @@ def test_config_with_quotes(self):
         self.assertEqual(cr.get("user", "email"), "cveal05@gmail.com")
 
     def test_config_with_quotes_with_literal_whitespace(self):
-        cr = GitConfigParser(fixture_path("git_config_with_quotes_whitespace"), read_only=True)
+        cr = GitConfigParser(fixture_path("git_config_with_quotes_whitespace_inside"), read_only=True)
         self.assertEqual(cr.get("core", "commentString"), "# ")
 
+    def test_config_with_quotes_with_whitespace_outside_value(self):
+        cr = GitConfigParser(fixture_path("git_config_with_quotes_whitespace_outside"), read_only=True)
+        self.assertEqual(cr.get("init", "defaultBranch"), "trunk")
+
     def test_get_values_works_without_requiring_any_other_calls_first(self):
         file_obj = self._to_memcache(fixture_path("git_config_multiple"))
         cr = GitConfigParser(file_obj, read_only=True)