Complete updates of remaining code-smell tests. (#37743)

* Add text/binary file support to code smell tests.
* Enhance line-endings code smell test.
* Enhance no-smart-quotes code-smell test.
* Enhance shebang code-smell test.

test/sanity/code-smell/no-smart-quotes.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import os
+import re
+import sys
+
+
+def main():
+    skip = set([
+        'test/sanity/code-smell/%s' % os.path.basename(__file__),
+        'docs/docsite/rst/dev_guide/testing/sanity/no-smart-quotes.rst',
+        'test/integration/targets/unicode/unicode.yml',
+        'test/integration/targets/lookup_properties/lookup-8859-15.ini',
+    ])
+
+    for path in sys.argv[1:] or sys.stdin.read().splitlines():
+        if path in skip:
+            continue
+
+        with open(path, 'rb') as path_fd:
+            for line, text in enumerate(path_fd.readlines()):
+                try:
+                    text = text.decode('utf-8')
+                except UnicodeDecodeError as ex:
+                    print('%s:%d:%d: UnicodeDecodeError: %s' % (path, line + 1, ex.start + 1, ex))
+                    continue
+
+                match = re.search(u'([‘’“”])', text)
+
+                if match:
+                    print('%s:%d:%d: use ASCII quotes `\'` and `"` instead of Unicode quotes' % (
+                        path, line + 1, match.start(1) + 1))
+
+
+if __name__ == '__main__':
+    main()