add test to check whether easyconfig that includes unicode character in description doesn't trigger UnicodeDecodeError (cfr. #3284)

Author: boegel

test/framework/toy_build.py

@@ -1,4 +1,5 @@
-# #
+# -*- coding: utf-8 -*-
+##
 # Copyright 2013-2020 Ghent University
 #
 # This file is part of EasyBuild,
@@ -2606,6 +2607,26 @@ def __exit__(self, type, value, traceback):
         self.assertErrorRegex(EasyBuildError, error_pattern, self.test_toy_build,
                               extra_args=extra_args, raise_error=True, verbose=False)
 
+    def test_toy_build_unicode_description(self):
+        """Test installation of easyconfig file that has non-ASCII characters in description."""
+        # cfr. https://github.com/easybuilders/easybuild-framework/issues/3284
+
+        test_ecs_dir = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'easyconfigs', 'test_ecs')
+        toy_ec = os.path.join(test_ecs_dir, 't', 'toy', 'toy-0.0.eb')
+        toy_ec_txt = read_file(toy_ec)
+
+        # the tilde character included here is a Unicode tilde character, not a regular ASCII tilde (~)
+        descr = "This description includes a unicode tilde character: ∼, for your entertainment."
+        self.assertFalse('~' in descr)
+
+        regex = re.compile(r'^description\s*=.*', re.M)
+        test_ec_txt = regex.sub(r'description = "%s"' % descr, toy_ec_txt)
+
+        test_ec = os.path.join(self.test_prefix, 'test.eb')
+        write_file(test_ec, test_ec_txt)
+
+        self.test_toy_build(ec_file=test_ec, raise_error=True)
+
 
 def suite():
     """ return all the tests in this file """