Generalize CONSTANT_UTF8 to be a UTF-8 encoded bytes in Python 2 and a unicode string in Python 3

1 files changed, 23 insertions, 1 deletions

diff --git a/tests/test_gi.py b/tests/test_gi.py
index 200c15c..41a12e2 100644
--- a/tests/test_gi.py
+++ b/tests/test_gi.py
@@ -14,8 +14,30 @@ sys.path.insert(0, "../")
 
 from gi.repository import GIMarshallingTests
 
+# CONSTANT_UTF8 is a constant value from inside GIMarshallingTests, containing
+# bytes representing a UTF-8 encoded string.
+#
+# We will try and invoke entry points in GIMarshallingTests, passing a string.
+# The entry points assert that the string they receive is the same value, thus
+# verifying that marshalling of string values is working.
+#
+# The string is defined in gobject-introspection/gir/gimarshallingtests.h
+# where it has value "const \xe2\x99\xa5 utf8"
+# i.e.
+#    "const " + U+2665 BLACK HEART SUIT + " utf8"
+# as U+2665 BLACK HEART SUIT: 0xE2 0x99 0xA5 in UTF8
+#
+try:
+    _u = unicode
+
+    # For Python 2, we express it as a UTF8-encoded string literal:
+    CONSTANT_UTF8 = "const \xe2\x99\xa5 utf8"
+
+except NameError:
+    # For Python 3, we express it as a (unicode) string:
+    CONSTANT_UTF8 = "const " + chr(0x2665) + " utf8"
+
 
-CONSTANT_UTF8 = "const \xe2\x99\xa5 utf8"
 CONSTANT_NUMBER = 42