A unittest-based test for the quopri module.

Lib/test/test_quopri.py

+import test_support
+import unittest
+
+from cStringIO import StringIO
+from quopri import *
+
+
+
+ENCSAMPLE = """\
+Here's a bunch of special=20
+
+=A1=A2=A3=A4=A5=A6=A7=A8=A9
+=AA=AB=AC=AD=AE=AF=B0=B1=B2=B3
+=B4=B5=B6=B7=B8=B9=BA=BB=BC=BD=BE
+=BF=C0=C1=C2=C3=C4=C5=C6
+=C7=C8=C9=CA=CB=CC=CD=CE=CF
+=D0=D1=D2=D3=D4=D5=D6=D7
+=D8=D9=DA=DB=DC=DD=DE=DF
+=E0=E1=E2=E3=E4=E5=E6=E7
+=E8=E9=EA=EB=EC=ED=EE=EF
+=F0=F1=F2=F3=F4=F5=F6=F7
+=F8=F9=FA=FB=FC=FD=FE=FF
+
+characters... have fun!
+"""
+
+# First line ends with a space
+DECSAMPLE = """\
+Here's a bunch of special 
+
+
+
+
+
+
+
+
+
+
+
+
+
+characters... have fun!
+"""
+
+
+
+class QuopriTestCase(unittest.TestCase):
+    # Each entry is a tuple of (plaintext, encoded string).  These strings are
+    # used in the "quotetabs=0" tests.
+    STRINGS = (
+        # Some normal strings
+        ('hello', 'hello'),
+        ('''hello
+        there
+        world''', '''hello
+        there
+        world'''),
+        ('''hello
+        there
+        world
+''', '''hello
+        there
+        world
+'''),
+        ('\201\202\203', '=81=82=83'),
+        # Add some trailing MUST QUOTE strings
+        ('hello ', 'hello=20'),
+        ('hello\t', 'hello=09'),
+        # Now some really complex stuff
+        (DECSAMPLE, ENCSAMPLE),
+        )
+
+    # These are used in the "quotetabs=1" tests.
+    ESTRINGS = (
+        ('hello world', 'hello=20world'),
+        ('hello\tworld', 'hello=09world'),
+        )
+        
+    def test_encodestring(self):
+        for p, e in self.STRINGS:
+            self.assert_(encodestring(p) == e)
+        
+    def test_decodestring(self):
+        for p, e in self.STRINGS:
+            self.assert_(decodestring(e) == p)
+        
+    def test_idempotent_string(self):
+        for p, e in self.STRINGS:
+            self.assert_(decodestring(encodestring(e)) == e)
+
+    def test_encode(self):
+        for p, e in self.STRINGS:
+            infp = StringIO(p)
+            outfp = StringIO()
+            encode(infp, outfp, quotetabs=0)
+            self.assert_(outfp.getvalue() == e)
+
+    def test_decode(self):
+        for p, e in self.STRINGS:
+            infp = StringIO(e)
+            outfp = StringIO()
+            decode(infp, outfp)
+            self.assert_(outfp.getvalue() == p)
+
+    def test_embedded_ws(self):
+        for p, e in self.ESTRINGS:
+            self.assert_(encodestring(p, quotetabs=1) == e)
+            self.assert_(decodestring(e) == p)
+
+
+test_support.run_unittest(QuopriTestCase)