[Jython-checkins] jython: see FIXMEs.

frank.wierzbicki jython-checkins at python.org
Tue Mar 20 21:19:56 CET 2012


http://hg.python.org/jython/rev/84fd730a679c
changeset:   6436:84fd730a679c
user:        Frank Wierzbicki <fwierzbicki at gmail.com>
date:        Tue Mar 20 13:19:46 2012 -0700
summary:
  see FIXMEs.

files:
  Lib/test/regrtest.py      |    2 +
  Lib/test/test_StringIO.py |  182 ++++++++++++++++++++++++++
  2 files changed, 184 insertions(+), 0 deletions(-)


diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -1187,6 +1187,7 @@
         test_applesingle
         test_ascii_formatd
         test_audioop
+        test_buffer
         test_bsddb
         test_bsddb185
         test_bsddb3
@@ -1218,6 +1219,7 @@
         test_longexp
         test_macfs
         test_macostools
+        test_memoryview
         test_mmap
         test_nis
         test_normalization
diff --git a/Lib/test/test_StringIO.py b/Lib/test/test_StringIO.py
new file mode 100644
--- /dev/null
+++ b/Lib/test/test_StringIO.py
@@ -0,0 +1,182 @@
+# Tests StringIO and cStringIO
+
+import unittest
+import StringIO
+import cStringIO
+import types
+import array
+from test import test_support
+
+
+class TestGenericStringIO(unittest.TestCase):
+    # use a class variable MODULE to define which module is being tested
+
+    # Line of data to test as string
+    _line = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!'
+
+    # Constructor to use for the test data (._line is passed to this
+    # constructor)
+    constructor = str
+
+    def setUp(self):
+        self._line = self.constructor(self._line)
+        self._lines = self.constructor((self._line + '\n') * 5)
+        self._fp = self.MODULE.StringIO(self._lines)
+
+    def test_reads(self):
+        eq = self.assertEqual
+        self.assertRaises(TypeError, self._fp.seek)
+        eq(self._fp.read(10), self._line[:10])
+        eq(self._fp.readline(), self._line[10:] + '\n')
+        eq(len(self._fp.readlines(60)), 2)
+        self._fp.seek(0)
+        eq(self._fp.readline(-1), self._line + '\n')
+
+    def test_writes(self):
+        f = self.MODULE.StringIO()
+        self.assertRaises(TypeError, f.seek)
+        f.write(self._line[:6])
+        f.seek(3)
+        f.write(self._line[20:26])
+        f.write(self._line[52])
+        self.assertEqual(f.getvalue(), 'abcuvwxyz!')
+
+    def test_writelines(self):
+        f = self.MODULE.StringIO()
+        f.writelines([self._line[0], self._line[1], self._line[2]])
+        f.seek(0)
+        self.assertEqual(f.getvalue(), 'abc')
+
+    def test_writelines_error(self):
+        def errorGen():
+            yield 'a'
+            raise KeyboardInterrupt()
+        f = self.MODULE.StringIO()
+        self.assertRaises(KeyboardInterrupt, f.writelines, errorGen())
+
+    def test_truncate(self):
+        eq = self.assertEqual
+        f = self.MODULE.StringIO()
+        f.write(self._lines)
+        f.seek(10)
+        f.truncate()
+        eq(f.getvalue(), 'abcdefghij')
+        f.truncate(5)
+        eq(f.getvalue(), 'abcde')
+        f.write('xyz')
+        eq(f.getvalue(), 'abcdexyz')
+        self.assertRaises(IOError, f.truncate, -1)
+        f.close()
+        self.assertRaises(ValueError, f.write, 'frobnitz')
+
+    def test_closed_flag(self):
+        f = self.MODULE.StringIO()
+        self.assertEqual(f.closed, False)
+        f.close()
+        self.assertEqual(f.closed, True)
+        f = self.MODULE.StringIO("abc")
+        self.assertEqual(f.closed, False)
+        f.close()
+        self.assertEqual(f.closed, True)
+
+    def test_isatty(self):
+        f = self.MODULE.StringIO()
+        self.assertRaises(TypeError, f.isatty, None)
+        self.assertEqual(f.isatty(), False)
+        f.close()
+        self.assertRaises(ValueError, f.isatty)
+
+    def test_iterator(self):
+        eq = self.assertEqual
+        unless = self.assertTrue
+        eq(iter(self._fp), self._fp)
+        # Does this object support the iteration protocol?
+        unless(hasattr(self._fp, '__iter__'))
+        unless(hasattr(self._fp, 'next'))
+        i = 0
+        for line in self._fp:
+            eq(line, self._line + '\n')
+            i += 1
+        eq(i, 5)
+        self._fp.close()
+        self.assertRaises(ValueError, self._fp.next)
+
+    @unittest.skipIf(test_support.is_jython, "FIXME #1862: not working in Jython")
+    def test_getvalue(self):
+        self._fp.close()
+        self.assertRaises(ValueError, self._fp.getvalue)
+
+class TestStringIO(TestGenericStringIO):
+    MODULE = StringIO
+
+    def test_unicode(self):
+
+        if not test_support.have_unicode: return
+
+        # The StringIO module also supports concatenating Unicode
+        # snippets to larger Unicode strings. This is tested by this
+        # method. Note that cStringIO does not support this extension.
+
+        f = self.MODULE.StringIO()
+        f.write(self._line[:6])
+        f.seek(3)
+        f.write(unicode(self._line[20:26]))
+        f.write(unicode(self._line[52]))
+        s = f.getvalue()
+        self.assertEqual(s, unicode('abcuvwxyz!'))
+        self.assertEqual(type(s), types.UnicodeType)
+
+class TestcStringIO(TestGenericStringIO):
+    MODULE = cStringIO
+
+    @unittest.skipIf(test_support.is_jython, "FIXME #1862: not working in Jython")
+    def test_array_support(self):
+        # Issue #1730114: cStringIO should accept array objects
+        a = array.array('B', [0,1,2])
+        f = self.MODULE.StringIO(a)
+        self.assertEqual(f.getvalue(), '\x00\x01\x02')
+
+    def test_unicode(self):
+
+        if not test_support.have_unicode: return
+
+        # The cStringIO module converts Unicode strings to character
+        # strings when writing them to cStringIO objects.
+        # Check that this works.
+
+        f = self.MODULE.StringIO()
+        f.write(u'abcde')
+        s = f.getvalue()
+        self.assertEqual(s, 'abcde')
+        self.assertEqual(type(s), str)
+
+        f = self.MODULE.StringIO(u'abcde')
+        s = f.getvalue()
+        self.assertEqual(s, 'abcde')
+        self.assertEqual(type(s), str)
+
+        if not test_support.is_jython: #FIXME #1862: not working in Jython
+            self.assertRaises(UnicodeEncodeError, self.MODULE.StringIO, u'\xf4')
+
+
+import sys
+if sys.platform.startswith('java'):
+    # Jython doesn't have a buffer object, so we just do a useless
+    # fake of the buffer tests.
+    buffer = str
+
+class TestBufferStringIO(TestStringIO):
+    constructor = buffer
+
+class TestBuffercStringIO(TestcStringIO):
+    constructor = buffer
+
+
+def test_main():
+    test_support.run_unittest(TestStringIO, TestcStringIO)
+    with test_support.check_py3k_warnings(("buffer.. not supported",
+                                             DeprecationWarning)):
+        test_support.run_unittest(TestBufferStringIO, TestBuffercStringIO)
+
+if __name__ == '__main__':
+    test_main()

-- 
Repository URL: http://hg.python.org/jython


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