Convert gzip test suite to use unittest
diff --git a/Lib/test/test_gzip.py b/Lib/test/test_gzip.py
index 41abc5a..9e5cb03 100644
--- a/Lib/test/test_gzip.py
+++ b/Lib/test/test_gzip.py
@@ -1,8 +1,12 @@
-from test.test_support import verify, TESTFN
+#! /usr/bin/env python
+"""Test script for the gzip module.
+"""
+
+import unittest
+from test import test_support
import sys, os
import gzip
-filename = TESTFN
data1 = """ int length=DEFAULTALLOC, err = Z_OK;
PyObject *RetVal;
@@ -16,75 +20,107 @@
/* See http://www.winimage.com/zLibDll for Windows */
"""
-f = gzip.GzipFile(filename, 'wb') ; f.write(data1 * 50)
-# Try flush and fileno.
-f.flush()
-f.fileno()
-if hasattr(os, 'fsync'):
- os.fsync(f.fileno())
-f.close()
+class TestGzip(unittest.TestCase):
+ filename = test_support.TESTFN
-# Try reading.
-f = gzip.GzipFile(filename, 'r') ; d = f.read() ; f.close()
-verify(d == data1*50)
+ def setUp (self):
+ pass
-# Append to the previous file
-f = gzip.GzipFile(filename, 'ab') ; f.write(data2 * 15) ; f.close()
+ def tearDown (self):
+ try:
+ os.unlink(self.filename)
+ except os.error:
+ pass
-f = gzip.GzipFile(filename, 'rb') ; d = f.read() ; f.close()
-verify(d == (data1*50) + (data2*15))
-# Try .readline() with varying line lengths
+ def test_write (self):
+ f = gzip.GzipFile(self.filename, 'wb') ; f.write(data1 * 50)
-f = gzip.GzipFile(filename, 'rb')
-line_length = 0
-while 1:
- L = f.readline(line_length)
- if L == "" and line_length != 0: break
- verify(len(L) <= line_length)
- line_length = (line_length + 1) % 50
-f.close()
+ # Try flush and fileno.
+ f.flush()
+ f.fileno()
+ if hasattr(os, 'fsync'):
+ os.fsync(f.fileno())
+ f.close()
-# Try .readlines()
+ def test_read(self):
+ self.test_write()
+ # Try reading.
+ f = gzip.GzipFile(self.filename, 'r') ; d = f.read() ; f.close()
+ self.assertEqual(d, data1*50)
-f = gzip.GzipFile(filename, 'rb')
-L = f.readlines()
-f.close()
+ def test_append(self):
+ self.test_write()
+ # Append to the previous file
+ f = gzip.GzipFile(self.filename, 'ab') ; f.write(data2 * 15) ; f.close()
-f = gzip.GzipFile(filename, 'rb')
-while 1:
- L = f.readlines(150)
- if L == []: break
-f.close()
+ f = gzip.GzipFile(self.filename, 'rb') ; d = f.read() ; f.close()
+ self.assertEqual(d, (data1*50) + (data2*15))
-# Try seek, read test
+ def test_readline(self):
+ self.test_write()
+ # Try .readline() with varying line lengths
-f = gzip.GzipFile(filename)
-while 1:
- oldpos = f.tell()
- line1 = f.readline()
- if not line1: break
- newpos = f.tell()
- f.seek(oldpos) # negative seek
- if len(line1)>10:
- amount = 10
- else:
- amount = len(line1)
- line2 = f.read(amount)
- verify(line1[:amount] == line2)
- f.seek(newpos) # positive seek
-f.close()
+ f = gzip.GzipFile(self.filename, 'rb')
+ line_length = 0
+ while 1:
+ L = f.readline(line_length)
+ if L == "" and line_length != 0: break
+ self.assert_(len(L) <= line_length)
+ line_length = (line_length + 1) % 50
+ f.close()
-# Try seek, write test
-f = gzip.GzipFile(filename, 'w')
-for pos in range(0, 256, 16):
- f.seek(pos)
- f.write('GZ\n')
-f.close()
+ def test_readlines(self):
+ self.test_write()
+ # Try .readlines()
-f = gzip.GzipFile(filename, 'r')
-verify(f.myfileobj.mode == 'rb')
-f.close()
+ f = gzip.GzipFile(self.filename, 'rb')
+ L = f.readlines()
+ f.close()
-os.unlink(filename)
+ f = gzip.GzipFile(self.filename, 'rb')
+ while 1:
+ L = f.readlines(150)
+ if L == []: break
+ f.close()
+
+ def test_seek_read(self):
+ self.test_write()
+ # Try seek, read test
+
+ f = gzip.GzipFile(self.filename)
+ while 1:
+ oldpos = f.tell()
+ line1 = f.readline()
+ if not line1: break
+ newpos = f.tell()
+ f.seek(oldpos) # negative seek
+ if len(line1)>10:
+ amount = 10
+ else:
+ amount = len(line1)
+ line2 = f.read(amount)
+ self.assertEqual(line1[:amount], line2)
+ f.seek(newpos) # positive seek
+ f.close()
+
+ def test_seek_write(self):
+ # Try seek, write test
+ f = gzip.GzipFile(self.filename, 'w')
+ for pos in range(0, 256, 16):
+ f.seek(pos)
+ f.write('GZ\n')
+ f.close()
+
+ def test_mode(self):
+ self.test_write()
+ f = gzip.GzipFile(self.filename, 'r')
+ self.assertEqual(f.myfileobj.mode, 'rb')
+ f.close()
+
+def test_main(verbose=None):
+ test_support.run_unittest(TestGzip)
+
+if __name__ == "__main__":
+ test_main(verbose=True)