add hg and python

sys/lib/python/test/test_gzip.py

@@ -0,0 +1,149 @@
+#! /usr/bin/env python
+"""Test script for the gzip module.
+"""
+
+import unittest
+from test import test_support
+import sys, os
+import gzip
+
+
+data1 = """  int length=DEFAULTALLOC, err = Z_OK;
+  PyObject *RetVal;
+  int flushmode = Z_FINISH;
+  unsigned long start_total_out;
+
+"""
+
+data2 = """/* zlibmodule.c -- gzip-compatible data compression */
+/* See http://www.gzip.org/zlib/
+/* See http://www.winimage.com/zLibDll for Windows */
+"""
+
+
+class TestGzip(unittest.TestCase):
+    filename = test_support.TESTFN
+
+    def setUp (self):
+        pass
+
+    def tearDown (self):
+        try:
+            os.unlink(self.filename)
+        except os.error:
+            pass
+
+
+    def test_write (self):
+        f = gzip.GzipFile(self.filename, 'wb') ; f.write(data1 * 50)
+
+        # Try flush and fileno.
+        f.flush()
+        f.fileno()
+        if hasattr(os, 'fsync'):
+            os.fsync(f.fileno())
+        f.close()
+
+    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)
+
+    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(self.filename, 'rb') ; d = f.read() ; f.close()
+        self.assertEqual(d, (data1*50) + (data2*15))
+
+    def test_many_append(self):
+        # Bug #1074261 was triggered when reading a file that contained
+        # many, many members.  Create such a file and verify that reading it
+        # works.
+        f = gzip.open(self.filename, 'wb', 9)
+        f.write('a')
+        f.close()
+        for i in range(0,200):
+            f = gzip.open(self.filename, "ab", 9) # append
+            f.write('a')
+            f.close()
+
+        # Try reading the file
+        zgfile = gzip.open(self.filename, "rb")
+        contents = ""
+        while 1:
+            ztxt = zgfile.read(8192)
+            contents += ztxt
+            if not ztxt: break
+        zgfile.close()
+        self.assertEquals(contents, 'a'*201)
+
+
+    def test_readline(self):
+        self.test_write()
+        # Try .readline() with varying line lengths
+
+        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()
+
+    def test_readlines(self):
+        self.test_write()
+        # Try .readlines()
+
+        f = gzip.GzipFile(self.filename, 'rb')
+        L = f.readlines()
+        f.close()
+
+        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)