Mark Hammond: test suite for new winreg module.

Lib/test/output/test_winreg

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+test_winreg
+Local registry tests worked
+Remote registry calls can be tested using 'test_winreg.py --remote \\machine_name'
+

Lib/test/test_winreg.py

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+# Test the windows specific win32reg module.
+# Only win32reg functions not hit here: FlushKey, LoadKey and SaveKey
+
+from winreg import *
+import os, sys
+
+test_key_name = "SOFTWARE\\Python Registry Test Key - Delete Me"
+
+test_data = [
+    ("Int Value",     45,                                      REG_DWORD),
+    ("String Val",    "A string value",                        REG_SZ,),
+    (u"Unicode Val",  u"A Unicode value",                      REG_SZ,),
+    ("StringExpand",  "The path is %path%",                    REG_EXPAND_SZ),
+    ("UnicodeExpand", u"The path is %path%",                   REG_EXPAND_SZ),
+    ("Multi-string",  ["Lots", "of", "string", "values"],      REG_MULTI_SZ),
+    ("Multi-unicode", [u"Lots", u"of", u"unicode", u"values"], REG_MULTI_SZ),
+    ("Multi-mixed",   [u"Unicode", u"and", "string", "values"],REG_MULTI_SZ),
+    ("Raw Data",      ("binary"+chr(0)+"data"),                REG_BINARY),
+]
+
+def WriteTestData(root_key):
+    # Set the default value for this key.
+    SetValue(root_key, test_key_name, REG_SZ, "Default value")
+    key = CreateKey(root_key, test_key_name)
+    # Create a sub-key
+    sub_key = CreateKey(key, "sub_key")
+    # Give the sub-key some named values
+
+    for value_name, value_data, value_type in test_data:
+        SetValueEx(sub_key, value_name, 0, value_type, value_data)
+
+    # Check we wrote as many items as we thought.
+    nkeys, nvalues, since_mod = QueryInfoKey(key)
+    assert nkeys==1, "Not the correct number of sub keys"
+    assert nvalues==1, "Not the correct number of values"
+    nkeys, nvalues, since_mod = QueryInfoKey(sub_key)
+    assert nkeys==0, "Not the correct number of sub keys"
+    assert nvalues==len(test_data), "Not the correct number of values"
+    # Close this key this way...
+    # (but before we do, copy the key as an integer - this allows
+    # us to test that the key really gets closed).
+    int_sub_key = int(sub_key)
+    CloseKey(sub_key)
+    try:
+    	QueryInfoKey(int_sub_key)
+    	raise RuntimeError, "It appears the CloseKey() function does not close the actual key!"
+    except EnvironmentError:
+    	pass
+    # ... and close that key that way :-)
+    int_key = int(key)
+    key.Close()
+    try:
+    	QueryInfoKey(int_key)
+    	raise RuntimeError, "It appears the key.Close() function does not close the actual key!"
+    except EnvironmentError:
+    	pass
+
+def ReadTestData(root_key):
+    # Check we can get default value for this key.
+    val = QueryValue(root_key, test_key_name)
+    assert val=="Default value", "Registry didnt give back the correct value"
+
+    key = OpenKey(root_key, test_key_name)
+    # Read the sub-keys
+    sub_key = OpenKey(key, "sub_key")
+    # Check I can enumerate over the values.
+    index = 0
+    while 1:
+        try:
+            data = EnumValue(sub_key, index)
+        except EnvironmentError:
+            break
+        assert data in test_data, "didnt read back the correct test data."
+        index = index + 1
+    assert index==len(test_data), "Didnt read the correct number of items"
+    # Check I can directly access each item
+    for value_name, value_data, value_type in test_data:
+        read_val, read_typ = QueryValueEx(sub_key, value_name)
+        assert read_val==value_data and read_typ == value_type, \
+               "Could not directly read the value"
+    sub_key.Close()
+    # Enumerate our main key.
+    read_val = EnumKey(key, 0)
+    assert read_val == "sub_key", "Read subkey value wrong"
+    try:
+        EnumKey(key, 1)
+        assert 0, "Was able to get a second key when I only have one!"
+    except EnvironmentError:
+        pass
+
+    key.Close()
+
+def DeleteTestData(root_key):
+    key = OpenKey(root_key, test_key_name, 0, KEY_ALL_ACCESS)
+    sub_key = OpenKey(key, "sub_key", 0, KEY_ALL_ACCESS)
+    # It is not necessary to delete the values before deleting
+    # the key (although subkeys must not exist).  We delete them
+    # manually just to prove we can :-)
+    for value_name, value_data, value_type in test_data:
+        DeleteValue(sub_key, value_name)
+
+    nkeys, nvalues, since_mod = QueryInfoKey(sub_key)
+    assert nkeys==0 and nvalues==0, "subkey not empty before delete"
+    sub_key.Close()
+    DeleteKey(key, "sub_key")
+
+    try:
+        # Shouldnt be able to delete it twice!
+        DeleteKey(key, "sub_key")
+        assert 0, "Deleting the key twice succeeded"
+    except EnvironmentError:
+        pass
+    key.Close()
+    DeleteKey(root_key, test_key_name)
+    # Opening should now fail!
+    try:
+        key = OpenKey(root_key, test_key_name)
+        assert 0, "Could open the non-existant key"
+    except WindowsError: # Use this error name this time
+        pass
+
+def TestAll(root_key):
+    WriteTestData(root_key)
+    ReadTestData(root_key)
+#    DeleteTestData(root_key)
+
+# Test on my local machine.
+TestAll(HKEY_CURRENT_USER)
+print "Local registry tests worked"
+try:
+    remote_name = sys.argv[sys.argv.index("--remote")+1]
+except (IndexError, ValueError):
+    remote_name = None
+
+if remote_name is not None:
+    try:
+        remote_key = ConnectRegistry(remote_name, HKEY_CURRENT_USER)
+    except EnvironmentError, exc:
+        print "Could not connect to the remote machine -", exc.strerror
+        remote_key = None
+    if remote_key is not None:
+        TestAll(remote_key)
+        print "Remote registry tests worked"
+else:
+    print "Remote registry calls can be tested using",
+    print "'test_winreg.py --remote \\\\machine_name'"
+