r14854: Finish off swig wrapper and torture tests for tdb.

source/scripting/swig/Tdb.py

@@ -22,24 +22,86 @@
 
 import tdb, os, UserDict
 
+# Open flags
+
+DEFAULT        = tdb.TDB_DEFAULT
+CLEAR_IF_FIRST = tdb.TDB_CLEAR_IF_FIRST
+INTERNAL       = tdb.TDB_INTERNAL
+NOLOCK         = tdb.TDB_NOLOCK
+NOMMAP         = tdb.TDB_NOMMAP
+
+# Class representing a TDB file
+
 class Tdb:
 
-    def __init__(self, name, hash_size = 0, tdb_flags = tdb.TDB_DEFAULT,
-                 open_flags = os.O_RDWR | os.O_CREAT, mode = 0600):
+    # Create and destroy Tdb objects
 
-        self.tdb = tdb.open(name, hash_size, tdb_flags, open_flags, mode)
+    def __init__(self, name, hash_size = 0, flags = tdb.TDB_DEFAULT,
+                 open_flags = os.O_RDWR | os.O_CREAT, mode = 0600):
+        self.tdb = tdb.open(name, hash_size, flags, open_flags, mode)
 
     def __del__(self):
-        tdb.close(self.tdb)
+        if hasattr(self, 'tdb'):
+            tdb.close(self.tdb)
+
+    # Random access to keys, values
 
     def __getitem__(self, key):
-        pass
+        result = tdb.fetch(self.tdb, key)
+        if result is None:
+            raise KeyError, key
+        return result
 
     def __setitem__(self, key, item):
-        pass
+        tdb.store(self.tdb, key, item)
 
     def __delitem__(self, key):
-        pass
+        if not tdb.exists(self.tdb, key):
+            raise KeyError, key
+        tdb.delete(self.tdb, key)
+
+    def has_key(self, key):
+        return tdb.exists(self.tdb, key)
+
+    # Tdb iterator
+
+    class TdbIterator:
+        def __init__(self, tdb):
+            self.tdb = tdb
+            self.key = None
+
+        def __iter__(self):
+            return self
+            
+        def next(self):
+            if self.key is None:
+                self.key = tdb.firstkey(self.tdb)
+                if self.key is None:
+                    raise StopIteration
+                return self.key
+            else:
+                self.key = tdb.nextkey(self.tdb, self.key)
+                if self.key is None:
+                    raise StopIteration
+                return self.key
+
+    def __iter__(self):
+        return Tdb.TdbIterator(self.tdb)
+
+    # Implement other dict functions using TdbIterator
 
     def keys(self):
-        pass
+        return [k for k in iter(self)]
+
+    def values(self):
+        return [self[k] for k in iter(self)]
+
+    def items(self):
+        return [(k, self[k]) for k in iter(self)]
+
+    def __len__(self):
+        return len(self.keys())
+
+    def clear(self):
+        for k in iter(self):
+            del(self[k])

source/scripting/swig/torture/torture_tdb.py

@@ -1,6 +1,82 @@
 #!/usr/bin/python
 
-import Tdb, os
+import sys, os
+import Tdb
 
-t = Tdb.Tdb('foo.tdb')
-os.unlink('foo.tdb')
+def fail(msg):
+    print 'FAILED:', msg
+    sys.exit(1)
+
+tdb_file = '/tmp/torture_tdb.tdb'
+
+# Create temporary tdb file
+
+t = Tdb.Tdb(tdb_file, flags = Tdb.CLEAR_IF_FIRST)
+
+# Check non-existent key throws KeyError exception
+
+try:
+    t['__none__']
+except KeyError:
+    pass
+else:
+    fail('non-existent key did not throw KeyError')
+
+# Check storing key
+
+t['bar'] = '1234'
+if t['bar'] != '1234':
+    fail('store key failed')
+
+# Check key exists
+
+if not t.has_key('bar'):
+    fail('has_key() failed for existing key')
+
+if t.has_key('__none__'):
+    fail('has_key() succeeded for non-existent key')
+
+# Delete key
+
+try:
+    del(t['__none__'])
+except KeyError:
+    pass
+else:
+    fail('delete of non-existent key did not throw KeyError')
+
+del t['bar']
+if t.has_key('bar'):
+    fail('delete of existing key did not delete key')
+
+# Clear all keys
+
+t.clear()
+if len(t) != 0:
+    fail('clear failed to remove all keys')
+
+# Other dict functions
+
+t['a'] = '1'
+t['ab'] = '12'
+t['abc'] = '123'
+
+if len(t) != 3:
+    fail('len method produced wrong value')
+
+keys = t.keys()
+values = t.values()
+items = t.items()
+
+if set(keys) != set(['a', 'ab', 'abc']):
+    fail('keys method produced wrong values')
+
+if set(values) != set(['1', '12', '123']):
+    fail('values method produced wrong values')
+
+if set(items) != set([('a', '1'), ('ab', '12'), ('abc', '123')]):
+    fail('values method produced wrong values')
+
+# Clean up
+
+os.unlink(tdb_file)