.

wcfs/internal/xbtree_test.py

@@ -729,19 +729,64 @@ def test_restructure():
 
 
     # make sure changed objects are marked as such and so included into commit
-    z = Z(0,2)
+    z = Z(0,2,3)
     transaction.commit()
-    R(z, 'T1/B0:a-B2:c')
+    def Rz(newtopo):
+        R(z, newtopo)
         transaction.commit()
-    assert Sv(z) == 'T1/B0:a-B2:c'
+        assert Sv(z) == newtopo
         zconn.cacheMinimize()    # force z state to be reloaded from storage
-    assert Sv(z) == 'T1/B0:a-B2:c'  # will fail if T or B is not marked as changed
+        assert Sv(z) == newtopo  # will fail if T or B is not marked as changed
+        xbtree._zbcheck(z)
+
+    Rz('T/B0:a,2:c,3:d')
+    Rz('T1/B0:a-B2:c,3:d')
+    Rz('T2/B0:a-B2:c,3:d')
+    Rz('T3/B0:a,2:c-B3:d')
+    Rz('T2/T-T3/B0:a-B2:c-B3:d')
+
+
 
-    R(z, 'T/B0:a,2:c')              # one more similar check
+    """
+    # XXX T/T1/T-T/B0:g-B1:e,2:d,3:h -> T1/T-T3/B0:g-T-T/B1:e,2:d-B3:h
+    # (commit asserts that nothing is changed)
+
+    # XXX leads restructure to generate corrupt btrees
+    z = Z()
     transaction.commit()
-    assert Sv(z) == 'T/B0:a,2:c'
+    z[0] = xdecode('g')
+    z[1] = xdecode('e')
+    z[2] = xdecode('d')
+    z[3] = xdecode('h')
+    R(z, 'T/T1/T-T/B0:g-B1:e,2:d,3:h')
+    transaction.commit()
+    assert Sv(z) == 'T/T1/T-T/B0:g-B1:e,2:d,3:h'
+    zconn.cacheMinimize()
+    assert Sv(z) == 'T/T1/T-T/B0:g-B1:e,2:d,3:h'
+    xbtree._zbcheck(z)
+
+    z[0] = xdecode('h')
+    z[1] = xdecode('b')
+    del z[2]
+    del z[3]
+    R(z, 'T1/B0:h-B1:b')
+    transaction.commit()
+    assert Sv(z) == 'T1/B0:h-B1:b'
     zconn.cacheMinimize()
-    assert Sv(z) == 'T/B0:a,2:c'
+    assert Sv(z) == 'T1/B0:h-B1:b'  # XXX fails here
+    xbtree._zbcheck(z)
+
+    z[0] = xdecode('g')
+    z[1] = xdecode('e')
+    z[2] = xdecode('d')
+    z[3] = xdecode('h')
+    R(z, 'T1/T-T3/B0:g-T-T/B1:e,2:d-B3:h')
+    transaction.commit()
+    assert Sv(z) == 'T1/T-T3/B0:g-T-T/B1:e,2:d-B3:h'
+    zconn.cacheMinimize()
+    assert Sv(z) == 'T1/T-T3/B0:g-T-T/B1:e,2:d-B3:h'
+    xbtree._zbcheck(z)
+    """
 
 
     # ---- tests on automatically generated topologies ----