.

wcfs/wcfs_test.py

@@ -1692,7 +1692,31 @@ def test_wcfs_watch_2files():
 
 # ---- wcfs.py + virtmem integration ----
 
-# XXX text ...
+# tMapping provides testing environment for Mapping.
+class tMapping(object):
+    def __init__(t, mmap):
+        t.mmap = mmap
+
+    # XXX assertCache
+
+    # assertBlk asserts that mmap[·] with · corresponding to blk has reads as dataok.
+    # see also: tFile.assertBlk .
+    def assertBlk(t, blk, dataok):
+        assert t.mmap.blk_start <= blk < t.mmap.blk_stop
+        blk_inmmap = blk - t.mmap.blk_start
+
+        if not isinstance(dataok, bytes):
+            dataok = dataok.encode('utf-8')
+        f = t.mmap.file
+        assert len(dataok) <= f.blksize
+        dataok += b'\0'*(f.blksize - len(dataok))   # trailing zeros
+
+        blkview = memoryview(t.mmap.mem[blk_inmmap*f.blksize:][:f.blksize])
+        assert blkview.tobytes() == dataok
+
+    # XXX assertData
+
+# test_wcfspy_virtmem verifies wcfs.py integration with virtmem.
 @func
 def test_wcfspy_virtmem():
     t = tDB(); zf = t.zfile
@@ -1711,6 +1735,21 @@ def test_wcfspy_virtmem():
     assert m1.blk_stop  == 5
     assert len(m1.mem)  == 3*zf.blksize
 
+    f = m1.file
+    t1 = tMapping(m1)
+
+    #assertCache(m1, [0,0,0])
+    assert f.pinned == {}
+
+    t1.assertBlk(2, 'c1')
+    assert f.pinned == {2:at1}
+    t1.assertBlk(3, 'd1')
+    assert f.pinned == {2:at1}
+    t1.assertBlk(3, 'x')
+    assert f.pinned == {2:at1}
+
+    #assertData (m1, ['c1','d1',''])
+
 
 # ---- misc ---