.

wcfs/test.sh

@@ -4,7 +4,7 @@
 if test -z "$qrun_loglevel"; then
 	go build # rebuild wcfs		TODO also test with -race
 	linux=${LINUX:-$HOME/src/linux/linux/arch/`uname -m`/boot/bzImage}
-	exec ../t/qemu-runlinux "$linux" $0
+	exec ../t/qemu-runlinux "$linux" $0 "$@"
 fi
 
 # executed under qemu-runlinux
@@ -14,4 +14,4 @@ py.test	\
 	`# https://stackoverflow.com/a/47893653/9456786`	\
 	-p no:cacheprovider	\
  \
-	-vsx -k test_wcfs
+	"$@"

wcfs/wcfs_test.py

@@ -1362,7 +1362,7 @@ def test_wcfs_watch_robust():
             " head/at (@%s); …" % (h(zf._p_oid), h(atpast), h(t.head)))
     wl.close()
 
-# verify that watch file @at when it did not existed -> error
+# verify that `watch file @at` -> error, for @at when file did not existed.
 @xfail  # check that file exists @at
 @func
 def test_wcfs_watch_before_create():
@@ -1386,7 +1386,7 @@ def test_wcfs_watch_before_create():
 
 
 # verify that watch @at_i -> @at_j ↓ is rejected
-# XXX we might want to allow going back in history.
+# XXX we might want to allow going back in history later.
 @func
 def test_wcfs_watch_going_back():
     t = tDB(); zf = t.zfile
@@ -1452,7 +1452,7 @@ def test_wcfs_pintimeout_kill():
     wg.wait()
 
 
-# watch with @at > head - must wait for head to become >= at
+# watch with @at > head - must wait for head to become >= at.
 # XXX too far ahead - reject?
 @func
 def test_wcfs_watch_setup_ahead():
@@ -1461,7 +1461,7 @@ def test_wcfs_watch_setup_ahead():
 
     f = t.open(zf)
     at1 = t.commit(zf, {2:'c1'})
-    f.assertData(['','x','c1'])     # NOTE #1 not accessed
+    f.assertData(['','x','c1'])     # NOTE #1 not accessed for watch @at1 to receive no pins
 
     wg = sync.WorkGroup(timeout())
     dt = 100*time.millisecond
@@ -1680,7 +1680,8 @@ def test_wcfs_watch_vs_access():
 
 
 # verify that on pin message, while under pagefault, we can mmap @at/f[blk]
-# into where head/f[blk] was mmaped.
+# into where head/f[blk] was mmaped; the result of original pagefaulting read
+# must be from newly insterted mapping.
 @func
 def test_wcfs_remmap_on_pin():
     t = tDB(); zf = t.zfile
@@ -1705,8 +1706,7 @@ def test_wcfs_remmap_on_pin():
     f._assertBlk(2, 'hello', {wl: {2:at1}}, pinfunc=_)     # NOTE not world
 
 
-# verify that pin message is not sent for the same blk@at the second time, if
-# it was already sent once.
+# verify that pin message is not sent for the same blk@at twice.
 @func
 def test_wcfs_no_pin_twice():
     t = tDB(); zf = t.zfile
@@ -1781,7 +1781,7 @@ def test_wcfs_watch_2files():
 
 
 
-    # XXX new watch request while previous watch request is in progress (over the same /head/watch handle)
+# XXX new watch request while previous watch request is in progress (over the same /head/watch handle)