def trial(num_bins=1, size_bin=500, after_rm=None, max_delta=0.05):
from sh import imgbase, rm, ls
def img_free():
return float(imgbase("layout", "--free-space"))
imgbase = imgbase.bake("--debug")
a = img_free()
[dd(B, size_bin) for B in iter(range(0, num_bins))]
print("Files which were created")
print(ls("-shal", *glob.glob("/var/tmp/*.bin")))
b = img_free()
print("Files are getting removed")
rm("-f", *glob.glob("/var/tmp/*.bin"))
after_rm()
c = img_free()
ratio = a / c
print(a, b, c, ratio)
delta = 1 - ratio
assert delta < max_delta, \
"Delta %s is larger than %s" % (delta, max_delta)
def test_basic(self):
from sh import imgbase, touch
# All subsequent imgbase calls include the debug arg
imgbase = imgbase.bake("--debug")
assert "Image-0.0" in imgbase.layout()
assert "Image-0.1" in imgbase.layout()
log(imgbase.layer("--add"))
assert "Image-0.2" in imgbase.layer("--latest")
touch("/root/marker")
touch("/var/tmp/marker")
diff = imgbase("--debug", "diff", "Image-0.1", "Image-0.2")
print(diff)
assert "/root/marker" in diff
assert "/var/tmp/marker" not in diff
def test_imgbase(self):
from sh import imgbase, lvm
# All subsequent imgbase calls include the debug arg
imgbase = imgbase.bake("--debug")
log("Using %s" % imgbase)
log(imgbase("--version"))
log("Existing LVM layout")
log(lvm.pvs())
log(lvm.vgs())
log(lvm.lvs())
assert "HostVG" in lvm.vgs()
assert "Image-0.0" in imgbase.layout()
# Check that a current layer exists
imgbase.layer("--current")
def test_imgbase(self):
from sh import imgbase, lvm
# All subsequent imgbase calls include the debug arg
imgbase = imgbase.bake("--debug")
log("Using %s" % imgbase)
log(imgbase("--version"))
log("Existing LVM layout")
log(lvm.pvs())
log(lvm.vgs())
log(lvm.lvs())
assert "HostVG" in lvm.vgs()
assert "Image-0.0" in imgbase.layout()
# Check that a current layer exists
imgbase.layer("--current")
def trial(num_bins=1, size_bin=500, after_rm=None, max_delta=0.05):
from sh import imgbase, rm, ls
imgbase = imgbase.bake("--debug")
img_free = lambda: float(imgbase("layout", "--free-space"))
a = img_free()
[dd(B, size_bin) for B in iter(range(0, num_bins))]
print("Files which were created")
print(ls("-shal", *glob.glob("/var/tmp/*.bin")))
b = img_free()
print("Files are getting removed")
rm("-f", *glob.glob("/var/tmp/*.bin"))
after_rm()
c = img_free()
ratio = a / c
print(a, b, c, ratio)
delta = 1 - ratio
assert delta < max_delta, \
"Delta %s is larger than %s" % (delta, max_delta)
