def test_milliseconds(self):
base = DTS(2005, 3, 15, 10, 45, 10)
start = base + 0.0028
end = base + 0.0075
ticks = trange(start, end, milliseconds=1)
desired = [base + i for i in (0.003, 0.004, 0.005, 0.006, 0.007)]
self.check_ticks(ticks, desired)
ticks = trange(start, end, milliseconds=2)
self.check_ticks(ticks, (base+0.004, base+0.006))
def test_daily(self):
base = DTS(2005, 1, 1)
secs_per_day = 24*3600
ticks = trange(base, base + secs_per_day*5, days=1)
desired = [base+i*secs_per_day for i in range(6)]
print "ticks: ", ticks
print "desired: ", desired
self.check_ticks(ticks, desired)
def test_hourly(self):
# test between Feb 29,2004 10:15pm and Mar 1st 3:15am
ticks = trange(DTS(2004, 2, 29, 22, 15),
DTS(2004, 3, 1, 3, 15),
hours=1)
start = DTS(2004, 2, 29, 23)
desired = [start + i * 3600 for i in range(5)]
self.check_ticks(ticks, desired)
def test_null_ranges(self):
ranges = (
((2005,3,15,10,23,15), (2005,3,15,10,23,45), {"minutes":1}),
((2005,3,15,10,23), (2005,3,15,10,47), {"hours":1}),
((2005,3,15,5,23), (2005,3,15,18,43), {"days":1}),
((2005,3,15,10,30), (2005,12,25,18,30), {"years":1})
)
for start, end, kw in ranges:
self.assert_empty(trange(DTS(*start), DTS(*end), **kw))
return
def test_microseconds(self):
# Testing the microsecond scale is dicey--`base` is a 10 digit integer,
# so an increment of, say, 3 microseconds is only about a factor of 10
# more than machine precision.
base = DTS(2005, 3, 15, 10, 45, 10)
print "base: ", base
start = base + 0.0000027
end = base + 0.0000177
ticks = trange(start, end, microseconds=5)
desired = [base+i for i in (5e-6, 10e-6, 15e-6)]
print "ticks: ", ticks
print "desired: ", desired
self.check_ticks(ticks, desired)
def test_multiday_increment(self):
start = DTS(2005, 1, 1)
ticks = trange(start, start + 9*24*3600, days=3)
desired = [start+i*3*24*3600 for i in range(4)]
print "ticks: ", ticks, " desired: ", desired
self.check_ticks(ticks, desired)
def test_hourly(self):
# test between Feb 29,2004 10:15pm and Mar 1st 3:15am
ticks = trange(DTS(2004,2,29,22,15), DTS(2004,3,1,3,15), hours=1)
start = DTS(2004,2,29,23)
desired = [start + i*3600 for i in range(5)]
self.check_ticks(ticks, desired)
def test_daily_leap(self):
start = DTS(2004, 2, 27)
end = DTS(2004, 3, 2)
ticks = trange(start, end, days=1)
desired = [start + i*24*3600 for i in range(5)]
self.check_ticks(ticks, desired)
