def test_ghosts(self, dts):
tmfrspec_dict = {
'range_unit': 'QUARTER',
'range_val': 1,
'gran_unit': 'WEEK',
'smooth_unit': 'DAY',
'smooth_val': 14,
'mode': 'CURRENT',
'reframe_dt': dt('2014-02-14 16:30:45 001234'),
}
tmfrspec = framespec.FrameSpec(**tmfrspec_dict)
#
steps = list(stepper.Stepper(tmfrspec, ghost=None).steps())
assert steps[0].anchor == dt('2014-01-01 00:00:00 000000')
#
g1 = "Not a Ghost"
with pytest.raises(TypeError):
steps = list(stepper.Stepper(tmfrspec, ghost=g1).steps())
#
g1 = ghost.Ghost('PREV_PERIOD1')
str(g1)
steps = list(stepper.Stepper(tmfrspec, ghost=g1).steps())
assert steps[0].anchor == dt('2013-10-01 00:00:00 000000')
#
g1 = ghost.Ghost('PREV_PERIOD2')
steps = list(stepper.Stepper(tmfrspec, ghost=g1).steps())
assert steps[0].anchor == dt('2013-07-01 00:00:00 000000')
#
g1 = ghost.Ghost('PREV_YEAR1')
steps = list(stepper.Stepper(tmfrspec, ghost=g1).steps())
assert steps[0].anchor == dt('2013-01-01 00:00:00 000000')
#
g1 = ghost.Ghost('PREV_YEAR2')
steps = list(stepper.Stepper(tmfrspec, ghost=g1).steps())
assert steps[0].anchor == dt('2012-01-01 00:00:00 000000')
def _steps(self, tmfrspec_dict, options=dict()):
"""Given dict of FrameSpec attrs, return list of steps."""
tmfrspec = framespec.FrameSpec(**tmfrspec_dict)
step1 = stepper.Stepper(tmfrspec)
for o, v in options.iteritems():
step1.set_option(o, v)
steps = list(step1.steps())
# print "steps=", len(steps), "\n", "\n".join([str(s) for s in steps])
return steps
def test_qtimeframe(self):
qtimeframe1 = qtimeframe.QTimeFrame()
str(qtimeframe1)
qtimeframe1.tmfrspec = framespec.FrameSpec()
assert qtimeframe1.tmfrspec
with pytest.raises(TypeError):
qtimeframe1.tmfrspec = 'Not FrameSpec'
self.query1.qtimeframe = qtimeframe1
with pytest.raises(TypeError):
self.query1.qtimeframe = 'Not QTimeFrame'
def test_str(self, dts):
tmfrspec_dict = {
'range_unit': 'MONTH',
'range_val': 1,
'gran_unit': 'DAY',
'mode': 'CURRENT',
}
frspec = framespec.FrameSpec(**tmfrspec_dict)
step1 = stepper.Stepper(frspec)
str(step1)
def test_invalid(self):
tmfrspec = framespec.FrameSpec()
with pytest.raises(ValueError):
framespec.FrameSpec(range_unit='BOGUSUNIT')
with pytest.raises(TypeError):
framespec.FrameSpec(range_val='not an int')
with pytest.raises(ValueError):
framespec.FrameSpec(gran_unit='BOGUSUNIT')
with pytest.raises(ValueError):
framespec.FrameSpec(mode='BOGUSMODE')
with pytest.raises(TypeError):
framespec.FrameSpec(reframe_dt='not a datetime')
def test_ghosts_complex(self, dts):
tmfrspec_dict = {
'range_unit': 'DAY',
'range_val': 7,
'gran_unit': 'DAY',
'mode': 'CURRENT',
'reframe_dt': dt('2014-02-14 16:30:45 001234'),
}
tmfrspec = framespec.FrameSpec(**tmfrspec_dict)
#
steps = list(stepper.Stepper(tmfrspec, ghost=None).steps())
assert len(steps) == 7
assert steps[0].anchor == dt('2014-02-08 00:00:00 000000')
#
g1 = ghost.Ghost('PREV_PERIOD1')
steps = list(stepper.Stepper(tmfrspec, ghost=g1).steps())
assert steps[0].anchor == dt('2014-02-01 00:00:00 000000')
#
g1 = ghost.Ghost('PREV_PERIOD2')
steps = list(stepper.Stepper(tmfrspec, ghost=g1).steps())
assert steps[0].anchor == dt('2014-01-25 00:00:00 000000')
def tmfrspecs():
"""Fixture with common FrameSpec objects."""
return [
framespec.FrameSpec(),
framespec.FrameSpec(smooth_val=4, smooth_unit='HOUR')
]
def test_smooth(self):
tmfrspec = framespec.FrameSpec(smooth_val=4, smooth_unit='HOUR')
assert tmfrspec.smooth_val == 4
def test_reframe(self, dts, tmfrspecs):
assert tmfrspecs[0].is_reframed() == False
tmfrspecs[0].reframe_dt = dts[4]
assert tmfrspecs[0].is_reframed() == True
tmfrspec = framespec.FrameSpec(reframe_dt=dts[4])
assert tmfrspec.is_reframed() == True
def test_str(self):
tmfrspec = framespec.FrameSpec()
str(tmfrspec)
def test_simple(self):
tmfrspec = framespec.FrameSpec()