def test_get_time_value():
'make sure get_time_value goes to correct C++ derived class function'
shio = CyShioTime(shio_file)
t = time_utils.date_to_sec(datetime(2012, 8, 20, 13))
time = [t + 3600.*dt for dt in range(10)]
vel_rec = shio.get_time_value(time)
assert all(vel_rec['u'] != 0)
assert all(vel_rec['v'] == 0)
def test_exceptions():
bad_file = os.path.join('./', 'CLISShio.txtX')
bad_yeardata_path = os.path.join('./', 'Data', 'yeardata')
with pytest.raises(IOError):
CyShioTime(bad_file)
with pytest.raises(IOError):
shio = CyShioTime(shio_file)
shio.set_shio_yeardata_path(bad_yeardata_path)
def test_yeardata():
shio = CyShioTime(shio_file)
assert shio.yeardata == ''
yd = os.path.join(os.path.dirname(gnome.__file__), 'data',
'yeardata')
shio.yeardata = yd
# shio puts a trailing slash at the end that is platform dependent
# so compare the names without the platform dependent trailing slash
assert shio.yeardata[:-1] == yd
def test_yeardata():
'test default yeardata is set correctly. Also test set function.'
shio = CyShioTime(shio_file)
yd = os.path.join(os.path.dirname(gnome.__file__), 'data', 'yeardata')
# shio puts a trailing slash at the end that is platform dependent
# so compare the names without the platform dependent trailing slash
assert shio.yeardata[:-1] == yd
# bogus path but we just want to test that it gets set
shio.yeardata = yd
assert shio.yeardata[:-1] == yd
def test_properties_read_from_file():
""" read only properties """
shio = CyShioTime(shio_file)
print shio.filename
with open(shio_file) as fh:
data = fh.read()
for (item, prop) in check_items.iteritems():
s_idx = data.find(item)
e_idx = data.find('\n', s_idx)
val = getattr(shio, prop)
if item == 'Longitude=':
assert round(val[0], 4) == round(float(data[s_idx +
len(item):e_idx]), 4)
elif item == 'Latitude=':
assert round(val[1], 4) == round(float(data[s_idx
+ len(item):e_idx]), 4)
else:
assert val == data[s_idx + len(item):e_idx]
assert not shio.daylight_savings_off
assert shio.path_filename == shio_file
def _obj_to_create(self, filename):
"""
open file, read a few lines to determine if it is an ossm file
or a shio file
"""
# mode 'U' means universal newline support
fh = open(filename, 'rU')
lines = [fh.readline() for i in range(4)]
if len(lines[1]) == 0:
# look for \r for lines instead of \n
lines = string.split(lines[0], '\r', 4)
if len(lines[1]) == 0:
# if this is still 0, then throw an error!
raise ValueError('This does not appear to be a valid file format '
'that can be read by OSSM or Shio to get '
'tide information')
# look for following keywords to determine if it is a Shio or OSSM file
shio_file = ['[StationInfo]', 'Type=', 'Name=', 'Latitude=']
if all([shio_file[i] == (lines[i])[:len(shio_file[i])]
for i in range(4)]):
return CyShioTime(filename)
elif len(string.split(lines[3], ',')) == 7:
# maybe log / display a warning that v=0 for tide file and will be
# ignored
# if float( string.split(lines[3],',')[-1]) != 0.0:
return CyTimeseries(filename, file_format=tsformat('uv'))
else:
raise ValueError('This does not appear to be a valid file format '
'that can be read by OSSM or Shio to get '
'tide information')
def test_eq():
shio = CyShioTime(shio_file)
other_shio = CyShioTime(shio_file)
assert shio == other_shio
other_shio = CyShioTime(shio_file)
other_shio.daylight_savings_off = True
assert shio != other_shio
other_shio = CyShioTime(shio_file)
other_shio.scale_factor = 2
assert shio != other_shio
def test_eval_repr():
print "in test_eval_repr: shio_file is:", shio_file
shio = CyShioTime(shio_file)
print "the repr is:", repr(shio)
other_shio = eval(repr(shio))
assert shio == other_shio
yd = os.path.join(os.path.dirname(gnome.__file__), 'data', 'yeardata')
shio.yeardata = yd
other_shio = eval(repr(shio))
assert shio == other_shio
shio.daylight_savings_off = False
other_shio = eval(repr(shio))
assert shio == other_shio
shio.scale_factor = 2
other_shio = eval(repr(shio))
assert shio == other_shio
def test_eq():
shio = CyShioTime(shio_file)
other_shio = CyShioTime(shio_file)
assert shio == other_shio
other_shio = CyShioTime(shio_file)
other_shio.daylight_savings_off = True
assert shio != other_shio
other_shio = CyShioTime(shio_file)
other_shio.scale_factor = 2
assert shio != other_shio
other_shio = CyShioTime(shio_file)
yd = os.path.join(os.path.dirname(gnome.__file__), 'data', 'yeardata')
other_shio.yeardata = yd
assert shio != other_shio
def test_scale_factor():
shio = CyShioTime(shio_file)
assert shio.scale_factor == 1
shio.scale_factor = 2
assert shio.scale_factor == 2
def test_daylight_savings_off():
shio = CyShioTime(shio_file)
assert not shio.daylight_savings_off
shio.daylight_savings_off = True
assert shio.daylight_savings_off
