def test_import_ddy():
"""Test import standard ddy."""
relative_path = './tests/fixtures/ddy/chicago.ddy'
abs_path = os.path.abspath(relative_path)
ddy_rel = DDY.from_ddy_file(relative_path)
ddy = DDY.from_ddy_file(abs_path)
# Test imports don't break
assert ddy.file_path == abs_path
assert ddy_rel.file_path == os.path.normpath(relative_path)
def test_ddy_from_design_day():
"""Test ddy from design day method."""
relative_path = './tests/fixtures/ddy/chicago_monthly.ddy'
ddy = DDY.from_ddy_file(relative_path)
new_ddy = DDY.from_design_day(ddy.design_days[0])
assert ddy.location == new_ddy.location
assert ddy.design_days[0] == new_ddy.design_days[0]
def test_sizing_parameter_to_ddy():
"""Test the setting of properties of SizingParameter."""
sizing = SizingParameter()
relative_path = './tests/ddy/chicago_monthly.ddy'
sizing.add_from_ddy(relative_path)
ddy_obj = DDY.from_ddy_file(relative_path)
assert sizing.to_ddy() == ddy_obj
def add_from_ddy(self, ddy_file):
"""Add all design days within a .ddy file to this object.
Args:
ddy_file: The full path to a .ddy file on this machine.
"""
ddy_obj = DDY.from_ddy_file(ddy_file)
for dday in ddy_obj:
self._design_days.append(dday)
def test_dict_methods():
"""Test dict methods for the DDY object."""
relative_path = './tests/fixtures/ddy/chicago.ddy'
ddy = DDY.from_ddy_file(relative_path)
ddy_dict = ddy.to_dict()
reconstructed_ddy = DDY.from_dict(ddy_dict)
assert ddy_dict == reconstructed_ddy.to_dict()
for dday1, dday2 in zip(ddy.design_days, reconstructed_ddy.design_days):
assert dday1 == dday2
def test_duplicate():
"""Test duplicate method for the DDY object."""
relative_path = './tests/fixtures/ddy/chicago_monthly.ddy'
ddy = DDY.from_ddy_file(relative_path)
ddy_dup = ddy.duplicate()
assert ddy is ddy
assert ddy is not ddy_dup
assert ddy == ddy_dup
ddy_dup[0].dry_bulb_condition.dry_bulb_max = 40
assert ddy != ddy_dup
def add_from_ddy_keyword(self, ddy_file, keyword):
"""Add DesignDays from a .ddy file using a keyword in the DesignDay name.
Args:
ddy_file: The full path to a .ddy file on this machine.
keyword: String for a keyword, which will be used to select DesignDays
from the .ddy file to add to this object.
"""
ddy_obj = DDY.from_ddy_file(ddy_file)
for dday in ddy_obj:
if keyword in dday.name:
self._design_days.append(dday)
def test_duplicate_design_day():
"""Test duplicate method for the DesignDay object."""
relative_path = './tests/fixtures/ddy/chicago_monthly.ddy'
ddy = DDY.from_ddy_file(relative_path)
des_day = ddy[0]
des_day_dup = des_day.duplicate()
assert des_day is des_day
assert des_day is not des_day_dup
assert des_day == des_day_dup
des_day_dup.dry_bulb_condition.dry_bulb_max = 40
assert des_day != des_day_dup
def add_from_ddy_990_010(self, ddy_file):
"""Add the 99.0% and 1.0% design days within a .ddy file to this object.
99.0% means that this percent of the hours of the year have outside heating
conditions warmer than this design day. 1.0% means that this percent of the
hours of the year have outside cooling conditions cooler than this design day.
Args:
ddy_file: The full path to a .ddy file on this machine.
"""
ddy_obj = DDY.from_ddy_file(ddy_file)
for dday in ddy_obj:
if '99%' in dday.name or '1%' in dday.name:
self._design_days.append(dday)
def test_monthly_ddy_properties():
"""Test properties of a monthly ddy."""
relative_path = './tests/fixtures/ddy/chicago_monthly.ddy'
ddy = DDY.from_ddy_file(relative_path)
# Test accuracy of import
assert ddy.location.city == 'Chicago Ohare Intl Ap'
assert ddy.location.latitude == approx(41.96, rel=1e-1)
assert ddy.location.longitude == approx(-87.92, rel=1e-1)
assert ddy.location.time_zone == -6
assert ddy.location.elevation == 201
assert len(ddy.design_days) == 12
for des_day in ddy.design_days:
assert isinstance(des_day, DesignDay)
assert des_day.day_type == 'SummerDesignDay'
def test_standard_ddy_properties():
"""Test properties of a standard ddy."""
relative_path = './tests/fixtures/ddy/tokyo.ddy'
ddy = DDY.from_ddy_file(relative_path)
# Test accuracy of import
assert ddy.location.city == 'TOKYO HYAKURI_JPN Design_Conditions'
assert ddy.location.latitude == approx(36.18, rel=1e-1)
assert ddy.location.longitude == approx(140.42, rel=1e-1)
assert ddy.location.time_zone == 9
assert ddy.location.elevation == 35
assert len(ddy.design_days) == 18
for des_day in ddy.design_days:
assert isinstance(des_day, DesignDay)
assert len(ddy.filter_by_keyword('.4%')) == 4
assert len(ddy.filter_by_keyword('99.6%')) == 3
_sim_par_.output.reporting_frequency = 'Timestep'
_sim_par_.simulation_control.run_for_sizing_periods = True
_sim_par_.simulation_control.run_for_run_periods = False
if run_bal_:
_sim_par_.output.add_zone_energy_use('Sensible')
_sim_par_.output.add_gains_and_losses('Sensible')
_sim_par_.output.add_surface_energy_flow()
# load design days to the simulation parameters
if _ddy_file.lower().endswith('.epw'): # load design days from EPW
epw_obj = EPW(_ddy_file)
des_days = epw_obj.best_available_design_days()
_sim_par_.sizing_parameter.design_days = des_days
location = epw_obj.location
else: # load design days from DDY
ddy_obj = DDY.from_ddy_file(_ddy_file)
w_days = [
day for day in ddy_obj.design_days
if day.day_type == 'WinterDesignDay'
]
s_days = [
day for day in ddy_obj.design_days
if day.day_type == 'SummerDesignDay'
]
check_and_filter_des_days(_sim_par_, w_days, 'WinterDesignDay')
check_and_filter_des_days(_sim_par_, s_days, 'SummerDesignDay')
location = ddy_obj.location
# get the dates of the heating and cooling design days
h_dt = _sim_par_.sizing_parameter.design_days[0].sky_condition.date
c_dt = _sim_par_.sizing_parameter.design_days[1].sky_condition.date
def test_write_ddy():
"""Test write ddy."""
relative_path = './tests/fixtures/ddy/chicago.ddy'
ddy = DDY.from_ddy_file(relative_path)
new_file_path = './tests/fixtures/ddy/chicago_edited.ddy'
ddy.save(new_file_path)
