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# -*- coding: utf-8 - |
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"""Test the created constraints against approved constraints. |
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This file is part of project oemof (github.com/oemof/oemof). It's copyrighted |
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by the contributors recorded in the version control history of the file, |
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available from its original location oemof/tests/test_solph_network_classes.py |
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SPDX-License-Identifier: MIT |
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""" |
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import warnings |
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import pytest |
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from oemof.tools.debugging import SuspiciousUsageWarning |
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from oemof import solph |
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class TestConverterClass: |
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@classmethod |
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def setup_class(cls): |
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"""Setup default values""" |
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cls.bus = solph.buses.Bus() |
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@pytest.mark.filterwarnings("ignore::UserWarning") |
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def test_empty_converter(self): |
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converter = solph.components.Converter() |
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assert isinstance(converter.conversion_factors, dict) |
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assert len(converter.conversion_factors.keys()) == 0 |
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def test_default_conversion_factor(self): |
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converter = solph.components.Converter( |
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inputs={self.bus: solph.flows.Flow()}, |
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outputs={self.bus: solph.flows.Flow()}, |
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) |
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assert converter.conversion_factors[self.bus][2] == 1 |
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def test_sequence_conversion_factor_from_scalar(self): |
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converter = solph.components.Converter( |
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inputs={self.bus: solph.flows.Flow()}, |
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outputs={self.bus: solph.flows.Flow()}, |
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conversion_factors={self.bus: 2}, |
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) |
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assert converter.conversion_factors[self.bus][6] == 2 |
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def test_sequence_conversion_factor_from_list_correct_length(self): |
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converter = solph.components.Converter( |
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inputs={self.bus: solph.flows.Flow()}, |
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outputs={self.bus: solph.flows.Flow()}, |
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conversion_factors={self.bus: [2]}, |
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) |
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assert len(converter.conversion_factors[self.bus]) == 1 |
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def test_sequence_conversion_factor_from_list_wrong_length(self): |
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converter = solph.components.Converter( |
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inputs={self.bus: solph.flows.Flow()}, |
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outputs={self.bus: solph.flows.Flow()}, |
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conversion_factors={self.bus: [2]}, |
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) |
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with pytest.raises(IndexError): |
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self.a = converter.conversion_factors[self.bus][6] |
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def test_converter_missing_output_create_empty_dict(self): |
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with pytest.warns(SuspiciousUsageWarning): |
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converter = solph.components.Converter(inputs={}) |
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assert converter.outputs == {} |
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def test_converter_missing_input_create_empty_dict(self): |
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with pytest.warns(SuspiciousUsageWarning): |
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converter = solph.components.Converter(outputs={}) |
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assert converter.inputs == {} |
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def test_fixed_costs_warning(): |
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msg = ( |
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"Be aware that the fixed costs attribute is only\n" |
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"meant to be used for multi-period models to depict " |
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"fixed costs that occur on a yearly basis.\n" |
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"If you wish to set up a multi-period model, explicitly " |
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"set the `periods` attribute of your energy system.\n" |
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"It has been decided to remove the `fixed_costs` " |
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"attribute with v0.2 for regular uses.\n" |
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"If you specify `fixed_costs` for a regular model, " |
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"this will simply be silently ignored." |
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) |
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with warnings.catch_warnings(record=True) as w: |
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solph.flows.Flow(fixed_costs=34) |
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assert len(w) != 0 |
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assert msg == str(w[-1].message) |
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def test_flow_with_fix_and_min_max(): |
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msg = "It is not allowed to define `min`/`max` if `fix` is defined." |
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with pytest.raises(AttributeError, match=msg): |
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solph.flows.Flow(fix=[1, 3], min=[0, 5]) |
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with pytest.raises(AttributeError, match=msg): |
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solph.flows.Flow(fix=[1, 3], max=[0, 5]) |
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with pytest.raises(AttributeError, match=msg): |
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solph.flows.Flow(fix=[1, 3], max=[0, 5], min=[4, 9]) |
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def test_infinite_values(): |
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msg1 = "nominal_capacity must be a finite value" |
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msg2 = "max must be a finite value" |
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with pytest.raises(ValueError, match=msg1): |
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solph.flows.Flow(nominal_capacity=float("+inf")) |
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with pytest.raises(ValueError, match=msg2): |
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solph.flows.Flow(nominal_capacity=1, max=float("+inf")) |
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def test_attributes_needing_nominal_value_get_it(): |
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with pytest.raises(AttributeError, match="If fix is set in a flow "): |
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solph.flows.Flow(fix=0.3) |
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with pytest.raises(AttributeError, match="If max is set in a flow "): |
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solph.flows.Flow(max=0.3) |
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with pytest.raises(AttributeError, match="If min is set in a flow "): |
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solph.flows.Flow(min=0.3) |
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with pytest.raises( |
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AttributeError, match="If full_load_time_max is set in a flow " |
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): |
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solph.flows.Flow(full_load_time_max=0.3) |
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with pytest.raises( |
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AttributeError, match="If full_load_time_min is set in a flow " |
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): |
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solph.flows.Flow(full_load_time_min=0.3) |
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def test_min_max_values_for_bidirectional_flow(): |
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a = solph.flows.Flow(bidirectional=True) # use default values |
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b = solph.flows.Flow( |
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bidirectional=True, nominal_capacity=1, min=-0.8, max=0.9 |
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) |
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assert a.bidirectional |
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assert a.max[0] == 1 |
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assert a.min[0] == -1 |
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assert b.bidirectional |
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assert b.max[0] == 0.9 |
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assert b.min[0] == -0.8 |
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oemof /
oemof-solph
