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# -*- coding: utf-8 - |
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"""Test the definition of the time index of the model. |
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SPDX-FileCopyrightText: Uwe Krien <[email protected]> |
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SPDX-FileCopyrightText: Stephan Günther |
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SPDX-License-Identifier: MIT |
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""" |
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import pandas as pd |
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import pytest |
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from oemof import solph |
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def test_energysystem_with_datetimeindex_infer_last_interval(): |
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"""Test EnergySystem with DatetimeIndex (equidistant)""" |
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datetimeindex = pd.date_range("1/1/2012", periods=24, freq="H") |
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es = solph.EnergySystem(timeindex=datetimeindex) |
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assert es.timeincrement[1] == 1.0 |
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assert es.timeincrement.sum() == 24 |
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def test_energysystem_with_datetimeindex(): |
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datetimeindex = pd.date_range("1/1/2012", periods=24, freq="H") |
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es = solph.EnergySystem(timeindex=datetimeindex, infer_last_interval=False) |
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assert es.timeincrement[1] == 1.0 |
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assert es.timeincrement.sum() == 23 |
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def test_energysystem_with_datetimeindex_non_equidistant_infer_last_interval(): |
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"""Test EnergySystem with DatetimeIndex (non-equidistant)""" |
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dtindex1 = pd.date_range("1/1/2012", periods=24, freq="H") |
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dtindex2 = pd.date_range("1/2/2012", periods=49, freq="30min") |
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dtindex = dtindex1.union(dtindex2) |
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msg = ( |
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"You cannot infer the last interval if the 'freq' attribute of your " |
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"DatetimeIndex is None." |
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) |
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with pytest.raises(AttributeError, match=msg): |
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solph.EnergySystem(timeindex=dtindex) |
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def test_energysystem_with_datetimeindex_non_equidistant(): |
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"""Test EnergySystem with DatetimeIndex (non-equidistant)""" |
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dtindex1 = pd.date_range("1/1/2012", periods=24, freq="H") |
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dtindex2 = pd.date_range("1/2/2012", periods=49, freq="30min") |
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dtindex = dtindex1.union(dtindex2) |
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es = solph.EnergySystem(timeindex=dtindex, infer_last_interval=False) |
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assert es.timeincrement.sum() == 48.0 |
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assert es.timeincrement[0] == 1 |
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assert es.timeincrement[25] == 0.5 |
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def test_energysystem_with_numeric_index_infer_last_interval(): |
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"""Test EnergySystem with numeric index (equidistant)""" |
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time_increments = [1, 1, 1, 1, 1] |
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es = solph.EnergySystem(timeincrement=time_increments) |
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assert es.timeincrement[1] == 1.0 |
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assert pd.Series(es.timeincrement).sum() == 5 |
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def test_energysystem_with_numeric_index(): |
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"""Test EnergySystem with numeric index (equidistant)""" |
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time_increments = [1, 1, 1, 1, 1] |
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es = solph.EnergySystem( |
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timeincrement=time_increments, infer_last_interval=False |
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) |
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assert es.timeincrement[1] == 1.0 |
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assert pd.Series(es.timeincrement).sum() == 5 |
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def test_energysystem_with_numeric_index_non_equidistant_infer_last_interval(): |
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""" |
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Test EnergySystem with DatetimeIndex (non-equidistant) |
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'infer_last_interval=True/False' does not have any effect. |
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""" |
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time_increments = [1, 1, 1, 1, 1, 0.5, 0.5, 0.25, 0.25, 0.5] |
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es = solph.EnergySystem( |
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timeincrement=time_increments, infer_last_interval=True |
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) |
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assert pd.Series(es.timeincrement).sum() == 7.0 |
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assert es.timeincrement[0] == 1 |
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assert es.timeincrement[6] == 0.5 |
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def test_energysystem_with_numeric_index_non_equidistant(): |
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""" |
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Test EnergySystem with DatetimeIndex (non-equidistant) |
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'infer_last_interval=True/False' does not have any effect. |
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""" |
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time_increments = [1, 1, 1, 1, 1, 0.5, 0.5, 0.25, 0.25, 0.5] |
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es = solph.EnergySystem( |
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timeincrement=time_increments, infer_last_interval=False |
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) |
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assert pd.Series(es.timeincrement).sum() == 7.0 |
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assert es.timeincrement[0] == 1 |
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assert es.timeincrement[8] == 0.25 |
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def test_model_timeincrement_with_valid_timeindex(): |
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datetimeindex = pd.date_range("1/1/2012", periods=5, freq="H") |
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es = solph.EnergySystem(timeindex=datetimeindex) |
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m = solph._models.BaseModel(es) |
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assert es.timeincrement.sum() == 5 |
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assert m.timeincrement.sum() == 5 |
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assert m.timeincrement[2] == 1 |
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def test_timeincrement_with_non_valid_timeindex(): |
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with pytest.raises( |
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TypeError, match="Parameter 'timeindex' has to be of type" |
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): |
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solph.EnergySystem(timeindex=4) |
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def test_conflicting_time_index(): |
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msg = ( |
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"Specifying the timeincrement and the timeindex parameter at the same " |
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"time is not allowed" |
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) |
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with pytest.raises(AttributeError, match=msg): |
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solph.EnergySystem( |
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timeindex=pd.date_range("1/1/2012", periods=2, freq="H"), |
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timeincrement=[1, 2, 3, 4], |
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) |
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def test_missing_timeincrement(): |
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msg = ( |
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"The EnergySystem needs to have a valid 'timeincrement' attribute to " |
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"build a model." |
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) |
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es = solph.EnergySystem() |
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with pytest.raises(AttributeError, match=msg): |
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solph.Model(es) |
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def test_overwrite_timeincrement(): |
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es = solph.EnergySystem( |
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timeindex=pd.date_range("1/1/2012", periods=2, freq="H") |
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) |
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assert es.timeincrement[0] == 1 |
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m = solph._models.BaseModel(es, timeincrement=[3]) |
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assert m.timeincrement[0] == 3 |
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def test_model_timeincrement_list(): |
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es = solph.EnergySystem() |
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m = solph._models.BaseModel(es, timeincrement=[0, 1, 2, 3]) |
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assert m.timeincrement[3] == 3 |
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def test_nonequ_inconsistent_timeindex(): |
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# with pytest.raises(IndexError): |
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timeindex_one = pd.date_range("1/1/2019", periods=1, freq="H") |
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timeindex_hourly = pd.date_range("1/1/2019", periods=3, freq="H") |
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timeindex_45mins = pd.date_range("1/1/2019", periods=2, freq="45min") |
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timeindex1 = timeindex_one.append(timeindex_hourly) |
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timeindex2 = timeindex_hourly.append([timeindex_45mins]) |
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with pytest.raises(TypeError): |
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solph.EnergySystem(timeindex=timeindex1, infer_last_interval=False) |
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with pytest.raises(TypeError): |
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solph.EnergySystem(timeindex=timeindex2, infer_last_interval=False) |
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oemof /
oemof-solph
