def test_redo_lci_switches_demand(self):
test_data = {
("t", "1"): {
'exchanges': [{
'amount': 0.5,
'input': ('t', "2"),
'type': 'technosphere',
'uncertainty type': 0
}, {
'amount': 1,
'input': ('biosphere', "1"),
'type': 'biosphere',
'uncertainty type': 0
}],
'type':
'process',
'unit':
'kg'
},
("t", "2"): {
'exchanges': [],
'type': 'process',
'unit': 'kg'
},
}
self.add_basic_biosphere()
test_db = Database("t")
test_db.write(test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
self.assertEqual(lca.demand, {("t", "1"): 1})
lca.redo_lci({("t", "1"): 2})
self.assertEqual(lca.demand, {("t", "1"): 2})
def test_redo_lci_with_no_new_demand_no_error(self):
self.add_basic_biosphere()
test_data = {
("t", "1"): {
'exchanges': [{
'amount': 1,
'input': ('biosphere', "1"),
'type': 'biosphere'
}]
}
}
test_db = Database("t")
test_db.register()
test_db.write(test_data)
more_test_data = {
("z", "1"): {
'exchanges': [{
'amount': 1,
'input': ('t', "1"),
'type': 'technosphere'
}]
}
}
more_test_db = Database("z")
more_test_db.register()
more_test_db.write(more_test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
lca.redo_lci()
def test_redo_lci_fails_if_activity_outside_technosphere(self):
self.add_basic_biosphere()
test_data = {
("t", "1"): {
'exchanges': [{
'amount': 1,
'input': ('biosphere', "1"),
'type': 'biosphere'
}]
}
}
test_db = Database("t")
test_db.register()
test_db.write(test_data)
more_test_data = {
("z", "1"): {
'exchanges': [{
'amount': 1,
'input': ('t', "1"),
'type': 'technosphere'
}]
}
}
more_test_db = Database("z")
more_test_db.register()
more_test_db.write(more_test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
with self.assertRaises(OutsideTechnosphere):
lca.redo_lci({("z", "1"): 1})
def test_redo_lci_with_no_new_demand_no_error(self):
self.add_basic_biosphere()
test_data = {
("t", "1"): {
"exchanges": [{
"amount": 1,
"input": ("biosphere", "1"),
"type": "biosphere"
}]
}
}
test_db = Database("t")
test_db.register()
test_db.write(test_data)
more_test_data = {
("z", "1"): {
"exchanges": [{
"amount": 1,
"input": ("t", "1"),
"type": "technosphere"
}]
}
}
more_test_db = Database("z")
more_test_db.register()
more_test_db.write(more_test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
lca.redo_lci()
def test_redo_lci_fails_if_activity_outside_technosphere(self):
self.add_basic_biosphere()
test_data = {
("t", "1"): {
"exchanges": [{
"amount": 1,
"input": ("biosphere", "1"),
"type": "biosphere"
}]
}
}
test_db = Database("t")
test_db.register()
test_db.write(test_data)
more_test_data = {
("z", "1"): {
"exchanges": [{
"amount": 1,
"input": ("t", "1"),
"type": "technosphere"
}]
}
}
more_test_db = Database("z")
more_test_db.register()
more_test_db.write(more_test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
with self.assertRaises(OutsideTechnosphere):
lca.redo_lci({("z", "1"): 1})
def test_fix_dictionaries(self):
test_data = {
("t", "1"): {
"exchanges": [
{
"amount": 0.5,
"input": ("t", "2"),
"type": "technosphere",
"uncertainty type": 0,
},
{
"amount": 1,
"input": ("biosphere", "1"),
"type": "biosphere",
"uncertainty type": 0,
},
],
"type":
"process",
"unit":
"kg",
},
("t", "2"): {
"exchanges": [],
"type": "process",
"unit": "kg"
},
}
self.add_basic_biosphere()
test_db = Database("t")
test_db.register()
test_db.write(test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
supply = lca.supply_array.sum()
self.assertTrue(lca._fixed)
self.assertFalse(lca.fix_dictionaries())
# Second time doesn't do anything
self.assertFalse(lca.fix_dictionaries())
self.assertTrue(lca._fixed)
lca.redo_lci({("t", "1"): 2})
self.assertEqual(lca.supply_array.sum(), supply * 2)
def test_fix_dictionaries(self):
test_data = {
("t", "1"): {
'exchanges': [{
'amount': 0.5,
'input': ('t', "2"),
'type': 'technosphere',
'uncertainty type': 0
}, {
'amount': 1,
'input': ('biosphere', "1"),
'type': 'biosphere',
'uncertainty type': 0
}],
'type':
'process',
'unit':
'kg'
},
("t", "2"): {
'exchanges': [],
'type': 'process',
'unit': 'kg'
},
}
self.add_basic_biosphere()
test_db = Database("t")
test_db.register()
test_db.write(test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
supply = lca.supply_array.sum()
self.assertTrue(lca._fixed)
self.assertFalse(lca.fix_dictionaries())
# Second time doesn't do anything
self.assertFalse(lca.fix_dictionaries())
self.assertTrue(lca._fixed)
lca.redo_lci({("t", "1"): 2})
self.assertEqual(lca.supply_array.sum(), supply * 2)
def test_redo_lci_switches_demand(self):
test_data = {
("t", "1"): {
"exchanges": [
{
"amount": 0.5,
"input": ("t", "2"),
"type": "technosphere",
"uncertainty type": 0,
},
{
"amount": 1,
"input": ("biosphere", "1"),
"type": "biosphere",
"uncertainty type": 0,
},
],
"type":
"process",
"unit":
"kg",
},
("t", "2"): {
"exchanges": [],
"type": "process",
"unit": "kg"
},
}
self.add_basic_biosphere()
test_db = Database("t")
test_db.write(test_data)
lca = LCA({("t", "1"): 1})
lca.lci()
self.assertEqual(lca.demand, {("t", "1"): 1})
lca.redo_lci({("t", "1"): 2})
self.assertEqual(lca.demand, {("t", "1"): 2})