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from pulp.amply import Amply, AmplyError
from io import StringIO
from nose.tools import assert_raises
def test_data():
result = Amply("param T := 4;")['T']
assert result == 4
result = Amply("param T := -4;")['T']
assert result == -4
result = Amply("param T := 0.04;")['T']
assert result == 0.04
result = Amply("param T := -0.04;")['T']
assert result == -0.04
def test_set():
result = Amply("set month := Jan Feb Mar Apr;")['month']
assert result == ['Jan', 'Feb', 'Mar', 'Apr']
result = Amply("set month Jan Feb Mar Apr;")['month']
assert result == ['Jan', 'Feb', 'Mar', 'Apr']
assert [i for i in result] == ['Jan', 'Feb', 'Mar', 'Apr']
assert result != []
assert 'Jan' in result
assert 'Foo' not in result
assert len(result) == 4
def test_param():
result = Amply("param T := 4;")['T']
assert result != [4]
result = Amply("param T{foo}; param T := 1 2;")['T']
assert not (result == 2)
assert (result != 2)
def test_attr_access():
result = Amply("param T:= 4;").T
assert result == 4
def test_from_file():
try:
s = StringIO("param T:= 4;")
except TypeError:
s = StringIO(u"param T:= 4;")
assert Amply.from_file(s).T == 4
def test_load_string():
a = Amply("param T:= 4; param X{foo};")
a.load_string("param S := 6; param X := 1 2;")
assert a.T == 4
assert a.S == 6
assert a.X[1] == 2
def test_load_file():
a = Amply("param T:= 4; param X{foo};")
try:
s = StringIO("param S := 6; param X := 1 2;")
except TypeError:
s = StringIO(u"param S := 6; param X := 1 2;")
a.load_file(s)
assert a.T == 4
assert a.S == 6
assert a.X[1] == 2
def test_empty_init():
a = Amply()
a.load_string("param T := 4;")
assert a.T == 4
def test_set_dimen2():
result = Amply(
"""
set twotups dimen 2;
set twotups := (1, 2) (2, 3) (4, 2) (3, 1);
"""
)['twotups']
assert result == [(1, 2), (2, 3), (4, 2), (3, 1)]
def test_set_dimen_error():
a = """
set dim1 dimen 1;
set dim1 := (1, 2) (2, 3) (3, 2);
"""
assert_raises(AmplyError, lambda: Amply(a))
def test_set_dimen2_noparen():
result = Amply(
"""
set twotups dimen 2;
set twotups := 1 2 2 3 4 2 3 1;
"""
)['twotups']
assert result == [(1, 2), (2, 3), (4, 2), (3, 1)]
def test_set_subscript():
result = Amply(
"""
set days{months};
set days[Jan] := 1 2 3 4;
set days[Feb] := 5 6 7 8;
"""
)['days']
j = result['Jan']
assert j == [1, 2, 3, 4]
f = result['Feb']
assert f == [5, 6, 7, 8]
def test_set_subscript2():
result = Amply(
"""
set days{months, days};
set days[Jan, 3] := 1 2 3 4;
set days[Feb, 'Ham '] := 5 6 7 8;
"""
)['days']
j = result['Jan'][3]
assert j == [1, 2, 3, 4]
f = result['Feb']['Ham ']
assert f == [5, 6, 7, 8]
def test_set_subscript2_tuples():
result = Amply(
"""
set days{months, days};
set days[Jan, 3] := 1 2 3 4;
set days[Feb, 'Ham '] := 5 6 7 8;
"""
)['days']
j = result['Jan', 3]
assert j == [1, 2, 3, 4]
f = result['Feb', 'Ham ']
assert f == [5, 6, 7, 8]
def test_set_matrix():
result = Amply(
"""
set A : 1 2 3 :=
1 + - -
2 + + -
3 - + -
;
"""
)
a = result.A
assert a == [(1, 1), (2, 1), (2, 2), (3, 2)]
def test_set_matrix_tr():
result = Amply(
"""
set A (tr) : 1 2 3 :=
1 + - -
2 + + -
3 - + -
;
"""
)
a = result.A
assert a == [(1, 1), (1, 2), (2, 2), (2, 3)]
def test_set_splice():
result = Amply(
"""
set A dimen 3;
set A := (1, 2, 3), (1, 1, *) 2 4 (3, *, *) 1 1;
"""
)
a = result.A
assert a == [(1, 2, 3), (1, 1, 2), (1, 1, 4), (3, 1, 1)]
def test_set_splice_matrix():
result = Amply(
"""
set A dimen 3;
set A (1, *, *) : 1 2 3 :=
1 + - -
2 + - +
3 - - -
(2, *, *) : 1 2 3 :=
1 + - +
2 - + -
3 - - +
;
"""
)
a = result.A
assert a == [(1,1,1),(1,2,1),(1,2,3),(2,1,1),(2,1,3),(2,2,2),
(2,3,3)]
def test_simple_params():
result = Amply("param T := 4;")['T']
assert result == 4
def test_sub1_params():
result = Amply(
"""
param foo {s};
param foo := 1 Jan 2 Feb 3 Mar;
"""
)
j = result['foo'][1]
assert j == 'Jan'
f = result['foo'][2]
assert f == 'Feb'
def test_sub1_param_error():
a = """
param foo{s};
param foo := 1 Jan 2 Feb 3;
"""
assert_raises(AmplyError, lambda :Amply(a))
def test_param_default():
result = Amply(
"""
param foo {s} default 3;
param foo := Jan 1 Feb 2 Mar 3;
"""
)
j = result['foo']['Jan']
assert j == 1
m = result['foo']['Mar']
assert m == 3
d = result['foo']['FOO']
assert d == 3
def test_param_undefined():
result = Amply(
"""
param foo {s} ;
param foo := Jan 1 Feb 2 Mar 3;
"""
)
j = result['foo']['Jan']
assert j == 1
assert_raises(KeyError, lambda : result['foo']['Apr'])
def test_sub2_params():
result = Amply(
"""
param foo {s, t};
param foo := 1 2 Hi 99 3 4;
"""
)
h = result['foo'][1][2]
assert h == 'Hi'
f = result['foo'][99][3]
assert f == 4
def test_2d_param():
result = Amply(
"""
param demand {item, location};
param demand
: FRA DET LAN :=
spoons 200 100 30
plates 30 120 90
cups 666 13 29 ;
"""
)['demand']
s = result['spoons']
assert s == { 'FRA': 200, 'DET': 100, 'LAN': 30 }
assert result['plates'] == { 'FRA': 30, 'DET': 120, 'LAN': 90 }
assert result['cups'] == { 'FRA': 666, 'DET': 13, 'LAN': 29 }
def test_2d_numeric_param():
result = Amply(
"""
param square {x, y};
param square : 1 2 :=
4 4 8
3 3 6
;
"""
)['square']
f = result[4, 1]
assert f == 4
assert result[4, 2] == 8
assert result[3, 1] == 3
assert result[3, 2] == 6
def test_2d_param_defaults():
result = Amply(
"""
param demand {item, location};
param demand default 42
: FRA DET LAN :=
spoons 200 . 30
plates 30 120 .
cups . . 29 ;
"""
)['demand']
s = result['spoons']
assert s == { 'FRA': 200, 'DET': 42, 'LAN': 30 }
assert result['plates'] == { 'FRA': 30, 'DET': 120, 'LAN': 42 }
assert result['cups'] == { 'FRA': 42, 'DET': 42, 'LAN': 29 }
def test_2tables():
result = Amply(
"""
param demand {item, location};
param demand default 42
: FRA DET LAN :=
spoons 200 . 30
plates 30 120 .
cups . . 29
;
param square {foo, foo};
param square
: A B :=
A 1 6
B 6 36
;
"""
)
demand = result['demand']
assert demand['spoons'] == {'FRA': 200, 'DET': 42, 'LAN': 30 }
assert demand['plates'] == { 'FRA': 30, 'DET': 120, 'LAN': 42 }
assert demand['cups'] == { 'FRA': 42, 'DET': 42, 'LAN': 29 }
square = result['square']
assert square['A'] == {'A': 1, 'B': 6}
assert square['B'] == {'A': 6, 'B': 36}
def test_2d_param_transpose():
result = Amply(
"""
param demand {location, item};
param demand default 42 (tr)
: FRA DET LAN :=
spoons 200 . 30
plates 30 120 .
cups . . 29 ;
"""
)['demand']
f = result['FRA']
assert f == { 'spoons': 200, 'plates': 30, 'cups': 42 }
assert result['DET'] == { 'spoons': 42, 'plates': 120, 'cups': 42 }
assert result['LAN'] == { 'spoons': 30, 'plates': 42, 'cups': 29 }
def test_2d_slice1():
result = Amply(
"""
param demand {location, item};
param demand :=
[Jan, *] Foo 1 Bar 2;
"""
)['demand']
f = result['Jan']['Foo']
assert f == 1
assert result['Jan']['Bar'] == 2
def test_3d_slice2():
result = Amply(
"""
param trans_cost{src, dest, product};
param trans_cost :=
[*,*,bands]: FRA DET LAN :=
GARY 30 10 8
CLEV 22 7 10
[*,*,coils]: FRA DET LAN :=
GARY 39 14 11
CLEV 27 9 12
[*,*,plate]: FRA DET LAN :=
GARY 41 15 12
CLEV 29 9 13
;
"""
)['trans_cost']
f = result['GARY']['FRA']['bands']
assert f == 30
assert result['GARY']['DET']['plate'] == 15
assert result['CLEV']['LAN']['coils'] == 12
def test_3d_slice2b():
result = Amply(
"""
param trans_cost{src, product, dest};
param trans_cost :=
[*,bands,*]: FRA DET LAN :=
GARY 30 10 8
CLEV 22 7 10
[*,coils,*]: FRA DET LAN :=
GARY 39 14 11
CLEV 27 9 12
[*,plate,*]: FRA DET LAN :=
GARY 41 15 12
CLEV 29 9 13
;
"""
)['trans_cost']
f = result['GARY']['bands']['FRA']
assert f == 30
assert result['GARY']['plate']['DET'] == 15
assert result['CLEV']['coils']['LAN'] == 12
def test_single_tabbing_data():
result = Amply(
"""
set elem;
param init_stock{elem};
param cost{elem};
param value{elem};
param : init_stock cost value :=
iron 7 25 1
nickel 35 3 2
;
"""
)
s = result['init_stock']
assert s == {'iron': 7, 'nickel': 35}
assert result['cost'] == {'iron': 25, 'nickel': 3}
assert result['value'] == {'iron': 1, 'nickel': 2}
def test_single_tabbing_data_with_set():
result = Amply(
"""
set elem;
param init_stock{elem};
param cost{elem};
param value{elem};
param : elem : init_stock cost value :=
iron 7 25 1
nickel 35 3 2
;
"""
)
s = result['init_stock']
assert s == {'iron': 7, 'nickel': 35}
assert result['cost'] == {'iron': 25, 'nickel': 3}
assert result['value'] == {'iron': 1, 'nickel': 2}
def test_set2_tabbing():
result = Amply(
"""
set elem dimen 2;
set elem := 0 0 1 1 2 2;
param cost{elem};
param value{elem};
param : cost value :=
0 0 7 25
1 1 35 3
;
"""
)
assert result['elem'] == [(0,0),(1,1),(2,2)]
def test_undefined_tabbing_param():
assert_raises(AmplyError, lambda: Amply(
"""
param cost{elem};
param : cost value :=
0 1 2
3 4 5
;
"""
))
def test_2dset_simpleparam():
result = Amply(
"""
set elem dimen 2;
param foo{elem};
param foo :=
1 2 3
2 3 4
3 4 5
;
"""
)['foo']
f = result[1][2]
assert f == 3
assert result[2][3] == 4
assert result[3][4] == 5
def test_tuple_param():
result = Amply(
"""
set elem dimen 2;
param foo{elem};
param foo :=
1 2 3
2 3 4
3 4 5
;
"""
)['foo']
f = result[1,2]
assert f == 3
assert result[2,3] == 4
assert result[3,4] == 5
|
