def test_get_matrix():
FILE_NAME = 'main_lp.txt'
CUR_DIR = os.path.dirname(os.path.abspath(__file__))
test_file = os.path.join(CUR_DIR, 'files/'+FILE_NAME)
parser = AplosParser(filename=test_file)
if not parser.detect_errors():
A = parser.get_dual_matrix('A')
b = parser.get_dual_matrix('b')
c = parser.get_dual_matrix('c')
Eqin = parser.get_dual_matrix('EQin')
minmax = parser.get_dual_matrix('minMAX')
var_constr = parser.get_dual_matrix('var_constr')
expected_A = [[1,2],[2,5]]
expected_b = [3,2]
expected_c = [9,4]
expected_Eqin = [1,1]
expected_minmax = [-1]
expected_var_constr = [1,1]
assert A == expected_A and \
b == expected_b and \
c == expected_c and \
Eqin == expected_Eqin and \
minmax == expected_minmax and \
var_constr == expected_var_constr
def test_get_dual_matrix_empty():
with pytest.warns(RuntimeWarning):
parser = AplosParser(text='')
with pytest.raises(exceptions.EmptyLPException):
if not parser.detect_errors():
A = parser.get_dual_matrix('A')
def test_get_matrix_errors():
FILE_NAME = 'error_lp_1.txt'
CUR_DIR = os.path.dirname(os.path.abspath(__file__))
test_file = os.path.join(CUR_DIR, 'files/'+FILE_NAME)
parser = AplosParser(filename=test_file)
with pytest.raises(exceptions.LPErrorException):
A = parser.get_dual_matrix('A')
def test_get_matrix_no_arg():
FILE_NAME = 'main_lp.txt'
CUR_DIR = os.path.dirname(os.path.abspath(__file__))
test_file = os.path.join(CUR_DIR, 'files/'+FILE_NAME)
parser = AplosParser(filename=test_file)
if not parser.detect_errors():
with pytest.raises(exceptions.MissingArgumentsException):
A = parser.get_dual_matrix()