def test_sample1d_invalid_range_minmax(self):
# min range > max range
with self.assertRaises(
ValueError,
msg=
"A ValueError was not raised when the min range was larger than the max range."
):
sample1d(fn1d, (10, 8, 100))
def test_sample1d_invalid_range_length(self):
# tuple too short
with self.assertRaises(
ValueError,
msg=
"Passing a range tuple with too few values did not raise a ValueError."
):
sample1d(fn1d, (1.0, 2.0))
def test_sample1d_invalid_range_type(self):
# invalid type
with self.assertRaises(
TypeError,
msg=
"Type error was not raised when a string was (invalidly) supplied for the range."
):
sample1d(fn1d, "blah")
def test_sample1d_invalid_function_called(self):
# invalid function type
with self.assertRaises(
TypeError,
msg=
"Type error was not raised when a string was (invalidly) supplied for the function."
):
sample1d("blah", (1, 2, 100))
def test_sample1d_invalid_range_samples(self):
# number of samples < 1
with self.assertRaises(
ValueError,
msg=
"A ValueError was not raised when the number of samples was < 1."
):
sample1d(fn1d, (10, 8, 0))
def test_sample1d_sample(self):
rx = [1.0, 1.5, 2.0]
rs = [1.0, 2.25, 4.0]
tx, ts = sample1d(fn1d, (1.0, 2.0, 3))
for i in range(3):
self.assertEqual(tx[i], rx[i], "X points [{}] is incorrect.".format(i))
self.assertEqual(ts[i], rs[i], "Sample point [{}] is incorrect.".format(i))