def test_raises_if_has_no_lon_attribute():
bad_location = type('Location', (object, ), dict(lat=0))
with pytest.raises(AttributeError) as err:
great_circle_distance(bad_location, (0, 0))
assert "has no attribute 'lon'" in str(err)
def test_raises_if_has_no_lon_attribute():
bad_location = type('Location', (object,), dict(lat=0))
with pytest.raises(AttributeError) as err:
great_circle_distance(bad_location, (0, 0))
assert "has no attribute 'lon'" in str(err)
def test_distance_is_zero_for_the_same_points():
assert great_circle_distance((0, 0), (0, 0)) == 0
def test_raises_if_not_a_float():
with pytest.raises(TypeError):
great_circle_distance(('0', 0), (0, 0))
def test_raises_if_has_no_lat_attribute(first):
with pytest.raises(AttributeError) as err:
great_circle_distance(first, (0, 0))
assert "has no attribute 'lat'" in str(err)
def test_raises_if_unable_to_create_location():
with pytest.raises(TypeError):
great_circle_distance((0, ), (0, ))
def test_known_distances(start, end, low, high):
assert low < great_circle_distance(start, end) < high
def test_distance_is_zero_for_the_same_points():
assert great_circle_distance((0, 0), (0, 0)) == 0
def test_raises_if_not_a_float():
with pytest.raises(TypeError):
great_circle_distance(('0', 0), (0, 0))
def test_raises_if_has_no_lat_attribute(first):
with pytest.raises(AttributeError) as err:
great_circle_distance(first, (0, 0))
assert "has no attribute 'lat'" in str(err)
def test_raises_if_unable_to_create_location():
with pytest.raises(TypeError):
great_circle_distance((0,), (0,))
def test_known_distances(start, end, low, high):
assert low < great_circle_distance(start, end) < high