def test_convert_sequence(self): m = Unit('m') ft = Unit('ft') m2ft = m.get_converter(ft) assert '3.28084*x' == m2ft.get_expression() ft2m = Converter('ft',m) assert '0.3048*a' == ft2m.get_expression('a') sqm2sqft = (m*m).get_converter((ft*ft)) assert '10.7639*x' == sqm2sqft.get_expression() inarr = np.array([2.8, 3.5, 19.2, 312]) # Verify output of m2ft is what we expect outarr = m2ft(inarr) np.testing.assert_array_almost_equal(outarr, np.array([9.186352, 11.48294, 62.992128, 1023.62208]), decimal=6) # Verify output of ft2m is what we expect outarr = ft2m(inarr) np.testing.assert_array_almost_equal(outarr, np.array([0.85344, 1.0668 , 5.85216, 95.0976]), decimal=5) outarr = sqm2sqft(inarr) np.testing.assert_array_almost_equal(outarr, np.array([30.13892, 37.67365, 206.66688, 3358.3368]), decimal=5) with pytest.raises(TypeError): m.get_converter(None)
def test_convert_sequence(self): m = Unit('m') ft = Unit('ft') m2ft = m.get_converter(ft) assert '3.28084*x' == m2ft.get_expression() ft2m = Converter('ft', m) assert '0.3048*a' == ft2m.get_expression('a') sqm2sqft = (m * m).get_converter((ft * ft)) assert '10.7639*x' == sqm2sqft.get_expression() inarr = np.array([2.8, 3.5, 19.2, 312]) # Verify output of m2ft is what we expect outarr = m2ft(inarr) np.testing.assert_array_almost_equal( outarr, np.array([9.186352, 11.48294, 62.992128, 1023.62208]), decimal=6) # Verify output of ft2m is what we expect outarr = ft2m(inarr) np.testing.assert_array_almost_equal( outarr, np.array([0.85344, 1.0668, 5.85216, 95.0976]), decimal=5) outarr = sqm2sqft(inarr) np.testing.assert_array_almost_equal( outarr, np.array([30.13892, 37.67365, 206.66688, 3358.3368]), decimal=5) with pytest.raises(TypeError): m.get_converter(None)
def test_combine_converters(self): s = Unit('s') min = Unit('min') hr = Unit('hr') s2min = s.get_converter(min) min2hr = min.get_converter(hr) s2hr = s.get_converter(hr) s2min2hr = s2min.combine(min2hr) assert s2hr.get_expression('x') == s2min2hr.get_expression('x') np.testing.assert_almost_equal(min2hr(s2min.evaluate(10)), s2min2hr(10), decimal=7) with pytest.raises(TypeError): s2min.combine('10')
def test_convert_single(self): k = Unit('K') c = Unit('deg_c') k2c = k.get_converter(c) np.testing.assert_almost_equal(k2c(23.5), -249.65, decimal=2) np.testing.assert_almost_equal(k2c(288.2), 15.05, decimal=2) np.testing.assert_almost_equal(k2c(273.15), 0.0, decimal=1)
def test_errors(self): s = Unit('s') min = Unit('min') s2min = s.get_converter(min) with pytest.raises(TypeError): s2min.combine('10') with pytest.raises(TypeError): Converter(s, None) with pytest.raises(TypeError): fake = object fake.this = None Converter(s, fake)