Esempio n. 1
0
def split_valuestring(input):
    # Don't forget to handle '\u03a9'(capital omega) and '\u2126' (ohm sign)
    # And '\u03bc' (greek mu) and '\u00b5' (micro sign)
    a = EngineerIO.EngineerIO(units=frozenset(['A', 'Ω', 'Ω', 'F', 'H', 'V', 'W']),
                              suffices=[["y"], ["z"], ["a"], ["f"], ["p"], ["n"], ["\u00b5", "\u03bc", "u"], ["m"], [], ["k"], ["M"], ["G"], ["T"], ["E"], ["Z"], ["Y"]])
    # Return val, unit
    return a.safe_normalize(input)
 def __init__(self):
     self.io = EngineerIO()
class TestEngineerIO(object):
    def __init__(self):
        self.io = EngineerIO()

    def test_normalize_interpunctation(self):
        for suffix in ["", "k", " kV", "V/√Hz", "µV"]:
            assert_equal(normalize_interpunctation("1234" + suffix), '1234' + suffix)
            assert_equal(normalize_interpunctation("123.4" + suffix), '123.4' + suffix)
            assert_equal(normalize_interpunctation("123,4" + suffix), '123.4' + suffix)
            assert_equal(normalize_interpunctation("1,234.5" + suffix), '1234.5' + suffix)
            assert_equal(normalize_interpunctation("1.234,5" + suffix), '1234.5' + suffix)
            assert_equal(normalize_interpunctation("1.234,5" + suffix), '1234.5' + suffix)
        assert_equal(normalize_interpunctation(""), "")

    def test_split_input(self):
        assert_tuple_equal(self.io.split_input("1234"), ('1234', '', ''))
        assert_tuple_equal(self.io.split_input("1234k"), ('1234', 'k', ''))
        assert_tuple_equal(self.io.split_input("1234kΩ"), ('1234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1.234kΩ"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1,234kΩ"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1,234.56kΩ"), ('1234.56', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1k234"), ('1.234', 'k', ''))
        assert_tuple_equal(self.io.split_input("1k234Ω"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1,234.56Ω"), ('1234.56', '', 'Ω'))
        assert_tuple_equal(self.io.split_input("1A"), ('1', '', 'A'))
        assert_tuple_equal(self.io.split_input("1"), ('1', '', ''))
        assert_tuple_equal(self.io.split_input("1k234 Ω"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("-1,234.56kΩ"), ('-1234.56', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("-1e3kΩ"), ('-1e3', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1e-3kΩ"), ('1e-3', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("-4e6nA"), ('-4e6', 'n', 'A'))
        assert_tuple_equal(self.io.split_input("3.2 MHz"), ('3.2', 'M', 'Hz'))
        assert_tuple_equal(self.io.split_input("3.2 °C"), ('3.2', '', 'C'))
        assert_tuple_equal(self.io.split_input("3k2 °C"), ('3.2', 'k', 'C'))
        assert_tuple_equal(self.io.split_input("3.2 ΔMHz"), ('3.2', 'M', 'Hz'))
        assert_tuple_equal(self.io.split_input("100 mV"), ('100', 'm', 'V'))
        assert_tuple_equal(self.io.split_input("3.2 ΔHz"), ('3.2', '', 'Hz'))
        assert_tuple_equal(self.io.split_input("Δ3.2 MHz"), ('3.2', 'M', 'Hz'))

    @parameterized([("1,234.56kfA",),
                    ("1.23k45A",),
                    ("1,234.56kfA",),
                    ("foobar",),
                    (None,),
                    ("1k2 MA",),
                    ("1.2kkA",),
                    ("1k2kA",),
                    ("1k2.4",),
                    ("k2",),
                    ("A",),
                    ("k",),
                    ("ky",),
                    ("kA",),
                    ("kfA",),
                    ("AA",),
                    ("kΔ",),
                    ("Δ",),
                    ("AΔ",),
                    ("ΔA",),
                    ("ΔAΔ",),
                    (" ",),
                    ("",)])
    @raises(ValueError)
    def test_normalize_numeric_invalid(self, s):
        print(self.io.normalize_numeric(s))

    def test_split_unit(self):
        assert_tuple_equal(self.io.split_unit("1234"), ('1234', ''))
        assert_tuple_equal(self.io.split_unit("1234k"), ('1234k', ''))
        assert_tuple_equal(self.io.split_unit("1234kΩ"), ('1234k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1.234kΩ"), ('1.234k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1,234kΩ"), ('1,234k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1,234.56kΩ"), ('1,234.56k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1k234"), ('1k234', ''))
        assert_tuple_equal(self.io.split_unit("1k234Ω"), ('1k234',  'Ω'))
        assert_tuple_equal(self.io.split_unit("1,234.56Ω"), ('1,234.56', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1A"), ('1', 'A'))
        assert_tuple_equal(self.io.split_unit("1"), ('1', ''))
        assert_tuple_equal(self.io.split_unit("1k234 Ω"), ('1k234', 'Ω'))
        assert_tuple_equal(self.io.split_unit("-1,234.56kΩ"), ('-1,234.56k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("-1e3kΩ"), ('-1e3k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1e-3kΩ"), ('1e-3k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("-4e6nA"), ('-4e6n', 'A'))
        assert_tuple_equal(self.io.split_unit("3.2 MHz"), ('3.2 M', 'Hz'))
        assert_tuple_equal(self.io.split_unit("3.2 °C"), ('3.2', 'C'))
        assert_tuple_equal(self.io.split_unit("3k2 °C"), ('3k2', 'C'))
        assert_tuple_equal(self.io.split_unit("3.2 ΔMHz"), ('3.2 ΔM', 'Hz'))
        assert_tuple_equal(self.io.split_unit("100 mV"), ('100 m', 'V'))
        assert_tuple_equal(self.io.split_unit("3.2 ΔHz"), ('3.2', 'Hz'))
        assert_tuple_equal(self.io.split_unit(""), ('', ''))


    def test_normalize(self):
        assert_tuple_equal(self.io.normalize("100 kΩ"), (1e5, "Ω"))
        assert_tuple_equal(self.io.normalize("100 kΩ".encode("utf8")), (1e5, "Ω"))

    def test_formatWithSuffix(self):
        assert_equal(_formatWithSuffix(1.01, "A"), '1.01 A')
        assert_equal(_formatWithSuffix(1, "A"), '1.00 A')
        assert_equal(_formatWithSuffix(101, "A"), '101 A')
        assert_equal(_formatWithSuffix(99.9, "A"), '99.9 A')
        assert_equal(_formatWithSuffix(1000.0, ""), '1000')

    def test_format(self):
        assert_equal(self.io.format(1.0e-15, "V"), '1.00 fV')
        assert_equal(self.io.format(234.6789e-3, "V"), '235 mV')
        assert_equal(self.io.format(234.6789, "V"), '235 V')
        assert_equal(self.io.format(2345.6789, "V"), '2.35 kV')
        assert_equal(self.io.format(2345.6789e6, "V"), '2.35 GV')
        assert_equal(self.io.format(2345.6789e12, "V"), '2.35 EV')
        assert_equal(self.io.format(2.3456789e-6, "V"), '2.35 µV')
        assert_equal(self.io.format(2.3456789e-6, "°C"), '2.35 µ°C')
        assert_equal(self.io.format(-2.3456789e-6, "°C"), '-2.35 µ°C')

    @raises(ValueError)
    def test_format_invalid(self):
        self.io.format(1.0e-25, "V")

    def testRounding(self):
        assert_equal(self.io.format(1.999999, ""), '2.00')
        assert_equal(self.io.format(19.99999, ""), '20.0')
        assert_equal(self.io.format(199.9999, ""), '200')

    def testIsValidSuffix(self):
        for c in "fpnuµmkMGT":
            assert_in(c, self.io.suffix_exp_map)

    def test_exp_suffix_map(self):
        assert_equal(self.io.suffix_exp_map["f"], -15)
        assert_equal(self.io.suffix_exp_map["k"], 3)
        assert_equal(self.io.suffix_exp_map["u"], -6)
        assert_equal(self.io.suffix_exp_map["µ"], -6)
        assert_equal(self.io.suffix_exp_map["T"], 12)
        assert_equal(self.io.suffix_exp_map[""], 0)
        # Check "in" operator
        assert_in("k", self.io.suffix_exp_map)
        # Invalid suffix_exp_map
        assert_not_in("B", self.io.suffix_exp_map)

    def test_exp_suffix_map(self):
        assert_equal("", self.io.exp_suffix_map[0])
        assert_equal("k", self.io.exp_suffix_map[1])
        assert_equal("M", self.io.exp_suffix_map[2])
        assert_equal("n", self.io.exp_suffix_map[-3])

    def test_normalize_numeric_safe(self):
        assert_equal(self.io.normalize_numeric_safe(1.25), 1.25)
        assert_equal(self.io.normalize_numeric_safe("1.25"), 1.25)
        assert_equal(self.io.normalize_numeric_safe("1.25 V"), 1.25)
        assert_equal(self.io.normalize_numeric_safe("1k25 V"), 1250.0)
        assert_equal(self.io.normalize_numeric_safe(b"1k25 V"), 1250.0)
        assert_allclose(self.io.normalize_numeric_safe(["1k25 V", "4.25 A"]), [1250.0, 4.25])
        # Invalid inputs and partially invalid inputs
        assert_is_none(self.io.normalize_numeric_safe("foobar"))
        assert_allclose(self.io.normalize_numeric_safe(["foobar", "1.2 J"]), [np.nan, 1.2])

    def test_normalize_numeric(self):
        assert_equal(self.io.normalize_numeric(1.25), 1.25)
        assert_equal(self.io.normalize_numeric("1.25"), 1.25)
        assert_equal(self.io.normalize_numeric("1.25 V"), 1.25)
        assert_equal(self.io.normalize_numeric("1k25 V"), 1250.0)
        assert_equal(self.io.normalize_numeric(b"1k25 V"), 1250.0)
        assert_allclose(self.io.normalize_numeric(["1k25 V", "4.25 A"]), np.asarray([1250.0, 4.25]))

    @raises(ValueError)
    def test_normalize_numeric_invalid(self):
        self.io.normalize_numeric(["1.2 J", "foobar"])

    def test_safe_normalize(self):
        assert_tuple_equal(self.io.safe_normalize("1.25 kV"), (1250., "V"))
        assert_is_none(self.io.safe_normalize("1x25"))

    # Just basic tests for autoFormat. Specific tests in other modules that have annotated functions

    def testAutoFormatValid(self):
        def testfn(n=1.0) -> Quantity("V"): return n
        assert_equal(self.io.auto_format(testfn), "1.00 V")
        # Test functools.partial() behaviour
        testfn2 = functools.partial(testfn, n=2.0)
        assert_equal(self.io.auto_format(testfn2), "2.00 V")
        # Test nested functools.partial() behaviour
        testfn3 = functools.partial(testfn2, n=3.0)
        assert_equal(self.io.auto_format(testfn3), "3.00 V")

    @raises(UnannotatedReturnValueError)
    def testAutoFormatInvalid1(self):
        self.io.auto_format(self.io.format) # Callable but not annotated

    @raises(ValueError)
    def testAutoFormatInvalid2(self):
        self.io.auto_format(None)

    def test_auto_suffix_1d(self):
        arr = np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1., ""))
        arr = 1e-3 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e3, "m"))
        arr = 1e9 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e-9, "G"))
        arr = np.arange(1000., 2000., 5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e-3, "k"))
        # Test out of limits
        arr = 1e-40 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e24, "y"))
        arr = 1e40 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e-21, "Y"))
 def __init__(self):
     self.io = EngineerIO()
class TestEngineerIO(object):
    def __init__(self):
        self.io = EngineerIO()

    def test_normalize_interpunctation(self):
        for suffix in ["", "k", " kV", "V/√Hz", "µV"]:
            assert_equal(normalize_interpunctation("1234" + suffix),
                         '1234' + suffix)
            assert_equal(normalize_interpunctation("123.4" + suffix),
                         '123.4' + suffix)
            assert_equal(normalize_interpunctation("123,4" + suffix),
                         '123.4' + suffix)
            assert_equal(normalize_interpunctation("1,234.5" + suffix),
                         '1234.5' + suffix)
            assert_equal(normalize_interpunctation("1.234,5" + suffix),
                         '1234.5' + suffix)
            assert_equal(normalize_interpunctation("1.234,5" + suffix),
                         '1234.5' + suffix)
        assert_equal(normalize_interpunctation(""), "")

    def test_split_input(self):
        assert_tuple_equal(self.io.split_input("1234"), ('1234', '', ''))
        assert_tuple_equal(self.io.split_input("1234k"), ('1234', 'k', ''))
        assert_tuple_equal(self.io.split_input("1234kΩ"), ('1234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1.234kΩ"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1,234kΩ"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1,234.56kΩ"),
                           ('1234.56', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1k234"), ('1.234', 'k', ''))
        assert_tuple_equal(self.io.split_input("1k234Ω"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1,234.56Ω"),
                           ('1234.56', '', 'Ω'))
        assert_tuple_equal(self.io.split_input("1A"), ('1', '', 'A'))
        assert_tuple_equal(self.io.split_input("1"), ('1', '', ''))
        assert_tuple_equal(self.io.split_input("1k234 Ω"), ('1.234', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("-1,234.56kΩ"),
                           ('-1234.56', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("-1e3kΩ"), ('-1e3', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("1e-3kΩ"), ('1e-3', 'k', 'Ω'))
        assert_tuple_equal(self.io.split_input("-4e6nA"), ('-4e6', 'n', 'A'))
        assert_tuple_equal(self.io.split_input("3.2 MHz"), ('3.2', 'M', 'Hz'))
        assert_tuple_equal(self.io.split_input("3.2 °C"), ('3.2', '', 'C'))
        assert_tuple_equal(self.io.split_input("3k2 °C"), ('3.2', 'k', 'C'))
        assert_tuple_equal(self.io.split_input("3.2 ΔMHz"), ('3.2', 'M', 'Hz'))
        assert_tuple_equal(self.io.split_input("100 mV"), ('100', 'm', 'V'))
        assert_tuple_equal(self.io.split_input("3.2 ΔHz"), ('3.2', '', 'Hz'))
        assert_tuple_equal(self.io.split_input("Δ3.2 MHz"), ('3.2', 'M', 'Hz'))

    @parameterized([("1,234.56kfA", ), ("1.23k45A", ), ("1,234.56kfA", ),
                    ("foobar", ), (None, ), ("1k2 MA", ), ("1.2kkA", ),
                    ("1k2kA", ), ("1k2.4", ), ("k2", ), ("A", ), ("k", ),
                    ("ky", ), ("kA", ), ("kfA", ), ("AA", ), ("kΔ", ), ("Δ", ),
                    ("AΔ", ), ("ΔA", ), ("ΔAΔ", ), (" ", ), ("", )])
    @raises(ValueError)
    def test_normalize_numeric_invalid(self, s):
        print(self.io.normalize_numeric(s))

    def test_split_unit(self):
        assert_tuple_equal(self.io.split_unit("1234"), ('1234', ''))
        assert_tuple_equal(self.io.split_unit("1234k"), ('1234k', ''))
        assert_tuple_equal(self.io.split_unit("1234kΩ"), ('1234k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1.234kΩ"), ('1.234k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1,234kΩ"), ('1,234k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1,234.56kΩ"),
                           ('1,234.56k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1k234"), ('1k234', ''))
        assert_tuple_equal(self.io.split_unit("1k234Ω"), ('1k234', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1,234.56Ω"), ('1,234.56', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1A"), ('1', 'A'))
        assert_tuple_equal(self.io.split_unit("1"), ('1', ''))
        assert_tuple_equal(self.io.split_unit("1k234 Ω"), ('1k234', 'Ω'))
        assert_tuple_equal(self.io.split_unit("-1,234.56kΩ"),
                           ('-1,234.56k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("-1e3kΩ"), ('-1e3k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("1e-3kΩ"), ('1e-3k', 'Ω'))
        assert_tuple_equal(self.io.split_unit("-4e6nA"), ('-4e6n', 'A'))
        assert_tuple_equal(self.io.split_unit("3.2 MHz"), ('3.2 M', 'Hz'))
        assert_tuple_equal(self.io.split_unit("3.2 °C"), ('3.2', 'C'))
        assert_tuple_equal(self.io.split_unit("3k2 °C"), ('3k2', 'C'))
        assert_tuple_equal(self.io.split_unit("3.2 ΔMHz"), ('3.2 ΔM', 'Hz'))
        assert_tuple_equal(self.io.split_unit("100 mV"), ('100 m', 'V'))
        assert_tuple_equal(self.io.split_unit("3.2 ΔHz"), ('3.2', 'Hz'))
        assert_tuple_equal(self.io.split_unit(""), ('', ''))

    def test_normalize(self):
        assert_tuple_equal(self.io.normalize("100 kΩ"), (1e5, "Ω"))
        assert_tuple_equal(self.io.normalize("100 kΩ".encode("utf8")),
                           (1e5, "Ω"))

    def test_formatWithSuffix(self):
        assert_equal(_formatWithSuffix(1.01, "A"), '1.01 A')
        assert_equal(_formatWithSuffix(1, "A"), '1.00 A')
        assert_equal(_formatWithSuffix(101, "A"), '101 A')
        assert_equal(_formatWithSuffix(99.9, "A"), '99.9 A')
        assert_equal(_formatWithSuffix(1000.0, ""), '1000')

    def test_format(self):
        assert_equal(self.io.format(1.0e-15, "V"), '1.00 fV')
        assert_equal(self.io.format(234.6789e-3, "V"), '235 mV')
        assert_equal(self.io.format(234.6789, "V"), '235 V')
        assert_equal(self.io.format(2345.6789, "V"), '2.35 kV')
        assert_equal(self.io.format(2345.6789e6, "V"), '2.35 GV')
        assert_equal(self.io.format(2345.6789e12, "V"), '2.35 EV')
        assert_equal(self.io.format(2.3456789e-6, "V"), '2.35 µV')
        assert_equal(self.io.format(2.3456789e-6, "°C"), '2.35 µ°C')
        assert_equal(self.io.format(-2.3456789e-6, "°C"), '-2.35 µ°C')

    @raises(ValueError)
    def test_format_invalid(self):
        self.io.format(1.0e-25, "V")

    def testRounding(self):
        assert_equal(self.io.format(1.999999, ""), '2.00')
        assert_equal(self.io.format(19.99999, ""), '20.0')
        assert_equal(self.io.format(199.9999, ""), '200')

    def testIsValidSuffix(self):
        for c in "fpnuµmkMGT":
            assert_in(c, self.io.suffix_exp_map)

    def test_exp_suffix_map(self):
        assert_equal(self.io.suffix_exp_map["f"], -15)
        assert_equal(self.io.suffix_exp_map["k"], 3)
        assert_equal(self.io.suffix_exp_map["u"], -6)
        assert_equal(self.io.suffix_exp_map["µ"], -6)
        assert_equal(self.io.suffix_exp_map["T"], 12)
        assert_equal(self.io.suffix_exp_map[""], 0)
        # Check "in" operator
        assert_in("k", self.io.suffix_exp_map)
        # Invalid suffix_exp_map
        assert_not_in("B", self.io.suffix_exp_map)

    def test_exp_suffix_map(self):
        assert_equal("", self.io.exp_suffix_map[0])
        assert_equal("k", self.io.exp_suffix_map[1])
        assert_equal("M", self.io.exp_suffix_map[2])
        assert_equal("n", self.io.exp_suffix_map[-3])

    def test_normalize_numeric_safe(self):
        assert_equal(self.io.normalize_numeric_safe(1.25), 1.25)
        assert_equal(self.io.normalize_numeric_safe("1.25"), 1.25)
        assert_equal(self.io.normalize_numeric_safe("1.25 V"), 1.25)
        assert_equal(self.io.normalize_numeric_safe("1k25 V"), 1250.0)
        assert_equal(self.io.normalize_numeric_safe(b"1k25 V"), 1250.0)
        assert_allclose(self.io.normalize_numeric_safe(["1k25 V", "4.25 A"]),
                        [1250.0, 4.25])
        # Invalid inputs and partially invalid inputs
        assert_is_none(self.io.normalize_numeric_safe("foobar"))
        assert_allclose(self.io.normalize_numeric_safe(["foobar", "1.2 J"]),
                        [np.nan, 1.2])

    def test_normalize_numeric(self):
        assert_equal(self.io.normalize_numeric(1.25), 1.25)
        assert_equal(self.io.normalize_numeric("1.25"), 1.25)
        assert_equal(self.io.normalize_numeric("1.25 V"), 1.25)
        assert_equal(self.io.normalize_numeric("1k25 V"), 1250.0)
        assert_equal(self.io.normalize_numeric(b"1k25 V"), 1250.0)
        assert_allclose(self.io.normalize_numeric(["1k25 V", "4.25 A"]),
                        np.asarray([1250.0, 4.25]))

    @raises(ValueError)
    def test_normalize_numeric_invalid(self):
        self.io.normalize_numeric(["1.2 J", "foobar"])

    def test_safe_normalize(self):
        assert_tuple_equal(self.io.safe_normalize("1.25 kV"), (1250., "V"))
        assert_is_none(self.io.safe_normalize("1x25"))

    # Just basic tests for autoFormat. Specific tests in other modules that have annotated functions

    def testAutoFormatValid(self):
        def testfn(n=1.0) -> Unit("V"):
            return n

        assert_equal(self.io.auto_format(testfn), "1.00 V")
        # Test functools.partial() behaviour
        testfn2 = functools.partial(testfn, n=2.0)
        assert_equal(self.io.auto_format(testfn2), "2.00 V")
        # Test nested functools.partial() behaviour
        testfn3 = functools.partial(testfn2, n=3.0)
        assert_equal(self.io.auto_format(testfn3), "3.00 V")

    @raises(UnannotatedReturnValueError)
    def testAutoFormatInvalid1(self):
        self.io.auto_format(self.io.format)  # Callable but not annotated

    @raises(ValueError)
    def testAutoFormatInvalid2(self):
        self.io.auto_format(None)

    def test_auto_suffix_1d(self):
        arr = np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1., ""))
        arr = 1e-3 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e3, "m"))
        arr = 1e9 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e-9, "G"))
        arr = np.arange(1000., 2000., 5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e-3, "k"))
        # Test out of limits
        arr = 1e-40 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e24, "y"))
        arr = 1e40 * np.arange(-4., 5., .5)
        assert_equal(self.io.auto_suffix_1d(arr), (1e-21, "Y"))

    def test_special_units(self):
        """
        Test ppm, ppb and %
        """
        # %
        assert_approx_equal(self.io.normalize_numeric_safe("1.25"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("125 %"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("125.0 %"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 %"), 0.0125)
        # ppm
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 ppm"),
                            1.25e-6)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5 ppm"),
                            1.25e-5)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5ppm"), 1.25e-5)
        # ppb
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 ppb"),
                            1.25e-9)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5 ppb"),
                            1.25e-8)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5ppb"), 1.25e-8)

    def test_time_units(self):
        """
        Test ppm, ppb and %
        """
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 s"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 min"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 h"), 1.25)
Esempio n. 6
0
 def setUp(self):
     self.io = EngineerIO()
Esempio n. 7
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class TestEngineerIO(unittest.TestCase):
    def setUp(self):
        self.io = EngineerIO()

    def test_normalize_interpunctation(self):
        for suffix in ["", "k", " kV", "V/√Hz", "µV"]:
            self.assertEqual(normalize_interpunctation("1234" + suffix),
                             '1234' + suffix)
            self.assertEqual(normalize_interpunctation("123.4" + suffix),
                             '123.4' + suffix)
            self.assertEqual(normalize_interpunctation("123,4" + suffix),
                             '123.4' + suffix)
            self.assertEqual(normalize_interpunctation("1,234.5" + suffix),
                             '1234.5' + suffix)
            self.assertEqual(normalize_interpunctation("1.234,5" + suffix),
                             '1234.5' + suffix)
            self.assertEqual(normalize_interpunctation("1.234,5" + suffix),
                             '1234.5' + suffix)
        self.assertEqual(normalize_interpunctation(""), "")

    def test_split_input(self):
        self.assertTupleEqual(self.io.split_input("1234"),
                              SplitResult('', '1234', '', '', ''))
        self.assertTupleEqual(self.io.split_input("1234k"),
                              SplitResult('', '1234', 'k', '', ''))
        self.assertTupleEqual(self.io.split_input("1234kΩ"),
                              SplitResult('', '1234', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1.234kΩ"),
                              SplitResult('', '1.234', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1,234kΩ"),
                              SplitResult('', '1.234', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1,234.56kΩ"),
                              SplitResult('', '1234.56', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1k234"),
                              SplitResult('', '1.234', 'k', '', ''))
        self.assertTupleEqual(self.io.split_input("1k234Ω"),
                              SplitResult('', '1.234', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1,234.56Ω"),
                              SplitResult('', '1234.56', '', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1A"),
                              SplitResult('', '1', '', '', 'A'))
        self.assertTupleEqual(self.io.split_input("0Ω"),
                              SplitResult('', '0', '', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("±5%"),
                              SplitResult('±', '5', '', '', '%'))
        self.assertTupleEqual(self.io.split_input("± 5%"),
                              SplitResult('±', '5', '', '', '%'))
        self.assertTupleEqual(self.io.split_input("± 5 %"),
                              SplitResult('±', '5', '', '', '%'))
        self.assertTupleEqual(self.io.split_input("0 Ω"),
                              SplitResult('', '0', '', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1"),
                              SplitResult('', '1', '', '', ''))
        self.assertTupleEqual(self.io.split_input("1k234 Ω"),
                              SplitResult('', '1.234', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("-1,234.56kΩ"),
                              SplitResult('', '-1234.56', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("-1e3kΩ"),
                              SplitResult('', '-1e3', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("1e-3kΩ"),
                              SplitResult('', '1e-3', 'k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_input("-4e6nA"),
                              SplitResult('', '-4e6', 'n', '', 'A'))
        self.assertTupleEqual(self.io.split_input("3.2 MHz"),
                              SplitResult('', '3.2', 'M', '', 'Hz'))
        self.assertTupleEqual(self.io.split_input("3.2 °C"),
                              SplitResult('', '3.2', '', '°', 'C'))
        self.assertTupleEqual(self.io.split_input("3k2 °C"),
                              SplitResult('', '3.2', 'k', '°', 'C'))
        self.assertTupleEqual(self.io.split_input("100 mV"),
                              SplitResult('', '100', 'm', '', 'V'))
        self.assertTupleEqual(self.io.split_input("Δ3.2 MHz"),
                              SplitResult('Δ', '3.2', 'M', '', 'Hz'))
        self.assertTupleEqual(self.io.split_input("3.20 €"),
                              SplitResult('', '3.20', '', '', '€'))
        self.assertTupleEqual(self.io.split_input("0.000014 €"),
                              SplitResult('', '0.000014', '', '', '€'))

    @parameterized.expand([("1,234.56kfA", ),
                           ("1.23k45A", ), ("1,234.56kfA", ), ("foobar", ),
                           (None, ), (["1.2 J", "foobar"], ), ("1k2 MA", ),
                           ("1.2kkA", ), ("1k2kA", ), ("1k2.4", ), ("k2", ),
                           ("A", ), ("k", ), ("ky", ), ("kA", ), ("kfA", ),
                           ("AA", ), ("kΔ", ), ("Δ", ), ("AΔ", ), ("ΔA", ),
                           ("ΔAΔ", ), (" ", ), ("", )])
    def test_normalize_numeric_invalid(self, s):
        with self.assertRaises(ValueError):
            print(self.io.normalize_numeric(s))

    def test_split_unit(self):
        self.assertTupleEqual(self.io.split_unit("1234"),
                              UnitSplitResult('1234', '', ''))
        self.assertTupleEqual(self.io.split_unit("1234k"),
                              UnitSplitResult('1234k', '', ''))
        self.assertTupleEqual(self.io.split_unit("1234kΩ"),
                              UnitSplitResult('1234k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("1.234kΩ"),
                              UnitSplitResult('1.234k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("1,234kΩ"),
                              UnitSplitResult('1,234k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("1,234.56kΩ"),
                              UnitSplitResult('1,234.56k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("1k234"),
                              UnitSplitResult('1k234', '', ''))
        self.assertTupleEqual(self.io.split_unit("1k234Ω"),
                              UnitSplitResult('1k234', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("1,234.56Ω"),
                              UnitSplitResult('1,234.56', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("1A"),
                              UnitSplitResult('1', '', 'A'))
        self.assertTupleEqual(self.io.split_unit("1"),
                              UnitSplitResult('1', '', ''))
        self.assertTupleEqual(self.io.split_unit("1k234 Ω"),
                              UnitSplitResult('1k234', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("-1,234.56kΩ"),
                              UnitSplitResult('-1,234.56k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("-1e3kΩ"),
                              UnitSplitResult('-1e3k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("1e-3kΩ"),
                              UnitSplitResult('1e-3k', '', 'Ω'))
        self.assertTupleEqual(self.io.split_unit("-4e6nA"),
                              UnitSplitResult('-4e6n', '', 'A'))
        self.assertTupleEqual(self.io.split_unit("3.2 MHz"),
                              UnitSplitResult('3.2 M', '', 'Hz'))
        self.assertTupleEqual(self.io.split_unit("3.2 °C"),
                              UnitSplitResult('3.2', '°', 'C'))
        self.assertTupleEqual(self.io.split_unit("3k2 °C"),
                              UnitSplitResult('3k2', '°', 'C'))
        self.assertTupleEqual(self.io.split_unit("100 mV"),
                              UnitSplitResult('100 m', '', 'V'))
        self.assertTupleEqual(self.io.split_unit("50 °C/W"),
                              UnitSplitResult('50', '°', 'C/W'))
        self.assertTupleEqual(self.io.split_unit(""),
                              UnitSplitResult('', '', ''))

    def test_normalize(self):
        self.assertTupleEqual(self.io.normalize("100 kΩ"),
                              NormalizeResult('', 1e5, '', "Ω"))
        self.assertTupleEqual(self.io.normalize("100 kΩ".encode("utf8")),
                              NormalizeResult('', 1e5, '', "Ω"))

    def test_format_with_suffix(self):
        self.assertEqual(_format_with_suffix(1.01, "A"), '1.01 A')
        self.assertEqual(_format_with_suffix(1, "A"), '1.00 A')
        self.assertEqual(_format_with_suffix(101, "A"), '101 A')
        self.assertEqual(_format_with_suffix(99.9, "A"), '99.9 A')
        self.assertEqual(_format_with_suffix(1000.0, ""), '1000')
        # More significant digits
        self.assertEqual(_format_with_suffix(1.01, "A", significant_digits=4),
                         '1.010 A')

    def test_format(self):
        self.assertEqual(self.io.format(1.0e-15, "V"), '1.00 fV')
        self.assertEqual(self.io.format(234.6789e-3, "V"), '235 mV')
        self.assertEqual(self.io.format(234.6789, "V"), '235 V')
        self.assertEqual(self.io.format(2345.6789, "V"), '2.35 kV')
        self.assertEqual(self.io.format(2345.6789e6, "V"), '2.35 GV')
        self.assertEqual(self.io.format(2345.6789e12, "V"), '2.35 EV')
        self.assertEqual(self.io.format(2.3456789e-6, "V"), '2.35 µV')
        self.assertEqual(self.io.format(2.3456789e-6, "°C"), '2.35 µ°C')
        self.assertEqual(self.io.format(-2.3456789e-6, "°C"), '-2.35 µ°C')
        # More significant digits
        self.assertEqual(self.io.format(-2.3456789e-6, "°C", 4), '-2.346 µ°C')
        self.assertEqual(self.io.format(-2.3456789e-6, "°C", 5), '-2.3457 µ°C')
        self.assertEqual(self.io.format(-2.3456789e-6, "°C", 2), '-2.3 µ°C')

    def test_format_invalid(self):
        with self.assertRaises(ValueError):
            self.io.format(1.0e-25, "V")

    def test_format_no_unit(self):
        self.assertEqual(self.io.format(1.999999, ""), '2.00')
        self.assertEqual(self.io.format(1.999999, None), '2.00')

    def testRounding(self):
        self.assertEqual(self.io.format(1.999999, ""), '2.00')
        self.assertEqual(self.io.format(19.99999, ""), '20.0')
        self.assertEqual(self.io.format(199.9999, ""), '200')

    def testIsValidSuffix(self):
        for c in "fpnuµmkMGT":
            self.assertIn(c, self.io.suffix_exp_map)

    def test_exp_suffix_map(self):
        self.assertEqual(self.io.suffix_exp_map["f"], -15)
        self.assertEqual(self.io.suffix_exp_map["k"], 3)
        self.assertEqual(self.io.suffix_exp_map["u"], -6)
        self.assertEqual(self.io.suffix_exp_map["µ"], -6)
        self.assertEqual(self.io.suffix_exp_map["T"], 12)
        self.assertEqual(self.io.suffix_exp_map[""], 0)
        # Check "in" operator
        self.assertIn("k", self.io.suffix_exp_map)
        # Invalid suffix_exp_map
        self.assertNotIn("B", self.io.suffix_exp_map)

    def test_exp_suffix_map2(self):
        self.assertEqual("", self.io.exp_suffix_map[0])
        self.assertEqual("k", self.io.exp_suffix_map[1])
        self.assertEqual("M", self.io.exp_suffix_map[2])
        self.assertEqual("n", self.io.exp_suffix_map[-3])

    def test_normalize_numeric_safe(self):
        self.assertEqual(self.io.normalize_numeric_safe(1.25), 1.25)
        self.assertEqual(self.io.normalize_numeric_safe("1.25"), 1.25)
        self.assertEqual(self.io.normalize_numeric_safe("1.25 V"), 1.25)
        self.assertEqual(self.io.normalize_numeric_safe("1k25 V"), 1250.0)
        self.assertEqual(self.io.normalize_numeric_safe(b"1k25 V"), 1250.0)
        assert_allclose(self.io.normalize_numeric_safe(["1k25 V", "4.25 A"]),
                        [1250.0, 4.25])
        # Invalid inputs and partially invalid inputs
        self.assertIsNone(self.io.normalize_numeric_safe("foobar"))
        assert_allclose(self.io.normalize_numeric_safe(["foobar", "1.2 J"]),
                        [np.nan, 1.2])

    def test_normalize_numeric(self):
        self.assertEqual(self.io.normalize_numeric(1.25), 1.25)
        self.assertEqual(self.io.normalize_numeric("1.25"), 1.25)
        self.assertEqual(self.io.normalize_numeric("1.25 V"), 1.25)
        self.assertEqual(self.io.normalize_numeric("1k25 V"), 1250.0)
        self.assertEqual(self.io.normalize_numeric(b"1k25 V"), 1250.0)
        assert_allclose(self.io.normalize_numeric(["1k25 V", "4.25 A"]),
                        np.asarray([1250.0, 4.25]))

    def test_normalize_numeric_verify_unit(self):
        self.assertEqual(
            self.io.normalize_numeric_verify_unit(1.25, Unit("V")), 1.25)
        self.assertEqual(
            self.io.normalize_numeric_verify_unit("1.25", Unit("V")), 1.25)
        self.assertEqual(
            self.io.normalize_numeric_verify_unit("1.25 V", Unit("V")), 1.25)
        self.assertEqual(
            self.io.normalize_numeric_verify_unit("1k25 V", Unit("V")), 1250.0)
        self.assertEqual(
            self.io.normalize_numeric_verify_unit(b"1k25 V", Unit("V")),
            1250.0)
        assert_allclose(
            self.io.normalize_numeric_verify_unit(["1k25 V", "4.25 V"],
                                                  Unit("V")),
            np.asarray([1250.0, 4.25]))

    @parameterized.expand([
        ("1.25 A", Unit("V")),
        ("1.25 kA", Unit("V")),
        ("1.25 V", Unit("A")),
    ])
    def test_normalize_numeric_verify_unit_raises(self, s, reference):
        # Tests that should not verify any unite
        with self.assertRaises(InvalidUnitInContextException):
            self.io.normalize_numeric_verify_unit(s, reference)

    def test_safe_normalize(self):
        self.assertTupleEqual(self.io.safe_normalize("1.25 kV"),
                              NormalizeResult('', 1250., '', 'V'))
        self.assertIsNone(self.io.safe_normalize("1x25"))

    # Just basic tests for autoFormat. Specific tests in other modules that have annotated functions

    def testAutoFormatValid(self):
        def testfn(n=1.0) -> Unit("V"):
            return n

        self.assertEqual(self.io.auto_format(testfn), "1.00 V")
        # Test functools.partial() behaviour
        testfn2 = functools.partial(testfn, n=2.0)
        self.assertEqual(self.io.auto_format(testfn2), "2.00 V")
        # Test nested functools.partial() behaviour
        testfn3 = functools.partial(testfn2, n=3.0)
        self.assertEqual(self.io.auto_format(testfn3), "3.00 V")

    def testAutoFormatInvalid1(self):
        with self.assertRaises(UnannotatedReturnValueError):
            self.io.auto_format(self.io.format)  # Callable but not annotated

    def testAutoFormatInvalid2(self):
        with self.assertRaises(ValueError):
            self.io.auto_format(None)

    def test_auto_suffix_1d(self):
        arr = np.arange(-4., 5., .5)
        self.assertEqual(self.io.auto_suffix_1d(arr), (1., ""))
        arr = 1e-3 * np.arange(-4., 5., .5)
        self.assertEqual(self.io.auto_suffix_1d(arr), (1e3, "m"))
        arr = 1e9 * np.arange(-4., 5., .5)
        self.assertEqual(self.io.auto_suffix_1d(arr), (1e-9, "G"))
        arr = np.arange(1000., 2000., 5)
        self.assertEqual(self.io.auto_suffix_1d(arr), (1e-3, "k"))
        # Test out of limits
        arr = 1e-40 * np.arange(-4., 5., .5)
        self.assertEqual(self.io.auto_suffix_1d(arr), (1e24, "y"))
        arr = 1e40 * np.arange(-4., 5., .5)
        self.assertEqual(self.io.auto_suffix_1d(arr), (1e-21, "Y"))

    def test_special_units(self):
        """
        Test ppm, ppb and %
        """
        # %
        assert_approx_equal(self.io.normalize_numeric_safe("1.25"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("125 %"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("125.0 %"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 %"), 0.0125)
        # ppm
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 ppm"),
                            1.25e-6)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5 ppm"),
                            1.25e-5)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5ppm"), 1.25e-5)
        # ppb
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 ppb"),
                            1.25e-9)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5 ppb"),
                            1.25e-8)
        assert_approx_equal(self.io.normalize_numeric_safe("12.5ppb"), 1.25e-8)

    def test_time_units(self):
        """
        Test ppm, ppb and %
        """
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 s"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 min"), 1.25)
        assert_approx_equal(self.io.normalize_numeric_safe("1.25 h"), 1.25)