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How to use assert_all method in Slash

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test_type_check.py

Source:test_type_check.py

...7from numpy.lib.type_check import (8    common_type, mintypecode, isreal, iscomplex, isposinf, isneginf,9    nan_to_num, isrealobj, iscomplexobj, asfarray, real_if_close10    )11def assert_all(x):12    assert_(np.all(x), x)13class TestCommonType(TestCase):14    def test_basic(self):15        ai32 = np.array([[1, 2], [3, 4]], dtype=np.int32)16        af16 = np.array([[1, 2], [3, 4]], dtype=np.float16)17        af32 = np.array([[1, 2], [3, 4]], dtype=np.float32)18        af64 = np.array([[1, 2], [3, 4]], dtype=np.float64)19        acs = np.array([[1+5j, 2+6j], [3+7j, 4+8j]], dtype=np.csingle)20        acd = np.array([[1+5j, 2+6j], [3+7j, 4+8j]], dtype=np.cdouble)21        assert_(common_type(ai32) == np.float64)22        assert_(common_type(af16) == np.float16)23        assert_(common_type(af32) == np.float32)24        assert_(common_type(af64) == np.float64)25        assert_(common_type(acs) == np.csingle)26        assert_(common_type(acd) == np.cdouble)27class TestMintypecode(TestCase):28    def test_default_1(self):29        for itype in '1bcsuwil':30            assert_equal(mintypecode(itype), 'd')31        assert_equal(mintypecode('f'), 'f')32        assert_equal(mintypecode('d'), 'd')33        assert_equal(mintypecode('F'), 'F')34        assert_equal(mintypecode('D'), 'D')35    def test_default_2(self):36        for itype in '1bcsuwil':37            assert_equal(mintypecode(itype+'f'), 'f')38            assert_equal(mintypecode(itype+'d'), 'd')39            assert_equal(mintypecode(itype+'F'), 'F')40            assert_equal(mintypecode(itype+'D'), 'D')41        assert_equal(mintypecode('ff'), 'f')42        assert_equal(mintypecode('fd'), 'd')43        assert_equal(mintypecode('fF'), 'F')44        assert_equal(mintypecode('fD'), 'D')45        assert_equal(mintypecode('df'), 'd')46        assert_equal(mintypecode('dd'), 'd')47        #assert_equal(mintypecode('dF',savespace=1),'F')48        assert_equal(mintypecode('dF'), 'D')49        assert_equal(mintypecode('dD'), 'D')50        assert_equal(mintypecode('Ff'), 'F')51        #assert_equal(mintypecode('Fd',savespace=1),'F')52        assert_equal(mintypecode('Fd'), 'D')53        assert_equal(mintypecode('FF'), 'F')54        assert_equal(mintypecode('FD'), 'D')55        assert_equal(mintypecode('Df'), 'D')56        assert_equal(mintypecode('Dd'), 'D')57        assert_equal(mintypecode('DF'), 'D')58        assert_equal(mintypecode('DD'), 'D')59    def test_default_3(self):60        assert_equal(mintypecode('fdF'), 'D')61        #assert_equal(mintypecode('fdF',savespace=1),'F')62        assert_equal(mintypecode('fdD'), 'D')63        assert_equal(mintypecode('fFD'), 'D')64        assert_equal(mintypecode('dFD'), 'D')65        assert_equal(mintypecode('ifd'), 'd')66        assert_equal(mintypecode('ifF'), 'F')67        assert_equal(mintypecode('ifD'), 'D')68        assert_equal(mintypecode('idF'), 'D')69        #assert_equal(mintypecode('idF',savespace=1),'F')70        assert_equal(mintypecode('idD'), 'D')71class TestIsscalar(TestCase):72    def test_basic(self):73        assert_(np.isscalar(3))74        assert_(not np.isscalar([3]))75        assert_(not np.isscalar((3,)))76        assert_(np.isscalar(3j))77        assert_(np.isscalar(long(10)))78        assert_(np.isscalar(4.0))79class TestReal(TestCase):80    def test_real(self):81        y = np.random.rand(10,)82        assert_array_equal(y, np.real(y))83    def test_cmplx(self):84        y = np.random.rand(10,)+1j*np.random.rand(10,)85        assert_array_equal(y.real, np.real(y))86class TestImag(TestCase):87    def test_real(self):88        y = np.random.rand(10,)89        assert_array_equal(0, np.imag(y))90    def test_cmplx(self):91        y = np.random.rand(10,)+1j*np.random.rand(10,)92        assert_array_equal(y.imag, np.imag(y))93class TestIscomplex(TestCase):94    def test_fail(self):95        z = np.array([-1, 0, 1])96        res = iscomplex(z)97        assert_(not np.sometrue(res, axis=0))98    def test_pass(self):99        z = np.array([-1j, 1, 0])100        res = iscomplex(z)101        assert_array_equal(res, [1, 0, 0])102class TestIsreal(TestCase):103    def test_pass(self):104        z = np.array([-1, 0, 1j])105        res = isreal(z)106        assert_array_equal(res, [1, 1, 0])107    def test_fail(self):108        z = np.array([-1j, 1, 0])109        res = isreal(z)110        assert_array_equal(res, [0, 1, 1])111class TestIscomplexobj(TestCase):112    def test_basic(self):113        z = np.array([-1, 0, 1])114        assert_(not iscomplexobj(z))115        z = np.array([-1j, 0, -1])116        assert_(iscomplexobj(z))117class TestIsrealobj(TestCase):118    def test_basic(self):119        z = np.array([-1, 0, 1])120        assert_(isrealobj(z))121        z = np.array([-1j, 0, -1])122        assert_(not isrealobj(z))123class TestIsnan(TestCase):124    def test_goodvalues(self):125        z = np.array((-1., 0., 1.))126        res = np.isnan(z) == 0127        assert_all(np.all(res, axis=0))128    def test_posinf(self):129        with np.errstate(divide='ignore'):130            assert_all(np.isnan(np.array((1.,))/0.) == 0)131    def test_neginf(self):132        with np.errstate(divide='ignore'):133            assert_all(np.isnan(np.array((-1.,))/0.) == 0)134    def test_ind(self):135        with np.errstate(divide='ignore', invalid='ignore'):136            assert_all(np.isnan(np.array((0.,))/0.) == 1)137    def test_integer(self):138        assert_all(np.isnan(1) == 0)139    def test_complex(self):140        assert_all(np.isnan(1+1j) == 0)141    def test_complex1(self):142        with np.errstate(divide='ignore', invalid='ignore'):143            assert_all(np.isnan(np.array(0+0j)/0.) == 1)144class TestIsfinite(TestCase):145    # Fixme, wrong place, isfinite now ufunc146    def test_goodvalues(self):147        z = np.array((-1., 0., 1.))148        res = np.isfinite(z) == 1149        assert_all(np.all(res, axis=0))150    def test_posinf(self):151        with np.errstate(divide='ignore', invalid='ignore'):152            assert_all(np.isfinite(np.array((1.,))/0.) == 0)153    def test_neginf(self):154        with np.errstate(divide='ignore', invalid='ignore'):155            assert_all(np.isfinite(np.array((-1.,))/0.) == 0)156    def test_ind(self):157        with np.errstate(divide='ignore', invalid='ignore'):158            assert_all(np.isfinite(np.array((0.,))/0.) == 0)159    def test_integer(self):160        assert_all(np.isfinite(1) == 1)161    def test_complex(self):162        assert_all(np.isfinite(1+1j) == 1)163    def test_complex1(self):164        with np.errstate(divide='ignore', invalid='ignore'):165            assert_all(np.isfinite(np.array(1+1j)/0.) == 0)166class TestIsinf(TestCase):167    # Fixme, wrong place, isinf now ufunc168    def test_goodvalues(self):169        z = np.array((-1., 0., 1.))170        res = np.isinf(z) == 0171        assert_all(np.all(res, axis=0))172    def test_posinf(self):173        with np.errstate(divide='ignore', invalid='ignore'):174            assert_all(np.isinf(np.array((1.,))/0.) == 1)175    def test_posinf_scalar(self):176        with np.errstate(divide='ignore', invalid='ignore'):177            assert_all(np.isinf(np.array(1.,)/0.) == 1)178    def test_neginf(self):179        with np.errstate(divide='ignore', invalid='ignore'):180            assert_all(np.isinf(np.array((-1.,))/0.) == 1)181    def test_neginf_scalar(self):182        with np.errstate(divide='ignore', invalid='ignore'):183            assert_all(np.isinf(np.array(-1.)/0.) == 1)184    def test_ind(self):185        with np.errstate(divide='ignore', invalid='ignore'):186            assert_all(np.isinf(np.array((0.,))/0.) == 0)187class TestIsposinf(TestCase):188    def test_generic(self):189        with np.errstate(divide='ignore', invalid='ignore'):190            vals = isposinf(np.array((-1., 0, 1))/0.)191        assert_(vals[0] == 0)192        assert_(vals[1] == 0)193        assert_(vals[2] == 1)194class TestIsneginf(TestCase):195    def test_generic(self):196        with np.errstate(divide='ignore', invalid='ignore'):197            vals = isneginf(np.array((-1., 0, 1))/0.)198        assert_(vals[0] == 1)199        assert_(vals[1] == 0)200        assert_(vals[2] == 0)201class TestNanToNum(TestCase):202    def test_generic(self):203        with np.errstate(divide='ignore', invalid='ignore'):204            vals = nan_to_num(np.array((-1., 0, 1))/0.)205        assert_all(vals[0] < -1e10) and assert_all(np.isfinite(vals[0]))206        assert_(vals[1] == 0)207        assert_all(vals[2] > 1e10) and assert_all(np.isfinite(vals[2]))208    def test_integer(self):209        vals = nan_to_num(1)210        assert_all(vals == 1)211        vals = nan_to_num([1])212        assert_array_equal(vals, np.array([1], np.int))213    def test_complex_good(self):214        vals = nan_to_num(1+1j)215        assert_all(vals == 1+1j)216    def test_complex_bad(self):217        with np.errstate(divide='ignore', invalid='ignore'):218            v = 1 + 1j219            v += np.array(0+1.j)/0.220        vals = nan_to_num(v)221        # !! This is actually (unexpectedly) zero222        assert_all(np.isfinite(vals))223    def test_complex_bad2(self):224        with np.errstate(divide='ignore', invalid='ignore'):225            v = 1 + 1j226            v += np.array(-1+1.j)/0.227        vals = nan_to_num(v)228        assert_all(np.isfinite(vals))229        # Fixme230        #assert_all(vals.imag > 1e10)  and assert_all(np.isfinite(vals))231        # !! This is actually (unexpectedly) positive232        # !! inf.  Comment out for now, and see if it233        # !! changes234        #assert_all(vals.real < -1e10) and assert_all(np.isfinite(vals))235class TestRealIfClose(TestCase):236    def test_basic(self):237        a = np.random.rand(10)238        b = real_if_close(a+1e-15j)239        assert_all(isrealobj(b))240        assert_array_equal(a, b)241        b = real_if_close(a+1e-7j)242        assert_all(iscomplexobj(b))243        b = real_if_close(a+1e-7j, tol=1e-6)244        assert_all(isrealobj(b))245class TestArrayConversion(TestCase):246    def test_asfarray(self):247        a = asfarray(np.array([1, 2, 3]))248        assert_equal(a.__class__, np.ndarray)249        assert_(np.issubdtype(a.dtype, np.float))250if __name__ == "__main__":...

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