Пример #1
0
def test_rdiv(session):
    sess = session

    # scalar / session
    with must_warn(RuntimeWarning,
                   msg="divide by zero encountered during operation",
                   check_num=False):
        res = 2 / sess
    with np.errstate(divide='ignore'):
        expected_e = 2 / e
        expected_f = 2 / f
        expected_g = 2 / g
    assert_array_nan_equal(res['e'], expected_e)
    assert_array_nan_equal(res['f'], expected_f)
    assert_array_nan_equal(res['g'], expected_g)
    assert res.a is a
    assert res.a01 is a01
    assert res.c is c

    # dict(Array and scalar) - session
    other = {'e': e, 'f': f}
    with must_warn(
            RuntimeWarning,
            msg=
            "invalid value (NaN) encountered during operation (this is typically caused by a 0 / 0)",
            check_num=False):
        res = other / sess
    with np.errstate(invalid='ignore'):
        expected_e = e / e
        expected_f = f / f
    assert_array_nan_equal(res['e'], expected_e)
    assert_array_nan_equal(res['f'], expected_f)
    assert res.a is a
    assert res.a01 is a01
    assert res.c is c
Пример #2
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def test_add_cs(checkedsession):
    cs = checkedsession
    test_add(cs)

    u = Axis('u=u0..u2')
    with must_warn(UserWarning, msg=f"'u' is not declared in '{cs.__class__.__name__}'", check_file=False):
        cs.add(u)
Пример #3
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def test_to_globals(session):
    msg = "Session.to_globals should usually only be used in interactive consoles and not in scripts. " \
          "Use warn=False to deactivate this warning."
    with must_warn(RuntimeWarning, msg=msg):
        session.to_globals()

    assert a is session.a
    assert b is session.b
    assert c is session.c
    assert d is session.d
    assert e is session.e
    assert f is session.f
    assert g is session.g

    # test inplace
    backup_dest = e
    backup_value = session.e.copy()
    session.e = zeros_like(e)
    session.to_globals(inplace=True, warn=False)
    # check the variable is correct (the same as before)
    assert e is backup_dest
    assert e is not session.e
    # check the content has changed
    assert_array_nan_equal(e, session.e)
    assert not e.equals(backup_value)
    # reset e to its original value
    e[:] = backup_value
Пример #4
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def test_excel_report_sheets():
    report = ExcelReport()
    # test adding new sheets
    report.new_sheet('Population')
    report.new_sheet('Births')
    report.new_sheet('Deaths')
    # test warning if sheet already exists
    with must_warn(
            UserWarning,
            msg=
            "Sheet 'Population' already exists in the report and will be reset"
    ):
        sheet_population2 = report.new_sheet('Population')  # noqa: F841
    # test sheet_names()
    assert report.sheet_names() == ['Population', 'Births', 'Deaths']
Пример #5
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def test_setattr_cs(checkedsession):
    cs = checkedsession

    # only change values of an array -> OK
    cs.h = zeros_like(h)

    # trying to add an undeclared variable -> prints a warning message
    with must_warn(UserWarning, msg=f"'i' is not declared in '{cs.__class__.__name__}'"):
        cs.i = ndtest((3, 3))

    # trying to set a variable with an object of different type -> should fail
    # a) type given explicitly
    # -> Axis
    with must_raise(TypeError, msg="instance of Axis expected"):
        cs.a = 0
    # -> CheckedArray
    with must_raise(TypeError, msg="Expected object of type 'Array' or a scalar for the variable 'h' but got "
                                   "object of type 'ndarray'"):
        cs.h = h.data
    # b) type deduced from the given default value
    with must_raise(TypeError, msg="instance of Axis expected"):
        cs.b = ndtest((3, 3))

    # trying to set a CheckedArray variable using a scalar -> OK
    cs.h = 5

    # trying to set a CheckedArray variable using an array with axes in different order -> OK
    cs.h = h.transpose()
    assert cs.h.axes.names == h.axes.names

    # broadcasting (missing axis) is allowed
    cs.h = ndtest(a3)
    assert_array_nan_equal(cs.h['b0'], cs.h['b1'])

    # trying to set a CheckedArray variable using an array with wrong axes -> should fail
    # a) extra axis
    with must_raise(ValueError, msg="Array 'h' was declared with axes {a, b} but got array with axes {a, b, c} "
                                    "(unexpected {c} axis)"):
        cs.h = ndtest((a3, b2, 'c=c0..c2'))
    # b) incompatible axis
    msg = """\
Incompatible axis for array 'h':
Axis(['a0', 'a1', 'a2', 'a3', 'a4'], 'a')
vs
Axis(['a0', 'a1', 'a2', 'a3'], 'a')"""
    with must_raise(ValueError, msg=msg):
        cs.h = h.append('a', 0, 'a4')
Пример #6
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def test_div(session):
    sess = session
    session_cls = session.__class__

    other = session_cls({'e': e, 'f': f})
    other['e'] = e - 1
    other['f'] = f + 1

    with must_warn(RuntimeWarning,
                   msg="divide by zero encountered during operation"):
        res = sess / other

    with np.errstate(divide='ignore', invalid='ignore'):
        flat_e = np.arange(6) / np.arange(-1, 5)
    assert_array_nan_equal(res['e'], flat_e.reshape(2, 3))

    flat_f = np.arange(6) / np.arange(1, 7)
    assert_array_nan_equal(res['f'], flat_f.reshape(3, 2))
    assert isnan(res['g']).all()
Пример #7
0
def test_create_checkedsession_instance(meta):
    # As of v1.0 of pydantic all fields with annotations (whether annotation-only or with a default value)
    # will precede all fields without an annotation. Within their respective groups, fields remain in the
    # order they were defined.
    # See https://pydantic-docs.helpmanual.io/usage/models/#field-ordering
    declared_variable_keys = ['a', 'a2', 'a01', 'c', 'e', 'g', 'f', 'h', 'b', 'b024', 'anonymous', 'ano01', 'd']

    # setting variables without default values
    cs = TestCheckedSession(a, a01, a2=a2, e=e, f=f, g=g, h=h)
    assert list(cs.keys()) == declared_variable_keys
    assert cs.b.equals(b)
    assert cs.b024.equals(b024)
    assert cs.a.equals(a)
    assert cs.a2.equals(a2)
    assert cs.anonymous.equals(anonymous)
    assert cs.a01.equals(a01)
    assert cs.ano01.equals(ano01)
    assert cs.c == c
    assert cs.d == d
    assert cs.e.equals(e)
    assert cs.g.equals(g)
    assert cs.f.equals(f)
    assert cs.h.equals(h)

    # metadata
    cs = TestCheckedSession(a, a01, a2=a2, e=e, f=f, g=g, h=h, meta=meta)
    assert cs.meta == meta

    # override default value
    b_alt = Axis('b=b0..b4')
    cs = TestCheckedSession(a, a01, b=b_alt, a2=a2, e=e, f=f, g=g, h=h)
    assert cs.b is b_alt

    # test for "NOT_LOADED" variables
    with must_warn(UserWarning, msg="No value passed for the declared variable 'a'", check_file=False):
        TestCheckedSession(a01=a01, a2=a2, e=e, f=f, g=g, h=h)
    cs = TestCheckedSession()
    assert list(cs.keys()) == declared_variable_keys
    # --- variables with default values ---
    assert cs.b.equals(b)
    assert cs.b024.equals(b024)
    assert cs.anonymous.equals(anonymous)
    assert cs.ano01.equals(ano01)
    assert cs.c == c
    assert cs.d == d
    # --- variables without default values ---
    assert isinstance(cs.a, NotLoaded)
    assert isinstance(cs.a2, NotLoaded)
    assert isinstance(cs.a01, NotLoaded)
    assert isinstance(cs.e, NotLoaded)
    assert isinstance(cs.g, NotLoaded)
    assert isinstance(cs.f, NotLoaded)
    assert isinstance(cs.h, NotLoaded)

    # passing a scalar to set all elements a CheckedArray
    cs = TestCheckedSession(a, a01, a2=a2, e=e, f=f, g=g, h=5)
    assert cs.h.axes == AxisCollection((a3, b2))
    assert cs.h.equals(full(axes=(a3, b2), fill_value=5))

    # add the undeclared variable 'i'
    with must_warn(UserWarning, f"'i' is not declared in '{cs.__class__.__name__}'", check_file=False):
        cs = TestCheckedSession(a, a01, a2=a2, i=5, e=e, f=f, g=g, h=h)
    assert list(cs.keys()) == declared_variable_keys + ['i']

    # test inheritance between checked sessions
    class TestInheritance(TestCheckedSession):
        # override variables
        b = b2
        c: int = 5
        f: CheckedArray((a3, b2), dtype=int)
        h: CheckedArray((Axis(3), Axis(2)))
        # new variables
        n0 = 'first new var'
        n1: str

    declared_variable_keys += ['n1', 'n0']
    cs = TestInheritance(a, a01, a2=a2, e=e, f=h, g=g, h=f, n1='second new var')
    assert list(cs.keys()) == declared_variable_keys
    # --- overriden variables ---
    assert cs.b.equals(b2)
    assert cs.c == 5
    assert cs.f.equals(h)
    assert cs.h.equals(f)
    # --- new variables ---
    assert cs.n0 == 'first new var'
    assert cs.n1 == 'second new var'
    # --- variables declared in the base class ---
    assert cs.b024.equals(b024)
    assert cs.a.equals(a)
    assert cs.a2.equals(a2)
    assert cs.anonymous.equals(anonymous)
    assert cs.a01.equals(a01)
    assert cs.ano01.equals(ano01)
    assert cs.d == d
    assert cs.e.equals(e)
    assert cs.g.equals(g)