Python Assert.raises Examples

Example #1

File: asserts.py Project: whilp/schluck

def equality():
    Assert(1) == 1
    Assert(1) != 0
    with Assert.raises(AssertionError):
        Assert(1) == 0
    with Assert.raises(AssertionError):
        Assert(1) != 1

Example #2

File: asserts.py Project: whilp/schluck

def identity():
    Assert(True).is_(True)
    Assert(False).is_not(True)
    Assert([]).is_not([])
    with Assert.raises(AssertionError):
        Assert(False).is_(True)
    with Assert.raises(AssertionError):
        Assert(True).is_not(True)
    with Assert.raises(AssertionError):
        Assert([]).is_([])

Example #3

File: asserts.py Project: whilp/schluck

def contains():
    1 in Assert([0, 1, 2])
    Assert(1).in_([0, 1, 2])
    Assert(3).not_in([0, 1, 2])
    with Assert.raises(AssertionError):
        3 in Assert([0, 1, 2])
    with Assert.raises(AssertionError):
        Assert(3).in_([0, 1, 2])
    with Assert.raises(AssertionError):
        Assert(1).not_in([0, 1, 2])

Example #4

File: asserts.py Project: whilp/schluck

def raises():
    try:
        with Assert.raises(RuntimeError):
            pass
    except AssertionError:
        pass
    else:
        raise AssertionError("didn't fail for missing exception")

Example #5

File: asserts.py Project: whilp/schluck

def compare():
    Assert(1) > 0
    Assert(0) < 1
    Assert(1) >= 0
    Assert(1) >= 1
    Assert(0) <= 0
    Assert(0) <= 1
    with Assert.raises(AssertionError):
        Assert(0) > 1
    with Assert.raises(AssertionError):
        Assert(1) < 0
    with Assert.raises(AssertionError):
        Assert(0) >= 1
    with Assert.raises(AssertionError):
        Assert(0) >= 1
    with Assert.raises(AssertionError):
        Assert(1) <= 0
    with Assert.raises(AssertionError):
        Assert(1) <= 0