# Just some helpers for test functions

def myrepr(x):
    if isinstance(x, basestring):
        return '"' + x + '"'
    else:
        return repr(x)

def eq_(a, b):
    if not a == b:
        raise AssertionError("%s != %s" % (myrepr(a), myrepr(b)))

def lt_(a, b):
    if not a < b:
        raise AssertionError("%s is not less than %s" % (myrepr(a), myrepr(b)))

def in_(a, b):
    if a not in b:
        raise AssertionError("%s not in %s" % (myrepr(a), myrepr(b)))

def nin_(a, b):
    if a in b:
        raise AssertionError("unexpected %s in %s" % (myrepr(a), myrepr(b)))

def in2_(a1, a2, b):
    if a1 not in b and a2 not in b:
        raise AssertionError("(%s or %s) not in %s" % (myrepr(a1), myrepr(a2),
                                                       myrepr(b)))

def ne_(a, b):
    if not a != b:
        raise AssertionError("unexpected %s == %s" % (myrepr(a), myrepr(b)))

def lines_(a, n):
    l = a.count('\n')
    if not l == n:
        if len(a) > 5000:
            a = a[0:5000] + " ... truncated"
        raise AssertionError("wanted %d lines, got %d in output: '%s'"
                             % (n, l, a))