import TAP
import re

builder = TAP.Builder()


def plan(plan, plan_param=None):
    builder.set_plan(plan, plan_param)


ok = builder.ok


def diag(comment):
    print("# %s" % re.compile("\n(.)").sub(comment, '\n#\1'))


def eq_ok(have, want, comment):
    okness = have == want
    ok(okness, comment)
    if not okness:
        diag("want: %s" % want)
        diag("have: %s" % have)
    return okness


def is_ok(have, want, comment):
    okness = have is want
    ok(okness, comment)
    if not okness:
        diag("want id: %s" % id(want))
        diag("have id: %s" % id(have))
    return okness


def isa_ok(object, cls, object_name="the object"):
    okness = isinstance(object, cls)
    ok(okness, object_name + " is a " + repr(cls))
    # if not okness:
    #   diag("want id: %s" % id(want))
    #   diag("have id: %s" % id(have))
    return okness