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# -*- coding: utf-8 -*-


import time
import pytest
import random
import logging
import inspect

import nvme as d


def pytest_addoption(parser):
    parser.addoption(
        "--pciaddr", action="store", default="", help="pci (BDF) address of the device under test, e.g.: 02:00.0"
    )


@pytest.fixture(scope="function", autouse=True)
def script(request):
    # skip empty tests
    sourcecode = inspect.getsourcelines(request.function)[0]
    if 'pass' in sourcecode[-1] and len(sourcecode) < 5:
        pytest.skip("empty test function")

    # measure test time, and set random seed by time
    start_time = time.time()
    d.srand(int(start_time*1000000)&0xffffffff)
    yield
    logging.info("test duration: %.3f sec" % (time.time()-start_time))


@pytest.fixture(scope="session")
def pciaddr(request):
    return request.config.getoption("--pciaddr")


@pytest.fixture(scope="function")
def pcie(pciaddr):
    ret = d.Pcie(pciaddr)
    yield ret
    ret.close()

    
@pytest.fixture(scope="function")
def nvme0(pcie):
    ret = d.Controller(pcie)
    yield ret


@pytest.fixture(scope="function")
def subsystem(nvme0):
    ret = d.Subsystem(nvme0)
    yield ret


@pytest.fixture(scope="function")
def nvme0n1(nvme0):
    ret = d.Namespace(nvme0)
    yield ret
    ret.close()


@pytest.fixture(scope="function")
def qpair(nvme0):
    num_of_entry = (nvme0.cap & 0xffff) + 1
    num_of_entry = min(1024, num_of_entry)
    ret = d.Qpair(nvme0, num_of_entry)
    yield ret
    ret.delete()

    
@pytest.fixture(scope="function")
def tcg(nvme0):
    ret = d.Tcg(nvme0)
    yield ret
    ret.close()


@pytest.fixture(scope="session")
def buf():
    ret = d.Buffer(4096, "pynvme buffer")
    yield ret
    del ret


@pytest.fixture(scope="function")
def verify(nvme0n1):
    ret = nvme0n1.verify_enable(True)
    yield ret


@pytest.fixture(scope="function")
def aer():
    assert False, "aer fixture is replaced by admin command nvme0.aer()"


@pytest.hookimpl(tryfirst=True, hookwrapper=True)
def pytest_runtest_makereport(item, call):
    # execute all other hooks to obtain the report object
    outcome = yield
    rep = outcome.get_result()
    # set a report attribute for each phase of a call, which can
    # be "setup", "call", "teardown"
    setattr(item, "rep_" + rep.when, rep)