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# -*- coding: utf-8 -*-
from __future__ import absolute_import 
from __future__ import division 
from __future__ import print_function 
 
import sys 
 
import pytest 
 
 
def pytest_addoption(parser): 
    group = parser.getgroup("debugconfig") 
    group.addoption( 
        "--setuponly", 
        "--setup-only", 
        action="store_true", 
        help="only setup fixtures, do not execute tests.", 
    ) 
    group.addoption( 
        "--setupshow", 
        "--setup-show", 
        action="store_true", 
        help="show setup of fixtures while executing tests.", 
    ) 
 
 
@pytest.hookimpl(hookwrapper=True) 
def pytest_fixture_setup(fixturedef, request): 
    yield 
    config = request.config 
    if config.option.setupshow: 
        if hasattr(request, "param"): 
            # Save the fixture parameter so ._show_fixture_action() can 
            # display it now and during the teardown (in .finish()). 
            if fixturedef.ids: 
                if callable(fixturedef.ids): 
                    fixturedef.cached_param = fixturedef.ids(request.param) 
                else: 
                    fixturedef.cached_param = fixturedef.ids[request.param_index] 
            else: 
                fixturedef.cached_param = request.param 
        _show_fixture_action(fixturedef, "SETUP") 
 
 
def pytest_fixture_post_finalizer(fixturedef): 
    if hasattr(fixturedef, "cached_result"): 
        config = fixturedef._fixturemanager.config 
        if config.option.setupshow: 
            _show_fixture_action(fixturedef, "TEARDOWN") 
            if hasattr(fixturedef, "cached_param"): 
                del fixturedef.cached_param 
 
 
def _show_fixture_action(fixturedef, msg): 
    config = fixturedef._fixturemanager.config 
    capman = config.pluginmanager.getplugin("capturemanager") 
    if capman: 
        capman.suspend_global_capture() 
        out, err = capman.read_global_capture() 
 
    tw = config.get_terminal_writer() 
    tw.line() 
    tw.write(" " * 2 * fixturedef.scopenum) 
    tw.write( 
        "{step} {scope} {fixture}".format( 
            step=msg.ljust(8),  # align the output to TEARDOWN 
            scope=fixturedef.scope[0].upper(), 
            fixture=fixturedef.argname, 
        ) 
    ) 
 
    if msg == "SETUP": 
        deps = sorted(arg for arg in fixturedef.argnames if arg != "request") 
        if deps: 
            tw.write(" (fixtures used: {})".format(", ".join(deps))) 
 
    if hasattr(fixturedef, "cached_param"): 
        tw.write("[{}]".format(fixturedef.cached_param)) 
 
    if capman: 
        capman.resume_global_capture() 
        sys.stdout.write(out) 
        sys.stderr.write(err) 
 
 
@pytest.hookimpl(tryfirst=True) 
def pytest_cmdline_main(config): 
    if config.option.setuponly: 
        config.option.setupshow = True