# coding=utf-8
# flake8: noqa E302
"""
Unit/functional testing for run_pytest in cmd2
"""
import os
from cmd2 import plugin

from .conftest import run_cmd

HOOK_OUTPUT = "TEST_OUTPUT"

def cmdfinalization_hook(data: plugin.CommandFinalizationData) -> plugin.CommandFinalizationData:
    """A cmdfinalization_hook hook which requests application exit"""
    print(HOOK_OUTPUT)
    return data

def test_run_pyscript(base_app, request):
    test_dir = os.path.dirname(request.module.__file__)
    python_script = os.path.join(test_dir, 'script.py')
    expected = 'This is a python script running ...'

    out, err = run_cmd(base_app, "run_pyscript {}".format(python_script))
    assert expected in out

def test_run_pyscript_recursive_not_allowed(base_app, request):
    test_dir = os.path.dirname(request.module.__file__)
    python_script = os.path.join(test_dir, 'scripts', 'recursive.py')
    expected = 'Recursively entering interactive Python consoles is not allowed.'

    out, err = run_cmd(base_app, "run_pyscript {}".format(python_script))
    assert err[0] == expected

def test_run_pyscript_with_nonexist_file(base_app):
    python_script = 'does_not_exist.py'
    out, err = run_cmd(base_app, "run_pyscript {}".format(python_script))
    assert "Error opening script file" in err[0]

def test_run_pyscript_with_exception(base_app, request):
    test_dir = os.path.dirname(request.module.__file__)
    python_script = os.path.join(test_dir, 'scripts', 'raises_exception.py')
    out, err = run_cmd(base_app, "run_pyscript {}".format(python_script))
    assert err[0].startswith('Traceback')
    assert "TypeError: unsupported operand type(s) for +: 'int' and 'str'" in err[-1]

def test_run_pyscript_requires_an_argument(base_app):
    out, err = run_cmd(base_app, "run_pyscript")
    assert "the following arguments are required: script_path" in err[1]

def test_run_pyscript_help(base_app, request):
    test_dir = os.path.dirname(request.module.__file__)
    python_script = os.path.join(test_dir, 'pyscript', 'help.py')
    out1, err1 = run_cmd(base_app, 'help')
    out2, err2 = run_cmd(base_app, 'run_pyscript {}'.format(python_script))
    assert out1 and out1 == out2

def test_run_pyscript_dir(base_app, request):
    test_dir = os.path.dirname(request.module.__file__)
    python_script = os.path.join(test_dir, 'pyscript', 'pyscript_dir.py')

    out, err = run_cmd(base_app, 'run_pyscript {}'.format(python_script))
    assert out
    assert out[0] == "['cmd_echo']"

def test_run_pyscript_stdout_capture(base_app, request):
    base_app.register_cmdfinalization_hook(cmdfinalization_hook)
    test_dir = os.path.dirname(request.module.__file__)
    python_script = os.path.join(test_dir, 'pyscript', 'stdout_capture.py')
    out, err = run_cmd(base_app, 'run_pyscript {} {}'.format(python_script, HOOK_OUTPUT))

    assert out[0] == "PASSED"
    assert out[1] == "PASSED"

def test_run_pyscript_stop(base_app, request):
    # Verify onecmd_plus_hooks() returns True if any commands in a pyscript return True for stop
    test_dir = os.path.dirname(request.module.__file__)

    # help.py doesn't run any commands that returns True for stop
    python_script = os.path.join(test_dir, 'pyscript', 'help.py')
    stop = base_app.onecmd_plus_hooks('run_pyscript {}'.format(python_script))
    assert not stop

    # stop.py runs the quit command which does return True for stop
    python_script = os.path.join(test_dir, 'pyscript', 'stop.py')
    stop = base_app.onecmd_plus_hooks('run_pyscript {}'.format(python_script))
    assert stop

def test_pyscript_deprecated(base_app):
    """Delete this when pyscript alias is removed"""
    _, err = run_cmd(base_app, "pyscript fake")
    assert "pyscript has been renamed and will be removed" in err[-1]