#!/usr/bin/env py.test-3

import filecmp
import os
import pytest
import re
import tempfile
import sys


@pytest.mark.tt_47255
def test_network_interfaces(ngcpcfgcli, tmpdir):
    tmpdir = tempfile.mkdtemp(prefix='ngcp-', suffix='-pytest-output')
    out = ngcpcfgcli("build", "--ignore-branch-check",
                     "/etc/network/interfaces",
                     env={
                         'NGCP_BASE_TT2': os.getcwd(),
                         'OUTPUT_DIRECTORY': tmpdir,
                         'NGCPCFG': 'fixtures/ngcpcfg_network_interfaces.cfg',
                         'STATE_FILES_DIR': tmpdir+'/var/lib/ngcpcfg/state/',
                     })

    # debug, only printed in logs in case of error
    print("stdout:")
    print(out.stdout.replace("\\n", "\n"))
    print("stderr:")
    print(out.stderr.replace("\\n", "\n"))

    regex1 = re.compile(r"Generating .*/etc/network/interfaces: OK")
    assert re.search(regex1, out.stdout)

    regex2 = re.compile(r"Error")
    assert not re.search(regex2, out.stdout)
    assert not re.search(regex2, out.stderr)

    output_file = os.path.join(tmpdir, "etc/network/interfaces")
    test_file = "fixtures/output/network_interfaces"

    assert os.path.exists(output_file)
    assert os.path.exists(test_file)

    # debug
    if not filecmp.cmp(output_file, test_file):
        print("output_file:")
        print(open(output_file).read())
        print("test_file:")
        print(open(test_file).read())
    assert filecmp.cmp(output_file, test_file)