import re

import pytest
from unit.applications.lang.go import TestApplicationGo


class TestGoApplication(TestApplicationGo):
    prerequisites = {'modules': {'go': 'all'}}

    @pytest.fixture(autouse=True)
    def setup_method_fixture(self, request, skip_alert):
        skip_alert(r'\[unit\] close\(\d+\) failed: Bad file descriptor')

    def test_go_application_variables(self):
        self.load('variables')

        body = 'Test body string.'

        resp = self.post(
            headers={
                'Host': 'localhost',
                'Content-Type': 'text/html',
                'Custom-Header': 'blah',
                'Connection': 'close',
            },
            body=body,
        )

        assert resp['status'] == 200, 'status'
        headers = resp['headers']
        header_server = headers.pop('Server')
        assert re.search(r'Unit/[\d\.]+', header_server), 'server header'

        date = headers.pop('Date')
        assert date[-4:] == ' GMT', 'date header timezone'
        assert (
            abs(self.date_to_sec_epoch(date) - self.sec_epoch()) < 5
        ), 'date header'

        assert headers == {
            'Content-Length': str(len(body)),
            'Content-Type': 'text/html',
            'Request-Method': 'POST',
            'Request-Uri': '/',
            'Http-Host': 'localhost',
            'Server-Protocol': 'HTTP/1.1',
            'Server-Protocol-Major': '1',
            'Server-Protocol-Minor': '1',
            'Custom-Header': 'blah',
            'Connection': 'close',
        }, 'headers'
        assert resp['body'] == body, 'body'

    def test_go_application_get_variables(self):
        self.load('get_variables')

        resp = self.get(url='/?var1=val1&var2=&var3')
        assert resp['headers']['X-Var-1'] == 'val1', 'GET variables'
        assert resp['headers']['X-Var-2'] == '', 'GET variables 2'
        assert resp['headers']['X-Var-3'] == '', 'GET variables 3'

    def test_go_application_post_variables(self):
        self.load('post_variables')

        resp = self.post(
            headers={
                'Host': 'localhost',
                'Content-Type': 'application/x-www-form-urlencoded',
                'Connection': 'close',
            },
            body='var1=val1&var2=&var3',
        )

        assert resp['headers']['X-Var-1'] == 'val1', 'POST variables'
        assert resp['headers']['X-Var-2'] == '', 'POST variables 2'
        assert resp['headers']['X-Var-3'] == '', 'POST variables 3'

    def test_go_application_404(self):
        self.load('404')

        resp = self.get()

        assert resp['status'] == 404, '404 status'
        assert re.search(
            r'<title>404 Not Found</title>', resp['body']
        ), '404 body'

    def test_go_keepalive_body(self):
        self.load('mirror')

        assert self.get()['status'] == 200, 'init'

        body = '0123456789' * 500
        (resp, sock) = self.post(
            headers={
                'Host': 'localhost',
                'Connection': 'keep-alive',
            },
            start=True,
            body=body,
            read_timeout=1,
        )

        assert resp['body'] == body, 'keep-alive 1'

        body = '0123456789'
        resp = self.post(sock=sock, body=body)
        assert resp['body'] == body, 'keep-alive 2'

    def test_go_application_cookies(self):
        self.load('cookies')

        resp = self.get(
            headers={
                'Host': 'localhost',
                'Cookie': 'var1=val1; var2=val2',
                'Connection': 'close',
            }
        )

        assert resp['headers']['X-Cookie-1'] == 'val1', 'cookie 1'
        assert resp['headers']['X-Cookie-2'] == 'val2', 'cookie 2'

    def test_go_application_command_line_arguments_type(self):
        self.load('command_line_arguments')

        assert 'error' in self.conf(
            '' "a b c", 'applications/command_line_arguments/arguments'
        ), 'arguments type'

    def test_go_application_command_line_arguments_0(self):
        self.load('command_line_arguments')

        assert self.get()['headers']['X-Arg-0'] == self.conf_get(
            'applications/command_line_arguments/executable'
        ), 'argument 0'

    def test_go_application_command_line_arguments(self):
        self.load('command_line_arguments')

        arg1 = '--cc=gcc-7.2.0'
        arg2 = '--cc-opt=\'-O0 -DNXT_DEBUG_MEMORY=1 -fsanitize=address\''
        arg3 = '--debug'

        assert 'success' in self.conf(
            '["' + arg1 + '", "' + arg2 + '", "' + arg3 + '"]',
            'applications/command_line_arguments/arguments',
        )

        assert self.get()['body'] == arg1 + ',' + arg2 + ',' + arg3, 'arguments'

    def test_go_application_command_line_arguments_change(self):
        self.load('command_line_arguments')

        args_path = 'applications/command_line_arguments/arguments'

        assert 'success' in self.conf('["0", "a", "$", ""]', args_path)

        assert self.get()['body'] == '0,a,$,', 'arguments'

        assert 'success' in self.conf('["-1", "b", "%"]', args_path)

        assert self.get()['body'] == '-1,b,%', 'arguments change'

        assert 'success' in self.conf('[]', args_path)

        assert self.get()['headers']['Content-Length'] == '0', 'arguments empty'