# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2011 OpenStack, LLC
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

"""Functional test case for OpenStack Swift """

import hashlib
import httplib2
import json
import os
import tempfile
import time
import unittest
import urllib

from pprint import pprint

import tests

SMALL_OBJ = "include/swift_objects/swift_small"
MED_OBJ = "include/swift_objects/swift_medium"
LRG_OBJ = "include/swift_objects/swift_large"


class TestSwift(tests.FunctionalTest):
    def test_000_auth(self):
        if self.swift['auth_ssl'] == "False":
            prot = "http://"
        else:
            prot = "https://"

        path = "%s%s:%s%s%s" % (prot, self.swift['auth_host'],
                                      self.swift['auth_port'],
                                      self.swift['auth_prefix'],
                                      self.swift['ver'])

        # Uncomment for debugging
        # pprint(path)

        http = httplib2.Http(disable_ssl_certificate_validation=True)
        self.swift['auth_user'] = '%s:%s' % (self.swift['account'],
                                             self.swift['username'])
        headers = {'X-Auth-User': '%s' % (self.swift['auth_user']),
                   'X-Auth-Key': '%s' % (self.swift['password'])}
        response, content = http.request(path, 'GET', headers=headers)
        self.assertEqual(200, response.status)
        self.assertIsNotNone(response['x-auth-token'])
        self.assertIsNotNone(response['x-storage-token'])
        self.assertIsNotNone(response['x-storage-url'])

        for k, v in response.items():
            if (k == 'x-auth-token'):
                self.swift['x-auth-token'] = v
            if (k == 'x-storage-token'):
                self.swift['x-storage-token'] = v

        # Since we don't have DNS this is a bit of a hack, but works
        url = response['x-storage-url'].split('/')
        self.swift['storage_url'] = "%s//%s:%s/%s/%s" % (url[0],
                                                      self.swift['auth_host'],
                                                      self.swift['auth_port'],
                                                      url[3],
                                                      url[4])
    test_000_auth.tags = ['swift']

    def test_001_create_container(self):
        path = "%s/%s/" % (self.swift['storage_url'], "test_container")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = { 'X-Storage-Token': '%s' % (self.swift['x-storage-token'])}
        response, content = http.request(path, 'PUT', headers=headers)
        self.assertEqual(201, response.status)
    test_001_create_container.tags = ['swift']

    def test_002_list_containers(self):
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-Token': '%s' % (self.swift['x-auth-token'])}
        response, content = http.request(self.swift['storage_url'], 'GET',
                                         headers=headers)
        self.assertEqual(200, response.status)
        self.assertLessEqual('1', response['x-account-container-count'])
    test_002_list_containers.tags = ['swift']

    def test_010_create_small_object(self):
        md5 = self._md5sum_file(SMALL_OBJ)
        path = "%s/%s/%s" % (self.swift['storage_url'],
                             "test_container",
                             "swift_small")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-User': '%s:%s' % (self.swift['account'],
                                             self.swift['username']),
                   'X-Storage-Token': '%s' % (self.swift['x-storage-token']),
                   'ETag': '%s' % (md5),
                   'Content-Length': '%d' % os.path.getsize(SMALL_OBJ),
                   'Content-Type': 'application/octet-stream'}
        upload = open(SMALL_OBJ, "rb")
        response, content = http.request(path, 'PUT',
                                         headers=headers,
                                         body=upload)
        self.assertEqual(201, response.status)
        self.assertIn('201', content)
    test_010_create_small_object.tags = ['swift']

    def test_011_create_medium_object(self):
        md5 = self._md5sum_file(MED_OBJ)
        path = "%s/%s/%s" % (self.swift['storage_url'],
                             "test_container",
                             "swift_medium")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-User': '%s:%s' % (self.swift['account'],
                                             self.swift['username']),
                   'X-Storage-Token': '%s' % (self.swift['x-storage-token']),
                   'ETag': '%s' % (md5),
                   'Content-Length': '%d' % (os.path.getsize(MED_OBJ)),
                   'Content-Type': 'application/octet-stream',
                   'Content-Encoding': 'gzip'}
        upload = ""
        for chunk in self._read_in_chunks(MED_OBJ):
            upload += chunk
        response, content = http.request(path, 'PUT',
                                         headers=headers,
                                         body=upload)
        self.assertEqual(201, response.status)
    test_011_create_medium_object.tags = ['swift']

    def test_013_get_small_object(self):
        path = "%s/%s/%s" % (self.swift['storage_url'],
                             "test_container",
                             "swift_small")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-User': '%s:%s' % (self.swift['account'],
                                             self.swift['username']),
                   'X-Storage-Token': '%s' % (self.swift['x-storage-token'])}
        response, content = http.request(path, 'GET',
                                         headers=headers)
        self.assertEqual(200, response.status)
        self.assertEqual(self._md5sum_file(SMALL_OBJ), response['etag'])
    test_013_get_small_object.tags = ['swift']

    def test_017_delete_small_object(self):
        path = "%s/%s/%s" % (self.swift['storage_url'], "test_container",
                             "swift_small")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-User': '%s:%s' % (self.swift['account'],
                                             self.swift['username']),
                   'X-Storage-Token': '%s' % (
                                              self.swift['x-storage-token'])}
        response, content = http.request(path, 'DELETE', headers=headers)
        self.assertEqual(204, response.status)
    test_017_delete_small_object.tags = ['swift']

    def test_018_delete_medium_object(self):
        path = "%s/%s/%s" % (self.swift['storage_url'], "test_container",
                             "swift_medium")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-User': '%s:%s' % (self.swift['account'],
                                             self.swift['username']),
                   'X-Storage-Token': '%s' % (
                                              self.swift['x-storage-token'])}
        response, content = http.request(path, 'DELETE', headers=headers)
        self.assertEqual(204, response.status)
    test_018_delete_medium_object.tags = ['swift']

    def test_030_check_container_metadata(self):
        path = "%s/%s" % (self.swift['storage_url'], "test_container")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-User': '%s:%s' % (self.swift['account'],
                                             self.swift['username']),
                   'X-Storage-Token': '%s' % (self.swift['x-storage-token'])}
        response, content = http.request(path, 'HEAD', headers=headers)
        self.assertEqual(204, response.status)
        # pprint(response)
    test_030_check_container_metadata.tags = ['swift']

    def test_050_delete_container(self):
        path = "%s/%s" % (self.swift['storage_url'], "test_container")
        http = httplib2.Http(disable_ssl_certificate_validation=True)
        headers = {'X-Auth-User': '%s:%s' % (self.swift['account'],
                                             self.swift['username']),
                   'X-Storage-Token': '%s' % (self.swift['x-storage-token'])}
        response, content = http.request(path, 'DELETE', headers=headers)
        self.assertEqual(204, response.status)
    test_050_delete_container.tags = ['swift']