Synnefo

#!/usr/bin/env python

#coding=utf8

# Copyright 2011-2013 GRNET S.A. All rights reserved.

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from pithos.api import settings as pithos_settings

from pithos.api.test import PithosAPITest, DATE_FORMATS

from pithos.api.test.util import (md5_hash, get_random_data, get_random_name)

from pithos.api.test.objects import merkle

from synnefo.lib.services import get_service_path

from synnefo.lib import join_urls

from mock import patch

from urllib import quote

from urlparse import urlsplit, parse_qs

import django.utils.simplejson as json

import re

import datetime

import time as _time

import random

class ObjectGetView(PithosAPITest):

    def setUp(self):

        PithosAPITest.setUp(self)

        self.cname = self.create_container()[0]

        self.oname, self.odata = self.upload_object(self.cname)[:-1]

        self.view_path = join_urls(get_service_path(

            pithos_settings.pithos_services, 'pithos_ui'), 'view')

        self.view_url = join_urls(self.view_path, self.user, self.cname,

                                  self.oname)

        self.api_url = join_urls(self.pithos_path, self.user, self.cname,

                                 self.oname)

    def get(self, url, user='user', *args, **kwargs):

        with patch("pithos.api.util.get_token_from_cookie") as m:

            m.return_value = 'token'

            return super(ObjectGetView, self).get(url, user='user', *args,

                                                  **kwargs)

    def test_no_cookie_redirect(self):

        r = super(ObjectGetView, self).get(self.view_url)

        self.assertEqual(r.status_code, 302)

        self.assertTrue('Location' in r)

        parts = list(urlsplit(r['Location']))

        qs = parse_qs(parts[3])

        self.assertTrue('next' in qs)

        self.assertEqual(qs['next'][0], self.view_url)

    def test_versions(self):

        c = self.cname

        o = self.oname

        meta = {'HTTP_X_OBJECT_META_QUALITY': 'AAA'}

        r = self.post(self.api_url, content_type='', **meta)

        self.assertEqual(r.status_code, 202)

        r = self.get('%s?version=list&format=json' % self.view_url)

        self.assertEqual(r.status_code, 200)

        l1 = json.loads(r.content)['versions']

        self.assertEqual(len(l1), 2)

        # update meta

        meta = {'HTTP_X_OBJECT_META_QUALITY': 'AB',

                'HTTP_X_OBJECT_META_STOCK': 'True'}

        r = self.post(self.api_url, content_type='', **meta)

        self.assertEqual(r.status_code, 202)

        # assert a newly created version has been created

        r = self.get('%s?version=list&format=json' % self.view_url)

        self.assertEqual(r.status_code, 200)

        l2 = json.loads(r.content)['versions']

        self.assertEqual(len(l2), len(l1) + 1)

        self.assertEqual(l2[:-1], l1)

        vserial, _ = l2[-2]

        self.assertEqual(self.get_object_meta(c, o, version=vserial),

                         {'X-Object-Meta-Quality': 'AAA'})

        # update data

        self.append_object_data(c, o)

        # assert a newly created version has been created

        r = self.get('%s?version=list&format=json' % self.view_url)

        self.assertEqual(r.status_code, 200)

        l3 = json.loads(r.content)['versions']

        self.assertEqual(len(l3), len(l2) + 1)

        self.assertEqual(l3[:-1], l2)

    def test_objects_with_trailing_spaces(self):

        cname = self.cname

        r = self.get(quote('%s ' % self.view_url))

        self.assertEqual(r.status_code, 404)

        # delete object

        self.delete(self.api_url)

        r = self.get(self.view_url)

        self.assertEqual(r.status_code, 404)

        # upload object with trailing space

        oname = self.upload_object(cname, quote('%s ' % get_random_name()))[0]

        view_url = join_urls(self.view_path, self.user, cname, oname)

        r = self.get(view_url)

        self.assertEqual(r.status_code, 200)

        view_url = join_urls(self.view_path, self.user, cname, oname[:-1])

        r = self.get(view_url)

        self.assertEqual(r.status_code, 404)

    def test_get_partial(self):

        limit = pithos_settings.BACKEND_BLOCK_SIZE + 1

        r = self.get(self.view_url, HTTP_RANGE='bytes=0-%d' % limit)

        self.assertEqual(r.status_code, 206)

        self.assertEqual(r.content, self.odata[:limit + 1])

        self.assertTrue('Content-Range' in r)

        self.assertEqual(r['Content-Range'], 'bytes 0-%d/%d' % (

            limit, len(self.odata)))

        self.assertTrue('Content-Type' in r)

        self.assertTrue(r['Content-Type'], 'application/octet-stream')

    def test_get_range_not_satisfiable(self):

        # TODO

        #r = self.get(self.view_url, HTTP_RANGE='bytes=50-10')

        #self.assertEqual(r.status_code, 416)

        offset = len(self.odata) + 1

        r = self.get(self.view_url, HTTP_RANGE='bytes=0-%s' % offset)

        self.assertEqual(r.status_code, 416)

    def test_multiple_range(self):

        l = ['0-499', '-500', '1000-']

        ranges = 'bytes=%s' % ','.join(l)

        r = self.get(self.view_url, HTTP_RANGE=ranges)

        self.assertEqual(r.status_code, 206)

        self.assertTrue('content-type' in r)

        p = re.compile(

            'multipart/byteranges; boundary=(?P<boundary>[0-9a-f]{32}\Z)',

            re.I)

        m = p.match(r['content-type'])

        if m is None:

            self.fail('Invalid multiple range content type')

        boundary = m.groupdict()['boundary']

        cparts = r.content.split('--%s' % boundary)[1:-1]

        # assert content parts length

        self.assertEqual(len(cparts), len(l))

        # for each content part assert headers

        i = 0

        for cpart in cparts:

            content = cpart.split('\r\n')

            headers = content[1:3]

            content_range = headers[0].split(': ')

            self.assertEqual(content_range[0], 'Content-Range')

            r = l[i].split('-')

            if not r[0] and not r[1]:

                pass

            elif not r[0]:

                start = len(self.odata) - int(r[1])

                end = len(self.odata)

            elif not r[1]:

                start = int(r[0])

                end = len(self.odata)

            else:

                start = int(r[0])

                end = int(r[1]) + 1

            fdata = self.odata[start:end]

            sdata = '\r\n'.join(content[4:-1])

            self.assertEqual(len(fdata), len(sdata))

            self.assertEquals(fdata, sdata)

            i += 1

    def test_multiple_range_not_satisfiable(self):

        # perform get with multiple range

        out_of_range = len(self.odata) + 1

        l = ['0-499', '-500', '%d-' % out_of_range]

        ranges = 'bytes=%s' % ','.join(l)

        r = self.get(self.view_url, HTTP_RANGE=ranges)

        self.assertEqual(r.status_code, 416)

    def test_get_if_match(self):

        if pithos_settings.UPDATE_MD5:

            etag = md5_hash(self.odata)

        else:

            etag = merkle(self.odata)

        r = self.get(self.view_url, HTTP_IF_MATCH=etag)

        # assert get success

        self.assertEqual(r.status_code, 200)

        # assert response content

        self.assertEqual(r.content, self.odata)

    def test_get_if_match_star(self):

        r = self.get(self.view_url, HTTP_IF_MATCH='*')

        # assert get success

        self.assertEqual(r.status_code, 200)

        # assert response content

        self.assertEqual(r.content, self.odata)

    def test_get_multiple_if_match(self):

        if pithos_settings.UPDATE_MD5:

            etag = md5_hash(self.odata)

        else:

            etag = merkle(self.odata)

        quoted = lambda s: '"%s"' % s

        r = self.get(self.view_url, HTTP_IF_MATCH=','.join(

            [quoted(etag), quoted(get_random_data(64))]))

        # assert get success

        self.assertEqual(r.status_code, 200)

        # assert response content

        self.assertEqual(r.content, self.odata)

    def test_if_match_precondition_failed(self):

        r = self.get(self.view_url, HTTP_IF_MATCH=get_random_name())

        self.assertEqual(r.status_code, 412)

    def test_if_none_match(self):

        if pithos_settings.UPDATE_MD5:

            etag = md5_hash(self.odata)

        else:

            etag = merkle(self.odata)

        # perform get with If-None-Match

        r = self.get(self.view_url, HTTP_IF_NONE_MATCH=etag)

        # assert precondition_failed

        self.assertEqual(r.status_code, 304)

        # update object data

        r = self.append_object_data(self.cname, self.oname)[-1]

        self.assertTrue(etag != r['ETag'])

        # perform get with If-None-Match

        r = self.get(self.view_url, HTTP_IF_NONE_MATCH=etag)

        # assert get success

        self.assertEqual(r.status_code, 200)

    def test_if_none_match_star(self):

        # perform get with If-None-Match with star

        r = self.get(self.view_url, HTTP_IF_NONE_MATCH='*')

        self.assertEqual(r.status_code, 304)

    def test_if_modified_since(self):

        # upload object

        object_info = self.get_object_info(self.cname, self.oname)

        last_modified = object_info['Last-Modified']

        t1 = datetime.datetime.strptime(last_modified, DATE_FORMATS[-1])

        t1_formats = map(t1.strftime, DATE_FORMATS)

        # Check not modified since

        for t in t1_formats:

            r = self.get(self.view_url, HTTP_IF_MODIFIED_SINCE=t)

            self.assertEqual(r.status_code, 304)

        _time.sleep(1)

        # update object data

        appended_data = self.append_object_data(self.cname, self.oname)[1]

        # Check modified since

        for t in t1_formats:

            r = self.get(self.view_url, HTTP_IF_MODIFIED_SINCE=t)

            self.assertEqual(r.status_code, 200)

            self.assertEqual(r.content, self.odata + appended_data)

    def test_if_modified_since_invalid_date(self):

        r = self.get(self.view_url, HTTP_IF_MODIFIED_SINCE='Monday')

        self.assertEqual(r.status_code, 200)

        self.assertEqual(r.content, self.odata)

    def test_if_not_modified_since(self):

        object_info = self.get_object_info(self.cname, self.oname)

        last_modified = object_info['Last-Modified']

        t = datetime.datetime.strptime(last_modified, DATE_FORMATS[-1])

        # Check unmodified

        t1 = t + datetime.timedelta(seconds=1)

        t1_formats = map(t1.strftime, DATE_FORMATS)

        for t in t1_formats:

            r = self.get(self.view_url, HTTP_IF_UNMODIFIED_SINCE=t)

            self.assertEqual(r.status_code, 200)

            self.assertEqual(r.content, self.odata)

        # modify object

        _time.sleep(2)

        self.append_object_data(self.cname, self.oname)

        object_info = self.get_object_info(self.cname, self.oname)

        last_modified = object_info['Last-Modified']

        t = datetime.datetime.strptime(last_modified, DATE_FORMATS[-1])

        t2 = t - datetime.timedelta(seconds=1)

        t2_formats = map(t2.strftime, DATE_FORMATS)

        # check modified

        for t in t2_formats:

            r = self.get(self.view_url, HTTP_IF_UNMODIFIED_SINCE=t)

            self.assertEqual(r.status_code, 412)

        # modify account: update object meta

        _time.sleep(1)

        self.update_object_meta(self.cname, self.oname, {'foo': 'bar'})

        object_info = self.get_object_info(self.cname, self.oname)

        last_modified = object_info['Last-Modified']

        t = datetime.datetime.strptime(last_modified, DATE_FORMATS[-1])

        t3 = t - datetime.timedelta(seconds=1)

        t3_formats = map(t3.strftime, DATE_FORMATS)

        # check modified

        for t in t3_formats:

            r = self.get(self.view_url, HTTP_IF_UNMODIFIED_SINCE=t)

            self.assertEqual(r.status_code, 412)

    def test_if_unmodified_since(self):

        object_info = self.get_object_info(self.cname, self.oname)

        last_modified = object_info['Last-Modified']

        t = datetime.datetime.strptime(last_modified, DATE_FORMATS[-1])

        t = t + datetime.timedelta(seconds=1)

        t_formats = map(t.strftime, DATE_FORMATS)

        for tf in t_formats:

            r = self.get(self.view_url, HTTP_IF_UNMODIFIED_SINCE=tf)

            self.assertEqual(r.status_code, 200)

            self.assertEqual(r.content, self.odata)

    def test_if_unmodified_since_precondition_failed(self):

        object_info = self.get_object_info(self.cname, self.oname)

        last_modified = object_info['Last-Modified']

        t = datetime.datetime.strptime(last_modified, DATE_FORMATS[-1])

        t = t - datetime.timedelta(seconds=1)

        t_formats = map(t.strftime, DATE_FORMATS)

        for tf in t_formats:

            r = self.get(self.view_url, HTTP_IF_UNMODIFIED_SINCE=tf)

            self.assertEqual(r.status_code, 412)

    def test_hashes(self):

        l = random.randint(2, 5) * pithos_settings.BACKEND_BLOCK_SIZE

        oname, odata = self.upload_object(self.cname, length=l)[:-1]

        size = len(odata)

        view_url = join_urls(self.view_path, self.user, self.cname, oname)

        r = self.get('%s?format=json&hashmap' % view_url)

        self.assertEqual(r.status_code, 200)

        body = json.loads(r.content)

        hashes = body['hashes']

        block_size = body['block_size']

        block_num = size / block_size if size / block_size == 0 else\

            size / block_size + 1

        self.assertTrue(len(hashes), block_num)

        i = 0

        for h in hashes:

            start = i * block_size

            end = (i + 1) * block_size

            hash = merkle(odata[start:end])

            self.assertEqual(h, hash)

            i += 1