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

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from unittest import TestCase

from mock import patch, call

from tempfile import NamedTemporaryFile

from os import urandom

from kamaki.clients import ClientError

from kamaki.clients.storage import StorageClient as SC

from kamaki.clients.connection.kamakicon import KamakiHTTPConnection as C

client_pkg = 'kamaki.clients.Client'

storage_pkg = 'kamaki.clients.storage.StorageClient'

user_id = 'ac0un7-1d-5tr1ng'

obj = 'obj3c7N4m3'

account_info = {

    'content-language': 'en-us',

    'content-type': 'text/html; charset=utf-8',

    'date': 'Wed, 06 Mar 2013 13:25:51 GMT',

    'last-modified': 'Mon, 04 Mar 2013 18:22:31 GMT',

    'server': 'gunicorn/0.14.5',

    'vary': 'Accept-Language',

    'x-account-bytes-used': '751615526',

    'x-account-container-count': 7,

    'x-account-policy-quota': 53687091200,

    'x-account-policy-versioning': 'auto',

    'x-account-meta-k1': 'val1',

    'x-account-meta-k2': 'val2',

    'x-account-meta-k3': 'val3'}

container_info = {

    'content-language': 'en-us',

    'content-type': 'text/html; charset=utf-8',

    'date': 'Wed, 06 Mar 2013 15:11:05 GMT',

    'last-modified': 'Wed, 27 Feb 2013 15:56:13 GMT',

    'server': 'gunicorn/0.14.5',

    'vary': 'Accept-Language',

    'x-container-block-hash': 'sha256',

    'x-container-block-size': 4194304,

    'x-container-bytes-used': 309528938,

    'x-container-object-count': 14,

    'x-container-object-meta': '',

    'x-container-policy-quota': 53687091200,

    'x-container-policy-versioning': 'auto'}

object_info = {

    'content-language': 'en-us',

    'content-length': 254965,

    'content-type': 'application/octet-stream',

    'date': 'Thu, 07 Mar 2013 13:27:43 GMT',

    'etag': '',

    'last-modified': 'Mon, 04 Mar 2013 18:22:31 GMT',

    'server': 'gunicorn/0.14.5',

    'vary': 'Accept-Language',

    'x-object-hash': 'obj3c7h45h1s0bj3c7h45h411r34dY',

    'x-object-uuid': 'd0c747ca-34bd-49e0-8e98-1d07d8b0cbc7',

    'x-object-version': '525996',

    'x-object-version-timestamp': 'Mon, 04 Mar 2013 18:22:31 GMT',

    'x-object-meta-k1': 'v1',

    'x-object-meta-k2': 'v2'}

container_list = [

    dict(

        count=2,

        last_modified="2013-02-27T11:56:09.893033+00:00",

        bytes=677076979,

        name="pithos",

        x_container_policy=dict(quota="21474836480", versioning="auto")),

    dict(

        count=0,

        last_modified="2012-10-23T12:25:17.229187+00:00",

        bytes=0,

        name="trash",

        x_container_policy=dict(quota="21474836480", versioning="auto"))]

object_list = [

    dict(hash="",

        name="The_Secret_Garden.zip",

        x_object_public="/public/wdp9p",

        bytes=203304947,

        x_object_version_timestamp="1360237915.7027509",

        x_object_uuid="s0m3uu1df0r0bj0n3",

        last_modified="2013-02-07T11:51:55.702751+00:00",

        content_type="application/octet-stream",

        x_object_hash="0afdf29f71cd53126225c3f54ca",

        x_object_version=17737,

        x_object_modified_by=user_id),

    dict(hash="",

        name="The_Revealed_Garden.zip",

        x_object_public="/public/wpd7p",

        bytes=20330947,

        x_object_version_timestamp="13602915.7027509",

        x_object_uuid="s0m3uu1df0r0bj70w",

        last_modified="2013-02-07T11:51:55.702751+00:00",

        content_type="application/octet-stream",

        x_object_hash="0afdf29f71cd53126225c3f54ca",

        x_object_version=17737,

        x_object_modified_by=user_id)]

object_hashmap = dict(

    block_hash="sha256", block_size=4194304, bytes=33554432,

    hashes=[

        "4988438cc1c0292c085d289649b28cf547ba3db71c6efaac9f2df7e193d4d0af",

        "b214244aa56df7d1df7c6cac066e7cef268d9c2beb4dcf7ce68af667b0626f91",

        "17f365f25e0682565ded30576066bb13377a3d306967e4d74e06bb6bbc20f75f",

        "2524ae208932669fff89adf8a2fc0df3b67736ca0d3aadce7a2ce640f142af37",

        "5d807a2129d2fcd3c221c3da418ed52af3fc48d0817b62e0bb437acffccd3514",

        "609de22ce842d997f645fc49d5f14e0e3766dd51a6cbe66383b2bab82c8dfcd0",

        "3102851ac168c78be70e35ff5178c7b1ebebd589e5106d565ca1094d1ca8ff59",

        "bfe306dd24e92a8d85caf7055643f250fd319e8c4cdd4755ddabbf3ff97e83c7"])

sharers = [

    dict(last_modified="2013-01-29T16:50:06.084674+00:00", name="0b1a-82d5"),

    dict(last_modified="2013-01-29T16:50:06.084674+00:00", name="0b2a-f2d5"),

    dict(last_modified="2013-01-29T16:50:06.084674+00:00", name="2b1a-82d6")]

class FR(object):

    """FR stands for Fake Response"""

    json = dict()

    headers = dict()

    content = json

    status = None

    status_code = 200

    def release(self):

        pass

class Storage(TestCase):

    files = []

    def _create_temp_file(self, num_of_blocks):

        self.files.append(NamedTemporaryFile())

        tmpFile = self.files[-1]

        file_size = num_of_blocks * 4 * 1024 * 1024

        print('\n\tCreate tmp file')

        tmpFile.write(urandom(file_size))

        tmpFile.flush()

        tmpFile.seek(0)

        print('\t\tDone')

        return tmpFile

    def assert_dicts_are_equal(self, d1, d2):

        for k, v in d1.items():

            self.assertTrue(k in d2)

            if isinstance(v, dict):

                self.assert_dicts_are_equal(v, d2[k])

            else:

                self.assertEqual(unicode(v), unicode(d2[k]))

    def setUp(self):

        self.url = 'https://www.example.com/pithos'

        self.token = 'p17h0570k3n'

        self.client = SC(self.url, self.token)

        self.client.account = user_id

        self.client.container = 'c0nt@1n3r_i'

    def tearDown(self):

        FR.headers = dict()

        FR.status_code = 200

        FR.json = dict()

        FR.content = FR.json

        for f in self.files:

            f.close()

    #  Pithos+ methods that extend storage API

    @patch('%s.head' % client_pkg, return_value=FR())

    def test_get_account_info(self, head):

        FR.headers = account_info

        r = self.client.get_account_info()

        self.assert_dicts_are_equal(account_info, r)

        self.assertEqual(

            head.mock_calls[-1],

            call('/%s' % self.client.account, success=(204, 401)))

        FR.status_code = 401

        self.assertRaises(ClientError, self.client.get_account_info)

    @patch('%s.post' % storage_pkg, return_value=FR())

    @patch('%s.set_header' % storage_pkg)

    def test_replace_account_meta(self, SH, post):

        metas = dict(k1='v1', k2='v2', k3='v3')

        self.client.replace_account_meta(metas)

        prfx = 'X-Account-Meta-'

        expected = [call('%s%s' % (prfx, k), v) for k, v in metas.items()]

        self.assertEqual(SH.mock_calls, expected)

        self.assertEqual(

            post.mock_calls[-1],

            call('/%s' % self.client.account, success=202))

    @patch('%s.post' % storage_pkg, return_value=FR())

    @patch('%s.get_account_info' % storage_pkg, return_value=account_info)

    def test_del_account_meta(self, GAI, post):

        prfx = 'x-account-meta-'

        keys = [k[len(prfx):] for k in account_info if k.startswith(prfx)]

        for key in keys:

            self.client.del_account_meta(key)

            self.assertEqual(

                post.mock_calls[-1],

                call('/%s' % self.client.account, success=202))

        self.assertEqual(len(keys), len(post.mock_calls))

        self.assertRaises(ClientError, self.client.del_account_meta, 'k4')

    @patch('%s.put' % storage_pkg, return_value=FR())

    def test_create_container(self, put):

        cont = 's0m3c0n731n3r'

        self.client.create_container(cont)

        expected = call('/%s/%s' % (user_id, cont), success=(201, 202))

        self.assertEqual(put.mock_calls[-1], expected)

        FR.status_code = 202

        self.assertRaises(ClientError, self.client.create_container, cont)

    @patch('%s.head' % storage_pkg, return_value=FR())

    def test_get_container_info(self, head):

        FR.headers = container_info

        cont = self.client.container

        r = self.client.get_container_info(cont)

        self.assert_dicts_are_equal(r, container_info)

        path = '/%s/%s' % (self.client.account, cont)

        self.assertEqual(head.mock_calls[-1], call(path, success=(204, 404)))

        FR.status_code = 404

        self.assertRaises(ClientError, self.client.get_container_info, cont)

    @patch('%s.delete' % storage_pkg, return_value=FR())

    def test_delete_container(self, delete):

        FR.status_code = 204

        cont = 's0m3c0n731n3r'

        self.client.delete_container(cont)

        for err_code in (404, 409):

            FR.status_code = err_code

            self.assertRaises(ClientError, self.client.delete_container, cont)

        acall = call('/%s/%s' % (user_id, cont), success=(204, 404, 409))

        self.assertEqual(delete.mock_calls, [acall] * 3)

    @patch('%s.get' % storage_pkg, return_value=FR())

    @patch('%s.set_param' % storage_pkg)

    def test_list_containers(self, SP, get):

        FR.json = container_list

        r = self.client.list_containers()

        for i in range(len(r)):

            self.assert_dicts_are_equal(r[i], container_list[i])

        self.assertEqual(SP.mock_calls[-1], call('format', 'json'))

        self.assertEqual(

            get.mock_calls[-1],

            call('/%s' % self.client.account, success=(200., 204)))

    @patch('%s.put' % storage_pkg, return_value=FR())

    def test_upload_object(self, put):

        (acc, cont) = (self.client.account, self.client.container)

        num_of_blocks = 4

        tmpFile = self._create_temp_file(num_of_blocks)

        tmpFile.seek(0, 2)

        sizes = [None, (tmpFile.tell() / num_of_blocks) / 2]

        for size in sizes:

            tmpFile.seek(0)

            self.client.upload_object(obj, tmpFile, size)

            tmpFile.seek(0)

            self.assertEqual(put.mock_calls[-1], call(

                '/%s/%s/%s' % (acc, cont, obj),

                data=tmpFile.read(size) if size else tmpFile.read(),

                success=201))

    @patch('%s.put' % storage_pkg, return_value=FR())

    @patch('%s.set_header' % storage_pkg)

    def test_create_object(self, SH, put):

        cont = self.client.container

        ctype = 'c0n73n7/typ3'

        exp_shd = [

            call('Content-Type', 'application/octet-stream'),

            call('Content-length', '0'),

            call('Content-Type', ctype), call('Content-length', '42')]

        exp_put = [call('/%s/%s/%s' % (user_id, cont, obj), success=201)] * 2

        self.client.create_object(obj)

        self.client.create_object(obj, content_type=ctype, content_length=42)

        self.assertEqual(SH.mock_calls, exp_shd)

        self.assertEqual(put.mock_calls, exp_put)

    """

    @patch('%s.put' % pithos_pkg, return_value=FR())

    @patch('%s.set_header' % client_pkg)

    def test_create_directory(self, SH, put):

        cont = self.client.container

        exp_shd = [

            call('Content-Type', 'application/directory'),

            call('Content-length', '0')]

        exp_put = [call('/%s/%s/%s' % (user_id, cont, obj), success=201)]

        self.client.create_directory(obj)

        self.assertEqual(PC.set_header.mock_calls, exp_shd)

        self.assertEqual(put.mock_calls, exp_put)

    def test_get_object_info(self):

        FR.headers = object_info

        version = 'v3r510n'

        with patch.object(PC, 'object_head', return_value=FR()) as head:

            r = self.client.get_object_info(obj)

            self.assertEqual(r, object_info)

            r = self.client.get_object_info(obj, version=version)

            self.assertEqual(head.mock_calls, [

                call(obj, version=None),

                call(obj, version=version)])

        with patch.object(

                PC,

                'object_head',

                side_effect=ClientError('Obj not found', 404)):

            self.assertRaises(

                ClientError,

                self.client.get_object_info,

                obj, version=version)

    @patch('%s.get_object_info' % pithos_pkg, return_value=object_info)

    def test_get_object_meta(self, GOI):

        expected = dict()

        for k, v in object_info.items():

            expected[k] = v

        r = self.client.get_object_meta(obj)

        self.assert_dicts_are_equal(r, expected)

    @patch('%s.object_post' % pithos_pkg, return_value=FR())

    def test_del_object_meta(self, post):

        metakey = '50m3m3t4k3y'

        self.client.del_object_meta(obj, metakey)

        expected = call(obj, update=True, metadata={metakey: ''})

        self.assertEqual(post.mock_calls[-1], expected)

    @patch('%s.post' % client_pkg, return_value=FR())

    @patch('%s.set_header' % client_pkg)

    def test_replace_object_meta(self, SH, post):

        metas = dict(k1='new1', k2='new2', k3='new3')

        cont = self.client.container

        self.client.replace_object_meta(metas)

        expected = call('/%s/%s' % (user_id, cont), success=202)

        self.assertEqual(post.mock_calls[-1], expected)

        prfx = 'X-Object-Meta-'

        expected = [call('%s%s' % (prfx, k), v) for k, v in metas.items()]

        self.assertEqual(PC.set_header.mock_calls, expected)

    @patch('%s.object_put' % pithos_pkg, return_value=FR())

    def test_copy_object(self, put):

        src_cont = 'src-c0nt41n3r'

        src_obj = 'src-0bj'

        dst_cont = 'dst-c0nt41n3r'

        dst_obj = 'dst-0bj'

        expected = call(

            src_obj,

            content_length=0,

            source_account=None,

            success=201,

            copy_from='/%s/%s' % (src_cont, src_obj),

            delimiter=None,

            content_type=None,

            source_version=None,

            public=False)

        self.client.copy_object(src_cont, src_obj, dst_cont)

        self.assertEqual(put.mock_calls[-1], expected)

        self.client.copy_object(src_cont, src_obj, dst_cont, dst_obj)

        self.assertEqual(put.mock_calls[-1][1], (dst_obj,))

        kwargs = dict(

            source_version='src-v3r510n',

            source_account='src-4cc0un7',

            public=True,

            content_type='c0n73n7Typ3',

            delimiter='5')

        self.client.copy_object(src_cont, src_obj, dst_cont, **kwargs)

        for k, v in kwargs.items():

            self.assertEqual(v, put.mock_calls[-1][2][k])

    @patch('%s.object_put' % pithos_pkg, return_value=FR())

    def test_move_object(self, put):

        src_cont = 'src-c0nt41n3r'

        src_obj = 'src-0bj'

        dst_cont = 'dst-c0nt41n3r'

        dst_obj = 'dst-0bj'

        expected = call(

            src_obj,

            content_length=0,

            source_account=None,

            success=201,

            move_from='/%s/%s' % (src_cont, src_obj),

            delimiter=None,

            content_type=None,

            source_version=None,

            public=False)

        self.client.move_object(src_cont, src_obj, dst_cont)

        self.assertEqual(put.mock_calls[-1], expected)

        self.client.move_object(src_cont, src_obj, dst_cont, dst_obj)

        self.assertEqual(put.mock_calls[-1][1], (dst_obj,))

        kwargs = dict(

            source_version='src-v3r510n',

            source_account='src-4cc0un7',

            public=True,

            content_type='c0n73n7Typ3',

            delimiter='5')

        self.client.move_object(src_cont, src_obj, dst_cont, **kwargs)

        for k, v in kwargs.items():

            self.assertEqual(v, put.mock_calls[-1][2][k])

    @patch('%s.delete' % client_pkg, return_value=FR())

    def test_delete_object(self, delete):

        cont = self.client.container

        self.client.delete_object(obj)

        self.assertEqual(

            delete.mock_calls[-1],

            call('/%s/%s/%s' % (user_id, cont, obj), success=(204, 404)))

        FR.status_code = 404

        self.assertRaises(ClientError, self.client.delete_object, obj)

    @patch('%s.get' % client_pkg, return_value=FR())

    @patch('%s.set_param' % client_pkg)

    def test_list_objects(self, SP, get):

        FR.json = object_list

        acc = self.client.account

        cont = self.client.container

        SP = PC.set_param

        r = self.client.list_objects()

        for i in range(len(r)):

            self.assert_dicts_are_equal(r[i], object_list[i])

        self.assertEqual(get.mock_calls, [

            call('/%s/%s' % (acc, cont), success=(200, 204, 304, 404))])

        self.assertEqual(SP.mock_calls, [call('format', 'json')])

        FR.status_code = 304

        self.assertEqual(self.client.list_objects(), [])

        FR.status_code = 404

        self.assertRaises(ClientError, self.client.list_objects)

    @patch('%s.get' % client_pkg, return_value=FR())

    @patch('%s.set_param' % client_pkg)

    def test_list_objects_in_path(self, SP, get):

        FR.json = object_list

        path = '/some/awsome/path'

        acc = self.client.account

        cont = self.client.container

        SP = PC.set_param

        self.client.list_objects_in_path(path)

        self.assertEqual(get.mock_calls, [

            call('/%s/%s' % (acc, cont), success=(200, 204, 404))])

        self.assertEqual(SP.mock_calls, [

            call('format', 'json'), call('path', path)])

        FR.status_code = 404

        self.assertRaises(ClientError, self.client.list_objects)

    """

if __name__ == '__main__':

    from sys import argv

    from kamaki.clients.test import runTestCase

    runTestCase(Storage, 'Storage Client', argv[1:])