sdk/python/tests/test_arv_ls.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from __future__ import absolute_import
   5 from builtins import str
   6 from builtins import range
   7 import os
   8 import random
   9 import sys
  10 import mock
  11 import tempfile
  12
  13 import arvados.errors as arv_error
  14 import arvados.commands.ls as arv_ls
  15 from . import run_test_server
  16
  17 from . import arvados_testutil as tutil
  18 from .arvados_testutil import str_keep_locator, redirected_streams, StringIO
  19
  20 class ArvLsTestCase(run_test_server.TestCaseWithServers, tutil.VersionChecker):
  21     FAKE_UUID = 'zzzzz-4zz18-12345abcde12345'
  22
  23     def newline_join(self, seq):
  24         return '\n'.join(seq) + '\n'
  25
  26     def random_blocks(self, *sizes):
  27         return ' '.join('{:032x}+{:d}'.format(
  28                   random.randint(0, (16 ** 32) - 1), size
  29                 ) for size in sizes)
  30
  31     def mock_api_for_manifest(self, manifest_lines, uuid=FAKE_UUID):
  32         manifest_text = self.newline_join(manifest_lines)
  33         pdh = str_keep_locator(manifest_text)
  34         coll_info = {'uuid': uuid,
  35                      'portable_data_hash': pdh,
  36                      'manifest_text': manifest_text}
  37         api_client = mock.MagicMock(name='mock_api_client')
  38         api_client.collections().get().execute.return_value = coll_info
  39         return coll_info, api_client
  40
  41     def run_ls(self, args, api_client):
  42         self.stdout = StringIO()
  43         self.stderr = StringIO()
  44         return arv_ls.main(args, self.stdout, self.stderr, api_client)
  45
  46     def test_plain_listing(self):
  47         collection, api_client = self.mock_api_for_manifest(
  48             ['. {} 0:3:one.txt 3:4:two.txt'.format(self.random_blocks(5, 2)),
  49              './dir {} 1:5:sub.txt'.format(self.random_blocks(8))])
  50         self.assertEqual(0, self.run_ls([collection['uuid']], api_client))
  51         self.assertEqual(
  52             self.newline_join(['./one.txt', './two.txt', './dir/sub.txt']),
  53             self.stdout.getvalue())
  54         self.assertEqual('', self.stderr.getvalue())
  55
  56     def test_size_listing(self):
  57         collection, api_client = self.mock_api_for_manifest(
  58             ['. {} 0:0:0.txt 0:1000:1.txt 1000:2000:2.txt'.format(
  59                     self.random_blocks(3000))])
  60         self.assertEqual(0, self.run_ls(['-s', collection['uuid']], api_client))
  61         self.stdout.seek(0, 0)
  62         for expected in range(3):
  63             actual_size, actual_name = self.stdout.readline().split()
  64             # But she seems much bigger to me...
  65             self.assertEqual(str(expected), actual_size)
  66             self.assertEqual('./{}.txt'.format(expected), actual_name)
  67         self.assertEqual('', self.stdout.read(-1))
  68         self.assertEqual('', self.stderr.getvalue())
  69
  70     def test_nonnormalized_manifest(self):
  71         collection, api_client = self.mock_api_for_manifest(
  72             ['. {} 0:1010:non.txt'.format(self.random_blocks(1010)),
  73              '. {} 0:2020:non.txt'.format(self.random_blocks(2020))])
  74         self.assertEqual(0, self.run_ls(['-s', collection['uuid']], api_client))
  75         self.stdout.seek(0, 0)
  76         self.assertEqual(['3', './non.txt'], self.stdout.readline().split())
  77         self.assertEqual('', self.stdout.read(-1))
  78         self.assertEqual('', self.stderr.getvalue())
  79
  80     def test_locator_failure(self):
  81         api_client = mock.MagicMock(name='mock_api_client')
  82         api_client.collections().get().execute.side_effect = (
  83             arv_error.NotFoundError)
  84         self.assertNotEqual(0, self.run_ls([self.FAKE_UUID], api_client))
  85         self.assertNotEqual('', self.stderr.getvalue())
  86
  87     def test_version_argument(self):
  88         with redirected_streams(stdout=StringIO, stderr=StringIO) as (out, err):
  89             with self.assertRaises(SystemExit):
  90                 self.run_ls(['--version'], None)
  91         self.assertVersionOutput(out, err)