sdk/python/tests/test_arv_ls.py

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