sdk/python/tests/test_arv_ls.py

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