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[tor-commits] [stem/master] Separate fallback unit tests



commit cf2b82b06688b4355a848029592ccdbea7fb3ebd
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Sat May 5 14:30:57 2018 -0700

    Separate fallback unit tests
    
    Now that directories have their own module we can separate the fallback unit
    tests into their own module. We should add similar tests for authorities.
---
 test/settings.cfg               |   1 +
 test/unit/__init__.py           |   1 +
 test/unit/descriptor/remote.py  | 176 ------------------------------------
 test/unit/directory/__init__.py |   7 ++
 test/unit/directory/fallback.py | 194 ++++++++++++++++++++++++++++++++++++++++
 5 files changed, 203 insertions(+), 176 deletions(-)

diff --git a/test/settings.cfg b/test/settings.cfg
index 60224463..2206c7e7 100644
--- a/test/settings.cfg
+++ b/test/settings.cfg
@@ -220,6 +220,7 @@ test.unit_tests
 |test.unit.endpoint.TestEndpoint
 |test.unit.version.TestVersion
 |test.unit.manual.TestManual
+|test.unit.directory.fallback.TestFallback
 |test.unit.tutorial.TestTutorial
 |test.unit.tutorial_examples.TestTutorialExamples
 |test.unit.response.add_onion.TestAddOnionResponse
diff --git a/test/unit/__init__.py b/test/unit/__init__.py
index 34fcbb19..1b16bc99 100644
--- a/test/unit/__init__.py
+++ b/test/unit/__init__.py
@@ -10,6 +10,7 @@ __all__ = [
   'connection',
   'control',
   'descriptor',
+  'directory',
   'exit_policy',
   'socket',
   'util',
diff --git a/test/unit/descriptor/remote.py b/test/unit/descriptor/remote.py
index fd831e1e..478a7143 100644
--- a/test/unit/descriptor/remote.py
+++ b/test/unit/descriptor/remote.py
@@ -5,13 +5,11 @@ Unit tests for stem.descriptor.remote.
 import io
 import re
 import socket
-import tempfile
 import time
 import unittest
 
 import stem.descriptor.remote
 import stem.prereq
-import stem.util.conf
 import stem.util.str_tools
 
 from stem.descriptor.remote import Compression
@@ -23,12 +21,6 @@ except ImportError:
   from httplib import HTTPMessage  # python2
 
 try:
-  # added in python 2.7
-  from collections import OrderedDict
-except ImportError:
-  from stem.util.ordereddict import OrderedDict
-
-try:
   # added in python 3.3
   from unittest.mock import patch, Mock, MagicMock
 except ImportError:
@@ -79,46 +71,6 @@ iO3EUE0AEYah2W9gdz8t+i3Dtr0zgqLS841GC/TyDKCm+MKmN8d098qnwK0NGF9q
 -----END SIGNATURE-----
 """
 
-FALLBACK_DIR_CONTENT = b"""\
-/* type=fallback */
-/* version=2.0.0 */
-/* timestamp=20170526090242 */
-/* ===== */
-/* Whitelist & blacklist excluded 1326 of 1513 candidates. */
-/* Checked IPv4 DirPorts served a consensus within 15.0s. */
-/*
-Final Count: 151 (Eligible 187, Target 392 (1963 * 0.20), Max 200)
-Excluded: 36 (Same Operator 27, Failed/Skipped Download 9, Excess 0)
-Bandwidth Range: 1.3 - 40.0 MByte/s
-*/
-/*
-Onionoo Source: details Date: 2017-05-16 07:00:00 Version: 4.0
-URL: https:onionoo.torproject.orgdetails?fields=fingerprint%2Cnickname%2Ccontact%2Clast_changed_address_or_port%2Cconsensus_weight%2Cadvertised_bandwidth%2Cor_addresses%2Cdir_address%2Crecommended_version%2Cflags%2Ceffective_family%2Cplatform&flag=V2Dir&type=relay&last_seen_days=-0&first_seen_days=30-
-*/
-/*
-Onionoo Source: uptime Date: 2017-05-16 07:00:00 Version: 4.0
-URL: https:onionoo.torproject.orguptime?first_seen_days=30-&flag=V2Dir&type=relay&last_seen_days=-0
-*/
-/* ===== */
-"5.9.110.236:9030 orport=9001 id=0756B7CD4DFC8182BE23143FAC0642F515182CEB"
-" ipv6=[2a01:4f8:162:51e2::2]:9001"
-/* nickname=rueckgrat */
-/* extrainfo=1 */
-/* ===== */
-,
-"193.171.202.146:9030 orport=9001 id=01A9258A46E97FF8B2CAC7910577862C14F2C524"
-/* nickname= */
-/* extrainfo=0 */
-/* ===== */
-"""
-
-FALLBACK_ENTRY = b"""\
-"5.9.110.236:9030 orport=9001 id=0756B7CD4DFC8182BE23143FAC0642F515182CEB"
-" ipv6=[2a01:4f8:162:51e2::2]:9001"
-/* nickname=rueckgrat */
-/* extrainfo=1 */
-"""
-
 HEADER = '\r\n'.join([
   'Date: Fri, 13 Apr 2018 16:35:50 GMT',
   'Content-Type: application/octet-stream',
@@ -421,131 +373,3 @@ class TestDescriptorDownloader(unittest.TestCase):
   def test_using_authorities_in_hash(self):
     # ensure our DirectoryAuthority instances can be used in hashes
     {stem.descriptor.remote.get_authorities()['moria1']: 'hello'}
-
-  def test_fallback_directories_from_cache(self):
-    # quick sanity test that we can load cached content
-    fallback_directories = stem.descriptor.remote.FallbackDirectory.from_cache()
-    self.assertTrue(len(fallback_directories) > 10)
-    self.assertEqual('5.39.92.199', fallback_directories['0BEA4A88D069753218EAAAD6D22EA87B9A1319D6'].address)
-
-  @patch(URL_OPEN, _dirport_mock(FALLBACK_DIR_CONTENT))
-  def test_fallback_directories_from_remote(self):
-    fallback_directories = stem.descriptor.remote.FallbackDirectory.from_remote()
-    header = OrderedDict((('type', 'fallback'), ('version', '2.0.0'), ('timestamp', '20170526090242')))
-
-    expected = {
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB': stem.descriptor.remote.FallbackDirectory(
-        address = '5.9.110.236',
-        or_port = 9001,
-        dir_port = 9030,
-        fingerprint = '0756B7CD4DFC8182BE23143FAC0642F515182CEB',
-        nickname = 'rueckgrat',
-        has_extrainfo = True,
-        orport_v6 = ('2a01:4f8:162:51e2::2', 9001),
-        header = header,
-      ),
-      '01A9258A46E97FF8B2CAC7910577862C14F2C524': stem.descriptor.remote.FallbackDirectory(
-        address = '193.171.202.146',
-        or_port = 9001,
-        dir_port = 9030,
-        fingerprint = '01A9258A46E97FF8B2CAC7910577862C14F2C524',
-        nickname = None,
-        has_extrainfo = False,
-        orport_v6 = None,
-        header = header,
-      ),
-    }
-
-    self.assertEqual(expected, fallback_directories)
-
-  def test_fallback_persistence(self):
-    header = OrderedDict((('type', 'fallback'), ('version', '2.0.0'), ('timestamp', '20170526090242')))
-
-    expected = {
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB': stem.descriptor.remote.FallbackDirectory(
-        address = '5.9.110.236',
-        or_port = 9001,
-        dir_port = 9030,
-        fingerprint = '0756B7CD4DFC8182BE23143FAC0642F515182CEB',
-        nickname = 'rueckgrat',
-        has_extrainfo = True,
-        orport_v6 = ('2a01:4f8:162:51e2::2', 9001),
-        header = header,
-      ),
-      '01A9258A46E97FF8B2CAC7910577862C14F2C524': stem.descriptor.remote.FallbackDirectory(
-        address = '193.171.202.146',
-        or_port = 9001,
-        dir_port = 9030,
-        fingerprint = '01A9258A46E97FF8B2CAC7910577862C14F2C524',
-        nickname = None,
-        has_extrainfo = False,
-        orport_v6 = None,
-        header = header,
-      ),
-    }
-
-    excepted_config = {
-      'tor_commit': ['abc'],
-      'stem_commit': ['def'],
-      'header.type': ['fallback'],
-      'header.version': ['2.0.0'],
-      'header.timestamp': ['20170526090242'],
-      '01A9258A46E97FF8B2CAC7910577862C14F2C524.address': ['193.171.202.146'],
-      '01A9258A46E97FF8B2CAC7910577862C14F2C524.or_port': ['9001'],
-      '01A9258A46E97FF8B2CAC7910577862C14F2C524.dir_port': ['9030'],
-      '01A9258A46E97FF8B2CAC7910577862C14F2C524.has_extrainfo': ['false'],
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.address': ['5.9.110.236'],
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.or_port': ['9001'],
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.dir_port': ['9030'],
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.nickname': ['rueckgrat'],
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.has_extrainfo': ['true'],
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.orport6_address': ['2a01:4f8:162:51e2::2'],
-      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.orport6_port': ['9001'],
-    }
-
-    with tempfile.NamedTemporaryFile(prefix = 'fallbacks.') as tmp:
-      stem.descriptor.remote.FallbackDirectory._write(expected, 'abc', 'def', header, tmp.name)
-
-      conf = stem.util.conf.Config()
-      conf.load(tmp.name)
-      self.assertEqual(excepted_config, dict(conf))
-
-      self.assertEqual(expected, stem.descriptor.remote.FallbackDirectory.from_cache(tmp.name))
-
-  @patch(URL_OPEN, _dirport_mock(b''))
-  def test_fallback_directories_from_remote_empty(self):
-    self.assertRaisesRegexp(IOError, 'did not have any content', stem.descriptor.remote.FallbackDirectory.from_remote)
-
-  @patch(URL_OPEN, _dirport_mock(b'\n'.join(FALLBACK_DIR_CONTENT.splitlines()[1:])))
-  def test_fallback_directories_from_remote_no_header(self):
-    self.assertRaisesRegexp(IOError, 'does not have a type field indicating it is fallback directory metadata', stem.descriptor.remote.FallbackDirectory.from_remote)
-
-  @patch(URL_OPEN, _dirport_mock(FALLBACK_DIR_CONTENT.replace(b'version=2.0.0', b'version')))
-  def test_fallback_directories_from_remote_malformed_header(self):
-    self.assertRaisesRegexp(IOError, 'Malformed fallback directory header line: /\* version \*/', stem.descriptor.remote.FallbackDirectory.from_remote)
-
-  def test_fallback_directories_from_str(self):
-    expected = stem.descriptor.remote.FallbackDirectory(
-      address = '5.9.110.236',
-      or_port = 9001,
-      dir_port = 9030,
-      fingerprint = '0756B7CD4DFC8182BE23143FAC0642F515182CEB',
-      nickname = 'rueckgrat',
-      has_extrainfo = True,
-      orport_v6 = ('2a01:4f8:162:51e2::2', 9001),
-    )
-
-    self.assertEqual(expected, stem.descriptor.remote.FallbackDirectory._from_str(FALLBACK_ENTRY))
-
-  def test_fallback_directories_from_str_malformed(self):
-    test_values = {
-      FALLBACK_ENTRY.replace(b'id=0756B7CD4DFC8182BE23143FAC0642F515182CEB', b''): 'Malformed fallback address line:',
-      FALLBACK_ENTRY.replace(b'5.9.110.236', b'5.9.110'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid IPv4 address: 5.9.110',
-      FALLBACK_ENTRY.replace(b':9030', b':7814713228'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid dir_port: 7814713228',
-      FALLBACK_ENTRY.replace(b'orport=9001', b'orport=7814713228'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid or_port: 7814713228',
-      FALLBACK_ENTRY.replace(b'ipv6=[2a01', b'ipv6=[:::'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid IPv6 address: ::::4f8:162:51e2::2',
-      FALLBACK_ENTRY.replace(b'nickname=rueckgrat', b'nickname=invalid~nickname'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid nickname: invalid~nickname',
-    }
-
-    for entry, expected in test_values.items():
-      self.assertRaisesRegexp(ValueError, expected, stem.descriptor.remote.FallbackDirectory._from_str, entry)
diff --git a/test/unit/directory/__init__.py b/test/unit/directory/__init__.py
new file mode 100644
index 00000000..78e42d7c
--- /dev/null
+++ b/test/unit/directory/__init__.py
@@ -0,0 +1,7 @@
+"""
+Unit tests for stem.directory.
+"""
+
+__all__ = [
+  'fallback',
+]
diff --git a/test/unit/directory/fallback.py b/test/unit/directory/fallback.py
new file mode 100644
index 00000000..c95d74b7
--- /dev/null
+++ b/test/unit/directory/fallback.py
@@ -0,0 +1,194 @@
+"""
+Unit tests for stem.directory.Fallback.
+"""
+
+import io
+import tempfile
+import unittest
+
+import stem.directory
+import stem.util.conf
+
+try:
+  # added in python 2.7
+  from collections import OrderedDict
+except ImportError:
+  from stem.util.ordereddict import OrderedDict
+
+try:
+  # added in python 3.3
+  from unittest.mock import patch, Mock
+except ImportError:
+  from mock import patch, Mock
+
+URL_OPEN = 'urllib.request.urlopen' if stem.prereq.is_python_3() else 'urllib2.urlopen'
+
+FALLBACK_DIR_CONTENT = b"""\
+/* type=fallback */
+/* version=2.0.0 */
+/* timestamp=20170526090242 */
+/* ===== */
+/* Whitelist & blacklist excluded 1326 of 1513 candidates. */
+/* Checked IPv4 DirPorts served a consensus within 15.0s. */
+/*
+Final Count: 151 (Eligible 187, Target 392 (1963 * 0.20), Max 200)
+Excluded: 36 (Same Operator 27, Failed/Skipped Download 9, Excess 0)
+Bandwidth Range: 1.3 - 40.0 MByte/s
+*/
+/*
+Onionoo Source: details Date: 2017-05-16 07:00:00 Version: 4.0
+URL: https:onionoo.torproject.orgdetails?fields=fingerprint%2Cnickname%2Ccontact%2Clast_changed_address_or_port%2Cconsensus_weight%2Cadvertised_bandwidth%2Cor_addresses%2Cdir_address%2Crecommended_version%2Cflags%2Ceffective_family%2Cplatform&flag=V2Dir&type=relay&last_seen_days=-0&first_seen_days=30-
+*/
+/*
+Onionoo Source: uptime Date: 2017-05-16 07:00:00 Version: 4.0
+URL: https:onionoo.torproject.orguptime?first_seen_days=30-&flag=V2Dir&type=relay&last_seen_days=-0
+*/
+/* ===== */
+"5.9.110.236:9030 orport=9001 id=0756B7CD4DFC8182BE23143FAC0642F515182CEB"
+" ipv6=[2a01:4f8:162:51e2::2]:9001"
+/* nickname=rueckgrat */
+/* extrainfo=1 */
+/* ===== */
+,
+"193.171.202.146:9030 orport=9001 id=01A9258A46E97FF8B2CAC7910577862C14F2C524"
+/* nickname= */
+/* extrainfo=0 */
+/* ===== */
+"""
+
+FALLBACK_ENTRY = b"""\
+"5.9.110.236:9030 orport=9001 id=0756B7CD4DFC8182BE23143FAC0642F515182CEB"
+" ipv6=[2a01:4f8:162:51e2::2]:9001"
+/* nickname=rueckgrat */
+/* extrainfo=1 */
+"""
+
+
+class TestFallback(unittest.TestCase):
+  def test_from_cache(self):
+    # quick sanity test that we can load cached content
+    fallback_directories = stem.directory.Fallback.from_cache()
+    self.assertTrue(len(fallback_directories) > 10)
+    self.assertEqual('5.39.92.199', fallback_directories['0BEA4A88D069753218EAAAD6D22EA87B9A1319D6'].address)
+
+  @patch(URL_OPEN, Mock(return_value = io.BytesIO(FALLBACK_DIR_CONTENT)))
+  def test_from_remote(self):
+    fallback_directories = stem.directory.Fallback.from_remote()
+    header = OrderedDict((('type', 'fallback'), ('version', '2.0.0'), ('timestamp', '20170526090242')))
+
+    expected = {
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB': stem.directory.Fallback(
+        address = '5.9.110.236',
+        or_port = 9001,
+        dir_port = 9030,
+        fingerprint = '0756B7CD4DFC8182BE23143FAC0642F515182CEB',
+        nickname = 'rueckgrat',
+        has_extrainfo = True,
+        orport_v6 = ('2a01:4f8:162:51e2::2', 9001),
+        header = header,
+      ),
+      '01A9258A46E97FF8B2CAC7910577862C14F2C524': stem.directory.Fallback(
+        address = '193.171.202.146',
+        or_port = 9001,
+        dir_port = 9030,
+        fingerprint = '01A9258A46E97FF8B2CAC7910577862C14F2C524',
+        nickname = None,
+        has_extrainfo = False,
+        orport_v6 = None,
+        header = header,
+      ),
+    }
+
+    self.assertEqual(expected, fallback_directories)
+
+  def test_persistence(self):
+    header = OrderedDict((('type', 'fallback'), ('version', '2.0.0'), ('timestamp', '20170526090242')))
+
+    expected = {
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB': stem.directory.Fallback(
+        address = '5.9.110.236',
+        or_port = 9001,
+        dir_port = 9030,
+        fingerprint = '0756B7CD4DFC8182BE23143FAC0642F515182CEB',
+        nickname = 'rueckgrat',
+        has_extrainfo = True,
+        orport_v6 = ('2a01:4f8:162:51e2::2', 9001),
+        header = header,
+      ),
+      '01A9258A46E97FF8B2CAC7910577862C14F2C524': stem.directory.Fallback(
+        address = '193.171.202.146',
+        or_port = 9001,
+        dir_port = 9030,
+        fingerprint = '01A9258A46E97FF8B2CAC7910577862C14F2C524',
+        nickname = None,
+        has_extrainfo = False,
+        orport_v6 = None,
+        header = header,
+      ),
+    }
+
+    excepted_config = {
+      'tor_commit': ['abc'],
+      'stem_commit': ['def'],
+      'header.type': ['fallback'],
+      'header.version': ['2.0.0'],
+      'header.timestamp': ['20170526090242'],
+      '01A9258A46E97FF8B2CAC7910577862C14F2C524.address': ['193.171.202.146'],
+      '01A9258A46E97FF8B2CAC7910577862C14F2C524.or_port': ['9001'],
+      '01A9258A46E97FF8B2CAC7910577862C14F2C524.dir_port': ['9030'],
+      '01A9258A46E97FF8B2CAC7910577862C14F2C524.has_extrainfo': ['false'],
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.address': ['5.9.110.236'],
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.or_port': ['9001'],
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.dir_port': ['9030'],
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.nickname': ['rueckgrat'],
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.has_extrainfo': ['true'],
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.orport6_address': ['2a01:4f8:162:51e2::2'],
+      '0756B7CD4DFC8182BE23143FAC0642F515182CEB.orport6_port': ['9001'],
+    }
+
+    with tempfile.NamedTemporaryFile(prefix = 'fallbacks.') as tmp:
+      stem.directory.Fallback._write(expected, 'abc', 'def', header, tmp.name)
+
+      conf = stem.util.conf.Config()
+      conf.load(tmp.name)
+      self.assertEqual(excepted_config, dict(conf))
+
+      self.assertEqual(expected, stem.directory.Fallback.from_cache(tmp.name))
+
+  @patch(URL_OPEN, Mock(return_value = io.BytesIO(b'')))
+  def test_from_remote_empty(self):
+    self.assertRaisesRegexp(IOError, 'did not have any content', stem.directory.Fallback.from_remote)
+
+  @patch(URL_OPEN, Mock(return_value = io.BytesIO(b'\n'.join(FALLBACK_DIR_CONTENT.splitlines()[1:]))))
+  def test_from_remote_no_header(self):
+    self.assertRaisesRegexp(IOError, 'does not have a type field indicating it is fallback directory metadata', stem.directory.Fallback.from_remote)
+
+  @patch(URL_OPEN, Mock(return_value = io.BytesIO(FALLBACK_DIR_CONTENT.replace(b'version=2.0.0', b'version'))))
+  def test_from_remote_malformed_header(self):
+    self.assertRaisesRegexp(IOError, 'Malformed fallback directory header line: /\* version \*/', stem.directory.Fallback.from_remote)
+
+  def test_from_str(self):
+    expected = stem.directory.Fallback(
+      address = '5.9.110.236',
+      or_port = 9001,
+      dir_port = 9030,
+      fingerprint = '0756B7CD4DFC8182BE23143FAC0642F515182CEB',
+      nickname = 'rueckgrat',
+      has_extrainfo = True,
+      orport_v6 = ('2a01:4f8:162:51e2::2', 9001),
+    )
+
+    self.assertEqual(expected, stem.directory.Fallback._from_str(FALLBACK_ENTRY))
+
+  def test_from_str_malformed(self):
+    test_values = {
+      FALLBACK_ENTRY.replace(b'id=0756B7CD4DFC8182BE23143FAC0642F515182CEB', b''): 'Malformed fallback address line:',
+      FALLBACK_ENTRY.replace(b'5.9.110.236', b'5.9.110'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid IPv4 address: 5.9.110',
+      FALLBACK_ENTRY.replace(b':9030', b':7814713228'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid dir_port: 7814713228',
+      FALLBACK_ENTRY.replace(b'orport=9001', b'orport=7814713228'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid or_port: 7814713228',
+      FALLBACK_ENTRY.replace(b'ipv6=[2a01', b'ipv6=[:::'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid IPv6 address: ::::4f8:162:51e2::2',
+      FALLBACK_ENTRY.replace(b'nickname=rueckgrat', b'nickname=invalid~nickname'): '0756B7CD4DFC8182BE23143FAC0642F515182CEB has an invalid nickname: invalid~nickname',
+    }
+
+    for entry, expected in test_values.items():
+      self.assertRaisesRegexp(ValueError, expected, stem.directory.Fallback._from_str, entry)



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