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-rw-r--r--Lib/packaging/tests/test_depgraph.py310
1 files changed, 0 insertions, 310 deletions
diff --git a/Lib/packaging/tests/test_depgraph.py b/Lib/packaging/tests/test_depgraph.py
deleted file mode 100644
index 8833302..0000000
--- a/Lib/packaging/tests/test_depgraph.py
+++ /dev/null
@@ -1,310 +0,0 @@
-"""Tests for packaging.depgraph """
-import os
-import re
-import sys
-from io import StringIO
-
-from packaging import depgraph
-from packaging.database import get_distribution, enable_cache, disable_cache
-
-from packaging.tests import unittest, support
-from packaging.tests.support import requires_zlib
-
-
-class DepGraphTestCase(support.LoggingCatcher,
- unittest.TestCase):
-
- DISTROS_DIST = ('choxie', 'grammar', 'towel-stuff')
- DISTROS_EGG = ('bacon', 'banana', 'strawberry', 'cheese')
- BAD_EGGS = ('nut',)
-
- EDGE = re.compile(
- r'"(?P<from>.*)" -> "(?P<to>.*)" \[label="(?P<label>.*)"\]')
-
- def checkLists(self, l1, l2):
- """ Compare two lists without taking the order into consideration """
- self.assertListEqual(sorted(l1), sorted(l2))
-
- def setUp(self):
- super(DepGraphTestCase, self).setUp()
- path = os.path.join(os.path.dirname(__file__), 'fake_dists')
- path = os.path.abspath(path)
- sys.path.insert(0, path)
- self.addCleanup(sys.path.remove, path)
- self.addCleanup(enable_cache)
- disable_cache()
-
- def test_generate_graph(self):
- dists = []
- for name in self.DISTROS_DIST:
- dist = get_distribution(name)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- choxie, grammar, towel = dists
-
- graph = depgraph.generate_graph(dists)
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[choxie]]
- self.checkLists([('towel-stuff', 'towel-stuff (0.1)')], deps)
- self.assertIn(choxie, graph.reverse_list[towel])
- self.checkLists(graph.missing[choxie], ['nut'])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[grammar]]
- self.checkLists([], deps)
- self.checkLists(graph.missing[grammar], ['truffles (>=1.2)'])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[towel]]
- self.checkLists([], deps)
- self.checkLists(graph.missing[towel], ['bacon (<=0.2)'])
-
- @requires_zlib
- def test_generate_graph_egg(self):
- dists = []
- for name in self.DISTROS_DIST + self.DISTROS_EGG:
- dist = get_distribution(name, use_egg_info=True)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- choxie, grammar, towel, bacon, banana, strawberry, cheese = dists
-
- graph = depgraph.generate_graph(dists)
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[choxie]]
- self.checkLists([('towel-stuff', 'towel-stuff (0.1)')], deps)
- self.assertIn(choxie, graph.reverse_list[towel])
- self.checkLists(graph.missing[choxie], ['nut'])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[grammar]]
- self.checkLists([('bacon', 'truffles (>=1.2)')], deps)
- self.checkLists(graph.missing[grammar], [])
- self.assertIn(grammar, graph.reverse_list[bacon])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[towel]]
- self.checkLists([('bacon', 'bacon (<=0.2)')], deps)
- self.checkLists(graph.missing[towel], [])
- self.assertIn(towel, graph.reverse_list[bacon])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[bacon]]
- self.checkLists([], deps)
- self.checkLists(graph.missing[bacon], [])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[banana]]
- self.checkLists([('strawberry', 'strawberry (>=0.5)')], deps)
- self.checkLists(graph.missing[banana], [])
- self.assertIn(banana, graph.reverse_list[strawberry])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[strawberry]]
- self.checkLists([], deps)
- self.checkLists(graph.missing[strawberry], [])
-
- deps = [(x.name, y) for x, y in graph.adjacency_list[cheese]]
- self.checkLists([], deps)
- self.checkLists(graph.missing[cheese], [])
-
- def test_dependent_dists(self):
- dists = []
- for name in self.DISTROS_DIST:
- dist = get_distribution(name)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- choxie, grammar, towel = dists
-
- deps = [d.name for d in depgraph.dependent_dists(dists, choxie)]
- self.checkLists([], deps)
-
- deps = [d.name for d in depgraph.dependent_dists(dists, grammar)]
- self.checkLists([], deps)
-
- deps = [d.name for d in depgraph.dependent_dists(dists, towel)]
- self.checkLists(['choxie'], deps)
-
- @requires_zlib
- def test_dependent_dists_egg(self):
- dists = []
- for name in self.DISTROS_DIST + self.DISTROS_EGG:
- dist = get_distribution(name, use_egg_info=True)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- choxie, grammar, towel, bacon, banana, strawberry, cheese = dists
-
- deps = [d.name for d in depgraph.dependent_dists(dists, choxie)]
- self.checkLists([], deps)
-
- deps = [d.name for d in depgraph.dependent_dists(dists, grammar)]
- self.checkLists([], deps)
-
- deps = [d.name for d in depgraph.dependent_dists(dists, towel)]
- self.checkLists(['choxie'], deps)
-
- deps = [d.name for d in depgraph.dependent_dists(dists, bacon)]
- self.checkLists(['choxie', 'towel-stuff', 'grammar'], deps)
-
- deps = [d.name for d in depgraph.dependent_dists(dists, strawberry)]
- self.checkLists(['banana'], deps)
-
- deps = [d.name for d in depgraph.dependent_dists(dists, cheese)]
- self.checkLists([], deps)
-
- @requires_zlib
- def test_graph_to_dot(self):
- expected = (
- ('towel-stuff', 'bacon', 'bacon (<=0.2)'),
- ('grammar', 'bacon', 'truffles (>=1.2)'),
- ('choxie', 'towel-stuff', 'towel-stuff (0.1)'),
- ('banana', 'strawberry', 'strawberry (>=0.5)'),
- )
-
- dists = []
- for name in self.DISTROS_DIST + self.DISTROS_EGG:
- dist = get_distribution(name, use_egg_info=True)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- graph = depgraph.generate_graph(dists)
- buf = StringIO()
- depgraph.graph_to_dot(graph, buf)
- buf.seek(0)
- matches = []
- lines = buf.readlines()
- for line in lines[1:-1]: # skip the first and the last lines
- if line[-1] == '\n':
- line = line[:-1]
- match = self.EDGE.match(line.strip())
- self.assertIsNot(match, None)
- matches.append(match.groups())
-
- self.checkLists(matches, expected)
-
- @requires_zlib
- def test_graph_disconnected_to_dot(self):
- dependencies_expected = (
- ('towel-stuff', 'bacon', 'bacon (<=0.2)'),
- ('grammar', 'bacon', 'truffles (>=1.2)'),
- ('choxie', 'towel-stuff', 'towel-stuff (0.1)'),
- ('banana', 'strawberry', 'strawberry (>=0.5)'),
- )
- disconnected_expected = ('cheese', 'bacon', 'strawberry')
-
- dists = []
- for name in self.DISTROS_DIST + self.DISTROS_EGG:
- dist = get_distribution(name, use_egg_info=True)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- graph = depgraph.generate_graph(dists)
- buf = StringIO()
- depgraph.graph_to_dot(graph, buf, skip_disconnected=False)
- buf.seek(0)
- lines = buf.readlines()
-
- dependencies_lines = []
- disconnected_lines = []
-
- # First sort output lines into dependencies and disconnected lines.
- # We also skip the attribute lines, and don't include the "{" and "}"
- # lines.
- disconnected_active = False
- for line in lines[1:-1]: # Skip first and last line
- if line.startswith('subgraph disconnected'):
- disconnected_active = True
- continue
- if line.startswith('}') and disconnected_active:
- disconnected_active = False
- continue
-
- if disconnected_active:
- # Skip the 'label = "Disconnected"', etc. attribute lines.
- if ' = ' not in line:
- disconnected_lines.append(line)
- else:
- dependencies_lines.append(line)
-
- dependencies_matches = []
- for line in dependencies_lines:
- if line[-1] == '\n':
- line = line[:-1]
- match = self.EDGE.match(line.strip())
- self.assertIsNot(match, None)
- dependencies_matches.append(match.groups())
-
- disconnected_matches = []
- for line in disconnected_lines:
- if line[-1] == '\n':
- line = line[:-1]
- line = line.strip('"')
- disconnected_matches.append(line)
-
- self.checkLists(dependencies_matches, dependencies_expected)
- self.checkLists(disconnected_matches, disconnected_expected)
-
- @requires_zlib
- def test_graph_bad_version_to_dot(self):
- expected = (
- ('towel-stuff', 'bacon', 'bacon (<=0.2)'),
- ('grammar', 'bacon', 'truffles (>=1.2)'),
- ('choxie', 'towel-stuff', 'towel-stuff (0.1)'),
- ('banana', 'strawberry', 'strawberry (>=0.5)'),
- )
-
- dists = []
- for name in self.DISTROS_DIST + self.DISTROS_EGG + self.BAD_EGGS:
- dist = get_distribution(name, use_egg_info=True)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- graph = depgraph.generate_graph(dists)
- buf = StringIO()
- depgraph.graph_to_dot(graph, buf)
- buf.seek(0)
- matches = []
- lines = buf.readlines()
- for line in lines[1:-1]: # skip the first and the last lines
- if line[-1] == '\n':
- line = line[:-1]
- match = self.EDGE.match(line.strip())
- self.assertIsNot(match, None)
- matches.append(match.groups())
-
- self.checkLists(matches, expected)
-
- @requires_zlib
- def test_repr(self):
- dists = []
- for name in self.DISTROS_DIST + self.DISTROS_EGG + self.BAD_EGGS:
- dist = get_distribution(name, use_egg_info=True)
- self.assertNotEqual(dist, None)
- dists.append(dist)
-
- graph = depgraph.generate_graph(dists)
- self.assertTrue(repr(graph))
-
- @requires_zlib
- def test_main(self):
- tempout = StringIO()
- old = sys.stdout
- sys.stdout = tempout
- oldargv = sys.argv[:]
- sys.argv[:] = ['script.py']
- try:
- try:
- depgraph.main()
- except SystemExit:
- pass
- finally:
- sys.stdout = old
- sys.argv[:] = oldargv
-
- # checks what main did XXX could do more here
- tempout.seek(0)
- res = tempout.read()
- self.assertIn('towel', res)
-
-
-def test_suite():
- return unittest.makeSuite(DepGraphTestCase)
-
-if __name__ == "__main__":
- unittest.main(defaultTest="test_suite")