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from unittest import TestCase, makeSuite
from pkg_resources import *
import pkg_resources, sys
class DistroTests(TestCase):
def testCollection(self):
# empty path should produce no distributions
ad = AvailableDistributions([])
self.assertEqual(list(ad), [])
self.assertEqual(len(ad),0)
self.assertEqual(ad.get('FooPkg'),None)
self.failIf('FooPkg' in ad)
ad.add(Distribution.from_filename("FooPkg-1.3_1.egg"))
ad.add(Distribution.from_filename("FooPkg-1.4-py2.4-win32.egg"))
ad.add(Distribution.from_filename("FooPkg-1.2-py2.4.egg"))
# Name is in there now
self.failUnless('FooPkg' in ad)
# But only 1 package
self.assertEqual(list(ad), ['foopkg'])
self.assertEqual(len(ad),1)
# Distributions sort by version
self.assertEqual(
[dist.version for dist in ad['FooPkg']], ['1.4','1.3-1','1.2']
)
# Removing a distribution leaves sequence alone
ad.remove(ad['FooPkg'][1])
self.assertEqual(
[dist.version for dist in ad.get('FooPkg')], ['1.4','1.2']
)
# And inserting adds them in order
ad.add(Distribution.from_filename("FooPkg-1.9.egg"))
self.assertEqual(
[dist.version for dist in ad['FooPkg']], ['1.9','1.4','1.2']
)
def checkFooPkg(self,d):
self.assertEqual(d.name, "FooPkg")
self.assertEqual(d.key, "foopkg")
self.assertEqual(d.version, "1.3-1")
self.assertEqual(d.py_version, "2.4")
self.assertEqual(d.platform, "win32")
self.assertEqual(d.parsed_version, parse_version("1.3-1"))
def testDistroBasics(self):
d = Distribution(
"/some/path",
name="FooPkg",version="1.3-1",py_version="2.4",platform="win32"
)
self.checkFooPkg(d)
self.failUnless(d.installed_on(["/some/path"]))
self.failIf(d.installed_on([]))
d = Distribution("/some/path")
self.assertEqual(d.py_version, sys.version[:3])
self.assertEqual(d.platform, None)
def testDistroParse(self):
d = Distribution.from_filename("FooPkg-1.3_1-py2.4-win32.egg")
self.checkFooPkg(d)
class ParseTests(TestCase):
def testEmptyParse(self):
self.assertEqual(list(parse_requirements('')), [])
def testYielding(self):
for inp,out in [
([], []), ('x',['x']), ([[]],[]), (' x\n y', ['x','y']),
(['x\n\n','y'], ['x','y']),
]:
self.assertEqual(list(pkg_resources.yield_lines(inp)),out)
def testSimple(self):
self.assertEqual(
list(parse_requirements('Twis-Ted>=1.2-1')),
[('Twis-Ted',[('>=','1.2-1')])]
)
self.assertEqual(
list(parse_requirements('Twisted >=1.2, \ # more\n<2.0')),
[('Twisted',[('>=','1.2'),('<','2.0')])]
)
self.assertRaises(ValueError,lambda:list(parse_requirements(">=2.3")))
self.assertRaises(ValueError,lambda:list(parse_requirements("x\\")))
self.assertRaises(ValueError,lambda:list(parse_requirements("x==2 q")))
def testVersionOrdering(self):
def c(s1,s2):
p1, p2 = parse_version(s1),parse_version(s2)
self.failUnless(p1<p2, (s1,s2,p1,p2))
c('2.1','2.1.1')
c('2a1','2b0')
c('2a1','2.1')
c('2.3a1', '2.3')
c('2.1-1', '2.1-2')
c('2.1-1', '2.1.1')
c('2.1', '2.1pl4')
c('2.1a0-20040501', '2.1')
c('1.1', '02.1')
c('A56','B27')
c('3.2', '3.2.pl0')
c('3.2-1', '3.2pl1')
c('3.2pl1', '3.2pl1-1')
c('0.4', '4.0')
c('0.0.4', '0.4.0')
c('0pl1', '0.4pl1')
torture ="""
0.80.1-3 0.80.1-2 0.80.1-1 0.79.9999+0.80.0pre4-1
0.79.9999+0.80.0pre2-3 0.79.9999+0.80.0pre2-2
0.77.2-1 0.77.1-1 0.77.0-1
""".split()
for p,v1 in enumerate(torture):
for v2 in torture[p+1:]:
c(v2,v1)
def testVersionEquality(self):
def c(s1,s2):
p1, p2 = parse_version(s1),parse_version(s2)
self.assertEqual(p1,p2, (s1,s2,p1,p2))
c('0.4', '0.4.0')
c('0.4.0.0', '0.4.0')
c('0.4.0-0', '0.4-0')
c('0pl1', '0.0pl1')
c('0pre1', '0.0c1')
c('0.0.0preview1', '0c1')
c('0.0c1', '0rc1')
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