Install html5lib in the tox configuration automatically and directly call runtests.py without detour to setuptools' test command. We're not installing lxml automatically since it doesn't reliably work on all platforms.

setup.py

@@ -114,9 +114,6 @@ setup(
     install_requires = [
         'BeautifulSoup',
     ],
-    tests_require = [
-        'Django', 'BeautifulSoup',
-    ],
     classifiers = [
         'Development Status :: 4 - Beta',
         'Framework :: Django',
@@ -126,6 +123,5 @@ setup(
         'Programming Language :: Python',
         'Topic :: Internet :: WWW/HTTP',
     ],
-    test_suite='compressor.tests.runtests.runtests',
     zip_safe = False,
 )

tox.ini

@@ -2,51 +2,69 @@
 distribute=false
 sitepackages=true
 commands =
-    python setup.py test
+    python compressor/tests/runtests.py
 
 [testenv:py25-1.1.X]
 basepython = python2.5
 deps =
+    BeautifulSoup
+    html5lib
     django==1.1.4
 
 [testenv:py26-1.1.X]
 basepython = python2.6
 deps =
+    BeautifulSoup
+    html5lib
     django==1.1.4
 
 [testenv:py27-1.1.X]
 basepython = python2.7
 deps =
+    BeautifulSoup
+    html5lib
     django==1.1.4
 
 
 [testenv:py25-1.2.X]
 basepython = python2.5
 deps =
+    BeautifulSoup
+    html5lib
     django==1.2.5
 
 [testenv:py26-1.2.X]
 basepython = python2.6
 deps =
+    BeautifulSoup
+    html5lib
     django==1.2.5
 
 [testenv:py27-1.2.X]
 basepython = python2.7
 deps =
+    BeautifulSoup
+    html5lib
     django==1.2.5
 
 
 [testenv:py25-1.3.X]
 basepython = python2.5
 deps =
+    BeautifulSoup
+    html5lib
     django==1.3
 
 [testenv:py26-1.3.X]
 basepython = python2.6
 deps =
+    BeautifulSoup
+    html5lib
     django==1.3
 
 [testenv:py27-1.3.X]
 basepython = python2.7
 deps =
+    BeautifulSoup
+    html5lib
     django==1.3