Fix the tests

[dgraziotin]

There are many tests that either fail or give errors.

dpm.tests.index.test_base.TestFileIndex.test_get ... ERROR
dpm.tests.index.test_base.TestFileIndex.test_search ... ERROR
dpm.tests.index.test_base.TestFileIndex.test_together_has_register_update_list ... ERROR
dpm.tests.index.test_base.TestSimpleIndex.test_get ... ok
dpm.tests.index.test_base.TestSimpleIndex.test_search ... ok
dpm.tests.index.test_base.TestSimpleIndex.test_together_has_register_update_list ... ok
dpm.tests.index.test_ckan.TestCkanIndex.test_get ... ok
dpm.tests.index.test_ckan.TestCkanIndex.test_search ... ERROR
Traceback (most recent call last):
  File "/usr/bin/nosetests", line 9, in 
    load_entry_point('nose==1.0.0', 'console_scripts', 'nosetests')()
  File "/usr/lib/pymodules/python2.7/nose/core.py", line 118, in __init__
    **extra_args)
  File "/usr/lib/python2.7/unittest/main.py", line 95, in __init__
    self.runTests()
  File "/usr/lib/pymodules/python2.7/nose/core.py", line 197, in runTests
    result = self.testRunner.run(self.test)
  File "/usr/lib/pymodules/python2.7/nose/core.py", line 61, in run
    test(result)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 176, in __call__
    return self.run(*arg, **kw)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 223, in run
    test(orig)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 176, in __call__
    return self.run(*arg, **kw)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 223, in run
    test(orig)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 176, in __call__
    return self.run(*arg, **kw)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 223, in run
    test(orig)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 176, in __call__
    return self.run(*arg, **kw)
  File "/usr/lib/pymodules/python2.7/nose/suite.py", line 213, in run
    result.addError(self, self._exc_info())
  File "/usr/lib/pymodules/python2.7/nose/proxy.py", line 134, in addError
    plugins.addError(self.test, err)
  File "/usr/lib/pymodules/python2.7/nose/plugins/manager.py", line 94, in __call__
    return self.call(*arg, **kw)
  File "/usr/lib/pymodules/python2.7/nose/plugins/manager.py", line 162, in simple
    result = meth(*arg, **kw)
  File "/usr/lib/pymodules/python2.7/nose/plugins/manager.py", line 320, in addError
    return self.plugin.addError(test.test, err, capt)
AttributeError: 'ContextSuite' object has no attribute 'test'

We should either fix the tests or fix the bugs they encounter, if any. This situation exists at least since I knew about datapkg. Since a requirement to dpm "commits" is to create suitable tests and ensure that the commit does not break the system, we should have working tests.

[rufuspollock]

Absolutely agree here. All tests were passing on my machine as of a week or so ago. I'll check now and fix any I've broken.

I also note that tests that require external access need to be tagged as such so they can be excluded easily (to prevent hanging of tests when run without net access -- see nosetests command in README)

[dgraziotin]

Give me half an hour, I was already taking care of it. I will just send a pull request and you can fix anything else. I've seen that part, how do I tag a function using internet access?

[dgraziotin]

**external** = True

found it. Ok, I need to split test_lib in two modules then.

[dgraziotin]

Just noticed that there is another pull requests of mine that needs review. Therefore, I won't touch anything else. Please @rgrp review it here https://github.com/okfn/dpm/pull/38 If you pull it, then I will let you fix the remaining tests. I will just split mine and wait for you.