Reimplement tests.

Use simple download recipe instead of relying on egg downloading.

src/zc/buildout/networkcache.txt

@@ -45,6 +45,11 @@ Now let's prepare networkcache server:
    >>> nc_data = tmpdir('nc_data')
    >>> nc_url = start_nc(nc_data)
 
+And remote server:
+
+   >>> remote_server_data = tmpdir('remote_server_data')
+   >>> remote_server_url = start_server(remote_server_data)
+
 Networkcache in buildout is optional, and during normal run no information
 is shown:
 
@@ -55,19 +60,57 @@ is shown:
    ... ''')
    >>> print system(buildout)
 
-But whenever networkcache configuration is enabled, it is possible to use it:
+For some tests simple download recipe will be needed:
+
+  >>> mkdir(sample_buildout, 'download')
+  >>> write(sample_buildout, 'download', 'download.py',
+  ... """
+  ... import logging, os, zc.buildout
+  ...
+  ... class Download:
+  ...
+  ...     def __init__(self, buildout, name, options):
+  ...         self.name, self.options, self.buildout = name, options, buildout
+  ...
+  ...     def install(self):
+  ...         download = zc.buildout.download.Download(
+  ...           self.buildout['buildout'])
+  ...         path, is_temp = download(self.options['url'],
+  ...           md5sum=self.options.get('md5sum'))
+  ...         logging.getLogger(self.name).info(
+  ...             'Downloaded %s', self.options['url'])
+  ...         return []
+  ...
+  ...     update = install
+  ... """)
+  >>> write(sample_buildout, 'download', 'setup.py',
+  ... """
+  ... from setuptools import setup
+  ...
+  ... setup(
+  ...     name = "download",
+  ...     entry_points = {'zc.buildout': ['default = download:Download']},
+  ...     )
+  ... """)
+  >>> write(sample_buildout, 'download', 'README.txt', " ")
+
+Let's create file on remote server:
+
+  >>> write(remote_server_data, 'hello.txt', 'Hello my friend')
+
+It will be downloaded and stored into networkcache:
 
    >>> write(sample_buildout, 'buildout.cfg',
    ... '''
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demoneeded ==1.2c1
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
@@ -79,39 +122,30 @@ But whenever networkcache configuration is enabled, it is possible to use it:
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
    Networkcache upload cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Failed to download from network cache demoneeded-1.2c1.zip: 404 : File not found
-   Uploading http://localhost/demoneeded-1.2c1.zip into network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
-
-Now lets clean up buildout directory:
-
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demoneeded*'))]
-   [None]
-   >>> remove('.installed.cfg')
+   Develop: '/sample-buildout/download'
+   Installing download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: 404 : Not Found
+   Uploading http://localhost/hello.txt into network cache.
+   download: Downloaded http://localhost/hello.txt
 
 And run it again, data will be downloaded from networkcache:
 
    >>> print system(buildout)
    Networkcache enabled.
-   Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Networkcache upload cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
+   Networkcache download cache: 'http://localhost:29630/shacache', directory 'http://localhost:29630/shadir'
+   Networkcache upload cache: 'http://localhost:29630/shacache', directory 'http://localhost:29630/shadir'
+   Develop: '/tmp/tmpOkGTHmbuildoutSetUp/_TEST_/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost:25390/hello.txt
+   Downloading hello.txt from network cache.
+   download: Downloaded http://localhost:25390/hello.txt
 
-Now lets clean up buildout directory:
+Lets clean networkcache:
 
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demoneeded*'))]
-   [None]
-   >>> remove('.installed.cfg')
+   >>> rmdir(nc_data)
+   >>> mkdir(nc_data)
 
 As one can see, in case if upload is not working, there is no problem with running buildout:
 
@@ -120,12 +154,12 @@ As one can see, in case if upload is not working, there is no problem with runni
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demo
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
@@ -137,24 +171,19 @@ As one can see, in case if upload is not working, there is no problem with runni
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
    Networkcache upload cache: 'http://127.0.0.1:1/sshacache', directory 'http://127.0.0.1:1/sshadir'
-   Installing eggs.
-   Getting distribution for 'demo'.
-   Downloading demo-0.4c1-py2.7.egg from network cache.
-   Failed to download from network cache demo-0.4c1-py2.7.egg: 404 : File not found
-   Uploading http://localhost/demo-0.4c1-py2.7.egg into network cache.
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: 404 : Not Found
+   Uploading http://localhost/hello.txt into network cache.
    Fail to upload file. [Errno 111] Connection refused
-   Got demo 0.4c1.
-   Getting distribution for 'demoneeded'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
+   download: Downloaded http://localhost/hello.txt
 
-Now lets clean up buildout directory:
+Lets clean networkcache:
 
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None, None]
-   >>> remove('.installed.cfg')
+   >>> rmdir(nc_data)
+   >>> mkdir(nc_data)
 
 Upload is optional, and then no upload will be tried:
 
@@ -163,12 +192,12 @@ Upload is optional, and then no upload will be tried:
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demo
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
@@ -178,22 +207,12 @@ Upload is optional, and then no upload will be tried:
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
    Networkcache upload cache: '', directory ''
-   Installing eggs.
-   Getting distribution for 'demo'.
-   Downloading demo-0.4c1-py2.7.egg from network cache.
-   Failed to download from network cache demo-0.4c1-py2.7.egg: 404 : File not found
-   Got demo 0.4c1.
-   Getting distribution for 'demoneeded'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
-
-Now lets clean up buildout directory:
-
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None, None]
-   >>> remove('.installed.cfg')
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: 404 : Not Found
+   download: Downloaded http://localhost/hello.txt
 
 In case if download cache is failing, original resources are used:
 
@@ -205,12 +224,12 @@ message not perfect error is shown like <urlopen...Connection Refused>)
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demo
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = http://127.0.0.1:1/shacache
@@ -222,32 +241,20 @@ message not perfect error is shown like <urlopen...Connection Refused>)
    Networkcache enabled.
    Networkcache download cache: 'http://127.0.0.1:1/shacache', directory 'http://127.0.0.1:1/shadir'
    Networkcache upload cache: 'http://127.0.0.1:1/sshacache', directory 'http://127.0.0.1:1/sshadir'
-   Installing eggs.
-   Getting distribution for 'demo'.
-   Downloading demo-0.4c1-py2.7.egg from network cache.
-   Failed to download from network cache demo-0.4c1-py2.7.egg: <urlopen error [Errno 111] Connection refused>
-   Uploading http://localhost/demo-0.4c1-py2.7.egg into network cache.
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: <urlopen error [Errno 111] Connection refused>
+   Uploading http://localhost/hello.txt into network cache.
    Fail to upload file. [Errno 111] Connection refused
-   Got demo 0.4c1.
-   Getting distribution for 'demoneeded'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Failed to download from network cache demoneeded-1.2c1.zip: <urlopen error [Errno 111] Connection refused>
-   Uploading http://localhost/demoneeded-1.2c1.zip into network cache.
-   Fail to upload file. [Errno 111] Connection refused
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
-
-Now lets clean up buildout directory:
-
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None, None]
-   >>> remove('.installed.cfg')
+   download: Downloaded http://localhost/hello.txt
 
-Creating the signature files:
+Lets create the signature files:
 
    >>> signature_data = tmpdir('signature_data')
    >>> keydir = tmpdir('keydir')
+   >>> import os
    >>> public_certificate_path = os.path.join(keydir, 'public.pem')
    >>> private_key_path = os.path.join(keydir, 'private.pem')
    >>> ignored = system(os.path.join(sample_buildout, 'bin', 'generate-signature-key') + ' --signature-certificate-file=' + public_certificate_path + ' --signature-private-key-file=' + private_key_path)
@@ -255,59 +262,51 @@ Creating the signature files:
    -  private.pem
    -  public.pem
 
+First put not signed file in networkcache:
 
-Enable signature, so it should not download any content which is not trusted :
    >>> write(sample_buildout, 'buildout.cfg',
    ... '''
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demoneeded ==1.2c1
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
    ... download-dir-url = %(nc_url)sshadir
    ... upload-cache-url = %(nc_url)sshacache
    ... upload-dir-url = %(nc_url)sshadir
-   ... signature-private-key-file = %(private_key_path)s
-   ... signature-certificate-file = %(public_certificate_path)s
    ... ''' % globals())
    >>> print system(buildout)
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
    Networkcache upload cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Failed to download from network cache demoneeded-1.2c1.zip: Could not find a trustable entry.
-   Uploading http://localhost/demoneeded-1.2c1.zip into network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
-
-Now lets clean up buildout directory:
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: 404 : Not Found
+   Uploading http://localhost/hello.txt into network cache.
+   download: Downloaded http://localhost/hello.txt
 
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None]
-   >>> remove('.installed.cfg')
+Now enable signature, so it should not download any content which is not trusted :
 
-Once it has a trusted content available into the server it should be abled to download it:
    >>> write(sample_buildout, 'buildout.cfg',
    ... '''
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demoneeded ==1.2c1
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
@@ -321,20 +320,29 @@ Once it has a trusted content available into the server it should be abled to do
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
    Networkcache upload cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: Could not find a trustable entry.
+   Uploading http://localhost/hello.txt into network cache.
+   download: Downloaded http://localhost/hello.txt
+
+Once it has a trusted content available into the server it should be abled to download it:
 
-Now lets clean up buildout directory:
+   >>> print system(buildout)
+   Networkcache enabled.
+   Networkcache download cache: 'http://localhost:26283/shacache', directory 'http://localhost:26283/shadir'
+   Networkcache upload cache: 'http://localhost:26283/shacache', directory 'http://localhost:26283/shadir'
+   Develop: '/tmp/tmpO55kN1buildoutSetUp/_TEST_/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost:22168/hello.txt
+   Downloading hello.txt from network cache.
+   download: Downloaded http://localhost:22168/hello.txt
 
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None]
-   >>> remove('.installed.cfg')
 
 Now lets create new signature files:
+
    >>> new_keydir = tmpdir('newkeydir')
    >>> new_public_certificate_path = os.path.join(new_keydir, 'public2.pem')
    >>> new_private_key_path = os.path.join(new_keydir, 'private2.pem')
@@ -344,148 +352,147 @@ Now lets create new signature files:
    -  public2.pem
 
 There is a new certificate file, so it should not download the old content:
+
    >>> write(sample_buildout, 'buildout.cfg',
    ... '''
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demoneeded ==1.2c1
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
    ... download-dir-url = %(nc_url)sshadir
+   ... signature-private-key-file = %(new_private_key_path)s
    ... signature-certificate-file = %(new_public_certificate_path)s
    ... ''' % globals())
    >>> print system(buildout)
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
    Networkcache upload cache: '', directory ''
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Failed to download from network cache demoneeded-1.2c1.zip: Could not find a trustable entry.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
-
-Now lets clean up buildout directory:
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: Could not find a trustable entry.
+   download: Downloaded http://localhost/hello.txt
 
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None]
-   >>> remove('.installed.cfg')
 
 If it can not find a trustable entry into server, it should upload the files using new signature:
+
    >>> write(sample_buildout, 'buildout.cfg',
    ... '''
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demoneeded ==1.2c1
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
    ... download-dir-url = %(nc_url)sshadir
-   ... upload-cache-url = %(nc_url)sshacache
-   ... upload-dir-url = %(nc_url)sshadir
    ... signature-private-key-file = %(new_private_key_path)s
    ... signature-certificate-file = %(new_public_certificate_path)s
+   ... upload-cache-url = %(nc_url)sshacache
+   ... upload-dir-url = %(nc_url)sshadir
    ... ''' % globals())
    >>> print system(buildout)
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
    Networkcache upload cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Failed to download from network cache demoneeded-1.2c1.zip: Could not find a trustable entry.
-   Uploading http://localhost/demoneeded-1.2c1.zip into network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
-
-Now lets clean up buildout directory:
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   Failed to download from network cache hello.txt: Could not find a trustable entry.
+   Uploading http://localhost/hello.txt into network cache.
+   download: Downloaded http://localhost/hello.txt
 
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None]
-   >>> remove('.installed.cfg')
 
 Buildout can download the content using the old certificatei, because it still available in the cache server:
+
    >>> write(sample_buildout, 'buildout.cfg',
    ... '''
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demoneeded ==1.2c1
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
    ... download-dir-url = %(nc_url)sshadir
+   ... signature-private-key-file = %(private_key_path)s
    ... signature-certificate-file = %(public_certificate_path)s
+   ... upload-cache-url = %(nc_url)sshacache
+   ... upload-dir-url = %(nc_url)sshadir
    ... ''' % globals())
    >>> print system(buildout)
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Networkcache upload cache: '', directory ''
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
-
-Now lets clean up buildout directory:
-
-   >>> import os, glob
-   >>> [remove(q) for q in glob.glob(os.path.join(sample_buildout, 'eggs', 'demo*'))]
-   [None]
-   >>> remove('.installed.cfg')
+   Networkcache upload cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   download: Downloaded http://localhost/hello.txt
 
 Buildout can download the content using the new certificate, because it still available in the cache server:
+
    >>> write(sample_buildout, 'buildout.cfg',
    ... '''
    ... [buildout]
    ...
    ... networkcache-section = networkcache
-   ... find-links = %(link_server)s
-   ... parts = eggs
+   ... develop = download
+   ... parts = download
    ...
-   ... [eggs]
-   ... recipe = zc.recipe.egg:eggs
-   ... eggs = demoneeded ==1.2c1
+   ... [download]
+   ... recipe = download
+   ... url = %(remote_server_url)shello.txt
    ...
    ... [networkcache]
    ... download-cache-url = %(nc_url)sshacache
    ... download-dir-url = %(nc_url)sshadir
-   ... signature-certificate-file = %(new_public_certificate_path)s
+   ... signature-private-key-file = %(private_key_path)s
+   ... signature-certificate-file = %(public_certificate_path)s
+   ... upload-cache-url = %(nc_url)sshacache
+   ... upload-dir-url = %(nc_url)sshadir
    ... ''' % globals())
    >>> print system(buildout)
    Networkcache enabled.
    Networkcache download cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
-   Networkcache upload cache: '', directory ''
-   Installing eggs.
-   Getting distribution for 'demoneeded==1.2c1'.
-   Downloading demoneeded-1.2c1.zip from network cache.
-   Got demoneeded 1.2c1.
-   <BLANKLINE>
+   Networkcache upload cache: 'http://localhost/shacache', directory 'http://localhost/shadir'
+   Develop: '/sample-buildout/download'
+   Updating download.
+   Downloading http://localhost/hello.txt
+   Downloading hello.txt from network cache.
+   download: Downloaded http://localhost/hello.txt
+
+Todo:
+
+ * downloading eggs
+ * downloading extensions?
+ * showing that wrong md5sum will fail to upload
 
 ###############
 # PARSING URL #
 ###############
 Check if the parsing url method works correctly, in low-level:
+
    >>> get_filename_from_url("http://localhost/lib/patch/?id=700c7d5382b01f94e7141")
    'id=700c7d5382b01f94e7141'
    >>> get_filename_from_url("http://localhost/tarball-5.1.tar.gz?id=700")
@@ -495,6 +502,7 @@ Check if the parsing url method works correctly, in low-level:
 
 Check if the networkcache upload method is using the correct method to
 parse the original url and get the file name:
+
    >>> tmp_dir = tmpdir('tmp_dir')
    >>> write(tmp_dir, 'tmp_file', 'Content of temp file.')
    >>> get_filename_from_upload_network_cached(