def ensure_list_versions_delegates_to_cached_versions_when_to_download_versions_from_pypi(temp_dir):
proxy_package_index = ProxyPackageIndex(
"cached", temp_dir.join("packages"), "http://pypi.python.org")
temp_dir.touch("packages", "spam-0.1.2.tar.gz")
temp_dir.touch("packages", "spam-2.3.4.tar.gz")
temp_dir.touch("packages", "spam-2.3.4.egg")
temp_dir.touch("packages", "spam-1.2.3.tar.gz")
temp_dir.touch("packages", "eggs-0.1.2.tar.gz")
temp_dir.touch("packages", "eggs-0.1.2.egg")
cached_environment = os.environ
os.environ = {}
when(pypiproxy.packageindex.urllib2).urlopen(
any_value()).thenRaise(URLError("Failed!"))
actual_list = proxy_package_index.list_versions("spam")
assert_that(actual_list).is_equal_to(['0.1.2', '1.2.3', '2.3.4'])
verify(pypiproxy.packageindex.urllib2).urlopen(
"http://pypi.python.org/simple/spam/")
os.environ = cached_environment
def ensure_list_versions_retrieves_versions_from_pypi_with_md5_hash_in_href(temp_dir):
proxy_package_index = ProxyPackageIndex(
"cached", temp_dir.join("packages"), "http://pypi.python.org")
package_stream = StringIO("""<!doctype html><html><body>
<a href='package-0.1.2.tar.gz#md5=foobar'>package-0.1.2.tar.gz</a><br/>
<a href='package-1.2.3.tar.gz#md5=foobar'>package-1.2.3.tar.gz</a><br/>
<a href='package-1.2.3.egg#md5=foobar'>package-1.2.3.egg</a><br/>
<a href='package-2.3.4.egg#md5=foobar'>package-2.3.4.egg</a><br/>
<a href='package-2.3.4.tar.gz#md5=foobar'>package-2.3.4.tar.gz</a><br/>
<a href="package-3.01.tar.gz#md5=foobar" rel="download">3.01 download_url</a><br/>
<a href="package" rel="homepage">3.02 home_page</a><br/>
</body></html>""")
cached_environment = os.environ
os.environ = {}
when(pypiproxy.packageindex.urllib2).urlopen(
any_value()).thenReturn(package_stream)
actual_list = proxy_package_index.list_versions("package")
assert_that(actual_list).is_equal_to(['0.1.2', '1.2.3', '2.3.4', '3.01'])
verify(pypiproxy.packageindex.urllib2).urlopen(
"http://pypi.python.org/simple/package/")
os.environ = cached_environment
