url 'file://%(curdir)s/linkcheck/ftests/data/base1.html'
cache key file://%(curdir)s/linkcheck/ftests/data/base1.html
real url file://%(curdir)s/linkcheck/ftests/data/base1.html
valid

url 'base2.html'
cache key file://%(curdir)s/linkcheck/ftests/data/base2.html
real url file://%(curdir)s/linkcheck/ftests/data/base2.html
valid

url 'base2.html' (cached)
cache key file://%(curdir)s/linkcheck/ftests/data/base2.html
real url file://%(curdir)s/linkcheck/ftests/data/base2.html
valid