Page Comparison

Basic replace

1.  Attempt to replace a file. The file should exist in the collection, providing the correct checksum for the new file.
   
   1. The new file should now be the one in the collection. Use the getChecksum client to verify this.

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1. Attempt to replace a file in the collection, providing the correct checksums, but a wrong url (the url validates, but no file is found).
   
   1. The user should be informed that the pillars were unable to locate the file at the given url.

Replace with returned checksums

1. Replace a file with including the a request of a salted checksum calculated on the pillars, which should be returned.
   
   1. Check that the file is replaced correctly, and that the returned checksums are correct and consistent across the responses returned by the pillars).