The Whirr tests run against real cloud providers, so you need to have an account with a provider to run them. You also need to set the necessary credentials. In theory, Whirr runs against any porivder supported by Jclouds, but this hasn't been tested yet.
Build and install the JARs from the top-level with
mvn install -DskipTests
To run the tests for a given service, change into the services/<service> directory and type the following. Alternatively, run this from the top level to run the tests for all services.
mvn test -DargLine='-Dwhirr.test.provider=<cloud-provider> -Dwhirr.test.user=<cloud-provider-user> -Dwhirr.test.key=<cloud-provider-secret-key>'
For Amazon EC2,
whirr.test.provider should be set to
ec2 (the default). The user is the access key ID, and the key is the secret access key.