PM: Inject providers to RealState and PolicyManager.
Since RealState allocated a set of hard-coded real providers, it was
necessary for us to pass in underlying interfaces in order to be able to
mock dependencies like DBus or a system clock. This worked but scaled
poorly as we needed to test higher level classes like PolicyManager.
Instead, we now allow to inject the provider objects themselves into
RealState, and a State object into PolicyManager, which allows us to
easily fake them at each level for testing purposes.
BUG=None
TEST=Unit tests.
Change-Id: I85b38990e42039cb6cf37e97234fd18e2c3fea2e
Reviewed-on: https://chromium-review.googlesource.com/189776
Reviewed-by: Gilad Arnold <garnold@chromium.org>
Commit-Queue: Gilad Arnold <garnold@chromium.org>
Tested-by: Gilad Arnold <garnold@chromium.org>
6 files changed