Todd Gamblin d2db978c7f tests: add a test to make sure that patched specs can be round-tripped ... - previously, if a concrete sub-DAG with patched specs was written out and read back in, its patches would not be found because the dependent that patched it was no longer in the DAG. - Add a test to ensure that the PatchCache handles this case. - Also add tests to ensure that patch objects are properly created from Specs -- previously we only checked that the patches were on the Spec.		2018-12-30 00:19:08 -08:00
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spack	tests: add a test to make sure that patched specs can be round-tripped	2018-12-30 00:19:08 -08:00