| Class | InstrumentedParentsProvider | Undocumented |
| Class | SharedInstrumentedParentsProvider | Undocumented |
| Class | TestGraphBase | No class docstring; 1/2 methods documented |
| Class | TestGraph | No class docstring; 16/58 methods documented |
| Class | TestFindUniqueAncestors | Undocumented |
| Class | TestGraphFindDistanceToNull | Test an api that should be able to compute a revno |
| Class | TestFindMergeOrder | Undocumented |
| Class | TestFindDescendants | Undocumented |
| Class | TestFindLefthandMerger | Undocumented |
| Class | TestGetChildMap | Undocumented |
| Class | TestCachingParentsProvider | These tests run with: |
| Class | TestCachingParentsProviderExtras | Test the behaviour when parents are provided that were not requested. |
| Class | TestCollapseLinearRegions | Undocumented |
| Class | TestGraphThunkIdsToKeys | Undocumented |
| Class | TestPendingAncestryResultGetKeys | Tests for bzrlib.graph.PendingAncestryResult. |
| Class | TestPendingAncestryResultRefine | Undocumented |
| Class | TestSearchResultRefine | Undocumented |
| Class | TestSearchResultFromParentMap | Undocumented |
| Class | TestLimitedSearchResultFromParentMap | Undocumented |
| Class | TestStackedParentsProvider | Undocumented |