[FLINK-7273] Gelly tests with empty graphs

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: Library / Graph Processing
• Assignee: Greg Hogan
• Reporter: Greg Hogan
• Created: 26/Jul/17 14:40
• Updated: 15/Sep/17 15:10
• Resolved: 15/Sep/17 15:10

Description

There exist some tests with empty graphs but the `EmptyGraph` in `AsmTestBase` contained vertices but no edges. Add a new `EmptyGraph` without vertices and test both empty graphs for each algorithm.

`PageRank` should (optionally?) include zero-degree vertices in the results.

Issue Links

• links to: GitHub Pull Request #4405