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graphviz: project-package relationship graph #1588
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sdboyer
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Jul 3, 2018
This change introduces "clusters", which are projects with multiple subpackages. Clusters are created using "subgraph" in dot syntax. To create a project-package relationship graph, nodes and subgraphs are created first. Nodes are created when a project has a single package and that's the root package. A subgraph/cluster is created when a project has multiple subpackages. createSubgraph(project, packages) takes a project name and its packages and creates nodes or subgraphs/clusters based on the packages. Once all the nodes and subgraphs are created, a target project can be passed to output(project) to generate a dot output with all the nodes and subgraphs related to the target project. Following relation scenarios have been covered: 1. edge from a node within a cluster to a target cluster 2. edge from a node within a cluster to a single node 3. edge from a cluster to a target cluster 4. edge from a cluster to a target single node 5. edge from a cluster to a node within a cluster
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What does this do / why do we need it?
This change introduces "clusters", which are projects with multiple
subpackages. Clusters are created using "subgraph" in dot syntax.
To create a project-package relationship graph, nodes and
subgraphs are created first. Nodes are created when a project has a
single package and that's the root package. A subgraph/cluster is
created when a project has multiple subpackages.
createSubgraph(project, packages) takes a project name and its packages
and creates nodes or subgraphs/clusters based on the packages.
Once all the nodes and subgraphs are created, a target project can be
passed to output(project) to generate a dot output
with all the nodes and subgraphs related to the target project.
Following relation scenarios have been covered:
A few screenshots of the dot output of the test:
subgraph1.dot
subgraph2.dot
subgraph3.dot
subgraph4.dot
The graphs of the dot outputs can also be generated using an online tool at http://www.webgraphviz.com/ .
What should your reviewer look out for in this PR?
The implementation.
Do you need help or clarification on anything?
Any kind of improvement/suggestions in how the graph appears?
Which issue(s) does this PR fix?
fixes #1547