fix tests, integrate depenentless sorting into toposort for easier testing and

better guarantees
This commit is contained in:
Henry Jameson 2020-01-20 01:44:11 +02:00
parent 6e1c538e41
commit 2b36a62c56
2 changed files with 20 additions and 12 deletions

View file

@ -72,8 +72,16 @@ describe('topoSort', () => {
expect(out.indexOf('layer2A')).to.be.below(out.indexOf('layer3AB'))
expect(out.indexOf('layer2B')).to.be.below(out.indexOf('layer3AB'))
})
it('dependentless nodes should be first', () => {
const out = topoSort(fixture2, (node, inheritance) => inheritance[node])
// This basically checks all ordering that matters
expect(out.indexOf('layerA')).to.eql(0)
expect(out.indexOf('layerB')).to.eql(1)
})
it('ignores cyclic dependencies', () => {
const out = topoSort({ a: 'b', b: 'a', c: 'a' }, (node, inheritance) => inheritance[node])
const out = topoSort({ a: 'b', b: 'a', c: 'a' }, (node, inheritance) => [inheritance[node]])
expect(out.indexOf('a')).to.be.below(out.indexOf('c'))
})
})