89 lines
3.2 KiB
JavaScript
89 lines
3.2 KiB
JavaScript
import { getLayersArray, topoSort } from 'src/services/theme_data/theme_data.service.js'
|
|
|
|
describe('Theme Data utility functions', () => {
|
|
describe('getLayersArray', () => {
|
|
const fixture = {
|
|
layer1: null,
|
|
layer2: 'layer1',
|
|
layer3a: 'layer2',
|
|
layer3b: 'layer2'
|
|
}
|
|
|
|
it('should expand layers properly (3b)', () => {
|
|
const out = getLayersArray('layer3b', fixture)
|
|
expect(out).to.eql(['layer1', 'layer2', 'layer3b'])
|
|
})
|
|
|
|
it('should expand layers properly (3a)', () => {
|
|
const out = getLayersArray('layer3a', fixture)
|
|
expect(out).to.eql(['layer1', 'layer2', 'layer3a'])
|
|
})
|
|
|
|
it('should expand layers properly (2)', () => {
|
|
const out = getLayersArray('layer2', fixture)
|
|
expect(out).to.eql(['layer1', 'layer2'])
|
|
})
|
|
|
|
it('should expand layers properly (1)', () => {
|
|
const out = getLayersArray('layer1', fixture)
|
|
expect(out).to.eql(['layer1'])
|
|
})
|
|
})
|
|
|
|
describe('topoSort', () => {
|
|
const fixture1 = {
|
|
layerA: [],
|
|
layer1A: ['layerA'],
|
|
layer2A: ['layer1A'],
|
|
layerB: [],
|
|
layer1B: ['layerB'],
|
|
layer2B: ['layer1B'],
|
|
layer3AB: ['layer2B', 'layer2A']
|
|
}
|
|
|
|
// Same thing but messed up order
|
|
const fixture2 = {
|
|
layer1A: ['layerA'],
|
|
layer1B: ['layerB'],
|
|
layer2A: ['layer1A'],
|
|
layerB: [],
|
|
layer3AB: ['layer2B', 'layer2A'],
|
|
layer2B: ['layer1B'],
|
|
layerA: []
|
|
}
|
|
|
|
it('should make a topologically sorted array', () => {
|
|
const out = topoSort(fixture1, (node, inheritance) => inheritance[node])
|
|
// This basically checks all ordering that matters
|
|
expect(out.indexOf('layerA')).to.be.below(out.indexOf('layer1A'))
|
|
expect(out.indexOf('layer1A')).to.be.below(out.indexOf('layer2A'))
|
|
expect(out.indexOf('layerB')).to.be.below(out.indexOf('layer1B'))
|
|
expect(out.indexOf('layer1B')).to.be.below(out.indexOf('layer2B'))
|
|
expect(out.indexOf('layer2A')).to.be.below(out.indexOf('layer3AB'))
|
|
expect(out.indexOf('layer2B')).to.be.below(out.indexOf('layer3AB'))
|
|
})
|
|
|
|
it('order in object shouldn\'t matter', () => {
|
|
const out = topoSort(fixture2, (node, inheritance) => inheritance[node])
|
|
// This basically checks all ordering that matters
|
|
expect(out.indexOf('layerA')).to.be.below(out.indexOf('layer1A'))
|
|
expect(out.indexOf('layer1A')).to.be.below(out.indexOf('layer2A'))
|
|
expect(out.indexOf('layerB')).to.be.below(out.indexOf('layer1B'))
|
|
expect(out.indexOf('layer1B')).to.be.below(out.indexOf('layer2B'))
|
|
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]])
|
|
expect(out.indexOf('a')).to.be.below(out.indexOf('c'))
|
|
})
|
|
})
|
|
})
|