| 1 | describe('getIncidentEdgeIds', () => {
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| 2 | const getIncidentEdgeIds = require('./utils').getIncidentEdgeIds
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| 3 |
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| 4 | const graph1 = require('./examples/graphs/graph1.json')
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| 5 | const graph2 = require('./examples/graphs/graph2.json')
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| 6 | const isolatedNode = require('./examples/graphs/isolatedNode.json')
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| 7 |
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| 8 | it('returns an empty array if there is no incident edge', () => {
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| 9 | const nodeId = 'isolated'
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| 10 | const edges = isolatedNode.edges
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| 11 |
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| 12 | getIncidentEdgeIds(edges, nodeId).should.be.eql([])
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| 13 | })
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| 14 |
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| 15 | it('returns incident edges', () => {
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| 16 | var result
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| 17 | var nodeId
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| 18 | var edges
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| 19 |
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| 20 | nodeId = '1'
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| 21 | edges = graph1.edges
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| 22 | result = ['0']
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| 23 | getIncidentEdgeIds(edges, nodeId).should.be.eql(result)
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| 24 |
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| 25 | nodeId = '2'
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| 26 | edges = graph1.edges
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| 27 | result = ['0']
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| 28 | getIncidentEdgeIds(edges, nodeId).should.be.eql(result)
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| 29 |
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| 30 | nodeId = 'a'
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| 31 | edges = graph2.edges
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| 32 | result = ['0', '1', '2']
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| 33 | getIncidentEdgeIds(edges, nodeId).should.be.eql(result)
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| 34 |
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| 35 | nodeId = 'b'
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| 36 | edges = graph2.edges
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| 37 | result = ['0', '1', '2']
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| 38 | getIncidentEdgeIds(edges, nodeId).should.be.eql(result)
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| 39 |
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| 40 | nodeId = 'c'
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| 41 | edges = graph2.edges
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| 42 | result = ['0', '1', '2']
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| 43 | getIncidentEdgeIds(edges, nodeId).should.be.eql(result)
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| 44 | })
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| 45 | })
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