| 1 | describe('getAdjacentNodeIds', () => {
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| 2 | const getAdjacentNodeIds = require('./utils').getAdjacentNodeIds
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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 |
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| 7 | it('is mutual', () => {
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| 8 | const edges = graph1.edges
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| 9 | const nodeId1 = '1'
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| 10 | const nodeId2 = '2'
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| 11 |
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| 12 | getAdjacentNodeIds(edges, nodeId1).should.be.eql([nodeId2])
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| 13 | getAdjacentNodeIds(edges, nodeId2).should.be.eql([nodeId1])
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| 14 | })
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| 15 |
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| 16 | it('returns an empty array if there is no adjacent node', () => {
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| 17 | const edges = graph1.edges
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| 18 | const nodeId = 'not found'
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| 19 |
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| 20 | getAdjacentNodeIds(edges, nodeId).should.be.eql([])
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| 21 | })
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| 22 |
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| 23 | it('returns adjacent nodes', () => {
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| 24 | const edges = graph2.edges
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| 25 | var nodeId
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| 26 |
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| 27 | nodeId = 'a'
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| 28 | getAdjacentNodeIds(edges, nodeId).should.be.eql(['b', 'c'])
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| 29 |
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| 30 | nodeId = 'b'
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| 31 | getAdjacentNodeIds(edges, nodeId).should.be.eql(['a', 'c'])
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| 32 | })
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| 33 | })
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