| 1 | describe('multi Graph', () => {
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| 2 | const should = require('should')
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| 3 |
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| 4 | const Graph = require('iper').Graph
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| 5 |
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| 6 | const graph = new Graph({ multigraph: true })
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| 7 |
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| 8 | describe('constructor', () => {
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| 9 | it('accepts multigraph flag and adds it to attributes', () => {
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| 10 | graph.multigraph.should.be.true
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| 11 | })
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| 12 | })
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| 13 |
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| 14 | describe('addEdge()', () => {
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| 15 | it('cannot add duplicated edges', () => {
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| 16 | const nodeId1 = graph.addNode()
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| 17 | const nodeId2 = graph.addNode()
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| 18 |
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| 19 | const edgeId1 = graph.addEdge([nodeId1, nodeId2])
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| 20 | const edgeId2 = graph.addEdge([nodeId1, nodeId2])
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| 21 |
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| 22 | should.deepEqual(graph.edges[edgeId1], graph.edges[edgeId2])
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| 23 | edgeId1.should.be.not.equal(edgeId2)
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| 24 | })
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| 25 | })
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| 26 | })
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