| 1 | describe('pseudo Graph', () => {
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| 2 | const Graph = require('iper').Graph
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| 3 |
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| 4 | const graph = new Graph({ pseudograph: true })
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| 5 |
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| 6 | describe('constructor', () => {
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| 7 | it('accepts pseudograph flag and adds it to attributes', () => {
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| 8 | graph.pseudograph.should.be.true()
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| 9 | })
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| 10 |
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| 11 | it('implies multigraph', () => {
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| 12 | graph.multigraph.should.be.true()
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| 13 | })
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| 14 | })
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| 15 |
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| 16 | describe('addEdge()', () => {
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| 17 | it('can create loops', () => {
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| 18 | const nodeId = graph.addNode()
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| 19 | const nodeIds = [nodeId, nodeId]
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| 20 |
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| 21 | const edgeId = graph.addEdge(nodeIds)
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| 22 |
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| 23 | graph.edges[edgeId].should.be.eql(nodeIds)
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| 24 | })
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| 25 | })
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| 26 | })
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