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SwiftGraphBindingsTests.swift
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SwiftGraphBindingsTests.swift
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import XCTest
import SwiftGraph
import DotSwiftEncoder
@testable import SwiftGraphBindings
class SwiftGraphBindingsTests: XCTestCase {
func testWeightedGraphDirected() {
let g = WeightedGraph<String, String>(vertices: ["A", "B", "C"])
g.addEdge(from: "A", to: "B", weight: "AB", directed: true)
g.addEdge(from: "A", to: "C", weight: "AC", directed: true)
g.addEdge(from: "B", to: "C", weight: "BC", directed: true)
let dotString = DOTEncoder(type: .digraph).encode(g)
XCTAssertEqual(dotString, """
digraph {
0 [label = "A"];
1 [label = "B"];
2 [label = "C"];
0 -> 1 [label = "AB"];
0 -> 2 [label = "AC"];
1 -> 2 [label = "BC"];
}
""")
}
func testUnweightedGraphDirected() {
let g = UnweightedGraph<String>(vertices: ["A", "B", "C"])
g.addEdge(from: "A", to: "B", directed: true)
g.addEdge(from: "A", to: "C", directed: true)
g.addEdge(from: "B", to: "C", directed: true)
let dotString = DOTEncoder(type: .digraph).encode(g)
XCTAssertEqual(dotString, """
digraph {
0 [label = "A"];
1 [label = "B"];
2 [label = "C"];
0 -> 1;
0 -> 2;
1 -> 2;
}
""")
}
func testWeightedGraphUndirected() {
let g = WeightedGraph<String, String>(vertices: ["A", "B", "C"])
g.addEdge(from: "A", to: "B", weight: "AB", directed: false)
g.addEdge(from: "A", to: "B", weight: "AB2", directed: false)
g.addEdge(from: "A", to: "A", weight: "AA", directed: false)
g.addEdge(from: "A", to: "C", weight: "AC", directed: false)
g.addEdge(from: "B", to: "C", weight: "BC", directed: false)
let dotString = DOTEncoder(type: .digraph).encode(g)
XCTAssertEqual(dotString, """
digraph {
0 [label = "A"];
1 [label = "B"];
2 [label = "C"];
0 -> 1 [label = "AB", dir = "none"];
0 -> 1 [label = "AB2", dir = "none"];
0 -> 0 [label = "AA", dir = "none"];
0 -> 2 [label = "AC", dir = "none"];
1 -> 2 [label = "BC", dir = "none"];
}
""")
}
func testUnweightedGraphUndirected() {
let g = UnweightedGraph<String>(vertices: ["A", "B", "C"])
g.addEdge(from: "A", to: "B", directed: false)
g.addEdge(from: "A", to: "B", directed: false)
g.addEdge(from: "A", to: "A", directed: false)
g.addEdge(from: "A", to: "C", directed: false)
g.addEdge(from: "B", to: "C", directed: false)
let dotString = DOTEncoder(type: .digraph).encode(g)
XCTAssertEqual(dotString, """
digraph {
0 [label = "A"];
1 [label = "B"];
2 [label = "C"];
0 -> 1 [dir = "none"];
0 -> 1 [dir = "none"];
0 -> 0 [dir = "none"];
0 -> 2 [dir = "none"];
1 -> 2 [dir = "none"];
}
""")
}
func testUnweightedGraphMixe() {
let g = UnweightedGraph<String>(vertices: ["A", "B", "C"])
g.addEdge(from: "A", to: "B", directed: false)
g.addEdge(from: "A", to: "B", directed: false)
g.addEdge(from: "A", to: "A", directed: true)
g.addEdge(from: "A", to: "C", directed: false)
g.addEdge(from: "B", to: "C", directed: true)
let dotString = DOTEncoder(type: .digraph).encode(g)
XCTAssertEqual(dotString, """
digraph {
0 [label = "A"];
1 [label = "B"];
2 [label = "C"];
0 -> 1 [dir = "none"];
0 -> 1 [dir = "none"];
0 -> 0;
0 -> 2 [dir = "none"];
1 -> 2;
}
""")
}
func testWeightedGraphMixed() {
let g = WeightedGraph<String, String>(vertices: ["A", "B", "C"])
g.addEdge(from: "A", to: "B", weight: "AB", directed: false)
g.addEdge(from: "A", to: "B", weight: "AB2", directed: true)
g.addEdge(from: "A", to: "A", weight: "AA", directed: false)
g.addEdge(from: "A", to: "C", weight: "AC", directed: true)
g.addEdge(from: "B", to: "C", weight: "BC", directed: false)
let dotString = DOTEncoder(type: .digraph).encode(g)
XCTAssertEqual(dotString, """
digraph {
0 [label = "A"];
1 [label = "B"];
2 [label = "C"];
0 -> 1 [label = "AB", dir = "none"];
0 -> 1 [label = "AB2"];
0 -> 0 [label = "AA", dir = "none"];
0 -> 2 [label = "AC"];
1 -> 2 [label = "BC", dir = "none"];
}
""")
}
}