lm-tecniche-di-programmazione/src/test/kotlin/it/norangeb/algorithms/graph/WeightGraphTest.kt

95 lines
3.4 KiB
Kotlin

/*
* MIT License
*
* Copyright (c) 2019 norangebit
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
package it.norangeb.algorithms.graph
import it.norangeb.algorithms.graph.data.Edge
import org.amshove.kluent.`should be equal to`
import org.amshove.kluent.`should equal`
import org.spekframework.spek2.Spek
import org.spekframework.spek2.style.gherkin.Feature
object WeightGraphTest : Spek({
Feature("weight undirected graph") {
val graph by memoized { WeightGraph() }
Scenario("add edges") {
When("add edge 1-4:5.0") {
graph.addEdge(Edge(1, 4, 5.0))
}
Then("number of edge should equal to 1") {
graph.edgeNumber() `should be equal to` 1
}
Then("adjacent of 1 should equal listOf(1-4:5.0)") {
graph.adjacentVertex(1) `should equal` listOf(Edge(1, 4, 5.0))
}
Then("adjacent of 4 should equal listOf(4-1:5.0)") {
graph.adjacentVertex(4) `should equal` listOf(Edge(4, 1, 5.0))
}
When("add edge 1-3:1.1, 3-4:3.4, 1-5:1.5") {
graph.addEdge(Edge(1, 3, 1.1))
graph.addEdge(Edge(3, 4, 3.4))
graph.addEdge(Edge(1, 5, 1.5))
}
Then("number of edge should equal to 4") {
graph.edgeNumber() `should be equal to` 4
}
Then("adjacent of 1 should equal listOf(1-3:1.1, 1-4:5.0, 1-5:1.5)") {
graph.adjacentVertex(1).sorted() `should equal` listOf(
Edge(1, 3, 1.1),
Edge(1, 5, 1.5),
Edge(1, 4, 5.0)
)
}
Then("adjacent of 3 should equal listOf(3-1:1.1, 3-4:3.4)") {
graph.adjacentVertex(3).sorted() `should equal` listOf(
Edge(3, 1, 1.1),
Edge(3, 4, 3.4)
)
}
Then("edges should equals listOf(1->3:1.3, 1->5:1.5, 3->4:3.4, 1->4:5.0,") {
graph.edges().sorted() `should equal` listOf(
Edge(1, 3, 1.1),
Edge(3, 1, 1.1),
Edge(1, 5, 1.5),
Edge(5, 1, 1.5),
Edge(3, 4, 3.4),
Edge(4, 3, 3.4),
Edge(1, 4, 5.0),
Edge(4, 1, 5.0)
)
}
}
}
})