New: Gson added to operate with Graph stored.

build.gradle.kts

@@ -19,6 +19,10 @@ repositories {
 
 dependencies {
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion")
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
+    implementation("com.google.code.gson:gson:2.8.6")
+
+    testImplementation("org.mockito:mockito-core:2.+")
     testImplementation("org.testng:testng-6.14.3")
 }
 

degitx-simulator.iml

@@ -8,6 +8,7 @@
       <sourceFolder url="file://$MODULE_DIR$/src/main" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/lib" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
@@ -23,5 +24,6 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="library" name="gson-2.8.6" level="project" />
   </component>
 </module>

src/main/com/cqfn/degitx/simulator/data/GraphData.kt

@@ -0,0 +1,39 @@
+package com.cqfn.degitx.simulator.data
+
+/**
+ * Data class to store, load and save graph structure.
+ */
+data class GraphData(
+    val graph: Graph
+)
+
+data class Graph(
+    val edges: List<Edge>,
+    val nodes: List<Node>
+)
+
+data class Edge(
+    val head: String,
+    val tail: String
+)
+
+data class Node(
+        val hardware: Hardware,
+        val id: String,
+        val state: String
+)
+
+data class Hardware(
+    val net: Net,
+    val storage: Storage
+)
+
+data class Net(
+    val addr: String,
+    val throughput: Int
+)
+
+data class Storage(
+    val r: Int,
+    val w: Int
+)

src/test/com/cqfn/degitx/simulator/RequestPathTest.kt

@@ -26,4 +26,4 @@ class RequestPathTest {
         graph.nodes[1].run((rq))
         Assert.assertEquals(rq.timespent, 1000)
     }
-}
+}

src/test/com/cqfn/degitx/simulator/data/GraphDataTest.kt

@@ -0,0 +1,26 @@
+package com.cqfn.degitx.simulator.data
+
+import com.cqfn.degitx.simulator.GraphGenerator
+import com.google.gson.Gson
+import org.testng.annotations.Test
+import java.io.File
+
+class GraphDataTest {
+
+    var graph = GraphGenerator()
+
+    @Test
+    fun testTestToString() {
+        val resourceName = "src/test/resources/testGraph.json"
+        val content = File(resourceName).readText(Charsets.UTF_8)
+        var grData = Gson().fromJson(content, GraphData::class.java)
+        println(grData.graph)
+    }
+
+    @Test
+    fun witeStaticGraph() {
+        graph.generate(GraphGenerator.Settings())
+        var grData = Gson().toJson(graph)
+        println(grData)
+    }
+}

src/test/resources/testGraph.json

@@ -0,0 +1,23 @@
+{
+  "graph": {"nodes":[
+    {
+      "id": "node1",
+      "state": "A",
+      "hw": {
+        "storage": {
+          "w": 10,
+          "r": 1000
+        },
+        "net": {
+          "addr": "address",
+          "throughput": 20
+        }
+      }
+    }
+  ],"edges":[{
+    "head": "node2",
+    "tail": "node1"
+  }
+  ]
+  }
+}