diff --git a/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/AStarTest.java b/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/AStarTest.java
new file mode 100644
index 0000000..9bd6516
--- /dev/null
+++ b/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/AStarTest.java
@@ -0,0 +1,30 @@
+package org.insa.graphs.algorithm.utils;
+
+import org.insa.graphs.algorithm.shortestpath.AStarAlgorithm;
+import org.insa.graphs.algorithm.shortestpath.BellmanFordAlgorithm;
+import org.insa.graphs.algorithm.shortestpath.DijkstraAlgorithm;
+import org.insa.graphs.algorithm.shortestpath.ShortestPathData;
+
+import java.util.ArrayList;
+
+public class AStarTest extends AlgoTest {
+
+    protected void computeValidPathSolutions() {
+        this.validPathSolutionList = new ArrayList<>();
+        validPathOptimalSolutionList = new ArrayList<>();
+        for (ShortestPathData path : validPathList) {
+            validPathSolutionList.add(new AStarAlgorithm(path).run());
+            validPathOptimalSolutionList.add(new BellmanFordAlgorithm(path).run());
+        }
+    }
+
+    protected void computeInvalidPathSolutions() {
+        invalidPathSolutionList = new ArrayList<>();
+        invalidPathOptimalSolutionList = new ArrayList<>();
+        for (ShortestPathData path : invalidPathList) {
+            invalidPathSolutionList.add(new AStarAlgorithm(path).run());
+            invalidPathOptimalSolutionList.add(new BellmanFordAlgorithm(path).run());
+        }
+    }
+
+}
diff --git a/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/AlgoTest.java b/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/AlgoTest.java
new file mode 100644
index 0000000..5c39f42
--- /dev/null
+++ b/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/AlgoTest.java
@@ -0,0 +1,163 @@
+package org.insa.graphs.algorithm.utils;
+
+import org.insa.graphs.algorithm.ArcInspector;
+import org.insa.graphs.algorithm.ArcInspectorFactory;
+import org.insa.graphs.algorithm.shortestpath.ShortestPathData;
+import org.insa.graphs.algorithm.shortestpath.ShortestPathSolution;
+import org.insa.graphs.model.Graph;
+import org.insa.graphs.model.io.BinaryGraphReader;
+import org.insa.graphs.model.io.GraphReader;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.BufferedInputStream;
+import java.io.DataInputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import static org.junit.Assert.*;
+
+public abstract class AlgoTest {
+    private static ArcInspector filterLength, filterTime;
+
+    protected ArrayList<ShortestPathData> validPathList;
+    protected ArrayList<ShortestPathSolution> validPathSolutionList;
+    protected ArrayList<ShortestPathSolution> validPathOptimalSolutionList;
+
+    protected ArrayList<ShortestPathData> invalidPathList;
+    protected ArrayList<ShortestPathSolution> invalidPathSolutionList;
+    protected ArrayList<ShortestPathSolution> invalidPathOptimalSolutionList;
+
+    // List of graphs
+    @SuppressWarnings("unused")
+    private Graph graphInsa, graphSquare, graphBretagne;
+
+    private Graph readGraph(String map) throws IOException {
+        final GraphReader reader = new BinaryGraphReader(
+                new DataInputStream(new BufferedInputStream(new FileInputStream(map))));
+        return reader.read();
+    }
+
+    private void initGraphs() throws IOException {
+        graphInsa = readGraph("../Maps/insa.mapgr");
+        graphSquare = readGraph("../Maps/carre.mapgr");
+        graphBretagne = readGraph("../Maps/bretagne.mapgr");
+    }
+
+    private void initFilters() {
+        filterLength = ArcInspectorFactory.getAllFilters().get(0);
+        filterTime = ArcInspectorFactory.getAllFilters().get(2);
+    }
+
+    private void initValidPathList() {
+        validPathList = new ArrayList<>();
+
+        validPathList.add(new ShortestPathData(
+                graphInsa,
+                graphInsa.getNodes().get(512),
+                graphInsa.getNodes().get(526),
+                filterLength));
+        validPathList.add(new ShortestPathData(
+                graphInsa,
+                graphInsa.getNodes().get(512),
+                graphInsa.getNodes().get(526),
+                filterTime));
+        validPathList.add(new ShortestPathData(
+                graphSquare,
+                graphSquare.getNodes().get(21),
+                graphSquare.getNodes().get(17),
+                filterLength));
+        validPathList.add(new ShortestPathData(
+                graphSquare,
+                graphSquare.getNodes().get(21),
+                graphSquare.getNodes().get(17),
+                filterTime));
+    }
+
+    private void initInvalidPathList() {
+        invalidPathList = new ArrayList<>();
+
+        invalidPathList.add(new ShortestPathData(
+                graphBretagne,
+                graphBretagne.getNodes().get(29270),
+                graphBretagne.getNodes().get(545599),
+                filterLength));
+
+        invalidPathList.add(new ShortestPathData(
+                graphBretagne,
+                graphBretagne.getNodes().get(29270),
+                graphBretagne.getNodes().get(545599),
+                filterTime));
+
+        invalidPathList.add(new ShortestPathData(
+                graphSquare,
+                graphSquare.getNodes().get(10),
+                graphSquare.getNodes().get(10),
+                filterLength));
+
+        invalidPathList.add(new ShortestPathData(
+                graphSquare,
+                graphSquare.getNodes().get(10),
+                graphSquare.getNodes().get(10),
+                filterTime));
+    }
+
+    @Before
+    public void init() {
+        initFilters();
+        try {
+            initGraphs();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        initValidPathList();
+        initInvalidPathList();
+
+        computeValidPathSolutions();
+        computeInvalidPathSolutions();
+    }
+
+    protected abstract void computeValidPathSolutions();
+
+    protected abstract void computeInvalidPathSolutions();
+
+    @Test
+    public void testPathValid() {
+        for (ShortestPathSolution solution : validPathSolutionList) {
+            assertTrue(solution.isFeasible());
+            assertTrue(solution.getPath().isValid());
+        }
+    }
+
+    @Test
+    public void testPathInvalid() {
+        for (ShortestPathSolution solution : invalidPathSolutionList) {
+            assertFalse(solution.isFeasible());
+        }
+    }
+
+    @Test
+    public void testPathOptimalWithOracle() {
+        for (int i = 0; i < validPathSolutionList.size(); i++) {
+            System.out.println(i);
+            assertEquals(
+                    validPathSolutionList.get(i).getPath().getLength(),
+                    validPathOptimalSolutionList.get(i).getPath().getLength(), 0.0
+            );
+            assertEquals(
+                    validPathSolutionList.get(i).getPath().getMinimumTravelTime(),
+                    validPathOptimalSolutionList.get(i).getPath().getMinimumTravelTime(), 0.0
+            );
+        }
+        for (int i = 0; i < invalidPathSolutionList.size(); i++) {
+            assertEquals(validPathSolutionList.get(i).isFeasible(),
+                    validPathOptimalSolutionList.get(i).isFeasible());
+        }
+    }
+
+    @Test
+    public void testPathOptimalWithoutOracle() {
+        // TODO
+    }
+}
diff --git a/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/DijkstraTest.java b/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/DijkstraTest.java
index da6560c..b23b77f 100644
--- a/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/DijkstraTest.java
+++ b/be-graphes-algos/src/test/java/org/insa/graphs/algorithm/utils/DijkstraTest.java
@@ -1,129 +1,15 @@
 package org.insa.graphs.algorithm.utils;
 
-import org.insa.graphs.algorithm.ArcInspector;
-import org.insa.graphs.algorithm.ArcInspectorFactory;
 import org.insa.graphs.algorithm.shortestpath.BellmanFordAlgorithm;
 import org.insa.graphs.algorithm.shortestpath.DijkstraAlgorithm;
 import org.insa.graphs.algorithm.shortestpath.ShortestPathData;
-import org.insa.graphs.algorithm.shortestpath.ShortestPathSolution;
-import org.insa.graphs.model.Graph;
-import org.insa.graphs.model.io.BinaryGraphReader;
-import org.insa.graphs.model.io.GraphReader;
-import org.junit.Assume;
-import org.junit.BeforeClass;
-import org.junit.Test;
 
-import java.io.BufferedInputStream;
-import java.io.DataInputStream;
-import java.io.FileInputStream;
-import java.io.IOException;
 import java.util.ArrayList;
 
-import static org.junit.Assert.*;
+public class DijkstraTest extends AlgoTest {
 
-public class DijkstraTest {
-
-    private static ArcInspector filterLength, filterTime;
-
-    private static ArrayList<ShortestPathData> validPathList;
-    private static ArrayList<ShortestPathSolution> validPathSolutionList;
-    private static ArrayList<ShortestPathSolution> validPathOptimalSolutionList;
-
-    private static ArrayList<ShortestPathData> invalidPathList;
-    private static ArrayList<ShortestPathSolution> invalidPathSolutionList;
-    private static ArrayList<ShortestPathSolution> invalidPathOptimalSolutionList;
-
-    // List of graphs
-    @SuppressWarnings("unused")
-    private static Graph graphInsa, graphSquare, graphBretagne;
-
-    private static Graph readGraph(String map) throws IOException {
-        final GraphReader reader = new BinaryGraphReader(
-                new DataInputStream(new BufferedInputStream(new FileInputStream(map))));
-        return reader.read();
-    }
-
-    private static void initGraphs() throws IOException {
-        graphInsa = readGraph("../Maps/insa.mapgr");
-        graphSquare = readGraph("../Maps/carre.mapgr");
-        graphBretagne = readGraph("../Maps/bretagne.mapgr");
-    }
-
-    private static void initFilters() {
-        filterLength = ArcInspectorFactory.getAllFilters().get(0);
-        filterTime = ArcInspectorFactory.getAllFilters().get(2);
-    }
-
-    private static void initValidPathList() {
-        validPathList = new ArrayList<>();
-
-        validPathList.add(new ShortestPathData(
-                graphInsa,
-                graphInsa.getNodes().get(512),
-                graphInsa.getNodes().get(526),
-                filterLength));
-        validPathList.add(new ShortestPathData(
-                graphInsa,
-                graphInsa.getNodes().get(512),
-                graphInsa.getNodes().get(526),
-                filterTime));
-        validPathList.add(new ShortestPathData(
-                graphSquare,
-                graphSquare.getNodes().get(21),
-                graphSquare.getNodes().get(17),
-                filterLength));
-        validPathList.add(new ShortestPathData(
-                graphSquare,
-                graphSquare.getNodes().get(21),
-                graphSquare.getNodes().get(17),
-                filterTime));
-    }
-
-    private static void initInvalidPathList() {
-        invalidPathList = new ArrayList<>();
-
-        invalidPathList.add(new ShortestPathData(
-                graphBretagne,
-                graphBretagne.getNodes().get(29270),
-                graphBretagne.getNodes().get(545599),
-                filterLength));
-
-        invalidPathList.add(new ShortestPathData(
-                graphBretagne,
-                graphBretagne.getNodes().get(29270),
-                graphBretagne.getNodes().get(545599),
-                filterTime));
-
-        invalidPathList.add(new ShortestPathData(
-                graphSquare,
-                graphSquare.getNodes().get(10),
-                graphSquare.getNodes().get(10),
-                filterLength));
-
-        invalidPathList.add(new ShortestPathData(
-                graphSquare,
-                graphSquare.getNodes().get(10),
-                graphSquare.getNodes().get(10),
-                filterTime));
-    }
-
-    @BeforeClass
-    public static void initAll() {
-        initFilters();
-        try {
-            initGraphs();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        initValidPathList();
-        initInvalidPathList();
-
-        computeValidPathSolutions();
-        computeInvalidPathSolutions();
-    }
-
-    private static void computeValidPathSolutions() {
-        validPathSolutionList = new ArrayList<>();
+    protected void computeValidPathSolutions() {
+        this.validPathSolutionList = new ArrayList<>();
         validPathOptimalSolutionList = new ArrayList<>();
         for (ShortestPathData path : validPathList) {
             validPathSolutionList.add(new DijkstraAlgorithm(path).run());
@@ -131,7 +17,7 @@ public class DijkstraTest {
         }
     }
 
-    private static void computeInvalidPathSolutions() {
+    protected void computeInvalidPathSolutions() {
         invalidPathSolutionList = new ArrayList<>();
         invalidPathOptimalSolutionList = new ArrayList<>();
         for (ShortestPathData path : invalidPathList) {
@@ -140,41 +26,4 @@ public class DijkstraTest {
         }
     }
 
-    @Test
-    public void testPathValid() {
-        for (ShortestPathSolution solution : validPathSolutionList) {
-            assertTrue(solution.isFeasible());
-            assertTrue(solution.getPath().isValid());
-        }
-    }
-
-    @Test
-    public void testPathInvalid() {
-        for (ShortestPathSolution solution : invalidPathSolutionList) {
-            assertFalse(solution.isFeasible());
-        }
-    }
-
-    @Test
-    public void testPathOptimalWithOracle() {
-        for (int i = 0; i < validPathSolutionList.size(); i++) {
-            assertEquals(
-                    validPathSolutionList.get(i).getPath().getLength(),
-                    validPathOptimalSolutionList.get(i).getPath().getLength(), 0.0
-            );
-            assertEquals(
-                    validPathSolutionList.get(i).getPath().getMinimumTravelTime(),
-                    validPathOptimalSolutionList.get(i).getPath().getMinimumTravelTime(), 0.0
-            );
-        }
-        for (int i = 0; i < invalidPathSolutionList.size(); i++) {
-            assertEquals(validPathSolutionList.get(i).isFeasible(),
-                    validPathOptimalSolutionList.get(i).isFeasible());
-        }
-    }
-
-    @Test
-    public void testPathOptimalWithoutOracle() {
-        // TODO
-    }
 }