FIX: if a conversion group move to another user, this user will be added to the group

back/tests/getNearbyDescriptorsMatrixTest.ts

@@ -0,0 +1,67 @@
+import "jasmine";
+import { getNearbyDescriptorsMatrix } from "../src/Model/PositionNotifier";
+
+describe("getNearbyDescriptorsMatrix", () => {
+    it("should create a matrix of coordinates in a square around the parameter", () => {
+        const matrix = [];
+        for (const d of getNearbyDescriptorsMatrix({ i: 1, j: 1 })) {
+            matrix.push(d);
+        }
+
+        expect(matrix).toEqual([
+            { i: 0, j: 0 },
+            { i: 1, j: 0 },
+            { i: 2, j: 0 },
+            { i: 0, j: 1 },
+            { i: 1, j: 1 },
+            { i: 2, j: 1 },
+            { i: 0, j: 2 },
+            { i: 1, j: 2 },
+            { i: 2, j: 2 },
+        ]);
+    });
+
+    it("should create a matrix of coordinates in a square around the parameter bis", () => {
+        const matrix = [];
+        for (const d of getNearbyDescriptorsMatrix({ i: 8, j: 3 })) {
+            matrix.push(d);
+        }
+
+        expect(matrix).toEqual([
+            { i: 7, j: 2 },
+            { i: 8, j: 2 },
+            { i: 9, j: 2 },
+            { i: 7, j: 3 },
+            { i: 8, j: 3 },
+            { i: 9, j: 3 },
+            { i: 7, j: 4 },
+            { i: 8, j: 4 },
+            { i: 9, j: 4 },
+        ]);
+    });
+
+    it("should not create a matrix with negative coordinates", () => {
+        const matrix = [];
+        for (const d of getNearbyDescriptorsMatrix({ i: 0, j: 0 })) {
+            matrix.push(d);
+        }
+
+        expect(matrix).toEqual([
+            { i: 0, j: 0 },
+            { i: 1, j: 0 },
+            { i: 0, j: 1 },
+            { i: 1, j: 1 },
+        ]);
+    });
+
+    /*it("should not create a matrix with coordinates bigger than its dimmensions", () => {
+        const matrix = getNearbyDescriptorsMatrix({i: 4, j: 4}, 5, 5);
+
+        expect(matrix).toEqual([
+            {i: 3,j: 3},
+            {i: 4,j: 3},
+            {i: 3,j: 4},
+            {i: 4,j: 4},
+        ])
+    });*/
+});