added nearly complete p2p implementation

src/tests/qdbUtils.test.ts

@@ -0,0 +1,38 @@
+import { getAvailableQdbIndexes } from '../utils/qdbUtils'
+import { emptyQdb } from './testData'
+
+test('getAvailableQdbIndexes works, normal order', () => {
+    const qdbs = [0, 1, 2, 3, 4].map((x) => {
+        return { ...emptyQdb, index: x }
+    })
+    const [index] = getAvailableQdbIndexes(qdbs)
+
+    expect(index).toBe(5)
+})
+
+test('getAvailableQdbIndexes works, one missing', () => {
+    const qdbs = [0, 1, 2, 3, 5].map((x) => {
+        return { ...emptyQdb, index: x }
+    })
+    const [index] = getAvailableQdbIndexes(qdbs)
+
+    expect(index).toBe(4)
+})
+
+test('getAvailableQdbIndexes works, empty qdb', () => {
+    const [index] = getAvailableQdbIndexes([])
+
+    expect(index).toBe(0)
+})
+
+test('getAvailableQdbIndexes works, multiple count', () => {
+    const qdbs = [0, 1, 2, 3, 5].map((x) => {
+        return { ...emptyQdb, index: x }
+    })
+    let indexes = getAvailableQdbIndexes(qdbs)
+    expect(indexes.length).toBe(1)
+    expect(indexes[0]).toBe(4)
+
+    indexes = getAvailableQdbIndexes(qdbs, 5)
+    expect(indexes).toStrictEqual([4, 6, 7, 8, 9])
+})