amaury.joly/listener-rss-agregators-tests
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Amaury
2021-07-03 12:47:06 +02:00
parent e5a0cc88c4
commit 8608e79859
8 changed files with 141 additions and 94 deletions
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2
src/index.ts
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@@ -1 +1 @@
export { ManageListener } from "./manage-listener";
export { ListenerRssAggregator } from "./listener-rss-aggregator";

98
src/listener-rss-aggregator.ts Normal file
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@@ -0,0 +1,98 @@
import EventEmitter from "events";
import { ListenerRss, ListenerRSSInfos } from "listener-rss";
import { SqliteTools } from "./sqlite-tools";
/**
* Permit to manage a ListenerRSS array, data storage and event aggregation
*/
export class ListenerRssAggregator extends EventEmitter {
private listenerArray: Map<string, ListenerRss> = new Map(); // renomer listenerMap
private looprunning: boolean = false;
private sqliteDb: SqliteTools;
constructor(path: string) {
super();
this.sqliteDb = new SqliteTools(path);
this.load();
}
async getAllConfigs(): Promise<ListenerRSSInfos[]> {
return await this.sqliteDb.fetchAll();
}
private async load() {
const configs = await this.getAllConfigs();
configs.forEach((config) => {
this.addNewListener(config);
});
}
private addNewListener(info: ListenerRSSInfos): ListenerRss {
const newListener = new ListenerRss(info);
this.listenerArray.set(newListener.address, newListener);
newListener.on("update", (obj) => this.emit("update", obj));
newListener.on("newEntries", (obj) => this.emit("newEntries", obj));
newListener.on("error", (err) => this.emit("error", err));
return newListener;
}
private removeOldListener(adr: string): void {
const oldListener = this.listenerArray.get(adr);
if (!oldListener) return;
oldListener.stop();
oldListener
.removeAllListeners("update")
.removeAllListeners("newEntries")
.removeAllListeners("error");
this.listenerArray.delete(adr);
}
async registerListener(info: ListenerRSSInfos) {
if (this.listenerArray.has(info.address)) return;
const listener = this.addNewListener(info);
await this.sqliteDb.insertListener(listener);
}
async unregisterListener(adr: string): Promise<void> {
if (!this.listenerArray.has(adr)) return;
this.removeOldListener(adr);
await this.sqliteDb.deleteListener(adr);
}
async saveOverride(expectedConfig: ListenerRSSInfos[]) {
const actualConfig = await this.getAllConfigs();
for (const newItem of expectedConfig.filter(
(item) => !actualConfig.includes(item)
))
this.registerListener(newItem);
for (const oldItem of actualConfig.filter(
(item) => !expectedConfig.includes(item)
))
this.unregisterListener(oldItem.address);
}
startAll(): void {
if (this.looprunning) return;
this.looprunning = true;
for (const item of this.listenerArray.values()) item.start();
}
stopAll(): void {
if (!this.looprunning) return;
this.looprunning = false;
for (const item of this.listenerArray.values()) item.stop();
}
}

64
src/manage-listener.ts
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@@ -1,64 +0,0 @@
import EventEmitter from "events";
import { ListenerRss, ListenerRSSInfos } from "listener-rss";
import { SqliteTools } from "./sqlite-tools";
/**
* Permit to manage a ListenerRSS array, data storage and event aggregation
*/
export class ManageListener extends EventEmitter {
listenerArray: ListenerRss[] = [];
looprunning: boolean = false;
sqliteDb: SqliteTools;
constructor(path: string) {
super();
this.sqliteDb = new SqliteTools(path);
}
async load() {
await this.sqliteDb.ensureTableExists();
const configs: ListenerRSSInfos[] = await this.sqliteDb.fetchAll();
configs.forEach((config) => {
this.addNewListener(config);
});
}
private addNewListener(info: ListenerRSSInfos) : ListenerRss {
const newListener = new ListenerRss(info);
this.listenerArray.push(newListener);
newListener.on("update", (obj) => this.emit("update", obj));
newListener.on("newEntries", (obj) => this.emit("newEntries", obj));
newListener.on("error", (err) => this.emit("error", err));
return newListener;
}
async registerListener(info: ListenerRSSInfos) {
const listener = this.addNewListener(info);
await this.sqliteDb.insertListener(listener);
}
async save() {
await this.sqliteDb.updateAll(
this.listenerArray.map((listener) => listener.getProperty())
);
}
startAll(): void {
if (!this.looprunning) {
this.looprunning = true;
this.listenerArray.forEach((listener) => listener.start());
}
}
stopAll(): void {
if (this.looprunning) {
this.looprunning = false;
this.listenerArray.forEach((listener) => listener.stop());
}
}
}

15
src/sqlite-tools.ts
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@@ -9,7 +9,9 @@ export class SqliteTools {
this.path = path;
}
async withDB<Type>(callback: (db: DatabaseConnection) => Promise<Type>): Promise<Type> {
async withDB<Type>(
callback: (db: DatabaseConnection) => Promise<Type>
): Promise<Type> {
const db = connect(this.path);
try {
return callback(db);
@@ -29,13 +31,12 @@ export class SqliteTools {
PRIMARY KEY (address),
CHECK(timeloop >= 0)
);`;
await db.query(req);
});
}
async fetchAll(): Promise<ListenerRSSInfos[]> {
const rows = await this.withDB(async (db) => {
let req = sql`SELECT *
FROM listeners`;
@@ -61,6 +62,14 @@ export class SqliteTools {
});
}
async deleteListener(adr: string) {
await this.withDB(async (db) => {
let req = sql`DELETE FROM listeners
WHERE address = ${adr}`;
await db.query(req);
});
}
async updateAll(listeners: ListenerRSSInfos[]) {
await this.withDB(async (db) => {
await db.tx(async (transaction) => {

10
tests/index-spec.ts
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@@ -2,7 +2,7 @@
import { ListenerRss, ListenerRSSInfos } from "listener-rss";
// local lib
import { ManageListener } from "../src/";
import { ListenerRssAggregator } from "../src/";
// Unit test
import { join as joinPath } from "path";
@@ -29,14 +29,14 @@ describe("test class ManageListener", function () {
it("should save the inserted objects", async function () {
await withFile(async ({ path }) => {
// given
const ml = new ManageListener(path);
const ml = new ListenerRssAggregator(path);
await ml.load();
for (const item of dataWithoutHistory) await ml.registerListener(item);
// when
ml.save();
const ml_bis = new ManageListener(path);
const ml_bis = new ListenerRssAggregator(path);
await ml_bis.load();
// expect
@@ -60,7 +60,7 @@ describe("test class ManageListener", function () {
await withFile(async ({ path }) => {
// given
const clock = sinon.useFakeTimers();
const ml = new ManageListener(path);
const ml = new ListenerRssAggregator(path);
await ml.load();
for (const item of dataWithoutHistory) await ml.registerListener(item);
@@ -150,7 +150,7 @@ describe("test class ManageListener", function () {
await withFile(async ({ path }) => {
// given
const clock = sinon.useFakeTimers();
const ml = new ManageListener(path);
const ml = new ListenerRssAggregator(path);
await ml.load();
for (const item of dataWithHistory) await ml.registerListener(item);

6
tests/sqlite-tools-spec.ts
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@@ -17,8 +17,8 @@ const dataWithoutHistory = dataWithHistory.map((data) => ({
...data,
lastEntriesLinks: [],
}));
describe("test sqlite tools class", () => {
it("should create a .db file and fill him", async () => {
describe("test sqlite tools class", function () {
it("should create a .db file and fill him", async function () {
await withFile(async ({ path }) => {
// given
const dbTools = new SqliteTools(path);
@@ -37,7 +37,7 @@ describe("test sqlite tools class", () => {
});
});
it("should update the values of the databases", async () => {
it("should update the values of the databases", async function () {
await withFile(async ({ path }) => {
// given
const dbTools = new SqliteTools(path);

16
tsconfig.base.json
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@@ -4,8 +4,8 @@
/* Basic Options */
// "incremental": true, /* Enable incremental compilation */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
"target": "es5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */,
"module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
// "lib": [], /* Specify library files to be included in the compilation. */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */
@@ -21,11 +21,11 @@
// "removeComments": true, /* Do not emit comments to output. */
// "noEmit": true, /* Do not emit outputs. */
// "importHelpers": true, /* Import emit helpers from 'tslib'. */
// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
"downlevelIteration": true /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */,
// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
/* Strict Type-Checking Options */
"strict": true, /* Enable all strict type-checking options. */
"strict": true /* Enable all strict type-checking options. */,
// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* Enable strict null checks. */
// "strictFunctionTypes": true, /* Enable strict checking of function types. */
@@ -51,7 +51,7 @@
// "typeRoots": [], /* List of folders to include type definitions from. */
// "types": [], /* Type declaration files to be included in compilation. */
// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
"esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
"esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
@@ -66,7 +66,7 @@
// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
/* Advanced Options */
"skipLibCheck": true, /* Skip type checking of declaration files. */
"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
"skipLibCheck": true /* Skip type checking of declaration files. */,
"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
}
}
}

24
tsconfig.json
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@@ -1,11 +1,15 @@
{
"extends": "./tsconfig.base.json",
"compilerOptions": {
"declaration": true, /* Generates corresponding '.d.ts' file. */
"declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
"outDir": "./build/", /* Redirect output structure to the directory. */
"rootDir": "./src/", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
},
"files": ["./src/index.ts", "./src/manage-listener.ts", "./src/sqlite-tools.ts"],
"exclude": ["./tests/**/*"]
}
"extends": "./tsconfig.base.json",
"compilerOptions": {
"declaration": true /* Generates corresponding '.d.ts' file. */,
"declarationMap": true /* Generates a sourcemap for each corresponding '.d.ts' file. */,
"outDir": "./build/" /* Redirect output structure to the directory. */,
"rootDir": "./src/" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
},
"files": [
"./src/index.ts",
"src/listener-rss-aggregator.ts",
"./src/sqlite-tools.ts"
],
"exclude": ["./tests/**/*"]
}