From f3523d1b1ccda970f59dc1781671078cbd307cf1 Mon Sep 17 00:00:00 2001
From: InversionSpaces <inversionspaces@vivaldi.net>
Date: Wed, 18 Oct 2023 15:40:01 +0000
Subject: [PATCH] Quickstart test

---
 test/config.ts           | 41 +++++++++++++++++++++++
 test/integration.test.ts | 29 +++++++++++++---
 test/utils.ts            | 71 ++++++++++++++++++++++++++++++++++++++--
 3 files changed, 133 insertions(+), 8 deletions(-)
 create mode 100644 test/config.ts

diff --git a/test/config.ts b/test/config.ts
new file mode 100644
index 0000000..fef3102
--- /dev/null
+++ b/test/config.ts
@@ -0,0 +1,41 @@
+/**
+ * Copyright 2023 Fluence Labs Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { promises as fs } from "fs";
+
+export const CONFIG_PATH = "./gateway/configs/quickstart_config.json";
+
+/**
+ * Part of the config that is used for the integration tests.
+ */
+export interface GatewayConfig {
+  providers: string[];
+  port: number;
+  mode: string;
+}
+
+export async function readConfig(): Promise<GatewayConfig> {
+  const file = await fs.readFile(CONFIG_PATH);
+  return JSON.parse(file.toString());
+}
+
+export async function updateConfig(
+  update: Partial<GatewayConfig>
+): Promise<void> {
+  const current = await readConfig();
+  const newConfig = { ...current, ...update };
+  await fs.writeFile(CONFIG_PATH, JSON.stringify(newConfig, null, 2));
+}
diff --git a/test/integration.test.ts b/test/integration.test.ts
index 014181f..451f9ef 100644
--- a/test/integration.test.ts
+++ b/test/integration.test.ts
@@ -14,12 +14,31 @@
  * limitations under the License.
  */
 
-import { fluence } from "./utils";
+import { startGateway } from "./utils";
 
 describe("integration tests", () => {
-  it("should run integration tests", async () => {
-    const output = await fluence("build");
-    console.log(output);
-    expect(true).toBeTruthy();
+  it("should run quickstart", async () => {
+    const gateway = await startGateway();
+    try {
+      const request = {
+        jsonrpc: "2.0",
+        method: "eth_blockNumber",
+        params: [],
+        id: 100,
+      };
+      const response = await gateway.request(request);
+      expect(response).toMatchObject({
+        jsonrpc: "2.0",
+        id: 100,
+        result: expect.any(String),
+      });
+    } finally {
+      expect(gateway.stop()).toBeTruthy();
+    }
+
+    // @ts-ignore
+    console.log(process._getActiveHandles());
+    // @ts-ignore
+    console.log(process._getActiveRequests());
   });
 });
diff --git a/test/utils.ts b/test/utils.ts
index 575ea24..cc040d8 100644
--- a/test/utils.ts
+++ b/test/utils.ts
@@ -14,11 +14,17 @@
  * limitations under the License.
  */
 
-import { execFile } from "child_process";
+import { relative } from "path";
+import { execFile, ChildProcess } from "child_process";
 
-export async function fluence(...args: string[]): Promise<[string, string]> {
+import { CONFIG_PATH, readConfig } from "./config";
+
+export async function execute(
+  cmd: string,
+  ...args: string[]
+): Promise<[string, string]> {
   return new Promise((resolve, reject) => {
-    execFile("fluence", args, (error, stdout, stderr) => {
+    execFile(cmd, args, (error, stdout, stderr) => {
       if (error) {
         reject(error);
       }
@@ -27,3 +33,62 @@ export async function fluence(...args: string[]): Promise<[string, string]> {
     });
   });
 }
+
+export async function fluence(...args: string[]): Promise<[string, string]> {
+  return execute("fluence", ...args);
+}
+
+export class Gateway {
+  constructor(
+    private readonly gateway: ChildProcess,
+    private readonly port: number
+  ) {}
+
+  public stop(): boolean {
+    if (this.gateway.stdin) {
+      this.gateway.stdin.end();
+    }
+    if (this.gateway.stdout) {
+      this.gateway.stdout.destroy();
+    }
+    if (this.gateway.stderr) {
+      this.gateway.stderr.destroy();
+    }
+    if (this.gateway.pid) {
+      process.kill(this.gateway.pid);
+    }
+    return this.gateway.kill();
+  }
+
+  public async request(json: any): Promise<any> {
+    const response = await fetch(`http://localhost:${this.port}`, {
+      method: "POST",
+      body: JSON.stringify(json),
+      headers: {
+        "Content-Type": "application/json",
+        Accept: "application/json",
+      },
+    });
+
+    return await response.json();
+  }
+}
+
+export async function startGateway(): Promise<Gateway> {
+  const GATEWAY_DIR = "./gateway";
+  const configPath = relative(GATEWAY_DIR, CONFIG_PATH);
+
+  const config = await readConfig();
+  const gateway = execFile("npm", [
+    "-C",
+    GATEWAY_DIR,
+    "run",
+    "run",
+    configPath,
+  ]);
+
+  // Hack: wait till gateway is ready
+  await new Promise((resolve) => setTimeout(resolve, 5000));
+
+  return new Gateway(gateway, config.port);
+}