Add unit test for uploader.spec.ts

Author: joehan

src/deploy/hosting/uploader.spec.ts

@@ -0,0 +1,126 @@
+import { expect } from "chai";
+import * as sinon from "sinon";
+import * as fs from "fs";
+import * as zlib from "zlib";
+import { Uploader } from "./uploader";
+import { Client } from "../../apiv2";
+import * as hashcache from "./hashcache";
+
+describe("deploy/hosting/uploader", () => {
+  let clientPostStub: sinon.SinonStub;
+  let clientRequestStub: sinon.SinonStub;
+
+  class MockQueue {
+    public handler: any;
+    private promises: Promise<void>[] = [];
+    constructor(options: any) {
+      this.handler = options.handler;
+    }
+    add(item: any) {
+      const p = Promise.resolve(this.handler(item));
+      this.promises.push(p);
+    }
+    process() { }
+    async wait() {
+      await Promise.all(this.promises);
+      return Promise.resolve();
+    }
+    close() { }
+    stats() {
+      return { total: 0, complete: 0, cursor: 0 };
+    }
+  }
+
+  beforeEach(() => {
+    sinon.stub(fs, "statSync");
+    sinon.stub(fs, "createReadStream");
+    sinon.stub(zlib, "createGzip");
+    clientPostStub = sinon.stub(Client.prototype, "post");
+    clientRequestStub = sinon.stub(Client.prototype, "request");
+    sinon.stub(hashcache, "load").returns(new Map());
+    sinon.stub(hashcache, "dump");
+  });
+
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  it("should initialize correctly", () => {
+    const uploader = new Uploader({
+      version: "v1",
+      projectRoot: "root",
+      files: ["file1.txt"],
+      public: "public",
+    });
+    expect(uploader).to.be.instanceOf(Uploader);
+  });
+
+  it("should hash files and populate version", async () => {
+    const uploader = new Uploader({
+      version: "v1",
+      projectRoot: "root",
+      files: ["file1.txt", "file2.txt"],
+      public: "public",
+    });
+    (uploader as any).hashQueue = new MockQueue({ handler: (uploader as any).hashHandler.bind(uploader) });
+    (uploader as any).populateQueue = new MockQueue({ handler: (uploader as any).populateHandler.bind(uploader) });
+    (uploader as any).uploadQueue = new MockQueue({ handler: (uploader as any).uploadHandler.bind(uploader) });
+
+    (fs.statSync as sinon.SinonStub).returns({ mtime: new Date(), size: 100 });
+    const { PassThrough, Readable } = require("stream");
+
+    // Mock stream for file1.txt
+    const mockStream1 = new Readable({
+      read() {
+        this.push(Buffer.from("hash1"));
+        this.push(null);
+      },
+    });
+    // Mock stream for file2.txt
+    const mockStream2 = new Readable({
+      read() {
+        this.push(Buffer.from("hash2"));
+        this.push(null);
+      },
+    });
+
+    (zlib.createGzip as sinon.SinonStub).callsFake(() => new PassThrough());
+    (fs.createReadStream as sinon.SinonStub).callsFake((filePath: string) => {
+      if (filePath.includes("file1.txt")) {
+        return new Readable({
+          read() {
+            this.push(Buffer.from("hash1"));
+            this.push(null);
+          },
+        });
+      }
+      if (filePath.includes("file2.txt")) {
+        return new Readable({
+          read() {
+            this.push(Buffer.from("hash2"));
+            this.push(null);
+          },
+        });
+      }
+      return new PassThrough();
+    });
+
+    clientPostStub.resolves({
+      body: {
+        uploadUrl: "https://upload.url",
+        uploadRequiredHashes: [
+          "af316ecb91a8ee7ae99210702b2d4758f30cdde3bf61e3d8e787d74681f90a6e", // hash for "hash1"
+          "e7bf382f6e5915b3f88619b866223ebf1d51c4c5321cccde2e9ff700a3259086"  // hash for "hash2"
+        ]
+      },
+    });
+    clientRequestStub.resolves({ status: 200, response: { text: sinon.stub().resolves("") } });
+
+    await uploader.start();
+
+    expect(clientPostStub.calledWithMatch(/\/v1:populateFiles/)).to.be.true;
+    expect(clientPostStub.firstCall.args[1].files).to.have.property("/file1.txt");
+    expect(clientPostStub.firstCall.args[1].files).to.have.property("/file2.txt");
+    expect(clientRequestStub.calledTwice).to.be.true;
+  });
+});