Add body assertions for postBinary

It's failing for the stream case for the time being.

Author: Hyunje Jun

test/helpers/test-server.ts

@@ -28,7 +28,13 @@ function listen(port: number, middleware?: express.RequestHandler) {
     app.use(middleware);
   }
 
-  app.use(bodyParser.json());
+  app.use((req: express.Request, res, next) => {
+    if (req.path === "/post/binary") {
+      bodyParser.raw({ type: "*/*" })(req, res, next);
+    } else {
+      bodyParser.json({ type: "application/json" })(req, res, next);
+    }
+  });
 
   // for getIds API
   app.get("/:groupOrRoom/:id/members/ids", (req, res) => {
@@ -55,10 +61,16 @@ function listen(port: number, middleware?: express.RequestHandler) {
     } else if (req.path === "/404") {
       res.status(404).end();
     } else {
-      const keys = ["body", "headers", "method", "path", "query"];
-      res.json(
-        keys.reduce((r, k) => Object.assign(r, { [k]: (req as any)[k] }), {}),
+      const result: any = ["headers", "method", "path", "query"].reduce(
+        (r, k) => Object.assign(r, { [k]: (req as any)[k] }),
+        {},
       );
+      if (Buffer.isBuffer(req.body)) {
+        result.body = req.body.toString("base64");
+      } else {
+        result.body = req.body;
+      }
+      res.json(result);
     }
   });
 

test/http.spec.ts

@@ -98,12 +98,13 @@ describe("http", () => {
     const filepath = join(__dirname, "/helpers/line-icon.png");
     const buffer = readFileSync(filepath);
     return postBinary(
-      `${TEST_URL}/post`,
+      `${TEST_URL}/post/binary`,
       testHeaders,
       buffer,
     ).then((res: any) => {
       equal(res.method, "POST");
-      equal(res.path, "/post");
+      equal(res.path, "/post/binary");
+      equal(res.body, buffer.toString("base64"));
       equal(res.headers["test-header-key"], testHeaders["test-header-key"]);
       equal(res.headers["user-agent"], `${pkg.name}/${pkg.version}`);
       equal(res.headers["content-type"], "image/png");
@@ -114,19 +115,25 @@ describe("http", () => {
     const filepath = join(__dirname, "/helpers/line-icon.png");
     const buffer = readFileSync(filepath);
     return postBinary(
-      `${TEST_URL}/post`,
+      `${TEST_URL}/post/binary`,
       {},
       buffer,
       "image/jpeg",
     ).then((res: any) => {
+      equal(res.body, buffer.toString("base64"));
       equal(res.headers["content-type"], "image/jpeg");
     });
   });
 
   it("postBinary with stream", () => {
     const filepath = join(__dirname, "/helpers/line-icon.png");
     const stream = createReadStream(filepath);
-    return postBinary(`${TEST_URL}/post`, {}, stream).then((res: any) => {
+    return postBinary(
+      `${TEST_URL}/post/binary`,
+      {},
+      stream,
+    ).then((res: any) => {
+      equal(res.body, readFileSync(filepath).toString("base64"));
       equal(res.headers["content-type"], "image/png");
     });
   });