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packages/rpc-provider/test/mockHttp.ts

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+// Copyright 2017-2019 @polkadot/rpc-provider authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import nock from 'nock';
+
+const TEST_HTTP_URL = 'http://localhost:9944';
+
+function mockHttp (requests: any[]) {
+  nock.cleanAll();
+
+  return requests.reduce((scope, request: any, index: number) => {
+    return scope
+      .post('/')
+      .reply(request.code || 200, (uri: string, body: { id: string }) => {
+        scope.body = scope.body || {};
+        scope.body[request.method] = body;
+
+        return Object.assign({ id: body.id, jsonrpc: '2.0' }, request.reply || {});
+      });
+  }, nock(TEST_HTTP_URL));
+}
+
+export {
+  TEST_HTTP_URL,
+  mockHttp
+};

packages/rpc-provider/test/mockWs.ts

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+// Copyright 2017-2019 @polkadot/rpc-provider authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { Server } from 'mock-socket';
+
+const TEST_WS_URL = 'ws://localhost:9955';
+
+let server: Server;
+
+type ErrorDef = {
+  id: number,
+  error: {
+    code: number,
+    message: string
+  }
+};
+
+type ReplyDef = {
+  id: number,
+  reply: {
+    result: any
+  }
+};
+
+function createError ({ id, error: { code, message } }: ErrorDef) {
+  return {
+    id,
+    jsonrpc: '2.0',
+    error: {
+      code,
+      message
+    }
+  };
+}
+
+function createReply ({ id, reply: { result } }: ReplyDef) {
+  return {
+    id,
+    jsonrpc: '2.0',
+    result
+  };
+}
+
+function mockWs (requests: Array<{ method: string }>) {
+  server = new Server(TEST_WS_URL);
+
+  let requestCount = 0;
+  const scope: { body: { [index: string]: {} }, requests: number, server: Server, done: any } = {
+    body: {},
+    requests: 0,
+    server,
+    done: () =>
+      server.stop(() => {
+        // ignore
+      })
+  };
+
+  server.on('connection', (socket) => {
+    // @ts-ignore definitions are wrong, this is 'on', not 'onmessage'
+    socket.on('message', (body: {}) => {
+      const request = requests[requestCount];
+      // @ts-ignore Yes, SHOULD be fixed, this is a mess
+      const response = request.error
+        // @ts-ignore Yes, SHOULD be fixed, this is a mess
+        ? createError(request)
+        // @ts-ignore Yes, SHOULD be fixed, this is a mess
+        : createReply(request);
+
+      scope.body[request.method] = body;
+      requestCount++;
+
+      socket.send(JSON.stringify(response));
+    });
+  });
+
+  return scope;
+}
+
+export {
+  TEST_WS_URL,
+  mockWs
+};