test: add 2 workers more for jest and fix problem with test #78

Author: nodkz

package.json

@@ -93,7 +93,7 @@
     "build-flow": "echo `$1` && find ./src -name '*.js' -not -path '*/__*' | while read filepath; do cp $filepath `echo ./${COPY_TO_FOLDER:-lib}$filepath | sed 's/.\\/src\\//\\//g'`.flow; done",
     "build-ts": "find ./src -name '*.d.ts' -not -path '*/__*' | while read filepath; do cp $filepath `echo ./${COPY_TO_FOLDER:-lib}$filepath | sed 's/.\\/src\\//\\//g'`; done",
     "watch": "jest --watch",
-    "coverage": "jest --coverage --maxWorkers 2",
+    "coverage": "jest --coverage --maxWorkers 4",
     "lint": "npm run eslint && npm run tslint",
     "eslint": "eslint --ext .js ./src",
     "tslint": "tslint -p . \"src/**/*.d.ts\"",

src/__tests__/guthub_issues/78-test.js

@@ -1,9 +1,25 @@
 /* @flow */
 
 import mongoose from 'mongoose';
+import MongodbMemoryServer from 'mongodb-memory-server';
 import { schemaComposer, graphql } from 'graphql-compose';
 import { composeWithMongoose } from '../../index';
 
+let mongoServer;
+beforeAll(async () => {
+  mongoServer = new MongodbMemoryServer();
+  const mongoUri = await mongoServer.getConnectionString();
+  await mongoose.connect(
+    mongoUri,
+    { useNewUrlParser: true }
+  );
+});
+
+afterAll(() => {
+  mongoose.disconnect();
+  mongoServer.stop();
+});
+
 // May require additional time for downloading MongoDB binaries
 jasmine.DEFAULT_TIMEOUT_INTERVAL = 60000;