[WIP] test(export): Add basic test for export

.circleci/config.yml

@@ -3,6 +3,7 @@ jobs:
   build:
     docker:
       - image: circleci/node:8.12
+      - image: circleci/mongo:3.4
 
     steps:
       - checkout
@@ -23,8 +24,14 @@ jobs:
       - run: npm run test
 
       ## Process test artifacts (reports, coverage etc)
+      - store_test_results:
+          path: test-results
+      - store_artifacts:
+          path: test-results
       - store_artifacts:
           path: mochawesome-report
-      - run: (cat ./coverage/lcov.info | npx coveralls) || true
       - store_artifacts:
           path: coverage
+      - run:
+          name: Upload code coverage
+          command: (cat ./coverage/lcov.info | npx coveralls) || true

.gitignore

@@ -3,6 +3,10 @@ data
 package-lock.json
 yarn.lock
 .vscode
+
+## Test results, code coverage etc
 coverage
 .nyc_output
 mochawesome-report
+test-results
+.env

lib/utils/typecast.js

@@ -36,7 +36,7 @@ function wrapSingleValue(value) {
 
   const wrapped = {
     type: detectedType,
-    value: value
+    value
   };
 
   return wrapped;

package.json

@@ -16,8 +16,8 @@
     "migrate"
   ],
   "scripts": {
-    "lint": "./node_modules/.bin/eslint .",
-    "test": "nyc mocha"
+    "lint": "eslint *.js lib/**/*.js test/**/*.js",
+    "test": "npm run lint && nyc mocha"
   },
   "main": "index.js",
   "bin": {
@@ -43,11 +43,17 @@
     "mongodb": "^3.0.10"
   },
   "devDependencies": {
+    "chai": "^4.2.0",
+    "dotenv": "^6.1.0",
     "eslint": "^4.19.1",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-plugin-import": "^2.9.0",
+    "mkdirp": "^0.5.1",
     "mocha": "^5.2.0",
+    "mocha-junit-reporter": "^1.18.0",
+    "mocha-multi-reporters": "^1.1.7",
     "mochawesome": "^3.1.1",
-    "nyc": "^13.1.0"
+    "nyc": "^13.1.0",
+    "rimraf": "^2.6.2"
   }
 }

test/lib.test.js

@@ -1,8 +1,45 @@
+const assert = require('chai').assert;
+require('dotenv').config();
+
 const dbclone = require('../lib');
+const rimraf = require('rimraf');
+const mkdirp = require('mkdirp');
+
+const DATADIR = `data/${Math.random().toString(36).slice(2)}`;
+const TEST_MLAB_URL = process.env.TEST_MLAB_URL;
+const getDBNameFromURL = URL => URL.slice(URL.lastIndexOf('/') + 1);
+
+before(() => {
+  if (!TEST_MLAB_URL) {
+    throw new Error('TEST_MLAB_URL env var must be specified');
+  }
+  rimraf.sync('data');
+  mkdirp.sync(DATADIR);
+});
 
-describe('Library tests', () => {
-  it('should import data', async () => {
-    console.log(dbclone);
-    // TODO: Add actual test
+describe('Library tests', async () => {
+  describe('Export', async () => {
+    it('should export data from mLab URL', async () => {
+      await new Promise((resolve) => {
+        dbclone.export({
+          host: TEST_MLAB_URL,
+          db: getDBNameFromURL(TEST_MLAB_URL),
+          dataDir: DATADIR,
+        }, (error, data) => {
+          assert.ok(!error, `Error was not null: ${error}`);
+          const expectedData = [{
+            collection: 'system.indexes',
+            documents: 1
+          },
+          {
+            collection: 'bios',
+            documents: 10
+          }
+          ];
+          assert.deepEqual(data, expectedData, 'Returned data did not match expected value.');
+          resolve();
+        });
+      });
+    });
   });
 });

test/mocha-multi-reporter.config.json

@@ -0,0 +1,6 @@
+{
+  "reporterEnabled": "mochawesome, mocha-junit-reporter",
+  "mochaJunitReporterReporterOptions": {
+    "mochaFile": "test-results/mocha/results.xml"
+  }
+}

test/mocha.opts

@@ -1 +1,2 @@
---reporter mochawesome
+--reporter mocha-multi-reporters
+--reporter-options configFile=test/mocha-multi-reporter.config.json