Increase test coverage + configure dependabot

Author: julianrojas87

dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      # Check for updates once a week
+      interval: "weekly"
+    # Raise pull requests for version updates against the `development` branch
+    target-branch: "development"
+    # Labels on pull requests for security and version updates
+    labels:
+      - "npm dependencies"

test/gtfsrt2lc.test.js

@@ -1,5 +1,6 @@
 const fs = require('fs');
 const del = require('del');
+const { Readable } = require('stream');
 const uri_templates = require('uri-templates');
 const GtfsIndex = require('../lib/GtfsIndex');
 const Gtfsrt2lc = require('../lib/Gtfsrt2LC');
@@ -629,6 +630,28 @@ test('Missing index throws exception', async () => {
     expect(failed).toBeDefined()
 });
 
+test('Cover Gtfsrt2LC functions', async () => {
+    const gtfsrt2lc = new Gtfsrt2lc({});
+    let fail = null;
+
+    try {
+        await gtfsrt2lc.handleResponse({ statusCode: 401 });
+    } catch (err) {
+        fail = err;
+    }
+    expect(fail).toBeDefined();
+
+    const readStream = new Readable({ objectMode: true, read() {}});
+    gtfsrt2lc.handleResponse({ 
+        statusCode: 200,
+        headers: { 'content-encoding': 'fake-format' },
+        body: Promise.resolve(readStream)
+    }).then(result => {
+        expect(result).toBe(false);
+    });
+    readStream.push(null);
+});
+
 test('Cover GtfsIndex functions', async () => {
     let gti = new GtfsIndex({ path: 'https://gtfs.irail.be/nmbs/gtfs/latest.zip' });
     try {