[librariesio] Missing try/catch block and tests (#1644)

services/librariesio/librariesio.tester.js

@@ -0,0 +1,41 @@
+'use strict';
+
+const Joi = require('joi');
+const ServiceTester = require('../service-tester');
+const {
+  isDependencyState
+} = require('../test-validators');
+
+const t = new ServiceTester({ id: 'librariesio', title: 'Libraries.io' });
+module.exports = t;
+
+t.create('dependencies for releases')
+  .get('/release/hex/phoenix/1.0.3.json')
+  .expectJSONTypes(Joi.object().keys({
+    name: 'dependencies',
+    value: isDependencyState,
+  }));
+
+t.create('dependencies for github')
+  .get('/github/pyvesb/notepad4e.json')
+  .expectJSONTypes(Joi.object().keys({
+    name: 'dependencies',
+    value: isDependencyState,
+  }));
+
+t.create('release not found')
+  .get('/release/hex/invalid/4.0.4.json')
+  .expectJSON({
+    name: 'dependencies',
+    value: 'not available',
+  });
+
+t.create('no response data')
+  .get('/github/phoenixframework/phoenix.json')
+  .intercept(nock => nock('https://libraries.io')
+    .get('/api/github/phoenixframework/phoenix/dependencies')
+    .reply(200))
+  .expectJSON({
+     name: 'dependencies',
+     value: 'invalid',
+  });

services/test-validators.js

@@ -67,6 +67,8 @@ const isFormattedDate = Joi.alternatives().try(
   Joi.string().regex(/^last (sun|mon|tues|wednes|thurs|fri|satur)day$/),
   Joi.string().regex(/^(january|february|march|april|may|june|july|august|september|october|november|december)( \d{4})?$/));
 
+const isDependencyState = withRegex(/^(\d+ out of date|\d+ deprecated|up to date)$/);
+
 module.exports = {
   isSemver,
   isVPlusTripleDottedVersion,
@@ -83,5 +85,6 @@ module.exports = {
   isIntegerPercentage,
   isDecimalPercentage,
   isFileSize,
-  isFormattedDate
+  isFormattedDate,
+  isDependencyState
 };