Add node versions 6, 10 and 14 to the unit tests (#465)

* add 6 10 14 node versions

* remove node 6

* try running matrix

* add node 6

* try test with g

* try both

* try with save dev

* try 7

* try with changed make.js

* change test string

* try another date

* try another date

* fix typo

* change string according to ver

* fix typo

* fix string

* reduce duplication of commands

* add comment for a different strings

Co-authored-by: Ilya Kuleshov <v-ikuleshov@microsoft.com>

azure-pipelines.yml

@@ -1,8 +1,21 @@
+strategy:
+  matrix:
+    'Node 6':
+      versionSpec: '6.x'
+    'Node 8': 
+      versionSpec: '8.x'
+    'Node 10': 
+      versionSpec: '10.x'
+    'Node 12': 
+      versionSpec: '12.x'
+    'Node 14': 
+      versionSpec: '14.x'
+
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.x"
-  displayName: Install node 8
+    versionSpec: $(versionSpec)
+  displayName: Install node
 
 # install dependencies
 - script: npm install

make.js

@@ -1,6 +1,7 @@
 require('shelljs/make');
 var path = require('path');
 var fs = require('fs');
+var semver = require('semver');
 
 var rp = function(relPath) {
     return path.join(__dirname, relPath);
@@ -41,8 +42,15 @@ target.build = function() {
 
 target.units = function() {
     target.build();
-
-    pushd('test');
+    var nodeVer = process.versions.node;
+    
+    //check for node version, since installation strategy is different for node versions less than 8
+    if(semver.lt(nodeVer,'8.0.0')){
+        pushd('_build');
+    }
+    else{
+        pushd('test');
+    }
     run('npm install ../_build');
     popd();
 

test/units/tests.ts

@@ -6,6 +6,7 @@ import vsom = require('../../_build/VsoClient');
 import WebApi = require('../../_build/WebApi');
 import * as rm from '../../_build/node_modules/typed-rest-client/RestClient';
 import { ApiResourceLocation } from '../../_build/interfaces/common/VsoBaseInterfaces';
+import semver = require('semver');
 
 describe('VSOClient Units', function () {
     let rest: rm.RestClient;
@@ -180,7 +181,9 @@ describe('VSOClient Units', function () {
 
         //Assert
         assert.equal(res.apiVersion, '1');
-        assert.equal(res.requestUrl, 'https://dev.azure.com/testTemplate?min=Wed%2C%2019%20Oct%200208%2000%3A00%3A00%20GMT');
+        //Use different strings for Node 6 and 8, because of a varied response string
+        var expectedURL = semver.lt(process.versions.node, '8.0.0') ? 'https://dev.azure.com/testTemplate?min=Wed%2C%2019%20Oct%20%20208%2000%3A00%3A00%20GMT' : 'https://dev.azure.com/testTemplate?min=Wed%2C%2019%20Oct%200208%2000%3A00%3A00%20GMT';
+        assert.equal(res.requestUrl, expectedURL);
     });
 
     it('gets versioning data after an initialization promise', async () => {