Add engines stanza to generated business network package.json (#3932)

Also add _composer_ and _composer-network_ keywords.

Signed-off-by: Mark S. Lewis <[email protected]>

Author: bestbeforetoday

packages/generator-hyperledger-composer/generators/businessnetwork/templates/package.json

@@ -1,4 +1,7 @@
 {
+  "engines": {
+    "composer": "<%= composerversion %>"
+  },
   "name": "<%= appname %>",
   "version": "0.0.1",
   "description": "<%= appdescription %>",
@@ -8,6 +11,10 @@
     "lint": "eslint .",
     "test": "nyc mocha -t 0 test/*.js && cucumber-js"
   },
+  "keywords": [
+    "composer",
+    "composer-network"
+  ],
   "author": "<%= appauthor %>",
   "email": "<%= appemail %>",
   "license": "<%= applicense %>",

packages/generator-hyperledger-composer/test/business-network.js

@@ -132,26 +132,20 @@ describe('hyperledger-composer:businessnetwork', function () {
             assert(fs.existsSync(packageFile), 'No package.json file detected in test run');
 
             let myPackage = require(packageFile);
-            assert(myPackage.name === passedBusNetName, 'incorrect name in package file');
-            assert(myPackage.author === passedAuthor, 'incorrect author in package file');
-            assert(myPackage.email === passedEmail, 'incorrect email in package file');
-            assert(myPackage.license === passedLic, 'incorrect license in package file');
+            assert.strictEqual(myPackage.name, passedBusNetName, 'incorrect name in package file');
+            assert.strictEqual(myPackage.author, passedAuthor, 'incorrect author in package file');
+            assert.strictEqual(myPackage.email, passedEmail, 'incorrect email in package file');
+            assert.strictEqual(myPackage.license, passedLic, 'incorrect license in package file');
             assert.strictEqual(myPackage.dependencies, undefined, 'there should be no production dependencies in package file');
-            assert.deepStrictEqual(myPackage.devDependencies, {
-                chai: 'latest',
-                'chai-as-promised': 'latest',
+            assert.objectContent(myPackage.devDependencies, {
                 'composer-admin': `^${version}`,
                 'composer-cli': `^${version}`,
                 'composer-client': `^${version}`,
                 'composer-common': `^${version}`,
                 'composer-connector-embedded': `^${version}`,
                 'composer-cucumber-steps': `^${version}`,
-                cucumber: '^2.2.0',
-                eslint: 'latest',
-                mkdirp: 'latest',
-                mocha: 'latest',
-                nyc: 'latest'
-            }, 'incorrect development dependencies in package file');
+            });
+            assert.objectContent(myPackage.engines, { composer: `^${version}`});
         });
     });