add some tests

index.js

@@ -3,7 +3,7 @@
 'use strict';
 
 const program = require('commander');
-const {init, processData, output} = require('./lib.js');
+const {init, processData, output, getPackageFiles} = require('./lib.js');
 
 program
   .usage('[moduleName] [options]')
@@ -12,5 +12,6 @@ program
   .parse(process.argv);
 
 const options = init(program);
-const {worst, data} = processData(options);
+const allPackageFiles = getPackageFiles();
+const {worst, data} = processData(allPackageFiles, options);
 output(worst, data, options);

lib.js

@@ -58,8 +58,13 @@ function init(opts = {}) {
   return options;
 }
 
-function processData(options) {
-  const allPackageFiles = glob.sync('node_modules/**/package.json', process.cwd());
+/* istanbul ignore next */
+function getPackageFiles()
+{
+  return glob.sync('node_modules/**/package.json', process.cwd());
+}
+
+function processData(allPackageFiles, options) {
   const data = allPackageFiles.reduce((res, file)=>{
     const child = JSON.parse(fs.readFileSync(file, 'utf8'));
     let parent;
@@ -141,4 +146,5 @@ module.exports = {
   output,
   getAdvice,
   printModulesInfo,
+  getPackageFiles,
 };

test/index.js

@@ -2,8 +2,36 @@
 
 'use strict';
 
-describe('All your bases', () => {
+const {assert} = require('chai');
+const fs = require('fs');
+const path = require('path');
 
-  it('should belong to us', () => {
+const funcs = require('../lib');
+
+describe('WtfWith', () => {
+
+  it('should be able to get some advices', () => {
+    for (let n = 0; n < 1000; n++)
+    {
+      const advice1 = funcs.getAdvice('badModuleName', true);
+      const advice2 = funcs.getAdvice('badModuleName', false);
+      const advice3 = funcs.getAdvice('everything', false);
+      assert.isOk(advice1);
+      assert.isOk(advice2);
+      assert.isOk(advice3);
+    }
+  });
+
+  const options = {minSearch: 3, arg: 'everything'};
+  let worst;
+  let data;
+  it('should be able to process data', () => {
+    const files = JSON.parse(fs.readFileSync(path.join(__dirname, './packageDataSample.json'), 'utf8'));
+    const res = funcs.processData(files, options);
+    worst = res.worst;
+    data = res.data;
+  });
+  it('should be able to output data', () => {
+    funcs.output(worst, data, options);
   });
 });