fixed pause finishing, added suggest for empty run, included fuse.js for better search

Author: DavertMik

lib/codecept.js

@@ -111,6 +111,7 @@ class Codecept {
     runHook(require('./listener/globalTimeout'))
     runHook(require('./listener/globalRetry'))
     runHook(require('./listener/exit'))
+    runHook(require('./listener/emptyRun'))
 
     // custom hooks (previous iteration of plugins)
     this.config.hooks.forEach(hook => runHook(hook))

lib/listener/emptyRun.js

@@ -0,0 +1,57 @@
+const figures = require('figures')
+const Container = require('../container')
+const event = require('../event')
+const output = require('../output')
+
+module.exports = function () {
+  let isEmptyRun = true
+
+  event.dispatcher.on(event.test.before, test => {
+    isEmptyRun = false
+  })
+
+  event.dispatcher.on(event.all.result, () => {
+    if (isEmptyRun) {
+      const mocha = Container.mocha()
+
+      if (mocha.options.grep) {
+        const Fuse = require('fuse.js')
+
+        output.print()
+        output.print('No tests found by pattern: ' + mocha.options.grep)
+
+        const allTests = []
+        mocha.suite.suites.forEach(suite => {
+          suite.tests.forEach(test => {
+            allTests.push(test.fullTitle())
+          })
+        })
+
+        const fuse = new Fuse(allTests, {
+          includeScore: true,
+          threshold: 0.6,
+          caseSensitive: false,
+        })
+
+        const results = fuse.search(mocha.options.grep.toString())
+
+        if (results.length > 0) {
+          output.print()
+          output.print('Maybe you wanted to run one of these tests?')
+          results.forEach(result => {
+            output.print(figures.checkboxOff, output.styles.log(result.item))
+          })
+
+          output.print()
+          output.print(output.styles.debug('To run the first test use the following command:'))
+          output.print(output.styles.bold('npx codeceptjs run --debug --grep "' + results[0].item + '"'))
+        }
+      }
+      if (process.env.CI) {
+        output.print()
+        output.error('No tests were executed. Failing on CI')
+        process.exitCode = 1
+      }
+    }
+  })
+}

lib/mocha/factory.js

@@ -4,7 +4,6 @@ const fs = require('fs')
 const reporter = require('./cli')
 const gherkinParser = require('./gherkin')
 const output = require('../output')
-const { genTestId } = require('../utils')
 const ConnectionRefused = require('../helper/errors/ConnectionRefused')
 
 const scenarioUi = fsPath.join(__dirname, './ui.js')
@@ -45,8 +44,6 @@ class MochaFactory {
         let missingFeatureInFile = []
         const seenTests = []
         mocha.suite.eachTest(test => {
-          test.uid = genTestId(test)
-
           const name = test.fullTitle()
           if (seenTests.includes(test.uid)) {
             dupes.push(name)

lib/mocha/test.js

@@ -1,6 +1,7 @@
 const Test = require('mocha/lib/test')
 const { test: testWrapper } = require('./asyncWrapper')
 const { enhanceMochaSuite } = require('./suite')
+const { genTestId } = require('../utils')
 
 /**
  * Factory function to create enhanced tests
@@ -40,6 +41,7 @@ function enhanceMochaTest(test) {
     suite.addTest(testWrapper(this))
     test.tags = [...(test.tags || []), ...(suite.tags || [])]
     test.fullTitle = () => `${suite.title}: ${test.title}`
+    test.uid = genTestId(test)
   }
 
   test.applyOptions = function (opts) {

lib/mocha/types.d.ts

@@ -3,6 +3,7 @@ import { Test as MochaTest, Suite as MochaSuite } from 'mocha'
 declare global {
   namespace CodeceptJS {
     interface Test extends MochaTest {
+      uid: string
       title: string
       tags: string[]
       steps: string[]