feat: show more details when no test files found (#1033)

* chore: resolve conflict

* feat: show more details when test files not found

* chore: fix unit test

* chore: remove some dead code

* doc: fix example

* refactor: cleanup

* feat: show filters, if no files found and has filters

Co-authored-by: Vladimir Sheremet <sheremet.va@icloud.com>

docs/config/index.md

@@ -318,6 +318,27 @@ Isolate environment for each test file
 
 Coverage options
 
+### testNamePattern
+
+- **Type** `string | RegExp`
+
+Run tests with full names matching the pattern.
+If you add `OnlyRunThis` to this property, tests containing the word `OnlyRunThis` in the test name will be skipped.
+
+```js
+import { expect, test } from 'vitest'
+
+// run
+test('OnlyRunThis', () => {
+  expect(true).toBe(true)
+})
+
+// skipped
+test('doNotRun', () => {
+  expect(true).toBe(true)
+})
+```
+
 ### open
 
 - **Type:** `boolean`

packages/vitest/src/node/core.ts

@@ -114,12 +114,19 @@ export class Vitest {
     )
 
     if (!files.length) {
-      if (this.config.passWithNoTests)
-        this.log('No test files found\n')
+      const exitCode = this.config.passWithNoTests ? 0 : 1
+      if (this.config.passWithNoTests) {
+        this.log(`No test files found, exiting code with ${exitCode}\n`)
+      }
+      else {
+        this.error(c.red(`No test files found, exiting code with ${exitCode}\nRun with \`--passWithNoTests\`to exit with code 0\n`))
+        console.error(`In ${c.bold(this.config.root)}`)
+        if (filters?.length) this.console.error(`  filter: ${c.yellow(filters.join(', '))}`)
+        if (this.config.include) this.console.error(`  include: ${c.yellow(this.config.include.join(', '))}`)
+        if (this.config.watchIgnore) this.console.error(`  watchIgnore: ${c.yellow(this.config.watchIgnore.join(', '))}`)
+      }
 
-      else
-        this.error(c.red('No test files found\n'))
-      process.exit(this.config.passWithNoTests ? 0 : 1)
+      process.exit(exitCode)
     }
 
     await this.runFiles(files)