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vendor/codeception/base/ext/DotReporter.php

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+<?php
+namespace Codeception\Extension;
+
+use Codeception\Event\FailEvent;
+use Codeception\Events;
+use Codeception\Extension;
+use Codeception\Subscriber\Console;
+
+/**
+ * DotReporter provides less verbose output for test execution.
+ * Like PHPUnit printer it prints dots "." for successful testes and "F" for failures.
+ *
+ * ![](https://cloud.githubusercontent.com/assets/220264/26132800/4d23f336-3aab-11e7-81ba-2896a4c623d2.png)
+ *
+ * ```bash
+ *  ..........
+ *  ..........
+ *  ..........
+ *  ..........
+ *  ..........
+ *  ..........
+ *  ..........
+ *  ..........
+ *
+ * Time: 2.07 seconds, Memory: 20.00MB
+ *
+ * OK (80 tests, 124 assertions)
+ * ```
+ *
+ *
+ * Enable this reporter with `--ext option`
+ *
+ * ```
+ * codecept run --ext DotReporter
+ * ```
+ *
+ * Failures and Errors are printed by a standard Codeception reporter.
+ * Use this extension as an example for building custom reporters.
+ */
+class DotReporter extends Extension
+{
+    /**
+     * @var Console
+     */
+    protected $standardReporter;
+
+    protected $errors = [];
+    protected $failures = [];
+
+    protected $width = 10;
+    protected $currentPos = 0;
+
+    public function _initialize()
+    {
+        $this->options['silent'] = false; // turn on printing for this extension
+        $this->_reconfigure(['settings' => ['silent' => true]]); // turn off printing for everything else
+        $this->standardReporter = new Console($this->options);
+        $this->width = $this->standardReporter->detectWidth();
+    }
+
+    // we are listening for events
+    public static $events = [
+        Events::SUITE_BEFORE => 'beforeSuite',
+        Events::TEST_SUCCESS => 'success',
+        Events::TEST_FAIL    => 'fail',
+        Events::TEST_ERROR   => 'error',
+        Events::TEST_SKIPPED => 'skipped',
+        Events::TEST_FAIL_PRINT => 'printFailed'
+    ];
+
+    public function beforeSuite()
+    {
+        $this->writeln("");
+    }
+
+    public function success()
+    {
+        $this->printChar('.');
+    }
+
+    public function fail(FailEvent $e)
+    {
+        $this->printChar("<error>F</error>");
+    }
+
+    public function error(FailEvent $e)
+    {
+        $this->printChar('<error>E</error>');
+    }
+
+    public function skipped()
+    {
+        $this->printChar('S');
+    }
+    
+    protected function printChar($char)
+    {
+        if ($this->currentPos >= $this->width) {
+            $this->writeln('');
+            $this->currentPos = 0;
+        }
+        $this->write($char);
+        $this->currentPos++;
+    }
+
+    public function printFailed(FailEvent $event)
+    {
+        $this->standardReporter->printFail($event);
+    }
+}