add initial code

.editorconfig

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+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://editorconfig.org
+
+root = false
+
+[*]
+indent_style = space
+indent_size = 4
+charset = "utf-8"
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.yml]
+indent_style = space
+indent_size = 2

.gitignore

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+*.pyc
+docs/_build
+phpunit.xml
+vendor/
+composer.lock
+tmp

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2013 Christian "Jippi" Winther
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+[![Latest Stable Version](https://img.shields.io/packagist/v/FriendsOfCake/fixturize.svg?style=flat-square)](https://packagist.org/packages/FriendsOfCake/fixturize)
+
+# Installation
+
+For CakePHP 3.x compatible version:
+
+```
+composer require friendsofcake/fixturize
+```
+
+# Introduction
+
+The fixturize plugin will help improve performance of your fixture based tests.
+
+This plugin currently only work with MySQL databases.
+
+# Usage
+
+Instead of ``use Cake\TestSuite\Fixture\TestFixture;`` simply use ``use FriendsOfCake\Fixturize\TestSuite\Fixture\ChecksumTestFixture as TestFixture;``.
+
+Re-run your tests and enjoy the speed!
+
+# Bugs
+
+If you happen to stumble upon a bug, please feel free to create a pull request with a fix
+(optionally with a test), and a description of the bug and how it was resolved.
+
+You can also create an issue with a description to raise awareness of the bug.
+
+# Features
+
+If you have a good idea for a Crud feature, please join us on IRC and let's discuss it. Pull
+requests are always more than welcome.
+
+# Support / Questions
+
+You can join us on IRC in the #FriendsOfCake channel for any support or questions.

composer.json

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+{
+  "name": "friendsofcake/fixturize",
+  "description": "CakePHP Fixture classes to help increase productivity or performance",
+  "type": "cakephp-plugin",
+  "keywords": [
+    "cakephp",
+    "fixture",
+    "fixtures",
+    "unittest",
+    "phpunit",
+    "performance"
+  ],
+  "homepage": "https://github.com/FriendsOfCake/fixturize",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "Christian Winther",
+      "role": "Author",
+      "homepage": "http://cakephp.nu/"
+    },
+    {
+      "name": "José Lorenzo Rodríguez",
+      "role": "Contributor",
+      "homepage": "https://github.com/lorenzo"
+    }
+  ],
+  "autoload": {
+    "psr-4": {
+      "FriendsOfCake\\Fixture\\": "src"
+    }
+  },
+  "require": {
+    "cakephp/cakephp": "^3.2"
+  },
+  "support": {
+    "source": "https://github.com/FriendsOfCake/fixturize",
+    "issues": "https://github.com/FriendsOfCake/fixturize/issues",
+    "irc": "irc://irc.freenode.org/cakephp"
+  }
+}

src/TestSuite/Fixture/ChecksumTestFixture.php

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+<?php
+namespace FriendsOfCake\Fixturize\TestSuite\Fixture;
+
+use Cake\TestSuite\Fixture\TestFixture;
+use Cake\Datasource\ConnectionInterface;
+
+/**
+ * This class will inspect the database table hash and detect any change to the underlying
+ * data set and automatically re-create the table and data
+ *
+ * If no data has changed, the usual truncate/insert flow is bypassed, increasing the speed
+ * of the test suite with heavy fixture usage up significantly.
+ *
+ */
+class ChecksumTestFixture extends TestFixture
+{
+
+/**
+ * List of table hashes
+ *
+ * @var array
+ */
+    public static $_tableHashes = [];
+
+/**
+ * Inserts records in the database
+ *
+ * This will only happen if the underlying table is modified in any way or
+ * does not exist with a hash yet.
+ *
+ * @param ConnectionInterface $db
+ * @return boolean
+ */
+    public function insert(ConnectionInterface $db)
+    {
+        if ($this->_tableUnmodified($db)) {
+            return true;
+        }
+
+        $result = parent::insert($db);
+        static::$_tableHashes[$this->table] = $this->_hash($db);
+        return $result;
+    }
+
+/**
+ * Deletes all table information.
+ *
+ * This will only happen if the underlying table is modified in any way
+ *
+ * @param ConnectionInterface $db
+ * @return void
+ */
+    public function truncate(ConnectionInterface $db)
+    {
+        if ($this->_tableUnmodified($db)) {
+            return true;
+        }
+
+        return parent::truncate($db);
+    }
+
+/**
+ * Drops the table from the test datasource
+ *
+ * @param ConnectionInterface $db
+ * @return void
+ */
+    public function drop(ConnectionInterface $db)
+    {
+        unset(static::$_tableHashes[$this->table]);
+        return parent::drop($db);
+    }
+
+/**
+ * Test if a table is modified or not
+ *
+ * If there is no known hash, treat it as being modified
+ *
+ * In all other cases where the initial and current hash differs, assume
+ * the table has changed
+ *
+ * @param DboSource $db
+ * @return boolean
+ */
+    protected function _tableUnmodified($db)
+    {
+        if (empty(static::$_tableHashes[$this->table])) {
+            return false;
+        }
+
+        if (static::$_tableHashes[$this->table] === $this->_hash($db)) {
+            return true;
+        }
+
+        return false;
+    }
+
+/**
+ * Get the table hash from MySQL for a specific table
+ *
+ * @param ConnectionInterface $db
+ * @return string
+ */
+    protected function _hash(ConnectionInterface $db)
+    {
+        $sth = $db->execute("CHECKSUM TABLE " . $this->table);
+        $result = $sth->fetch('assoc');
+        $checksum = $result['Checksum'];
+        return $checksum;
+    }
+}