Added php 8 support.

composer.json

@@ -13,14 +13,14 @@
         "antimattr/mongodb-migrations" : "*"
     },
     "require": {
-        "php": "^7.1",
+        "php": "^7.1 || ^8.0",
         "ext-mongodb": "*",
-        "mongodb/mongodb": "^1.4",
+        "mongodb/mongodb": "^1.8",
         "symfony/console": "^2.7 || ^3.4 || ^4.0 || ^5.0",
         "symfony/yaml": "^2.7 || ^3.4 || ^4.0 || ^5.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0",
+        "phpunit/phpunit": "^7.0 || ^8.0",
         "friendsofphp/php-cs-fixer": "^2.0",
         "mikey179/vfsstream": "1.*"
     },

src/AntiMattr/MongoDB/Migrations/Tools/Console/Command/GenerateCommand.php

@@ -23,7 +23,7 @@ class GenerateCommand extends AbstractCommand
 {
     protected static $defaultName = 'mongodb:migrations:generate';
 
-    private static $_template =
+    protected static $_template =
             '<?php
 
 namespace <namespace>;

tests/AntiMattr/Tests/MongoDB/Migrations/Collection/StatisticsTest.php

@@ -10,7 +10,7 @@ class StatisticsTest extends TestCase
     private $collection;
     private $statistics;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->collection = $this->createMock('MongoDB\Collection');
         $this->statistics = new Statistics();

tests/AntiMattr/Tests/MongoDB/Migrations/Configuration/ConfigurationTest.php

@@ -10,7 +10,7 @@ class ConfigurationTest extends TestCase
     private $configuration;
     private $connection;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->connection = $this->createMock('MongoDB\Client');
         $this->configuration = new Configuration($this->connection);

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/AbortExceptionTest.php

@@ -8,7 +8,7 @@ class AbortExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = $this->createMock('AntiMattr\MongoDB\Migrations\Exception\AbortException');
     }

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/AbstractMigrationsExceptionTest.php

@@ -9,7 +9,7 @@ class AbstractMigrationsExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = new AbstractMigrationsExceptionStub();
     }

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/ConfigurationValidationExceptionTest.php

@@ -8,7 +8,7 @@ class ConfigurationValidationExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = $this->createMock('AntiMattr\MongoDB\Migrations\Exception\ConfigurationValidationException');
     }

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/DuplicateVersionExceptionTest.php

@@ -8,7 +8,7 @@ class DuplicateVersionExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = $this->createMock('AntiMattr\MongoDB\Migrations\Exception\DuplicateVersionException');
     }

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/IrreversibleExceptionTest.php

@@ -8,7 +8,7 @@ class IrreversibleExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = $this->createMock('AntiMattr\MongoDB\Migrations\Exception\IrreversibleException');
     }

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/NoMigrationsToExecuteExceptionTest.php

@@ -8,7 +8,7 @@ class NoMigrationsToExecuteExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = $this->createMock('AntiMattr\MongoDB\Migrations\Exception\NoMigrationsToExecuteException');
     }

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/SkipExceptionTest.php

@@ -8,7 +8,7 @@ class SkipExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = $this->createMock('AntiMattr\MongoDB\Migrations\Exception\SkipException');
     }

tests/AntiMattr/Tests/MongoDB/Migrations/Exception/UnknownVersionExceptionTest.php

@@ -8,7 +8,7 @@ class UnknownVersionExceptionTest extends TestCase
 {
     private $exception;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exception = $this->createMock('AntiMattr\MongoDB\Migrations\Exception\UnknownVersionException');
     }

tests/AntiMattr/Tests/MongoDB/Migrations/MigrationTest.php

@@ -11,7 +11,7 @@ class MigrationTest extends TestCase
     private $migration;
     private $outputWriter;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->configuration = $this->createMock('AntiMattr\MongoDB\Migrations\Configuration\Configuration');
         $this->outputWriter = $this->createMock('AntiMattr\MongoDB\Migrations\OutputWriter');

tests/AntiMattr/Tests/MongoDB/Migrations/OutputWriterTest.php

@@ -9,7 +9,7 @@ class OutputWriterTest extends TestCase
 {
     private $outputWriter;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->output = $this->createMock('Symfony\Component\Console\Output\OutputInterface');
         $output = $this->output;

tests/AntiMattr/Tests/MongoDB/Migrations/Tools/Console/Command/ExecuteCommandTest.php

@@ -19,7 +19,7 @@ class ExecuteCommandTest extends TestCase
     private $config;
     private $version;
 
-    public function setUp()
+    public function setUp(): void
     {
         $this->command = new ExecuteCommand();
         $this->output = $this->createMock('Symfony\Component\Console\Output\OutputInterface');

tests/AntiMattr/Tests/MongoDB/Migrations/Tools/Console/Command/GenerateCommandTest.php

@@ -16,7 +16,7 @@ class GenerateCommandTest extends TestCase
     private $output;
     private $config;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->command = new GenerateCommandStub();
         $this->output = $this->createMock('Symfony\Component\Console\Output\OutputInterface');

tests/AntiMattr/Tests/MongoDB/Migrations/Tools/Console/Command/MigrateCommandTest.php

@@ -18,7 +18,7 @@ class MigrateCommandTest extends TestCase
     private $command;
     private $output;
 
-    public function setUp()
+    public function setUp(): void
     {
         $this->command = new MigrateCommandStub();
         $this->output = $this->createMock('Symfony\Component\Console\Output\OutputInterface');

tests/AntiMattr/Tests/MongoDB/Migrations/Tools/Console/Command/StatusCommandTest.php

@@ -26,7 +26,7 @@ class StatusCommandTest extends TestCase
      */
     private $outputFormatter;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->command = new StatusCommandStub();
         $this->output = $this->createMock('Symfony\Component\Console\Output\OutputInterface');

tests/AntiMattr/Tests/MongoDB/Migrations/Tools/Console/Command/VersionCommandTest.php

@@ -19,7 +19,7 @@ class VersionCommandTest extends TestCase
     private $migration;
     private $version;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->command = new VersionCommandStub();
         $this->output = $this->createMock('Symfony\Component\Console\Output\OutputInterface');

tests/AntiMattr/Tests/MongoDB/Migrations/VersionTest.php

@@ -19,7 +19,7 @@ class VersionTest extends TestCase
     private $outputWriter;
     private $statistics;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->className = 'AntiMattr\Tests\MongoDB\Migrations\Version20140908000000';
         $this->configuration = $this->createMock('AntiMattr\MongoDB\Migrations\Configuration\Configuration');