Update to PHPUnit 6, update code style

.gitignore

@@ -2,3 +2,4 @@ build
 composer.lock
 phpunit.xml
 vendor
+.php_cs.cache

.php_cs

@@ -1,15 +0,0 @@
-<?php
-
-return Symfony\CS\Config\Config::create()
-    ->level(Symfony\CS\FixerInterface::NONE_LEVEL)
-    ->fixers([
-        "psr2",
-        "-braces",
-        "-psr0",
-    ])
-        ->finder(
-                Symfony\CS\Finder\DefaultFinder::create()
-                        ->in(__DIR__ . "/lib")
-                        ->in(__DIR__ . "/test")
-        )
-;

.php_cs.dist

@@ -0,0 +1,39 @@
+<?php
+
+return PhpCsFixer\Config::create()
+    ->setRiskyAllowed(true)
+    ->setRules([
+        "@PSR1" => true,
+        "@PSR2" => true,
+        "braces" => [
+            "allow_single_line_closure" => true,
+            "position_after_functions_and_oop_constructs" => "same",
+        ],
+        "array_syntax" => ["syntax" => "short"],
+        "cast_spaces" => true,
+        "combine_consecutive_unsets" => true,
+        "function_to_constant" => true,
+        "no_multiline_whitespace_before_semicolons" => true,
+        "no_unused_imports" => true,
+        "no_useless_else" => true,
+        "no_useless_return" => true,
+        "no_whitespace_before_comma_in_array" => true,
+        "no_whitespace_in_blank_line" => true,
+        "non_printable_character" => true,
+        "normalize_index_brace" => true,
+        "ordered_imports" => true,
+        "php_unit_construct" => true,
+        "php_unit_dedicate_assert" => true,
+        "php_unit_fqcn_annotation" => true,
+        "phpdoc_summary" => true,
+        "phpdoc_types" => true,
+        "psr4" => true,
+        "return_type_declaration" => ["space_before" => "none"],
+        "short_scalar_cast" => true,
+        "single_blank_line_before_namespace" => true,
+    ])
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->in(__DIR__ . "/lib")
+            ->in(__DIR__ . "/test")
+    );

.travis.yml

@@ -12,26 +12,18 @@ matrix:
     - php: nightly
   fast_finish: true
 
-env:
-  - DEPS=lowest
-  - DEPS=highest
-
-install:
-  - if [ "$DEPS" = "lowest" ]; then
-      composer update -n --prefer-source --prefer-lowest;
-    else
-      composer update -n --prefer-source;
-    fi;
-  - composer show
+before_script:
+  # --ignore-platform-reqs, because https://github.com/FriendsOfPHP/PHP-CS-Fixer/pull/2722
+  - composer update -n --prefer-dist --ignore-platform-reqs
+  - composer require satooshi/php-coveralls dev-master --ignore-platform-reqs
 
 script:
   - phpdbg -qrr vendor/bin/phpunit --coverage-text --coverage-clover build/logs/clover.xml
-  - php vendor/bin/php-cs-fixer --diff --dry-run -v fix
+  - PHP_CS_FIXER_IGNORE_ENV=1 php vendor/bin/php-cs-fixer --diff --dry-run -v fix
 
-after_success:
-  - composer require satooshi/php-coveralls dev-master
-  - travis_retry php vendor/bin/coveralls -v
+after_script:
+  - php vendor/bin/coveralls -v
 
 cache:
   directories:
-    - $HOME/.composer/cache
+    - $HOME/.composer/cache/files

Makefile

@@ -0,0 +1,45 @@
+PHP_BIN := php
+COMPOSER_BIN := composer
+
+COVERAGE = coverage
+SRCS = lib test
+
+find_php_files = $(shell find $(1) -type f -name "*.php")
+src = $(foreach d,$(SRCS),$(call find_php_files,$(d)))
+
+.PHONY: test
+test: setup phpunit code-style
+
+.PHONY: clean
+clean: clean-coverage clean-vendor
+
+.PHONY: clean-coverage
+clean-coverage:
+	test ! -e coverage || rm -r coverage
+
+.PHONY: clean-vendor
+clean-vendor:
+	test ! -e vendor || rm -r vendor
+
+.PHONY: setup
+setup: vendor/autoload.php
+
+.PHONY: deps-update
+deps-update:
+	$(COMPOSER_BIN) update
+
+.PHONY: phpunit
+phpunit: setup
+	$(PHP_BIN) vendor/bin/phpunit
+
+.PHONY: code-style
+code-style: setup
+	PHP_CS_FIXER_IGNORE_ENV=1 $(PHP_BIN) vendor/bin/php-cs-fixer --diff -v fix
+
+composer.lock: composer.json
+	$(COMPOSER_BIN) install
+	touch $@
+
+vendor/autoload.php: composer.lock
+	$(COMPOSER_BIN) install
+	touch $@

appveyor.yml

@@ -5,14 +5,8 @@ clone_folder: c:\projects\php-project-workspace
 
 environment:
   matrix:
-  - dependencies: lowest
-    php_ver_target: 7.0
-  - dependencies: lowest
-    php_ver_target: 7.1
-  - dependencies: highest
-    php_ver_target: 7.0
-  - dependencies: highest
-    php_ver_target: 7.1
+  - php_ver_target: 7.0
+  - php_ver_target: 7.1
 
 ## Cache composer bits
 cache:
@@ -39,8 +33,7 @@ install:
     - IF %PHP%==1 echo @php %%~dp0composer.phar %%* > composer.bat
     - appveyor DownloadFile https://getcomposer.org/composer.phar
     - cd c:\projects\php-project-workspace
-    - IF %dependencies%==lowest appveyor-retry composer update --prefer-lowest --no-progress --profile -n
-    - IF %dependencies%==highest appveyor-retry composer update --no-progress --profile -n
+    - appveyor-retry composer update --no-progress -n
     - composer show
 
 ## Run the actual test

composer.json

@@ -1,13 +1,14 @@
 {
     "name": "amphp/dns",
     "homepage": "https://github.com/amphp/dns",
-    "description": "Async DNS resolution built on the amp concurrency framework",
+    "description": "Async DNS resolution for Amp.",
     "keywords": [
         "dns",
         "resolve",
         "client",
         "async",
-        "amp"
+        "amp",
+        "amphp"
     ],
     "license": "MIT",
     "authors": [
@@ -39,8 +40,9 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require-dev": {
-        "phpunit/phpunit": "^5.2.8",
-        "friendsofphp/php-cs-fixer": "^1.9"
+        "amphp/phpunit-util": "^1",
+        "phpunit/phpunit": "^6",
+        "friendsofphp/php-cs-fixer": "^2.3"
     },
     "autoload": {
         "psr-4": {

lib/DefaultResolver.php

@@ -2,12 +2,22 @@
 
 namespace Amp\Dns;
 
-use Amp\{ CallableMaker, Deferred, Failure, Loop, MultiReasonException, Promise, Success, TimeoutException, function call };
 use Amp\Cache\ArrayCache;
+use Amp\CallableMaker;
+use Amp\Deferred;
+use Amp\Failure;
 use Amp\File\FilesystemException;
-use Amp\WindowsRegistry\{ KeyNotFoundException, WindowsRegistry };
-use LibDNS\{ Decoder\DecoderFactory, Encoder\EncoderFactory };
-use LibDNS\Messages\{ MessageFactory, MessageTypes };
+use Amp\Loop;
+use Amp\MultiReasonException;
+use Amp\Promise;
+use Amp\Success;
+use Amp\TimeoutException;
+use Amp\WindowsRegistry\KeyNotFoundException;
+use Amp\WindowsRegistry\WindowsRegistry;
+use LibDNS\Decoder\DecoderFactory;
+use LibDNS\Encoder\EncoderFactory;
+use LibDNS\Messages\MessageFactory;
+use LibDNS\Messages\MessageTypes;
 use LibDNS\Records\QuestionFactory;
 
 class DefaultResolver implements Resolver {
@@ -243,9 +253,8 @@ class DefaultResolver implements Resolver {
             if (empty($types)) {
                 if (empty(array_filter($result))) {
                     throw new NoRecordException("No records returned for {$name} (cached result)");
-                } else {
-                    return $result;
                 }
+                return $result;
             }
         }
 
@@ -267,7 +276,7 @@ class DefaultResolver implements Resolver {
         }
 
         try {
-            list( , $resultArr) = yield Promise\timeout(Promise\some($promises), $timeout);
+            list(, $resultArr) = yield Promise\timeout(Promise\some($promises), $timeout);
             foreach ($resultArr as $value) {
                 $result += $value;
             }
@@ -276,10 +285,9 @@ class DefaultResolver implements Resolver {
                 throw new TimeoutException(
                     "Name resolution timed out for {$name}"
                 );
-            } else {
-                $options["server"] = \preg_replace("#[a-z.]+://#", "tcp://", $uri);
-                return yield from $this->doResolve($name, $types, $options);
             }
+            $options["server"] = \preg_replace("#[a-z.]+://#", "tcp://", $uri);
+            return yield from $this->doResolve($name, $types, $options);
         } catch (ResolutionException $e) {
             if (empty($result)) { // if we have no cached results
                 throw $e;
@@ -365,7 +373,8 @@ class DefaultResolver implements Resolver {
             while ($nameserver === "" && ($key = \array_shift($keys))) {
                 try {
                     $nameserver = yield $reader->read($key);
-                } catch (KeyNotFoundException $e) { }
+                } catch (KeyNotFoundException $e) {
+                }
             }
 
             if ($nameserver === "") {
@@ -379,7 +388,8 @@ class DefaultResolver implements Resolver {
                             if ($nameserver !== "") {
                                 break 2;
                             }
-                        } catch (KeyNotFoundException $e) { }
+                        } catch (KeyNotFoundException $e) {
+                        }
                     }
                 }
             }
@@ -514,13 +524,13 @@ class DefaultResolver implements Resolver {
         if (\substr($uri, 0, 6) == "tcp://") {
             $deferred = new Deferred;
             $server->connect = $deferred->promise();
-            $watcher = Loop::onWritable($server->socket, static function($watcher) use ($server, $deferred, &$timer) {
+            $watcher = Loop::onWritable($server->socket, static function ($watcher) use ($server, $deferred, &$timer) {
                 Loop::cancel($watcher);
                 Loop::cancel($timer);
                 unset($server->connect);
                 $deferred->resolve();
             });
-            $timer = Loop::delay(5000, function() use ($id, $deferred, $watcher, $uri) {
+            $timer = Loop::delay(5000, function () use ($id, $deferred, $watcher, $uri) {
                 Loop::cancel($watcher);
                 $this->unloadServer($id);
                 $deferred->fail(new TimeoutException("Name resolution timed out, could not connect to server at $uri"));
@@ -660,7 +670,7 @@ class DefaultResolver implements Resolver {
         } else {
             foreach ($result as $type => $records) {
                 $minttl = \PHP_INT_MAX;
-                foreach ($records as list( , , $ttl)) {
+                foreach ($records as list(, , $ttl)) {
                     if ($ttl < $minttl) {
                         $minttl = $ttl;
                     }

lib/NoRecordException.php

@@ -2,4 +2,5 @@
 
 namespace Amp\Dns;
 
-class NoRecordException extends ResolutionException {}
+class NoRecordException extends ResolutionException {
+}

lib/Record.php

@@ -2,4 +2,5 @@
 
 namespace Amp\Dns;
 
-class Record extends \LibDNS\Records\ResourceQTypes {}
+class Record extends \LibDNS\Records\ResourceQTypes {
+}

lib/ResolutionException.php

@@ -2,4 +2,5 @@
 
 namespace Amp\Dns;
 
-class ResolutionException extends \Exception {}
+class ResolutionException extends \Exception {
+}

lib/TimeoutException.php

@@ -2,4 +2,5 @@
 
 namespace Amp\Dns;
 
-class TimeoutException extends ResolutionException {}
+class TimeoutException extends ResolutionException {
+}

lib/functions.php

@@ -8,7 +8,7 @@ use Amp\Promise;
 const LOOP_STATE_IDENTIFIER = Resolver::class;
 
 /**
- * Retrieve the application-wide dns resolver instance
+ * Retrieve the application-wide dns resolver instance.
  *
  * @param \Amp\Dns\Resolver $resolver Optionally specify a new default dns resolver instance
  * @return \Amp\Dns\Resolver Returns the application-wide dns resolver instance
@@ -30,7 +30,7 @@ function resolver(Resolver $resolver = null): Resolver {
 }
 
 /**
- * Create a new dns resolver best-suited for the current environment
+ * Create a new dns resolver best-suited for the current environment.
  *
  * @return \Amp\Dns\Resolver
  */
@@ -40,7 +40,7 @@ function driver(): Resolver {
 
 /**
  * Resolve a hostname name to an IP address
- * [hostname as defined by RFC 3986]
+ * [hostname as defined by RFC 3986].
  *
  * Upon success the returned promise resolves to an indexed array of the form:
  *

phpunit.xml.dist

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+        xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/6.0/phpunit.xsd"
         backupGlobals="false"
         backupStaticAttributes="false"
         bootstrap="vendor/autoload.php"
@@ -13,7 +13,7 @@
         stopOnFailure="false"
 >
     <testsuites>
-        <testsuite name="Amp DNS">
+        <testsuite name="Main">
             <directory>test</directory>
         </testsuite>
     </testsuites>
@@ -22,7 +22,7 @@
             <directory suffix=".php">lib</directory>
         </whitelist>
     </filter>
-    <logging>
-        <log type="coverage-html" target="build/coverage" title="Amp" highlight="true"/>
-    </logging>
+    <listeners>
+        <listener class="Amp\PHPUnit\LoopReset"/>
+    </listeners>
 </phpunit>

test/IntegrationTest.php

@@ -3,8 +3,9 @@
 namespace Amp\Dns\Test;
 
 use Amp\Loop;
+use Amp\PHPUnit\TestCase;
 
-class IntegrationTest extends \PHPUnit_Framework_TestCase {
+class IntegrationTest extends TestCase {
     /**
      * @group internet
      * @dataProvider provideHostnames

test/ResolvConfTest.php

@@ -3,9 +3,10 @@
 namespace Amp\Dns\Test;
 
 use Amp\Coroutine;
+use Amp\PHPUnit\TestCase;
 use ReflectionObject;
 
-class ResolvConfTest extends \PHPUnit_Framework_TestCase {
+class ResolvConfTest extends TestCase {
     public function test() {
         $reflector = new ReflectionObject(\Amp\Dns\resolver());
         $method = $reflector->getMethod("loadResolvConf");