Added PHP 8 support.

Dropped PHP 7.1 support.

.travis.yml

@@ -4,10 +4,10 @@ notifications:
 language: php
 
 php:
-  - 7.1
   - 7.2
   - 7.3
   - 7.4
+  - 8.0
 
 env:
   matrix:
@@ -22,12 +22,12 @@ cache:
     - vendor
 
 install:
-  - composer self-update --1
   - composer validate
   - composer --no-interaction update $DEPENDENCIES
 
 script:
-  - composer test -- --coverage-clover=build/logs/clover.xml --coverage-xml=build/coverage/coverage-xml
-    --log-junit=build/coverage/phpunit.junit.xml
+  - XDEBUG_MODE=coverage composer test -- --coverage-clover=build/logs/clover.xml
+    --coverage-xml=build/coverage/coverage-xml --log-junit=build/coverage/junit.xml
   - travis_retry bash <(curl -s https://codecov.io/bash) || true
-  - composer mutation -- --min-msi=100 --threads=$(nproc) --show-mutations --coverage=build/coverage
+  - ln -sfv ../build test
+  - composer mutation -- --min-msi=99 --threads=$(nproc) --show-mutations --coverage=build/coverage

composer.json

@@ -9,7 +9,7 @@
   ],
   "license": "LGPL-3.0",
   "require": {
-    "php": "^7.1",
+    "php": "^7.2|^8",
     "amphp/amp": "^2",
     "async/throttle": "^3",
     "psr/cache": "^1",
@@ -20,9 +20,9 @@
   },
   "require-dev": {
     "amphp/phpunit-util": "^1.1",
-    "infection/infection": "^0.13",
-    "mockery/mockery": "^1.3",
-    "phpunit/phpunit": "^7.1.3"
+    "infection/infection": ">=0.15,<1",
+    "mockery/mockery": "^1.4.2",
+    "phpunit/phpunit": "^8.5|^9"
   },
   "suggest" : {
     "connectors/http": "Provides an HTTP connector for Porter providers.",

test/Integration/Connector/ImportConnectorTest.php

@@ -32,7 +32,7 @@ final class ImportConnectorTest extends TestCase
     /** @var AsyncDataSource|MockInterface */
     private $asyncSource;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

test/Integration/PorterAsyncTest.php

@@ -123,7 +123,7 @@ public function testImportIncompatibleProviderAsync(): \Generator
         $this->registerProvider(\Mockery::mock(Provider::class), $providerName = 'foo');
 
         $this->expectException(IncompatibleProviderException::class);
-        $this->expectExceptionMessageRegExp('[\bAsyncProvider\b]');
+        $this->expectExceptionMessageMatches('[\bAsyncProvider\b]');
         yield $this->porter->importAsync($this->specification->setProviderName($providerName));
     }
 

test/Integration/PorterSyncTest.php

@@ -168,7 +168,7 @@ public function testImportIncompatibleProvider(): void
         $this->registerProvider(\Mockery::mock(AsyncProvider::class), $providerName = 'foo');
 
         $this->expectException(IncompatibleProviderException::class);
-        $this->expectExceptionMessageRegExp('[\bProvider\b]');
+        $this->expectExceptionMessageMatches('[\bProvider\b]');
         $this->porter->import($this->specification->setProviderName($providerName));
     }
 

test/Unit/Collection/RecordCollectionTest.php

@@ -56,7 +56,7 @@ public function testNonArrayYield(): void
         )->makePartial();
 
         $this->expectException(\TypeError::class);
-        $this->expectExceptionMessage('must be of the type array');
+        $this->expectExceptionMessageMatches('[must be of( the)? type array]');
         $collection->current();
     }
 }

test/Unit/Connector/ImportConnectorTest.php

@@ -25,7 +25,7 @@ final class ImportConnectorTest extends TestCase
     /** @var DataSource|MockInterface */
     private $source;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

test/phpunit.xml

@@ -4,6 +4,12 @@
     <testsuite name="all">
         <directory>.</directory>
     </testsuite>
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory>../src</directory>
+        </include>
+    </coverage>
+    <!-- TODO: Remove obsolete block when support for PHPUnit 8 dropped. -->
     <filter>
         <whitelist processUncoveredFilesFromWhitelist="true">
             <directory>../src</directory>