Set up GitHub actions

.github/workflows/ci.yml

@@ -0,0 +1,52 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  lint:
+    name: Lint with PHPCS
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.4
+          tools: composer
+
+      - name: Install composer dependencies
+        run: composer install
+
+      - name: Run phpcs
+        run: vendor/bin/phpcs -p -s
+
+  test:
+    name: "PHPUnit: PHP ${{ matrix.php }}"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php:
+          - 8.3
+          - 8.4
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          tools: composer
+
+      - name: Install composer dependencies
+        run: composer install
+
+      - name: Run phpunit
+        run: vendor/bin/phpunit

src/Tests/SniffOutputTest.php

@@ -24,6 +24,7 @@ class SniffOutputTest extends TestCase {
 
 	private string $standard;
 	private Config $phpcsConfig;
+	private const REPORT_WIDTH = 80;
 
 	protected function setUp(): void {
 		parent::setUp();
@@ -36,7 +37,7 @@ protected function setUp(): void {
 		// for some reason passing `--tab-width=4` doesn't work, set manually
 		$config->tabWidth = 4;
 		// same with passing --report-width
-		$config->reportWidth = 80;
+		$config->reportWidth = self::REPORT_WIDTH;
 
 		$this->phpcsConfig = $config;
 	}
@@ -69,12 +70,28 @@ public function testCodesnifferRules( string $file ) {
 		$this->assertFileExists( $reportFile );
 		$reportFileContents = file_get_contents( $reportFile );
 		// Use a placeholder `{dir}` so that tests pass regardless of where
-		// in the filesystem the code is located.
-		$reportFileContents = str_replace(
-			"FILE: {dir}/",
-			"FILE: " . __DIR__ . "/",
-			$reportFileContents
-		);
+		// in the filesystem the code is located. But, codesniffer will trim
+		// the file name used if it would otherwise exceed the report width,
+		// see `PHP_CodeSniffer\Reports\Full::generateFileReport()` (as of
+		// codesniffer 3.11.3)
+		if ( strlen( $file ) <= ( self::REPORT_WIDTH - 6 ) ) {
+			$reportFileContents = str_replace(
+				"FILE: {dir}/",
+				"FILE: " . __DIR__ . "/",
+				$reportFileContents
+			);
+		} else {
+			$dotdotdotDir = '...' . substr(
+				__DIR__,
+				strlen( $file ) - ( self::REPORT_WIDTH - 6 )
+			);
+
+			$reportFileContents = str_replace(
+				"FILE: {dir}/",
+				"FILE: " . $dotdotdotDir . "/",
+				$reportFileContents
+			);
+		}
 		$this->assertSame( trim( $reportFileContents ), trim( $report ) );
 
 		// .fixed file must exist and match the fixed output if there are

src/Tests/data/ExtraSniffsApplied.php

@@ -2,7 +2,7 @@
 declare( strict_types = 1 );
 
 function usesDeprecated() {
-	lcg_value();
+	utf8_encode( "foo" );
 }
 
 #[FirstAttrib, SecondAttrib]

src/Tests/data/ExtraSniffsApplied.php.fixed

@@ -2,7 +2,7 @@
 declare( strict_types = 1 );
 
 function usesDeprecated() {
-	lcg_value();
+	utf8_encode( "foo" );
 }
 
 #[FirstAttrib]

src/Tests/data/ExtraSniffsApplied.report

@@ -2,7 +2,7 @@ FILE: {dir}/data/ExtraSniffsApplied.php
 --------------------------------------------------------------------------------
 FOUND 2 ERRORS AFFECTING 2 LINES
 --------------------------------------------------------------------------------
- 5 | ERROR | [ ] Function lcg_value() has been deprecated
+ 5 | ERROR | [ ] Function utf8_encode() has been deprecated
    |       |     (Generic.PHP.DeprecatedFunctions.Deprecated)
  8 | ERROR | [x] 2 attributes are joined.
    |       |     (SlevomatCodingStandard.Attributes.DisallowAttributesJoining.DisallowedAttributesJoining)