CI: Run PHPUnit tests

.github/workflows/phpunit-tests-run.yml

@@ -0,0 +1,47 @@
+name: Run PHPUnit tests
+
+on:
+  workflow_call:
+    inputs:
+      os:
+        description: 'Operating system to run tests on'
+        required: false
+        type: 'string'
+        default: 'ubuntu-latest'
+      php:
+        description: 'The version of PHP to use, in the format of X.Y'
+        required: true
+        type: 'string'
+      phpunit-config:
+        description: 'The PHPUnit configuration file to use'
+        required: false
+        type: 'string'
+        default: 'phpunit.xml.dist'
+env:
+  LOCAL_PHP: ${{ inputs.php }}-fpm
+  PHPUNIT_CONFIG: ${{ inputs.phpunit-config }}
+
+jobs:
+  phpunit-tests:
+    name: ${{ inputs.os }}
+    runs-on: ${{ inputs.os }}
+    timeout-minutes: 20
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '${{ inputs.php }}'
+          tools: phpunit-polyfills
+
+      - name: Install Composer dependencies
+        uses: ramsey/composer-install@v3
+        with:
+          ignore-cache: "yes"
+          composer-options: "--optimize-autoloader"
+
+      - name: Run PHPUnit tests
+        run: php ./vendor/bin/phpunit -c ./phpunit.xml.dist 

.github/workflows/phpunit-tests.yml

@@ -0,0 +1,28 @@
+name: PHPUnit Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    name: PHP ${{ matrix.php }}
+    uses: ./.github/workflows/phpunit-tests-run.yml
+    permissions:
+      contents: read
+    secrets: inherit
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest ]
+        # NOTE: There does not appear to be a single phpunit version that supports all
+        # PHP versions tested here. For now, we are removing PHP 7.0. and 7.1 tests
+        # in order to run a single phpunit version for PHP 7.2 and up.
+        php: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3' ]
+
+    with:
+      os: ${{ matrix.os }}
+      php: ${{ matrix.php }}
+      phpunit-config: ${{ 'phpunit.xml.dist' }}

composer.json

@@ -8,15 +8,16 @@
 		"issues": "https://github.com/wordpress/sqlite-database-integration/issues"
 	},
 	"require": {
-		"php": ">=5.6"
+		"php": ">=7.0"
 	},
 	"require-dev": {
 		"dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
 		"squizlabs/php_codesniffer": "^3.7",
 		"wp-coding-standards/wpcs": "^3.1",
-		"yoast/phpunit-polyfills": "^1.0.1",
 		"phpcompatibility/phpcompatibility-wp": "*",
-		"php-parallel-lint/php-parallel-lint": "^1.3"
+		"php-parallel-lint/php-parallel-lint": "^1.3",
+		"yoast/phpunit-polyfills": "2.0.0",
+		"phpunit/phpunit": "8.5.38"
 	},
 	"config": {
 		"allow-plugins": {
@@ -30,6 +31,9 @@
 		],
 		"fix-cs": [
 			"@php ./vendor/bin/phpcbf"
+		],
+		"test": [
+			"phpunit"
 		]
 	}
 }

tests/WP_SQLite_Metadata_Tests.php

@@ -24,6 +24,7 @@ public static function setUpBeforeClass(): void {
 			$GLOBALS['wpdb']->suppress_errors = false;
 			$GLOBALS['wpdb']->show_errors     = true;
 		}
+		return;
 	}
 
 	// Before each test, we create a new database

tests/WP_SQLite_PDO_User_Defined_Functions_Tests.php

@@ -18,7 +18,7 @@ public function testFieldFunction( $expected, $args ) {
 		);
 	}
 
-	public function dataProviderForTestFieldFunction() {
+	public static function dataProviderForTestFieldFunction() {
 		return array(
 			array( 1, array( 'a', 'a' ) ),
 			array( 2, array( 'User 0000019', 'User 0000018', 'User 0000019', 'User 0000020' ) ),

tests/WP_SQLite_Query_Tests.php

@@ -27,6 +27,7 @@ public static function setUpBeforeClass(): void {
 			$GLOBALS['wpdb']->suppress_errors = false;
 			$GLOBALS['wpdb']->show_errors     = true;
 		}
+		return;
 	}
 
 	/**

tests/WP_SQLite_Translator_Tests.php

@@ -24,6 +24,7 @@ public static function setUpBeforeClass(): void {
 			$GLOBALS['wpdb']->suppress_errors = false;
 			$GLOBALS['wpdb']->show_errors     = true;
 		}
+		return;
 	}
 
 	// Before each test, we create a new database
@@ -92,7 +93,7 @@ public function testRegexps( $operator, $regexp, $expected_result ) {
 		);
 	}
 
-	public function regexpOperators() {
+	public static function regexpOperators() {
 		$lowercase_rss       = (object) array(
 			'ID'          => '1',
 			'option_name' => 'rss_123',
@@ -255,26 +256,27 @@ public function testSelectFromDual() {
 	public function testShowCreateTable1() {
 		$this->assertQuery(
 			"CREATE TABLE _tmp_table (
-					ID BIGINT PRIMARY KEY AUTO_INCREMENT NOT NULL,
-					option_name VARCHAR(255) default '',
-					option_value TEXT NOT NULL,
-					UNIQUE KEY option_name (option_name),
-					KEY composite (option_name, option_value)
-				);"
+				ID BIGINT PRIMARY KEY AUTO_INCREMENT NOT NULL,
+				option_name VARCHAR(255) default '',
+				option_value TEXT NOT NULL,
+				UNIQUE KEY option_name (option_name),
+				KEY composite (option_name, option_value)
+			);"
 		);
 
 		$this->assertQuery(
 			'SHOW CREATE TABLE _tmp_table;'
 		);
 		$results = $this->engine->get_query_results();
+		# TODO: Should we fix mismatch with original `option_value` text NOT NULL,` without default?
 		$this->assertEquals(
 			"CREATE TABLE _tmp_table (
-		`ID` bigint PRIMARY KEY AUTO_INCREMENT NOT NULL,
-		`option_name` varchar(255) DEFAULT '',
-		`option_value` text NOT NULL,
-		KEY _tmp_table__composite (option_name, option_value),
-		UNIQUE KEY _tmp_table__option_name (option_name)
-	);",
+	`ID` bigint PRIMARY KEY AUTO_INCREMENT NOT NULL,
+	`option_name` varchar(255) DEFAULT '',
+	`option_value` text NOT NULL DEFAULT '',
+	KEY _tmp_table__composite (option_name, option_value),
+	UNIQUE KEY _tmp_table__option_name (option_name)
+);",
 			$results[0]->{'Create Table'}
 		);
 	}
@@ -323,7 +325,7 @@ public function testShowCreateTableWithAlterAndCreateIndex() {
 			'CREATE TABLE _tmp_table (
 	`ID` bigint PRIMARY KEY AUTO_INCREMENT NOT NULL,
 	`option_name` smallint NOT NULL DEFAULT 14,
-	`option_value` text NOT NULL,
+	`option_value` text NOT NULL DEFAULT \'\',
 	KEY _tmp_table__option_name (option_name)
 );',
 			$results[0]->{'Create Table'}

tests/bootstrap.php

@@ -80,7 +80,7 @@ function str_contains( string $haystack, string $needle ) {
 	 * @return bool
 	 */
 	function str_ends_with( string $haystack, string $needle ) {
-		return empty( $needle ) || substr( $haystack, -strlen( $needle ) === $needle );
+		return empty( $needle ) || substr( $haystack, -strlen( $needle ) ) === $needle;
 	}
 }
 if ( extension_loaded( 'mbstring' ) ) {