base for unit tests

composer.json

@@ -10,6 +10,7 @@
         "php": ">=5.2"
     },
     "require-dev": {
+        "php": ">=5.5",
         "phpunit/phpunit": "<7",
         "wp-coding-standards/wpcs": "^0.14.1",
         "squizlabs/php_codesniffer": "^3.0.2",
@@ -18,14 +19,14 @@
         "wimg/php-compatibility": "^8"
     },
     "autoload": {
+
     },
     "autoload-dev": {
+        "classmap": ["src"]
     },
     "scripts": {
         "phpcs": "phpcs",
         "phpunit-unit": "phpunit --configuration phpunit-unit.xml --coverage-text --colors=never",
-        "phpunit-unit-fast": "phpunit --configuration phpunit-unit.xml --no-coverage",
-        "phpunit-integration": "phpunit --configuration phpunit-integration.xml --coverage-text --colors=never",
-        "phpunit-integration-fast": "phpunit --configuration phpunit-integration.xml --no-coverage"
+        "phpunit-unit-fast": "phpunit --configuration phpunit-unit.xml --no-coverage"
     }
 }

phpunit-unit.xml

+<phpunit bootstrap="tests/unit/bootstrap.php">
+    <testsuites>
+        <testsuite>
+            <directory prefix="test-" suffix=".php">./tests/unit/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory suffix=".php">src</directory>
+        </whitelist>
+    </filter>
+
+    <logging>
+        <log type="junit" target="build-coverage/report.junit.xml"/>
+        <log type="coverage-html" target="build-coverage/coverage" charset="UTF-8" yui="true" highlight="true"/>
+        <log type="coverage-text" target="build-coverage/coverage.txt"/>
+        <log type="coverage-clover" target="build-coverage/clover.xml"/>
+    </logging>
+
+</phpunit>
\ No newline at end of file

tests/unit/bootstrap.php

+<?php
+/**
+ * PHPUnit bootstrap file
+ */
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+error_reporting( E_ALL );
+
+if ( getenv( 'PLUGIN_PATH' ) !== false ) {
+	define( 'PLUGIN_PATH', getenv( 'PLUGIN_PATH' ) );
+} else {
+	define( 'PLUGIN_PATH', __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR );
+}
+
+if ( getenv( 'ABSPATH' ) !== false ) {
+	define( 'ABSPATH', getenv( 'ABSPATH' ) );
+} else {
+	define( 'ABSPATH', PLUGIN_PATH . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR );
+}
+
+WP_Mock::setUsePatchwork( true );
+WP_Mock::bootstrap();