--- /dev/null
+<?php
+
+namespace Drupal\Tests\drupalmoduleupgrader\Unit\Plugin\DMU\Analyzer;
+
+use Drupal\drupalmoduleupgrader\Plugin\DMU\Indexer\Functions;
+
+/**
+ * @group DMU.Analyzer
+ * @covers \Drupal\drupalmoduleupgrader\Plugin\DMU\Analyzer\HookPermission
+ *
+ * @todo Add a test for dynamic permissions. Drupal 8 still uses
+ * hook_permission() for this, so dynamic permissions should not result in
+ * an issue being flagged.
+ */
+class HookPermissionTest extends AnalyzerTestBase {
+
+ public function setUp() {
+ parent::setUp();
+
+ $code = <<<'END'
+<?php
+
+/**
+ * Implements hook_permission().
+ */
+function foo_permission() {
+ return array();
+}
+END;
+ $this->dir->getChild('foo.module')->setContent($code);
+
+ $indexer = new Functions([], 'function', [], $this->db, $this->target);
+ $indexer->build();
+ $this->container
+ ->get('plugin.manager.drupalmoduleupgrader.indexer')
+ ->method('createInstance')
+ ->with('function')
+ ->willReturn($indexer);
+
+ $this->analyzer = $this->getPlugin();
+ }
+
+ public function test() {
+ $issues = $this->analyzer->analyze($this->target);
+ $this->assertInternalType('array', $issues);
+ $this->assertNotEmpty($issues);
+ $this->assertIssueDefaults($issues[0]);
+ $this->assertCount(1, $issues[0]->getViolations());
+ $fixes = $issues[0]->getFixes();
+ $this->assertNotEmpty($fixes);
+ }
+
+}