1 files changed, 63 insertions, 0 deletions
diff --git a/lib/plugins/config/_test/WriterTest.php b/lib/plugins/config/_test/WriterTest.php
new file mode 100644
index 000000000..62e4a56d5
--- /dev/null
+++ b/lib/plugins/config/_test/WriterTest.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace dokuwiki\plugin\config\test;
+use dokuwiki\plugin\config\core\Setting\SettingString;
+use dokuwiki\plugin\config\core\Writer;
+
+/**
+ * @group plugin_config
+ * @group admin_plugins
+ * @group plugins
+ * @group bundled_plugins
+ */
+class WriterTest extends \DokuWikiTest {
+
+    public function testSave() {
+        global $config_cascade;
+        $config = end($config_cascade['main']['local']);
+
+        $set1 = new SettingString('test1');
+        $set1->initialize('foo','bar', null);
+        $set2 = new SettingString('test2');
+        $set2->initialize('foo','foo', null);
+        $settings = [$set1, $set2];
+        $writer = new Writer();
+
+        // before running, no backup should exist
+        $this->assertFileExists($config);
+        $this->assertFileNotExists("$config.bak");
+        $old = filesize($config);
+
+        /** @noinspection PhpUnhandledExceptionInspection */
+        $writer->save($settings);
+
+        // after running, both should exist
+        $this->assertFileExists($config);
+        $this->assertFileExists("$config.bak");
+        $this->assertEquals($old, filesize("$config.bak"), 'backup should have size of old file');
+
+        // check contents
+        $conf = [];
+        include $config;
+        $this->assertArrayHasKey('test1', $conf);
+        $this->assertEquals('bar', $conf['test1']);
+        $this->assertArrayNotHasKey('test2', $conf);
+
+        /** @noinspection PhpUnhandledExceptionInspection */
+        $writer->save($settings);
+        $this->assertEquals(filesize($config), filesize("$config.bak"));
+    }
+
+    public function testTouch() {
+        global $config_cascade;
+        $config = end($config_cascade['main']['local']);
+        $writer = new Writer();
+
+        $old = filemtime($config);
+        $this->waitForTick(true);
+        /** @noinspection PhpUnhandledExceptionInspection */
+        $writer->touch();
+        clearstatcache($config);
+        $this->assertGreaterThan($old, filemtime($config));
+    }
+}