1 files changed, 107 insertions, 0 deletions
diff --git a/platform/www/lib/plugins/tag/_test/topic_and_tagrefine.test.php b/platform/www/lib/plugins/tag/_test/topic_and_tagrefine.test.php
new file mode 100644
index 0000000..b466eb3
--- /dev/null
+++ b/platform/www/lib/plugins/tag/_test/topic_and_tagrefine.test.php
@@ -0,0 +1,107 @@
+<?php
+
+if (!defined('DOKU_INC')) die();
+
+/**
+ * Tests the tagRefine function of the tag plugin
+ */
+class plugin_tag_topic_and_tagrefine_test extends DokuWikiTest {
+    private $all_pages = array(
+        'tagged_page' => array('id' => 'tagged_page'),
+        'negative_page' => array('id' => 'negative_page'),
+        'third_page' => array('id' => 'third_page')
+    );
+    public function setUp() {
+        $this->pluginsEnabled[] = 'tag';
+        parent::setUp();
+
+        saveWikiText(
+            'tagged_page',
+            '{{tag>mytag test2tag}}', 'Test'
+        );
+        saveWikiText(
+            'negative_page',
+            '{{tag>negative_tag mytag}}',
+            'Test setup'
+        );
+        saveWikiText(
+            'third_page',
+            '{{tag>third_tag}}',
+            'Test setup'
+        );
+        idx_addPage('tagged_page');
+        idx_addPage('negative_page');
+        idx_addPage('third_page');
+    }
+
+    public function testEmptyTag() {
+        $this->assertTopicRefine(array('tagged_page', 'negative_page', 'third_page'), '');
+    }
+
+    public function testOnlyNegative() {
+        $this->assertTopicRefine(array('tagged_page', 'third_page'), '-negative_tag');
+    }
+
+    public function testMixed() {
+        $this->assertTopicRefine(array('tagged_page'), 'mytag -negative_tag');
+
+    }
+
+    public function testAnd() {
+        $this->assertTopicRefine(array('tagged_page'), '+mytag +test2tag');
+    }
+
+    public function testAndOr() {
+        $this->assertTopicRefine(array('tagged_page',  'third_page'), '+test2tag third_tag');
+    }
+
+    public function testOrAnd() {
+        $this->assertTopicRefine(array('tagged_page'), 'mytag +test2tag');
+    }
+
+    public function testRefineDoesntAdd() {
+        /** @var helper_plugin_tag $helper */
+        $helper = plugin_load('helper', 'tag');
+        $pages = $helper->tagRefine(array(), 'mytag');
+        $this->hasPages(array(), $pages, 'Refine with empty input array and "mytag" query: ');
+    }
+
+    /**
+     * Test if the getTopic and the tagRefine function with all pages as input both return the expected pages
+     *
+     * @param array  $expected expected page ids
+     * @param string $query    the query for the tagRefine/getTopic-functions
+     */
+    private function assertTopicRefine($expected, $query) {
+        /** @var helper_plugin_tag $helper */
+        $helper = plugin_load('helper', 'tag');
+        $pages = $helper->tagRefine($this->all_pages, $query);
+        $this->hasPages($expected, $pages, 'Refine: '.$query.': ');
+        $pages = $helper->getTopic('', '', $query);
+        $this->hasPages($expected, $pages, 'Topic: '.$query.': ');
+    }
+
+    /**
+     * Makes sure that all pages were found and not more
+     *
+     * @param array $expected List of page ids
+     * @param array $actual   Result list from getTopic/tagRefine
+     * @param string $msg_prefix A prefix that is prepended to all messages
+     */
+    private function hasPages($expected, $actual, $msg_prefix = '') {
+        foreach ($expected as $id) {
+            $found = false;
+            foreach ($actual as $page) {
+                if ($page['id'] === $id) {
+                    $found = true;
+                    break;
+                }
+            }
+            $this->assertTrue($found, $msg_prefix.'Page '.$id.' expected but not found in the result');
+        }
+
+        foreach ($actual as $page) {
+            $this->assertTrue(in_array($page['id'], $expected), $msg_prefix.'Page '.$page['id'].' is in the result but wasn\'t expected');
+        }
+    }
+}