Fix index histogram minlen parameter for metadata keys

This includes a test for the minlen parameter for metadata keys

1 files changed, 19 insertions, 0 deletions

diff --git a/_test/tests/inc/indexer_histogram.test.php b/_test/tests/inc/indexer_histogram.test.php
new file mode 100644
index 000000000..df6af7a2b
--- /dev/null
+++ b/_test/tests/inc/indexer_histogram.test.php
@@ -0,0 +1,19 @@
+<?php
+/**
+ * Tests the histogram function of the indexer.
+ *
+ * @author Michael Hamann <michael@content-space.de>
+ */
+class indexer_histogram_test extends DokuWikiTest {
+    function test_minlength() {
+        $indexer = idx_get_indexer();
+        $indexer->addMetaKeys('histo1', 'testkey', array('foo', 'bar', 'foobar'));
+        $indexer->addMetaKeys('histo2', 'testkey', array('bar', 'testing'));
+        $indexer->addMetaKeys('histo3', 'testkey', array('foo', 'foobar'));
+        $histogram4 = $indexer->histogram(1, 0, 4, 'testkey');
+        $this->assertEquals(array('foobar' => 2, 'testing' => 1), $histogram4);
+        $histogram2 = $indexer->histogram(1, 0, 2, 'testkey');
+        $this->assertEquals(array('foobar' => 2, 'testing' => 1, 'foo' => 2, 'bar' => 2), $histogram2);
+    }
+
+}