Add a few PHPUnit tests for HTMLAutoCompleteSelectField

They're nothing especially sophisticated or exhaustive, but why not.

Change-Id: If89e8328080aa97e27fcc32f3bd4d777692f2fd1

diff --git a/tests/phpunit/includes/htmlform/HTMLAutoCompleteSelectFieldTest.php b/tests/phpunit/includes/htmlform/HTMLAutoCompleteSelectFieldTest.php
new file mode 100644 (file)
index 0000000..2c7f50c
--- /dev/null
+++ b/tests/phpunit/includes/htmlform/HTMLAutoCompleteSelectFieldTest.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Unit tests for HTMLAutoCompleteSelectField
+ *
+ * @covers HTMLAutoCompleteSelectField
+ */
+class HtmlAutoCompleteSelectFieldTest extends MediaWikiTestCase {
+
+       var $options = array(
+               'Bulgaria'     => 'BGR',
+               'Burkina Faso' => 'BFA',
+               'Burundi'      => 'BDI',
+       );
+
+       /**
+        * Verify that attempting to instantiate an HTMLAutoCompleteSelectField
+        * without providing any autocomplete options causes an exception to be
+        * thrown.
+        *
+        * @expectedException        MWException
+        * @expectedExceptionMessage called without any autocompletions
+        */
+       function testMissingAutocompletions() {
+               new HTMLAutoCompleteSelectField( array( 'fieldname' => 'Test' ) );
+       }
+
+       /**
+        * Verify that the autocomplete options are correctly encoded as
+        * the 'data-autocomplete' attribute of the field.
+        *
+        * @covers HTMLAutoCompleteSelectField::getAttributes
+        */
+       function testGetAttributes() {
+               $field = new HTMLAutoCompleteSelectField( array(
+                       'fieldname'    => 'Test',
+                       'autocomplete' => $this->options,
+               ) );
+
+               $attributes = $field->getAttributes( array() );
+               $this->assertEquals( array_keys( $this->options ),
+                       FormatJson::decode( $attributes['data-autocomplete'] ),
+                       "The 'data-autocomplete' attribute encodes autocomplete option keys as a JSON array."
+               );
+       }
+
+       /**
+        * Test that the optional select dropdown is included or excluded based on
+        * the presence or absence of the 'options' parameter.
+        */
+       function testOptionalSelectElement() {
+               $params = array(
+                       'fieldname'    => 'Test',
+                       'autocomplete' => $this->options,
+                       'options'      => $this->options,
+               );
+
+               $field = new HTMLAutoCompleteSelectField( $params );
+               $html = $field->getInputHTML( false );
+               $this->assertRegExp( '/select/', $html,
+                       "When the 'options' parameter is set, the HTML includes a <select>" );
+
+               unset( $params['options'] );
+               $field = new HTMLAutoCompleteSelectField( $params );
+               $html = $field->getInputHTML( false );
+               $this->assertNotRegExp( '/select/', $html,
+                       "When the 'options' parameter is not set, the HTML does not include a <select>" );
+       }
+}