test: add test of set_input_values_and_readonly

tests/question_ui_renderer_test.php

@@ -378,6 +378,53 @@ public function test_should_replace_qpy_urls(): void {
         // phpcs:enable moodle.Files.LineLength.MaxExceeded
     }
 
+    /**
+     * Tests {@see question_ui_renderer::set_input_values_and_readonly}.
+     *
+     * @return void
+     * @throws coding_exception
+     * @covers \qtype_questionpy\question_ui_renderer::set_input_values_and_readonly
+     */
+    public function test_should_correctly_fill_data(): void {
+        $input = file_get_contents(__DIR__ . '/question_uis/input-values.xhtml');
+        $qa = $this->create_question_attempt_stub('deadbeef');
+        $newvalues = [
+            'my_text' => 'new',
+            'my_checkbox' => 'value',
+            'my_radio' => 'value1',
+            'my_select' => 'value3',
+            'my_hidden' => 'new',
+            'my_button' => 'should be ignored',
+        ];
+        $qa->method('get_last_qt_var')
+            ->willReturnCallback(fn($name) => $newvalues[$name]);
+
+        $ui = new question_ui_renderer($input, [], new \question_display_options(), $qa);
+        $result = $ui->render();
+
+        $this->assert_html_string_equals_html_string(<<<EXPECTED
+        <div xmlns="http://www.w3.org/1999/xhtml" id="mangled:my_div">
+            <input class="form-control qpy-input" type="text" name="mangled:my_text" value="new"/>
+
+            <input class="qpy-input" type="checkbox" name="mangled:my_checkbox" value="value" checked="checked"/>
+
+            <input class="qpy-input" type="radio" name="mangled:my_radio" value="value1" checked="checked"/>
+            <input class="qpy-input" type="radio" name="mangled:my_radio" value="value2"/>
+
+            <select class="form-control qpy-input" name="mangled:my_select">
+                <option value="value1"/>
+                <option value="value2"/>
+                <option value="value3" selected="selected"/>
+            </select>
+
+            <input class="form-control qpy-input" type="hidden" name="mangled:my_hidden" value="new"/>
+
+            <input class="btn btn-primary qpy-input" name="mangled:my_button" type="button" value="value1"/>
+            <input class="btn btn-primary qpy-input" name="mangled:my_button" type="button" value="value2"/>
+        </div>
+        EXPECTED, $result);
+    }
+
     /**
      * Creates a stub question attempt which should fulfill the needs of most tests.
      *

tests/question_uis/input-values.xhtml

@@ -0,0 +1,36 @@
+<!--
+  - This file is part of the QuestionPy Moodle plugin - https://questionpy.org
+  -
+  - Moodle is free software: you can redistribute it and/or modify
+  - it under the terms of the GNU General Public License as published by
+  - the Free Software Foundation, either version 3 of the License, or
+  - (at your option) any later version.
+  -
+  - Moodle is distributed in the hope that it will be useful,
+  - but WITHOUT ANY WARRANTY; without even the implied warranty of
+  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  - GNU General Public License for more details.
+  -
+  - You should have received a copy of the GNU General Public License
+  - along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<div xmlns="http://www.w3.org/1999/xhtml" id="my_div">
+    <input type="text" name="my_text" value="original"/>
+
+    <input type="checkbox" name="my_checkbox" value="value"/>
+
+    <input type="radio" name="my_radio" value="value1"/>
+    <input type="radio" name="my_radio" value="value2" checked="checked"/>
+
+    <select name="my_select">
+        <option value="value1"/>
+        <option value="value2" selected="selected"/>
+        <option value="value3"/>
+    </select>
+
+    <input type="hidden" name="my_hidden" value="original"/>
+
+    <input name="my_button" type="button" value="value1"/>
+    <input name="my_button" type="button" value="value2"/>
+</div>