Textarea styling and text answer warnings (#1715)

* add correct styling for textareas

* add additional meaningless text answer triggers

evap/staff/templates/staff_text_answer_warnings.html

@@ -83,7 +83,7 @@
                     </div>
                     <div class="col-answer col-lg-8 col-xl-7 d-flex">
                         <div class="vote-inputs">
-                            <textarea id="preview-textarea"></textarea>
+                            <textarea id="preview-textarea" class="form-control"></textarea>
                         </div>
                     </div>
                 </div>

evap/static/ts/src/text-answer-warnings.ts

@@ -3,7 +3,7 @@ function normalize(text: string) {
 }
 
 function isTextMeaningless(text: string): boolean {
-    return text.length > 0 && ["", "ka", "na"].includes(text.replace(/\W/g, ""));
+    return text.length > 0 && ["", "ka", "na", "none", "keine", "keines", "keiner"].includes(text.replace(/\W/g, ""));
 }
 
 function doesTextContainTriggerString(text: string, triggerStrings: string[]): boolean {

evap/static/ts/tests/unit/text-answer-warnings.ts

@@ -25,6 +25,7 @@ test.each([
     "n/A",
     "k.A.",
     "-/-",
+    "none."
 ])("detect as meaningless: %j", text => {
     const normalized = testable.normalize(text);
     expect(testable.isTextMeaningless(normalized)).toBe(true);
@@ -34,6 +35,7 @@ test.each([
     "",
     "c",
     "word",
+    "Kanone",
     "I didn't understand the definition of n/A",
     "The abbreviation k.A. is known to me, but maybe not to all"
 ])("do not detect as meaningless: %j", text => {

evap/student/templates/student_vote_questionnaire_group.html

@@ -57,7 +57,7 @@
                                 <div class="col-answer d-flex">
                                     <div class="vote-inputs tab-row {% if preview %} preview{% endif %}">
                                         {{ field.errors }}
-                                        <textarea id="{{ field.id_for_label }}" class="tab-selectable" name="{{ field.name }}"{% if preview %} disabled{% endif %}>{{ field.value|default_if_none:"" }}</textarea>
+                                        <textarea id="{{ field.id_for_label }}" class="form-control tab-selectable" name="{{ field.name }}"{% if preview %} disabled{% endif %}>{{ field.value|default_if_none:"" }}</textarea>
                                     </div>
                                     <div>
                                         {% blocktrans asvar intro_text %}After publishing, this text answer can be seen by:{% endblocktrans %}