[config] Enable missing validations (#2720)

* enable validation for multipleLimit
* remove unused validation messages

Signed-off-by: Jan N. Klug <github@klug.nrw>

bundles/org.openhab.core.config.core/src/main/java/org/openhab/core/config/core/internal/validation/ConfigDescriptionValidatorImpl.java

@@ -108,8 +108,18 @@ public final class ConfigDescriptionValidatorImpl implements ConfigDescriptionVa
             if (configDescriptionParameter != null) {
                 // If the parameter supports multiple selection, then it may be provided as an array
                 if (configDescriptionParameter.isMultiple() && configurationParameters.get(key) instanceof List) {
+                    List<Object> values = (List<Object>) configurationParameters.get(key);
+                    // check if multipleLimit is obeyed
+                    Integer multipleLimit = configDescriptionParameter.getMultipleLimit();
+                    if (multipleLimit != null && values.size() > multipleLimit) {
+                        MessageKey messageKey = MessageKey.MULTIPLE_LIMIT_VIOLATED;
+                        ConfigValidationMessage message = new ConfigValidationMessage(
+                                configDescriptionParameter.getName(), messageKey.defaultMessage, messageKey.key,
+                                multipleLimit, values.size());
+                        configDescriptionValidationMessages.add(message);
+                    }
                     // Perform validation on each value in the list separately
-                    for (Object value : (List<Object>) configurationParameters.get(key)) {
+                    for (Object value : values) {
                         ConfigValidationMessage message = validateParameter(configDescriptionParameter, value);
                         if (message != null) {
                             configDescriptionValidationMessages.add(message);

bundles/org.openhab.core.config.core/src/main/java/org/openhab/core/config/core/internal/validation/MessageKey.java

@@ -29,19 +29,17 @@ final class MessageKey {
             "The value must not consist of more than {0} characters.");
     static final MessageKey MAX_VALUE_NUMERIC_VIOLATED = new MessageKey("max_value_numeric_violated",
             "The value must not be greater than {0}.");
-    static final MessageKey MAX_VALUE_OPTIONS_VIOLATED = new MessageKey("max_value_options_violated",
-            "There are not more than {0} options allowed.");
 
     static final MessageKey MIN_VALUE_TXT_VIOLATED = new MessageKey("min_value_txt_violated",
             "The value must not consist of less than {0} characters.");
     static final MessageKey MIN_VALUE_NUMERIC_VIOLATED = new MessageKey("min_value_numeric_violated",
             "The value must not be less than {0}.");
-    static final MessageKey MIN_VALUE_OPTIONS_VIOLATED = new MessageKey("min_value_options_violated",
-            "There are at least {0} options required.");
 
     static final MessageKey PATTERN_VIOLATED = new MessageKey("pattern_violated",
             "The value {0} does not match the pattern {1}.");
 
+    static final MessageKey MULTIPLE_LIMIT_VIOLATED = new MessageKey("multiple_limit_violated",
+            "Only {0} elements are allowed but {1} are provided.");
     /** The key to be used for internationalization. */
     final String key;
 

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation.properties

@@ -4,10 +4,9 @@ data_type_violated=The data type of the value ({0}) does not match with the type
 
 max_value_txt_violated=The value must not consist of more than {0} characters.
 max_value_numeric_violated=The value must not be greater than {0}.
-max_value_options_violated=There are not more than {0} options allowed.
 
 min_value_txt_violated=The value must not consist of less than {0} characters.
 min_value_numeric_violated=The value must not be less than {0}.
-min_value_options_violated=There are at least {0} options required.
 
 pattern_violated=The value {0} does not match the pattern {1}.
+multiple_limit_violated=Only {0} elements are allowed but {1} are provided.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_ar.properties

@@ -4,10 +4,8 @@ data_type_violated=نوع القيمة لا تتوافق مع النوع الم
 
 max_value_txt_violated=يجب ألا تتكون القيمة أكثر من {0} حرف.
 max_value_numeric_violated=يجب ألا تكون القيمة أكبر من {0}.
-max_value_options_violated=لا يوجد أكثر من {0} من الخيارات المسموح بها.
 
 min_value_txt_violated=يجب ألا تتكون القيمة أقل من {0} حرف.
 min_value_numeric_violated=يجب ألا تكون القيمة أقل من {0}.
-min_value_options_violated=هناك على الأقل {0} خيارات مطلوبة.
 
 pattern_violated=القيمة {0} لا تتطابق مع النمط {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_bg.properties

@@ -4,10 +4,8 @@ data_type_violated=Типа на информацията на стойност
 
 max_value_txt_violated=Стойността не трябва да съдържа повече от {0} знака.
 max_value_numeric_violated=Стойността не трябва да е по голяма от {0}.
-max_value_options_violated=Няма повече от {0} позволени опции.
 
 min_value_txt_violated=Стойността не трябва да съдържа по малко от {0} знака.
 min_value_numeric_violated=Стойността не трябва да е по-малка от {0}.
-min_value_options_violated=Изискват се поне {0} опции.
 
 pattern_violated=Стойността {0} не съвпада с модела {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_cs.properties

@@ -4,10 +4,8 @@ data_type_violated=Datový typ hodnoty se neshoduje s deklarací typu ({0}) v po
 
 max_value_txt_violated=Hodnota nesmí obsahovat více než {0} znaků.
 max_value_numeric_violated=Hodnota nesmí být větší než {0}.
-max_value_options_violated=Není povoleno více než {0} možností.
 
 min_value_txt_violated=Hodnota nesmí obsahovat méně než {0} znaků.
 min_value_numeric_violated=Hodnota nesmí být menší než {0}.
-min_value_options_violated=Je vyžadováno alespoň {0} možností.
 
 pattern_violated=Hodnota {0} neodpovídá vzoru {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_de.properties

@@ -4,10 +4,8 @@ data_type_violated=Der Datentyp des Wertes ({0}) stimmt nicht mit der Typen-Dekl
 
 max_value_txt_violated=Der Wert darf maximal {0} Zeichen enthalten.
 max_value_numeric_violated=Der Wert darf nicht größer als {0} sein.
-max_value_options_violated=Es sind maximal {0} Optionen erlaubt.
 
 min_value_txt_violated=Der Wert muss mindestens {0} Zeichen enthalten.
 min_value_numeric_violated=Der Wert muss mindestens {0} sein.
-min_value_options_violated=Es werden mindestens {0} Optionen erwartet.
 
 pattern_violated=Der Wert {0} entspricht nicht dem Muster {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_el.properties

@@ -4,10 +4,8 @@ data_type_violated=Ο τύπος δεδομένων της τιμής δεν τ
 
 max_value_txt_violated=Η τιμή δεν πρέπει να αποτελείται από περισσότερους από {0} χαρακτήρες.
 max_value_numeric_violated=Η τιμή δεν πρέπει να είναι μεγαλύτερη από {0}.
-max_value_options_violated=Δεν επιτρέπονται περισσότερες από {0} επιλογές.
 
 min_value_txt_violated=Η τιμή δεν πρέπει να αποτελείται από λιγότερους από {0} χαρακτήρες.
 min_value_numeric_violated=Η τιμή δεν πρέπει να είναι μικρότερη από {0}.
-min_value_options_violated=Απαιτούνται τουλάχιστον {0} επιλογές.
 
 pattern_violated=Η τιμή {0} δεν ταιριάζει με το μοτίβο {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_es.properties

@@ -4,10 +4,8 @@ data_type_violated=El tipo de datos del valor no coincide con la declaración de
 
 max_value_txt_violated=El valor no puede tener más de {0} caracteres.
 max_value_numeric_violated=El valor no puede ser mayor que {0}.
-max_value_options_violated=No hay más de {0} opciones permitidas.
 
 min_value_txt_violated=El valor no puede tener menos de {0} caracteres.
 min_value_numeric_violated=El valor no puede ser menor que {0}.
-min_value_options_violated=Hay al menos {0} opciones necesarias.
 
 pattern_violated=El valor {0} no coincide con el patrón {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_fi.properties

@@ -4,10 +4,8 @@ data_type_violated=Arvon datatyyppi ({0}) ei vastaa konfiguraation määritelmä
 
 max_value_txt_violated=Arvo ei saa sisältää enemmän kuin {0} merkkiä.
 max_value_numeric_violated=Arvo ei saa olla suurempi kuin {0}.
-max_value_options_violated=Enemmän kuin {0} vaihtoehtoa ei ole sallittu.
 
 min_value_txt_violated=Arvo ei saa sisältää vähemmän kuin {0} merkkiä.
 min_value_numeric_violated=Arvo ei saa olla pienempi kuin {0}.
-min_value_options_violated=Vaaditaan vähintään {0} vaihtoehtoa.
 
 pattern_violated=Arvo {0} ei vastaa malli-lauseketta {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_fr.properties

@@ -4,10 +4,8 @@ data_type_violated=Le type de données de la valeur ne correspond pas à la déc
 
 max_value_txt_violated=La valeur ne doit pas contenir plus de {0} caractères.
 max_value_numeric_violated=La valeur ne doit pas être supérieure à {0}.
-max_value_options_violated=Il n''y a pas plus de {0} options autorisées.
 
 min_value_txt_violated=La valeur ne doit pas contenir moins de {0} caractères.
 min_value_numeric_violated=La valeur ne doit pas être inférieure à {0}.
-min_value_options_violated=Il y a au moins {0} options nécessaires.
 
 pattern_violated=La valeur {0} ne correspond pas au modèle {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_he.properties

@@ -4,10 +4,8 @@ data_type_violated=סוג הנתונים של הערך ({0}) אינו תואם
 
 max_value_txt_violated=הערך אינו יכול לכלול יותר מ- {0} תווים.
 max_value_numeric_violated=הערך אינו יכול להיות גדול מ-{0}.
-max_value_options_violated=אין יותר מ- {0} אפשרויות מותרות.
 
 min_value_txt_violated=הערך איננו יכול לכלול פחות מ- {0} תווים.
 min_value_numeric_violated=הערך איננו יכול להיות קטן מ- {0}.
-min_value_options_violated=נדרשת הגדרה של לפחות {0} אפשרויות.
 
 pattern_violated=הערך {0} לא מתאים לתבנית {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_hu.properties

@@ -4,10 +4,8 @@ data_type_violated=A konfigurációs beállításokban szereplő típus megadás
 
 max_value_txt_violated=Az érték {0} karakternél rövidebb kell legyen.
 max_value_numeric_violated=Az érték nem lehet nagyobb, mint {0}.
-max_value_options_violated=Maximum {0} lehetőség megengedett.
 
 min_value_txt_violated=Az érték {0} karakternél hosszabb kell legyen.
 min_value_numeric_violated=Az érték nem lehet kisebb, mint {0}.
-min_value_options_violated=Legalább {0} lehetőség szükséges.
 
 pattern_violated=Az {0} érték nem felel meg a(z) {1} mintának.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_it.properties

@@ -4,10 +4,8 @@ data_type_violated=Il tipo di dati del valore ({0}) non corrisponde alla dichiar
 
 max_value_txt_violated=Il valore non deve contenere più di {0} caratteri.
 max_value_numeric_violated=Il valore non deve essere maggiore di {0}.
-max_value_options_violated=Non ci sono più di {0} opzioni permesse.
 
 min_value_txt_violated=Il valore non deve consistere di meno di {0} caratteri.
 min_value_numeric_violated=Il valore non deve essere inferiore a {0}.
-min_value_options_violated=Ci sono almeno {0} opzioni richieste.
 
 pattern_violated=Il valore {0} non corrisponde al modello {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_ja.properties

@@ -4,10 +4,8 @@ data_type_violated=値のデータ型が、設定説明の型宣言 ({0}) と一
 
 max_value_txt_violated=値は {0} 文字以上で構成することはできません。
 max_value_numeric_violated=値は{0} を超えてはいけません。
-max_value_options_violated=許可されるオプションは{0} 個までです。
 
 min_value_txt_violated=値は{0} 文字未満であってはなりません。
 min_value_numeric_violated=値は{0} 以上である必要があります。
-min_value_options_violated=少なくとも{0} 個のオプションが必要です。
 
 pattern_violated=値{0} がパターン{1} と一致しません。

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_lb.properties

@@ -4,10 +4,8 @@ data_type_violated=Den Datentyp vum Wäert ({0}) stëmmt net mat der Typendeklar
 
 max_value_txt_violated=Dëse Wäert däerf net méi wéi {0} Zeechen hunn.
 max_value_numeric_violated=Dëse Wäert muss méi grouss wéi {0} sinn.
-max_value_options_violated=Et sinn net méi wéi {0} Optiounen erlaabt.
 
 min_value_txt_violated=Dëse Wäert muss mindestens {0} Zeechen hunn.
 min_value_numeric_violated=Dëse Wäert muss mindestens {0} sinn.
-min_value_options_violated=Et ginn op mannst {0} Optiounen erwaart.
 
 pattern_violated=De Wäert {0} passt net mam Muster {1} iwwerteneen.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_nl.properties

@@ -4,10 +4,8 @@ data_type_violated=Het gegevenstype van de waarde komt niet overeen met de type
 
 max_value_txt_violated=De waarde mag niet meer dan {0} tekens bevatten.
 max_value_numeric_violated=De waarde mag niet groter zijn dan {0}.
-max_value_options_violated=Er zijn niet meer dan {0} opties toegestaan.
 
 min_value_txt_violated=De waarde mag niet minder dan {0} tekens bevatten.
 min_value_numeric_violated=De waarde mag niet kleiner zijn dan {0}.
-min_value_options_violated=Er zijn ten minste {0} opties vereist.
 
 pattern_violated=De waarde {0} komt niet overeen met het patroon {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_no.properties

@@ -4,10 +4,8 @@ data_type_violated=Datatypen til verdien samsvarer ikke med typedeklarasjonen ({
 
 max_value_txt_violated=Verdien må ikke bestå av mer enn {0} tegn.
 max_value_numeric_violated=Verdien kan ikke være større enn {0}.
-max_value_options_violated=Det er ikke mer enn {0} alternativer tillatt.
 
 min_value_txt_violated=Verdien må ikke bestå av mindre enn {0} tegn.
-min_value_numeric_violated=Verdien må ikke være mindre enn {0}.
+min_value_numeric_violated=Verdien må ikke være mindre enn {0}.\
-min_value_options_violated=Det er nødvendig med minst {0} valg.
 
 pattern_violated=Verdien {0} samsvarer ikke med mønsteret {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_pl.properties

@@ -4,10 +4,8 @@ data_type_violated=Typ danych wartości nie pasuje do deklaracji typu ({0}) w op
 
 max_value_txt_violated=Wartość nie może składać się z więcej niż {0} znaków.
 max_value_numeric_violated=Wartość musi być większa niż {0}.
-max_value_options_violated=Nie ma więcej niż {0} opcji dozwolonych.
 
 min_value_txt_violated=Wartość nie może składać się z mniej niż {0} znaków.
 min_value_numeric_violated=Wartość nie może być mniejsza niż {0}.
-min_value_options_violated=Wymagana liczba opcji\: {0}.
 
 pattern_violated=Wartość {0} nie pasuje do wzoru {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_pt.properties

@@ -4,10 +4,8 @@ data_type_violated=O tipo de dados do valor não coincide com a declaração de
 
 max_value_txt_violated=O valor não pode conter mais de {0} caracteres.
 max_value_numeric_violated=O valor não deve ser maior que {0}.
-max_value_options_violated=Não há mais do que {0} opções permitidas.
 
 min_value_txt_violated=O valor não pode conter menos de {0} caracteres.
 min_value_numeric_violated=O valor não deve ser menor que {0}.
-min_value_options_violated=Existem pelo menos {0} opções obrigatórias.
 
 pattern_violated=O valor {0} não corresponde ao padrão {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_ro.properties

@@ -4,10 +4,8 @@ data_type_violated=Tipul de date al valorii nu se potrivește cu declarația de
 
 max_value_txt_violated=Valoarea nu trebuie să conțină mai mult de {0} caractere.
 max_value_numeric_violated=Valoarea nu trebuie să fie mai mare de {0}.
-max_value_options_violated=Nu există mai mult de {0} opțiuni permise.
 
 min_value_txt_violated=Valoarea nu trebuie să fie mai mică de {0} caractere.
 min_value_numeric_violated=Valoarea nu trebuie să fie mai mică de {0}.
-min_value_options_violated=Există cel puțin {0} opțiuni necesare.
 
 pattern_violated=Valoarea {0} nu se potrivește cu modelul {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_ru.properties

@@ -4,10 +4,8 @@ data_type_violated=Тип данных значения не соответст
 
 max_value_txt_violated=Значение не должно содержать больше, чем {0} символов.
 max_value_numeric_violated=Значение должно быть меньше, чем {0}.
-max_value_options_violated=Доступно не более {0} вариантов.
 
 min_value_txt_violated=Значение должно содержать более {0} символов.
 min_value_numeric_violated=Значение должно быть больше, чем {0}.
-min_value_options_violated=Требуется как минимум {0} вариантов.
 
 pattern_violated=Значение {0} не соответствует шаблону {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_sv.properties

@@ -4,10 +4,8 @@ data_type_violated=Datatypen för värdet stämmer inte överens med typ-deklara
 
 max_value_txt_violated=Värdet får inte bestå av mer än {0} tecken.
 max_value_numeric_violated=Värdet får inte vara större än {0}.
-max_value_options_violated=Det finns inte mer än {0} tillåtna alternativ.
 
 min_value_txt_violated=Värdet får inte bestå av mindre än {0} tecken.
 min_value_numeric_violated=Värdet får inte vara mindre än {0}.
-min_value_options_violated=Det krävs minst {0} alternativ.
 
 pattern_violated=Värdet {0} uppfyller inte mönstret {1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_tr.properties

@@ -4,10 +4,8 @@ data_type_violated=Değerin veri tipi ({0})''nin yapılandırma açıklamasında
 
 max_value_txt_violated=Değer {0}''dan fazla karakter içeremez.
 max_value_numeric_violated=Değer {0}''dan büyük olamaz.
-max_value_options_violated={0}''dan fazla seçeneğe izin verilmemektedir.
 
 min_value_txt_violated=Değer {0}''dan daha az karakter içeremez.
 min_value_numeric_violated=Değer {0}''dan az olamaz.
-min_value_options_violated=En az {0} adet seçenek gereklidir.
 
 pattern_violated={0} değeri, {1} ablonu ile uyumsuz.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_uk.properties

@@ -4,10 +4,8 @@ data_type_violated=Тип даних значення не відповідає
 
 max_value_txt_violated=Значення не може складатися з більш ніж {0} символів.
 max_value_numeric_violated=Значення не має бути більшим за {0}.
-max_value_options_violated=Дозволено не більше ніж {0} варіантів.
 
 min_value_txt_violated=Значення не може складатися з менш ніж {0} символів.
 min_value_numeric_violated=Значення не має бути меншим за {0}.
-min_value_options_violated=Необхідні принаймні {0} опції.
 
 pattern_violated=Значення {0} не відповідає шаблону{1}.

bundles/org.openhab.core.config.core/src/main/resources/OH-INF/i18n/validation_zh.properties

@@ -4,10 +4,8 @@ data_type_violated=该值的数据类型与配置描述中的类型声明({0})
 
 max_value_txt_violated=该值不能超过{0} 字符。
 max_value_numeric_violated=该值必须大于 {0}。
-max_value_options_violated=允许的选项不超过 {0} 个。
 
 min_value_txt_violated=该值不能小于 {0} 个字符。
 min_value_numeric_violated=该值不能小于 {0}。
-min_value_options_violated=至少需要 {0} 个选项。
 
 pattern_violated=该值 {0} 与模式 {1} 不匹配。

bundles/org.openhab.core.config.core/src/test/java/org/openhab/core/config/core/internal/validation/ConfigDescriptionValidatorTest.java

@@ -31,7 +31,6 @@ import java.util.stream.Stream;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
 import org.openhab.core.config.core.ConfigDescription;
 import org.openhab.core.config.core.ConfigDescriptionBuilder;
@@ -83,6 +82,7 @@ public class ConfigDescriptionValidatorTest {
     private static final String TXT_MAX_PARAM_NAME = "txt-max-name";
     private static final String TXT_PATTERN_PARAM_NAME = "txt-pattern-name";
     private static final String TXT_MAX_PATTERN_PARAM_NAME = "txt-max-pattern-name";
+    private static final String TXT_MULTIPLE_LIMIT_PARAM_NAME = "txt-multiple-limit-name";
 
     private static final String INT_PARAM_NAME = "int-param";
     private static final String INT_REQUIRED_PARAM_NAME = "int-required-param";
@@ -112,6 +112,8 @@ public class ConfigDescriptionValidatorTest {
     private static final ConfigDescriptionParameter TXT_MAX_PATTERN_PARAM = ConfigDescriptionParameterBuilder
             .create(TXT_MAX_PATTERN_PARAM_NAME, ConfigDescriptionParameter.Type.TEXT).withMaximum(MAX)
             .withPattern(PATTERN).build();
+    private static final ConfigDescriptionParameter TXT_MULTIPLE_LIMIT_PARAM = ConfigDescriptionParameterBuilder
+            .create(TXT_MULTIPLE_LIMIT_PARAM_NAME, Type.TEXT).withMultiple(true).withMultipleLimit(2).build();
 
     private static final ConfigDescriptionParameter INT_PARAM = ConfigDescriptionParameterBuilder
             .create(INT_PARAM_NAME, ConfigDescriptionParameter.Type.INTEGER).build();
@@ -142,11 +144,10 @@ public class ConfigDescriptionValidatorTest {
     }
 
     private static final ConfigDescription CONFIG_DESCRIPTION = ConfigDescriptionBuilder.create(CONFIG_DESCRIPTION_URI)
-            .withParameters(Stream
+            .withParameters(Stream.of(BOOL_PARAM, BOOL_REQUIRED_PARAM, TXT_PARAM, TXT_REQUIRED_PARAM, TXT_MIN_PARAM,
-                    .of(BOOL_PARAM, BOOL_REQUIRED_PARAM, TXT_PARAM, TXT_REQUIRED_PARAM, TXT_MIN_PARAM, TXT_MAX_PARAM,
+                    TXT_MAX_PARAM, TXT_PATTERN_PARAM, TXT_MAX_PATTERN_PARAM, TXT_MULTIPLE_LIMIT_PARAM, INT_PARAM,
-                            TXT_PATTERN_PARAM, TXT_MAX_PATTERN_PARAM, INT_PARAM, INT_REQUIRED_PARAM, INT_MIN_PARAM,
+                    INT_REQUIRED_PARAM, INT_MIN_PARAM, INT_MAX_PARAM, DECIMAL_PARAM, DECIMAL_REQUIRED_PARAM,
-                            INT_MAX_PARAM, DECIMAL_PARAM, DECIMAL_REQUIRED_PARAM, DECIMAL_MIN_PARAM, DECIMAL_MAX_PARAM)
+                    DECIMAL_MIN_PARAM, DECIMAL_MAX_PARAM).collect(toList()))
-                    .collect(toList()))
             .build();
 
     private Map<String, Object> params;
@@ -155,13 +156,11 @@ public class ConfigDescriptionValidatorTest {
     @BeforeEach
     public void setUp() {
         ConfigDescriptionRegistry configDescriptionRegistry = mock(ConfigDescriptionRegistry.class);
-        when(configDescriptionRegistry.getConfigDescription(any())).thenAnswer(new Answer<ConfigDescription>() {
+        when(configDescriptionRegistry.getConfigDescription(any()))
-            @Override
+                .thenAnswer((Answer<ConfigDescription>) invocation -> {
-            public ConfigDescription answer(InvocationOnMock invocation) throws Throwable {
+                    URI uri = invocation.getArgument(0);
-                URI uri = (URI) invocation.getArgument(0);
+                    return !CONFIG_DESCRIPTION_URI.equals(uri) ? null : CONFIG_DESCRIPTION;
-                return !CONFIG_DESCRIPTION_URI.equals(uri) ? null : CONFIG_DESCRIPTION;
+                });
-            }
-        });
 
         BundleContext bundleContext = mock(BundleContext.class);
         when(bundleContext.getBundle()).thenReturn(mock(Bundle.class));
@@ -179,6 +178,7 @@ public class ConfigDescriptionValidatorTest {
         params.put(TXT_MAX_PARAM_NAME, String.valueOf(MIN_VIOLATED));
         params.put(TXT_PATTERN_PARAM_NAME, "abbbc");
         params.put(TXT_MAX_PATTERN_PARAM_NAME, "abc");
+        params.put(TXT_MULTIPLE_LIMIT_PARAM_NAME, List.of("1", "2"));
         params.put(INT_PARAM_NAME, null);
         params.put(INT_REQUIRED_PARAM_NAME, 0);
         params.put(INT_MIN_PARAM_NAME, MIN);
@@ -422,6 +422,16 @@ public class ConfigDescriptionValidatorTest {
     // MISC VALIDATIONS
     // ===========================================================================
 
+    @Test
+    public void assertValidationThrowsExceptionForMultipleLimitViolated() {
+        List<ConfigValidationMessage> expected = List.of(new ConfigValidationMessage(TXT_MULTIPLE_LIMIT_PARAM_NAME,
+                MessageKey.MULTIPLE_LIMIT_VIOLATED.defaultMessage, MessageKey.MULTIPLE_LIMIT_VIOLATED.key, 2, 3));
+        params.put(TXT_MULTIPLE_LIMIT_PARAM_NAME, List.of("1", "2", "3"));
+        ConfigValidationException exception = Assertions.assertThrows(ConfigValidationException.class,
+                () -> configDescriptionValidator.validate(params, CONFIG_DESCRIPTION_URI));
+        assertThat(getConfigValidationMessages(exception), is(expected));
+    }
+
     @Test
     public void assertValidationThrowsExceptionContainingMultipleVariousViolations() {
         List<ConfigValidationMessage> expected = Stream.of(