test: complete first test for help message

src/main/java/com/github/polpetta/mezzotre/App.java

@@ -1,10 +1,10 @@
 package com.github.polpetta.mezzotre;
 
-import com.github.polpetta.mezzotre.orm.di.Db;
+import com.github.polpetta.mezzotre.orm.OrmDI;
+import com.github.polpetta.mezzotre.route.RouteDI;
 import com.github.polpetta.mezzotre.route.Telegram;
-import com.github.polpetta.mezzotre.route.di.Route;
-import com.github.polpetta.mezzotre.telegram.callbackquery.di.CallbackQuery;
-import com.github.polpetta.mezzotre.telegram.command.di.Command;
+import com.github.polpetta.mezzotre.telegram.callbackquery.CallbackQueryDI;
+import com.github.polpetta.mezzotre.telegram.command.CommandDI;
 import com.github.polpetta.mezzotre.util.di.ThreadPool;
 import com.google.inject.*;
 import com.google.inject.Module;
@@ -23,11 +23,11 @@ public class App extends Jooby {
   public static final Function<Jooby, Collection<Module>> DEFAULT_DI_MODULES =
       (jooby) -> {
         final HashSet<Module> modules = new HashSet<>();
-        modules.add(new Db());
+        modules.add(new OrmDI());
         modules.add(new ThreadPool());
-        modules.add(new Route());
-        modules.add(new Command());
-        modules.add(new CallbackQuery());
+        modules.add(new RouteDI());
+        modules.add(new CommandDI());
+        modules.add(new CallbackQueryDI());
         return modules;
       };
 
@@ -42,7 +42,7 @@ public class App extends Jooby {
     if (modules == null || modules.size() == 0) {
       toInject = DEFAULT_DI_MODULES.apply(this);
     }
-    toInject.add(new InjectionModule(this));
+    toInject.add(new AppDI(this));
     toInject.add(new JoobyModule(this));
 
     final Injector injector = Guice.createInjector(runningEnv, toInject);

src/main/java/com/github/polpetta/mezzotre/AppDI.java

@@ -7,13 +7,13 @@ import javax.inject.Named;
 import javax.inject.Singleton;
 import org.slf4j.Logger;
 
-public class InjectionModule extends AbstractModule {
+public class AppDI extends AbstractModule {
 
   // In the future we can get this name from mvn, by now it is good as it is
   public static final String APPLICATION_NAME = "Mezzotre";
   private final Jooby jooby;
 
-  public InjectionModule(Jooby jooby) {
+  public AppDI(Jooby jooby) {
     this.jooby = jooby;
   }
 

src/main/java/com/github/polpetta/mezzotre/orm/OrmDI.java

@@ -1,4 +1,4 @@
-package com.github.polpetta.mezzotre.orm.di;
+package com.github.polpetta.mezzotre.orm;
 
 import com.google.inject.AbstractModule;
 import com.google.inject.Provides;
@@ -10,7 +10,7 @@ import io.jooby.flyway.FlywayModule;
 import io.jooby.hikari.HikariModule;
 import javax.inject.Named;
 
-public class Db extends AbstractModule {
+public class OrmDI extends AbstractModule {
   /**
    * Returns null. This allows to fetch the configuration from file rather than fetch from other
    * environment

src/main/java/com/github/polpetta/mezzotre/route/RouteDI.java

@@ -1,4 +1,4 @@
-package com.github.polpetta.mezzotre.route.di;
+package com.github.polpetta.mezzotre.route;
 
 import com.google.inject.AbstractModule;
 import com.google.inject.Provides;
@@ -7,7 +7,7 @@ import io.jooby.Jooby;
 import java.util.Optional;
 import javax.inject.Singleton;
 
-public class Route extends AbstractModule {
+public class RouteDI extends AbstractModule {
   @Provides
   @Singleton
   public TelegramBot getTelegramBot(Jooby jooby) {

src/main/java/com/github/polpetta/mezzotre/telegram/callbackquery/CallbackQueryDI.java

@@ -1,8 +1,5 @@
-package com.github.polpetta.mezzotre.telegram.callbackquery.di;
+package com.github.polpetta.mezzotre.telegram.callbackquery;
 
-import com.github.polpetta.mezzotre.telegram.callbackquery.Processor;
-import com.github.polpetta.mezzotre.telegram.callbackquery.SelectLanguageTutorial;
-import com.github.polpetta.mezzotre.telegram.callbackquery.ShowHelp;
 import com.google.inject.AbstractModule;
 import com.google.inject.Provides;
 import java.util.HashMap;
@@ -10,7 +7,7 @@ import java.util.Map;
 import javax.inject.Named;
 import javax.inject.Singleton;
 
-public class CallbackQuery extends AbstractModule {
+public class CallbackQueryDI extends AbstractModule {
 
   @Provides
   @Singleton

src/main/java/com/github/polpetta/mezzotre/telegram/callbackquery/Field.java

@@ -0,0 +1,37 @@
+package com.github.polpetta.mezzotre.telegram.callbackquery;
+
+public interface Field {
+  /**
+   * Additional fields that are related to {@code changeLanguage} event
+   *
+   * @author Davide Polonio
+   * @since 1.0
+   */
+  enum SelectLanguageTutorial {
+    NewLanguage("newLanguage");
+
+    private final String name;
+
+    SelectLanguageTutorial(String name) {
+      this.name = name;
+    }
+
+    public String getName() {
+      return name;
+    }
+  }
+
+  enum ShowHelp {
+    InvokedFromHelpMessage("invokedFromHelpMessage");
+
+    private final String name;
+
+    ShowHelp(String name) {
+      this.name = name;
+    }
+
+    public String getName() {
+      return name;
+    }
+  }
+}

src/main/java/com/github/polpetta/mezzotre/telegram/callbackquery/Processor.java

@@ -17,12 +17,20 @@ import java.util.concurrent.CompletableFuture;
 public interface Processor {
 
   /**
-   * The even name this processor is able to process
+   * The event name this processor is able to process
    *
-   * @return a {@link String} containig the name of the event supported
+   * @return a {@link String} containing the name of the event supported
    */
   String getEventName();
 
+  default boolean canBeDirectlyInvokedByTheUser() {
+    return false;
+  }
+
+  default Optional<String> getPrettyPrintLocaleKeyName() {
+    return Optional.empty();
+  }
+
   /**
    * Process the current event
    *

src/main/java/com/github/polpetta/mezzotre/telegram/callbackquery/SelectLanguageTutorial.java

@@ -39,47 +39,6 @@ public class SelectLanguageTutorial implements Processor {
   private final Logger log;
   private final UUIDGenerator uuidGenerator;
 
-  /**
-   * Additional fields that are related to {@code changeLanguage} event
-   *
-   * @author Davide Polonio
-   * @since 1.0
-   */
-  public enum Field {
-    NewLanguage("newLanguage");
-
-    private final String name;
-
-    Field(String name) {
-      this.name = name;
-    }
-
-    public String getName() {
-      return name;
-    }
-  }
-
-  /**
-   * Possible values for the additional {@link Field} of {@code changeLanguage} event
-   *
-   * @author Davide Polonio
-   * @since 1.0
-   */
-  public enum Language {
-    English("en-US"),
-    Italian("it-IT");
-
-    private final String locale;
-
-    Language(String locale) {
-      this.locale = locale;
-    }
-
-    public String getLocale() {
-      return locale;
-    }
-  }
-
   @Inject
   public SelectLanguageTutorial(
       @Named("eventThreadPool") Executor threadPool,
@@ -120,7 +79,8 @@ public class SelectLanguageTutorial implements Processor {
                                       .getFields()
                                       .getAdditionalProperties()
                                       .getOrDefault(
-                                          Field.NewLanguage.getName(), tgChat.getLocale()));
+                                          Field.SelectLanguageTutorial.NewLanguage.getName(),
+                                          tgChat.getLocale()));
                           tgChat.save();
                           log.trace(
                               "Locale for chat "
@@ -166,7 +126,9 @@ public class SelectLanguageTutorial implements Processor {
               if (!tgChat.getHasHelpBeenShown()) {
                 // Add a button to show all the possible commands
                 final String showMeTutorialString =
-                    templateContentGenerator.getString(tgChat.getLocale(), "button.showMeTutorial");
+                    templateContentGenerator.getString(
+                        tgChat.getLocale(),
+                        "selectLanguageTutorial.showMeTutorialInlineKeyboardButtonName");
 
                 final CallbackQueryMetadata callbackQueryMetadata =
                     new CallbackQueryMetadata.CallbackQueryMetadataBuilder()

src/main/java/com/github/polpetta/mezzotre/telegram/callbackquery/ShowHelp.java

@@ -7,7 +7,7 @@ import com.pengrad.telegrambot.request.SendMessage;
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 
-public class ShowHelp implements Processor {
+class ShowHelp implements Processor {
 
   public static String EVENT_NAME = "showHelp";
 

src/main/java/com/github/polpetta/mezzotre/telegram/callbackquery/Value.java

@@ -0,0 +1,25 @@
+package com.github.polpetta.mezzotre.telegram.callbackquery;
+
+public interface Value {
+  /**
+   * Possible values for the additional {@link Field.SelectLanguageTutorial} of {@code
+   * changeLanguage} event
+   *
+   * @author Davide Polonio
+   * @since 1.0
+   */
+  enum SelectLanguageTutorial {
+    English("en-US"),
+    Italian("it-IT");
+
+    private final String locale;
+
+    SelectLanguageTutorial(String locale) {
+      this.locale = locale;
+    }
+
+    public String getLocale() {
+      return locale;
+    }
+  }
+}

src/main/java/com/github/polpetta/mezzotre/telegram/command/CommandDI.java

@@ -1,6 +1,5 @@
-package com.github.polpetta.mezzotre.telegram.command.di;
+package com.github.polpetta.mezzotre.telegram.command;
 
-import com.github.polpetta.mezzotre.telegram.command.*;
 import com.google.inject.AbstractModule;
 import com.google.inject.Provides;
 import com.google.inject.assistedinject.FactoryModuleBuilder;
@@ -12,7 +11,7 @@ import org.apache.velocity.app.VelocityEngine;
 import org.apache.velocity.runtime.RuntimeConstants;
 import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;
 
-public class Command extends AbstractModule {
+public class CommandDI extends AbstractModule {
 
   @Override
   protected void configure() {

src/main/java/com/github/polpetta/mezzotre/telegram/command/Help.java

@@ -1,10 +1,17 @@
 package com.github.polpetta.mezzotre.telegram.command;
 
 import com.github.polpetta.mezzotre.i18n.TemplateContentGenerator;
+import com.github.polpetta.mezzotre.orm.model.CallbackQueryContext;
 import com.github.polpetta.mezzotre.orm.model.TgChat;
+import com.github.polpetta.mezzotre.telegram.callbackquery.Field;
 import com.github.polpetta.mezzotre.util.Clock;
+import com.github.polpetta.mezzotre.util.UUIDGenerator;
+import com.github.polpetta.types.json.CallbackQueryMetadata;
 import com.github.polpetta.types.json.ChatContext;
 import com.pengrad.telegrambot.model.Update;
+import com.pengrad.telegrambot.model.request.InlineKeyboardButton;
+import com.pengrad.telegrambot.model.request.InlineKeyboardMarkup;
+import com.pengrad.telegrambot.model.request.ParseMode;
 import com.pengrad.telegrambot.request.BaseRequest;
 import com.pengrad.telegrambot.request.SendMessage;
 import java.util.Map;
@@ -25,17 +32,25 @@ public class Help implements Processor {
   private final Executor threadPool;
   private final Clock clock;
   private final Map<String, Processor> tgCommandProcessors;
+  private final Map<String, com.github.polpetta.mezzotre.telegram.callbackquery.Processor>
+      eventProcessor;
+  private final UUIDGenerator uuidGenerator;
 
   @Inject
   public Help(
       TemplateContentGenerator templateContentGenerator,
       @Named("eventThreadPool") Executor threadPool,
       Clock clock,
-      @Named("commandProcessor") Map<String, Processor> tgCommandProcessors) {
+      @Named("commandProcessor") Map<String, Processor> tgCommandProcessors,
+      @Named("eventProcessors")
+          Map<String, com.github.polpetta.mezzotre.telegram.callbackquery.Processor> eventProcessor,
+      UUIDGenerator uuidGenerator) {
     this.templateContentGenerator = templateContentGenerator;
     this.threadPool = threadPool;
     this.clock = clock;
     this.tgCommandProcessors = tgCommandProcessors;
+    this.eventProcessor = eventProcessor;
+    this.uuidGenerator = uuidGenerator;
   }
 
   @Override
@@ -74,9 +89,41 @@ public class Help implements Processor {
           chat.setHasHelpBeenShown(true);
           chat.save();
 
-          // FIXME put all the buttons here
+          final SendMessage sendMessage =
+              new SendMessage(chat.getId(), message).parseMode(ParseMode.Markdown);
 
-          return Optional.of(new SendMessage(chat.getId(), message));
+          final String callBackGroupId = uuidGenerator.generateAsString();
+          final InlineKeyboardButton[] collect =
+              eventProcessor.values().stream()
+                  .filter(
+                      com.github.polpetta.mezzotre.telegram.callbackquery.Processor
+                          ::canBeDirectlyInvokedByTheUser)
+                  .filter(e -> e.getPrettyPrintLocaleKeyName().isPresent())
+                  .map(
+                      eventProcessor -> {
+                        final CallbackQueryContext callbackQueryContext =
+                            new CallbackQueryContext(
+                                uuidGenerator.generateAsString(),
+                                callBackGroupId,
+                                new CallbackQueryMetadata.CallbackQueryMetadataBuilder()
+                                    .withEvent(eventProcessor.getEventName())
+                                    .withTelegramChatId(chat.getId())
+                                    .withAdditionalProperty(
+                                        Field.ShowHelp.InvokedFromHelpMessage.getName(), true)
+                                    .build());
+                        callbackQueryContext.save();
+
+                        return new InlineKeyboardButton(
+                                templateContentGenerator.getString(
+                                    chat.getLocale(),
+                                    eventProcessor.getPrettyPrintLocaleKeyName().get()))
+                            .callbackData(callbackQueryContext.getId());
+                      })
+                  .toArray(InlineKeyboardButton[]::new);
+
+          sendMessage.replyMarkup(new InlineKeyboardMarkup(collect));
+
+          return Optional.of(sendMessage);
         },
         threadPool);
   }

src/main/java/com/github/polpetta/mezzotre/telegram/command/Start.java

@@ -3,7 +3,8 @@ package com.github.polpetta.mezzotre.telegram.command;
 import com.github.polpetta.mezzotre.i18n.TemplateContentGenerator;
 import com.github.polpetta.mezzotre.orm.model.CallbackQueryContext;
 import com.github.polpetta.mezzotre.orm.model.TgChat;
-import com.github.polpetta.mezzotre.telegram.callbackquery.SelectLanguageTutorial;
+import com.github.polpetta.mezzotre.telegram.callbackquery.Field;
+import com.github.polpetta.mezzotre.telegram.callbackquery.Value;
 import com.github.polpetta.mezzotre.util.Clock;
 import com.github.polpetta.mezzotre.util.UUIDGenerator;
 import com.github.polpetta.types.json.CallbackQueryMetadata;
@@ -100,11 +101,13 @@ public class Start implements Processor {
                   uuidGenerator.generateAsString(),
                   groupId,
                   new CallbackQueryMetadata.CallbackQueryMetadataBuilder()
-                      .withEvent(SelectLanguageTutorial.EVENT_NAME)
+                      .withEvent(
+                          com.github.polpetta.mezzotre.telegram.callbackquery.SelectLanguageTutorial
+                              .EVENT_NAME)
                       .withTelegramChatId(update.message().chat().id())
                       .withAdditionalProperty(
-                          SelectLanguageTutorial.Field.NewLanguage.getName(),
-                          SelectLanguageTutorial.Language.English.getLocale())
+                          Field.SelectLanguageTutorial.NewLanguage.getName(),
+                          Value.SelectLanguageTutorial.English.getLocale())
                       .build());
 
           final CallbackQueryContext switchToItalian =
@@ -112,11 +115,13 @@ public class Start implements Processor {
                   uuidGenerator.generateAsString(),
                   groupId,
                   new CallbackQueryMetadata.CallbackQueryMetadataBuilder()
-                      .withEvent(SelectLanguageTutorial.EVENT_NAME)
+                      .withEvent(
+                          com.github.polpetta.mezzotre.telegram.callbackquery.SelectLanguageTutorial
+                              .EVENT_NAME)
                       .withTelegramChatId(update.message().chat().id())
                       .withAdditionalProperty(
-                          SelectLanguageTutorial.Field.NewLanguage.getName(),
-                          SelectLanguageTutorial.Language.Italian.getLocale())
+                          Field.SelectLanguageTutorial.NewLanguage.getName(),
+                          Value.SelectLanguageTutorial.Italian.getLocale())
                       .build());
 
           final String englishButton =

src/main/resources/i18n/message.properties

@@ -1,14 +1,17 @@
 start.helloFirstName=Hello {0}! \ud83d\udc4b
-start.description=This is {0}, a simple bot focused on DnD content management! Please start by choosing a language down below \ud83d\udc47
+start.description=This is {0}, a simple bot focused on DnD content management! Please start by choosing a selectLanguageTutorial down below \ud83d\udc47
 start.cmdDescription=Trigger this very bot
+start.inlineKeyboardButtonName=Let''s begin!
+selectLanguageTutorial.inlineKeyboardButtonName=Select language
 selectLanguageTutorial.drinkAction=*Proceeds to drink a potion with a strange, multicolor liquid*
-selectLanguageTutorial.setLanguage=Thanks! Now that I drank this modified potion of {0} that I''ve found at the "Crystal Fermentary" magic potion shop yesterday I can speak with you in the language that you prefer!
-selectLanguageTutorial.instructions=You can always change your language settings by typing /selectLanguageTutorial in the chat.
+selectLanguageTutorial.setLanguage=Thanks! Now that I drank this modified potion of {0} that I''ve found at the "Crystal Fermentary" magic potion shop yesterday I can speak with you in the selectLanguageTutorial that you prefer!
+selectLanguageTutorial.instructions=You can always change your selectLanguageTutorial settings by typing /selectLanguageTutorial in the chat.
 changeLanguage.english=English
 changeLanguage.italian=Italian
 changeLanguage.cmdDescription=Select the new language I will use to speak to you
+changeLanguage.inlineKeyboardButtonName=Change language
 spell.speakWithAnimals=Speak with animals
-button.showMeTutorial=Show me what you can do!
+selectLanguageTutorial.showMeTutorialInlineKeyboardButtonName=Show me what you can do!
 help.notShownYet=It seems you haven''t checked out what I can do yet! To have a complete list of my abilities, type /help in chat at any time!
 help.buttonBelow=Alternatively, you can click the button down below.
 help.description=Here is a list of what I can do

src/main/resources/i18n/message_en_US.properties

@@ -1,11 +1,11 @@
 start.helloFirstName=Hello {0}! \ud83d\udc4b
-start.description=This is {0}, a simple bot focused on DnD content management! Please start by choosing a language down below \ud83d\udc47
+start.description=This is {0}, a simple bot focused on DnD content management! Please start by choosing a selectLanguageTutorial down below \ud83d\udc47
 selectLanguageTutorial.drinkAction=*Proceeds to drink a potion with a strange, multicolor liquid*
-selectLanguageTutorial.setLanguage=Thanks! Now that I drank this modified potion of {0} that I''ve found at the "Crystal Fermentary" magic potion shop yesterday I can speak with you in the language that you prefer!
-selectLanguageTutorial.instructions=You can always change your language settings by typing /selectLanguageTutorial in the chat.
+selectLanguageTutorial.setLanguage=Thanks! Now that I drank this modified potion of {0} that I''ve found at the "Crystal Fermentary" magic potion shop yesterday I can speak with you in the selectLanguageTutorial that you prefer!
+selectLanguageTutorial.instructions=You can always change your selectLanguageTutorial settings by typing /selectLanguageTutorial in the chat.
 selectLanguageTutorial.english=English
 selectLanguageTutorial.italian=Italian
 spell.speakWithAnimals=Speak with animals
-button.showMeTutorial=Show me what you can do!
+selectLanguageTutorial.showMeTutorialInlineKeyboardButtonName=Show me what you can do!
 help.notShownYet=It seems you haven''t checked out what I can do yet! To have a complete list of my abilities, type /help in chat at any time!
 help.buttonBelow=Alternatively, you can click the button down below.

src/main/resources/i18n/message_it.properties

@@ -6,6 +6,6 @@ selectLanguageTutorial.instructions=Puoi sempre cambiare le preferenze della tua
 selectLanguageTutorial.english=Inglese
 selectLanguageTutorial.italian=Italiano
 spell.speakWithAnimals=Parlare con animali
-button.showMeTutorial=Mostrami cosa puoi fare!
+selectLanguageTutorial.showMeTutorialInlineKeyboardButtonName=Mostrami cosa puoi fare!
 help.notShownYet=Sembra tu non abbia ancora visto cosa posso fare! Per avere una lista completa delle mie abilità, scrivi /help nella chat in qualsiasi momento!
 help.buttonBelow=Alternativamente, puoi premere il bottone qui sotto.

src/main/resources/i18n/message_it_IT.properties

@@ -6,6 +6,6 @@ selectLanguageTutorial.instructions=Puoi sempre cambiare le preferenze della tua
 selectLanguageTutorial.english=Inglese
 selectLanguageTutorial.italian=Italiano
 spell.speakWithAnimals=Parlare con animali
-button.showMeTutorial=Mostrami cosa puoi fare!
+selectLanguageTutorial.showMeTutorialInlineKeyboardButtonName=Mostrami cosa puoi fare!
 help.notShownYet=Sembra tu non abbia ancora visto cosa posso fare! Per avere una lista completa delle mie abilità, scrivi /help nella chat in qualsiasi momento!
 help.buttonBelow=Alternativamente, puoi premere il bottone qui sotto.

src/test/java/com/github/polpetta/mezzotre/helper/IntegrationAppFactory.java

@@ -1,7 +1,7 @@
 package com.github.polpetta.mezzotre.helper;
 
 import com.github.polpetta.mezzotre.App;
-import com.github.polpetta.mezzotre.route.di.Route;
+import com.github.polpetta.mezzotre.route.RouteDI;
 import com.google.inject.AbstractModule;
 import com.google.inject.Provides;
 import com.google.inject.Singleton;
@@ -56,7 +56,7 @@ public class IntegrationAppFactory {
     final PostgreSQLContainer<?> container =
         new PostgreSQLContainer<>(TestConfig.POSTGRES_DOCKER_IMAGE);
     container.start();
-    final Route routeModule = new Route();
+    final RouteDI routeModule = new RouteDI();
     final DatabaseDI databaseDI = new DatabaseDI(container);
     return new App(Stage.DEVELOPMENT, Set.of(databaseDI, routeModule));
   }

src/test/java/com/github/polpetta/mezzotre/orm/model/CallbackQueryDIContextIntegrationTest.java

@@ -23,7 +23,7 @@ import org.testcontainers.junit.jupiter.Testcontainers;
 @Tag("slow")
 @Tag("database")
 @Testcontainers
-class CallbackQueryContextIntegrationTest {
+class CallbackQueryDIContextIntegrationTest {
 
   private static ObjectMapper objectMapper;
   private static UUIDGenerator uuidGenerator;

src/test/java/com/github/polpetta/mezzotre/telegram/callbackquery/SelectLanguageTutorialIntegrationTest.java

@@ -77,7 +77,7 @@ class SelectLanguageTutorialIntegrationTest {
   private static Stream<Arguments> getTestLocales() {
     return Stream.of(
         Arguments.of(
-            SelectLanguageTutorial.Language.Italian,
+            Value.SelectLanguageTutorial.Italian,
             "_*Procede a bere una pozione al cui suo interno si trova uno strano liquido"
                 + " multicolore*_\n"
                 + "\n"
@@ -95,7 +95,7 @@ class SelectLanguageTutorialIntegrationTest {
             "Mostrami cosa puoi fare!",
             false),
         Arguments.of(
-            SelectLanguageTutorial.Language.English,
+            Value.SelectLanguageTutorial.English,
             "_*Proceeds to drink a potion with a strange, multicolor liquid*_\n"
                 + "\n"
                 + "Thanks! Now that I drank this modified potion of Speak with animals that I've"
@@ -112,7 +112,7 @@ class SelectLanguageTutorialIntegrationTest {
             "Show me what you can do!",
             false),
         Arguments.of(
-            SelectLanguageTutorial.Language.Italian,
+            Value.SelectLanguageTutorial.Italian,
             "_*Procede a bere una pozione al cui suo interno si trova uno strano liquido"
                 + " multicolore*_\n"
                 + "\n"
@@ -126,7 +126,7 @@ class SelectLanguageTutorialIntegrationTest {
             "Mostrami cosa puoi fare!",
             true),
         Arguments.of(
-            SelectLanguageTutorial.Language.English,
+            Value.SelectLanguageTutorial.English,
             "_*Proceeds to drink a potion with a strange, multicolor liquid*_\n"
                 + "\n"
                 + "Thanks! Now that I drank this modified potion of Speak with animals that I've"
@@ -144,7 +144,7 @@ class SelectLanguageTutorialIntegrationTest {
   @Timeout(value = 1, unit = TimeUnit.MINUTES)
   @MethodSource("getTestLocales")
   void shouldProcessChangeLanguageToDesiredOneSendMessage(
-      SelectLanguageTutorial.Language language,
+      Value.SelectLanguageTutorial selectLanguageTutorial,
       String expectedResult,
       String startingLocale,
       String buttonLocale,
@@ -184,7 +184,8 @@ class SelectLanguageTutorialIntegrationTest {
             .withEvent("selectLanguageTutorial")
             .withTelegramChatId(tgChatId)
             .withAdditionalProperty(
-                SelectLanguageTutorial.Field.NewLanguage.getName(), language.getLocale())
+                Field.SelectLanguageTutorial.NewLanguage.getName(),
+                selectLanguageTutorial.getLocale())
             .build();
     final String entryGroupId = "2e67774a-e4e4-4369-a414-a7f8bfe74b80";
     final CallbackQueryContext changeLanguageCallbackQueryContext =
@@ -193,7 +194,7 @@ class SelectLanguageTutorialIntegrationTest {
     changeLanguageCallbackQueryContext.save();
 
     final CompletableFuture<Optional<BaseRequest<?, ?>>> processFuture =
-        selectLanguageTutorial.process(changeLanguageCallbackQueryContext, update);
+        this.selectLanguageTutorial.process(changeLanguageCallbackQueryContext, update);
     final Optional<BaseRequest<?, ?>> gotResponseOpt = processFuture.get();
     final SendMessage gotMessage = (SendMessage) gotResponseOpt.get();
     assertEquals(expectedResult, gotMessage.getParameters().get("text"));
@@ -218,7 +219,7 @@ class SelectLanguageTutorialIntegrationTest {
 
     final TgChat retrievedTgChat = new QTgChat().id.eq(tgChatId).findOne();
     assertNotNull(retrievedTgChat);
-    assertEquals(language.getLocale(), retrievedTgChat.getLocale());
+    assertEquals(selectLanguageTutorial.getLocale(), retrievedTgChat.getLocale());
 
     assertEquals(0, new QCallbackQueryContext().entryGroup.eq(entryGroupId).findCount());
   }
@@ -227,7 +228,7 @@ class SelectLanguageTutorialIntegrationTest {
   @Timeout(value = 1, unit = TimeUnit.MINUTES)
   @MethodSource("getTestLocales")
   void shouldProcessChangeLanguageToDesiredOneEditMessage(
-      SelectLanguageTutorial.Language language,
+      Value.SelectLanguageTutorial selectLanguageTutorial,
       String expectedResult,
       String startingLocale,
       String buttonLocale,
@@ -299,7 +300,8 @@ class SelectLanguageTutorialIntegrationTest {
             .withEvent("selectLanguageTutorial")
             .withTelegramChatId(tgChatId)
             .withAdditionalProperty(
-                SelectLanguageTutorial.Field.NewLanguage.getName(), language.getLocale())
+                Field.SelectLanguageTutorial.NewLanguage.getName(),
+                selectLanguageTutorial.getLocale())
             .build();
     final String entryGroupId = "2e67774a-e4e4-4369-a414-a7f8bfe74b80";
     final CallbackQueryContext changeLanguageCallbackQueryContext =
@@ -308,7 +310,7 @@ class SelectLanguageTutorialIntegrationTest {
     changeLanguageCallbackQueryContext.save();
 
     final CompletableFuture<Optional<BaseRequest<?, ?>>> processFuture =
-        selectLanguageTutorial.process(changeLanguageCallbackQueryContext, update);
+        this.selectLanguageTutorial.process(changeLanguageCallbackQueryContext, update);
     final Optional<BaseRequest<?, ?>> gotResponseOpt = processFuture.get();
     final EditMessageText gotMessage = (EditMessageText) gotResponseOpt.get();
     assertEquals(expectedResult, gotMessage.getParameters().get("text"));
@@ -333,7 +335,7 @@ class SelectLanguageTutorialIntegrationTest {
 
     final TgChat retrievedTgChat = new QTgChat().id.eq(tgChatId).findOne();
     assertNotNull(retrievedTgChat);
-    assertEquals(language.getLocale(), retrievedTgChat.getLocale());
+    assertEquals(selectLanguageTutorial.getLocale(), retrievedTgChat.getLocale());
 
     assertEquals(0, new QCallbackQueryContext().entryGroup.eq(entryGroupId).findCount());
   }

src/test/java/com/github/polpetta/mezzotre/telegram/command/HelpIntegrationTest.java

@@ -8,20 +8,23 @@ import com.github.polpetta.mezzotre.helper.Loader;
 import com.github.polpetta.mezzotre.helper.TestConfig;
 import com.github.polpetta.mezzotre.i18n.LocalizedMessageFactory;
 import com.github.polpetta.mezzotre.i18n.TemplateContentGenerator;
+import com.github.polpetta.mezzotre.orm.model.CallbackQueryContext;
 import com.github.polpetta.mezzotre.orm.model.TgChat;
 import com.github.polpetta.mezzotre.orm.model.query.QTgChat;
 import com.github.polpetta.mezzotre.util.Clock;
+import com.github.polpetta.mezzotre.util.UUIDGenerator;
 import com.github.polpetta.types.json.ChatContext;
 import com.google.gson.Gson;
 import com.pengrad.telegrambot.model.Update;
+import com.pengrad.telegrambot.model.request.InlineKeyboardButton;
+import com.pengrad.telegrambot.model.request.InlineKeyboardMarkup;
 import com.pengrad.telegrambot.request.BaseRequest;
 import com.pengrad.telegrambot.request.SendMessage;
 import io.ebean.Database;
-import java.util.HashMap;
-import java.util.Optional;
-import java.util.Set;
+import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Executors;
+import java.util.stream.Stream;
 import org.apache.velocity.app.VelocityEngine;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
@@ -112,12 +115,68 @@ class HelpIntegrationTest {
     commands.put("/b", dummy1);
     commands.put("/different", dummy2);
 
+    final Map<String, com.github.polpetta.mezzotre.telegram.callbackquery.Processor> events =
+        new HashMap<>();
+
+    final com.github.polpetta.mezzotre.telegram.callbackquery.Processor dummyEvent1 =
+        new com.github.polpetta.mezzotre.telegram.callbackquery.Processor() {
+          @Override
+          public String getEventName() {
+            return "exampleEvent";
+          }
+
+          @Override
+          public boolean canBeDirectlyInvokedByTheUser() {
+            return true;
+          }
+
+          @Override
+          public Optional<String> getPrettyPrintLocaleKeyName() {
+            return Optional.of("changeLanguage.inlineKeyboardButtonName");
+          }
+
+          @Override
+          public CompletableFuture<Optional<BaseRequest<?, ?>>> process(
+              CallbackQueryContext callbackQueryContext, Update update) {
+            return null;
+          }
+        };
+
+    final com.github.polpetta.mezzotre.telegram.callbackquery.Processor dummyEvent2 =
+        new com.github.polpetta.mezzotre.telegram.callbackquery.Processor() {
+          @Override
+          public String getEventName() {
+            return "secondExampleEvent";
+          }
+
+          @Override
+          public boolean canBeDirectlyInvokedByTheUser() {
+            return true;
+          }
+
+          @Override
+          public Optional<String> getPrettyPrintLocaleKeyName() {
+            return Optional.of("selectLanguageTutorial.inlineKeyboardButtonName");
+          }
+
+          @Override
+          public CompletableFuture<Optional<BaseRequest<?, ?>>> process(
+              CallbackQueryContext callbackQueryContext, Update update) {
+            return null;
+          }
+        };
+
+    events.put(dummyEvent1.getEventName(), dummyEvent1);
+    events.put(dummyEvent2.getEventName(), dummyEvent2);
+
     help =
         new Help(
             new TemplateContentGenerator(new LocalizedMessageFactory(velocityEngine)),
             Executors.newSingleThreadExecutor(),
             fakeClock,
-            commands);
+            commands,
+            events,
+            new UUIDGenerator());
 
     final Update update =
         gson.fromJson(
@@ -159,8 +218,30 @@ class HelpIntegrationTest {
             + " selecting the corresponding button below \uD83D\uDC47",
         message);
 
-    // TODO InputKeyboard assertions
-    fail("Add inputkeyboard assertions too");
+    final InlineKeyboardButton[][] keyboard =
+        ((InlineKeyboardMarkup)
+                gotResponse
+                    .getParameters()
+                    .getOrDefault("reply_markup", new InlineKeyboardMarkup()))
+            .inlineKeyboard();
+
+    final List<InlineKeyboardButton> keyboardButtons =
+        Stream.of(keyboard).flatMap(Stream::of).toList();
+
+    assertEquals(2, keyboardButtons.size());
+
+    assertFalse(keyboardButtons.get(0).callbackData().isBlank());
+    assertFalse(keyboardButtons.get(1).callbackData().isBlank());
+
+    assertTrue(
+        keyboardButtons.stream()
+            .map(InlineKeyboardButton::text)
+            .anyMatch("Select language"::equals));
+
+    assertTrue(
+        keyboardButtons.stream()
+            .map(InlineKeyboardButton::text)
+            .anyMatch("Change language"::equals));
 
     final TgChat gotChat = new QTgChat().id.eq(1111111L).findOne();
     assertNotNull(gotChat);