#325 Implement equals() and hashCode() in SendMessage

telegrambots-meta/src/main/java/org/telegram/telegrambots/api/methods/send/SendMessage.java

@@ -187,6 +187,35 @@ public class SendMessage extends BotApiMethod<Message> {
         }
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (o == this) return true;
+        if (!(o instanceof SendMessage)) {
+            return false;
+        }
+        SendMessage sendMessage = (SendMessage) o;
+        return Objects.equals(chatId, sendMessage.chatId)
+                && Objects.equals(disableNotification, sendMessage.disableNotification)
+                && Objects.equals(disableWebPagePreview, sendMessage.disableWebPagePreview)
+                && Objects.equals(parseMode, sendMessage.parseMode)
+                && Objects.equals(replyMarkup, sendMessage.replyMarkup)
+                && Objects.equals(replyToMessageId, sendMessage.replyToMessageId)
+                && Objects.equals(text, sendMessage.text)
+                ;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(
+                chatId,
+                disableNotification,
+                disableWebPagePreview,
+                parseMode,
+                replyMarkup,
+                replyToMessageId,
+                text);
+    }
+
     @Override
     public String toString() {
         return "SendMessage{" +

telegrambots-meta/src/test/java/org/telegram/telegrambots/api/methods/send/SendMessageTest.java

@@ -0,0 +1,25 @@
+package org.telegram.telegrambots.api.methods.send;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class SendMessageTest {
+
+    @Test
+    public void comparison() throws Exception {
+        SendMessage sm1 = new SendMessage().setChatId(1L).setText("Hello World");
+        SendMessage sm2 = new SendMessage().setChatId(1L).setText("Hello World");
+        SendMessage noMessage = new SendMessage().setChatId(1L);
+        SendMessage disabledNotification = new SendMessage().setChatId(1L).setText("Hello World").disableNotification();
+
+        assertTrue(sm1.equals(sm2));
+        assertFalse(sm1.equals(noMessage));
+        assertFalse(sm1.equals(disabledNotification));
+
+        assertTrue(sm1.hashCode() == sm2.hashCode());
+        assertFalse(sm1.hashCode() == noMessage.hashCode());
+        assertFalse(sm1.hashCode() == disabledNotification.hashCode());
+    }
+
+}