Tsdk 428 create j unit tests for token info (#98)

Tsdk 428 create j unit tests for token info

Co-authored-by: Mostafa Rashed <17770919+mrashed-dev@users.noreply.github.com>

Author: RicardoGeek

src/test/java/com/nylas/TokenInfoTest.java

@@ -0,0 +1,34 @@
+package com.nylas;
+
+import jdk.nashorn.internal.parser.Token;
+import org.junit.jupiter.api.Test;
+
+import java.lang.reflect.Field;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+public class TokenInfoTest {
+
+    @Test
+    public void testGetters() throws NoSuchFieldException, IllegalAccessException {
+        TokenInfo tokenInfo = new TokenInfo();
+        setField("created_at", 1664983332L, tokenInfo);
+        setField("updated_at", 1664983333L, tokenInfo);
+        setField("scopes", "email,calendar", tokenInfo);
+        setField("state", "valid", tokenInfo);
+
+        assertNotNull(tokenInfo);
+        assertEquals(tokenInfo.getCreatedAt().getEpochSecond(), 1664983332L);
+        assertEquals(tokenInfo.getUpdatedAt().getEpochSecond(), 1664983333L);
+        assertEquals(tokenInfo.getScopes(), "email,calendar");
+        assertEquals(tokenInfo.getState(), "valid");
+        assertEquals(tokenInfo.toString(), "TokenInfo [created_at=2022-10-05T15:22:12Z, updated_at=2022-10-05T15:22:13Z, scopes=email,calendar, state=valid]");
+    }
+
+    private void setField(String fieldName, Object fieldValue, Object o) throws NoSuchFieldException, IllegalAccessException {
+        Field codeField = o.getClass().getDeclaredField(fieldName);
+        codeField.setAccessible(true);
+        codeField.set(o, fieldValue);
+    }
+}