Phillip Pemberton code

pom.xml

@@ -39,6 +39,12 @@
             <artifactId>joda-time</artifactId>
             <version>${joda.time.version}</version>
         </dependency>
+        <dependency>
+          <groupId>org.apache.commons</groupId>
+          <artifactId>commons-text</artifactId>
+          <version>1.9</version>
+          <scope>compile</scope>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/com/github/archarithms/.vs/ProjectSettings.json

@@ -0,0 +1,3 @@
+{
+  "CurrentProjectSetting": null
+}

src/main/java/com/github/archarithms/App.java

@@ -1,15 +1,64 @@
 package com.github.archarithms;
 
 
+import org.apache.commons.text.*;// external library
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+
+import java.util.Date;
+import java.text.SimpleDateFormat;
+
 public class App
 {
+  // convert string to title case
   public static String convertToTitleCase(final String inpStr)
   {
-    return inpStr;
+    //check for null
+    if (inpStr == null)
+    {
+      throw new NullPointerException();
+	}
+
+    //lowercase conversion
+    String tempStr = inpStr.toLowerCase();
+
+    //remove non alphaNum chars with regex
+    tempStr = tempStr.replaceAll("[^a-zA-Z0-9]"," ");
+
+    //remove standard whitespace chars
+    tempStr = tempStr.trim();
+
+    String outStr = WordUtils.capitalize(tempStr);
+
+    return outStr;
+
   }
 
+  //convert epoch tome value in seconds to  Date format
   public static String convertUnixToDateString(final Long inpUnixSeconds)
   {
-    return String.valueOf(inpUnixSeconds);
+    //check for null
+    if(inpUnixSeconds==null)
+    {
+      throw new NullPointerException();
+    }
+    else     //convert from epoch time
+    {
+    return LocalDateTime.ofInstant(Instant.ofEpochSecond(inpUnixSeconds),
+            ZoneId.systemDefault()).format(DateTimeFormatter.ofPattern("MMMM d, YYYY"));
+    }
+
+  }
+
+  // get todays date and return as string
+    public static String convertUnixToDateString()
+  {
+    Date date = new Date();
+
+    long date_sec = date.getTime()/1000;
+
+    return convertUnixToDateString(date_sec);
   }
 }

src/test/java/com/github/archarithms/test/DateStringTests.java

@@ -4,7 +4,6 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
-
 import com.github.archarithms.App;
 
 /**
@@ -33,4 +32,26 @@ public void testConvertUnixToDateString() {
     public void testNullCase() {
         assertThrows(Exception.class, () -> App.convertUnixToDateString(null));
     }
+
+//    @Test
+//    public void testestConvertUnixToDateStringWrongType() {
+//        int wrongType = 50000;
+//        assertThrows(Exception.class, () -> App.convertUnixToDateString(wrongType));
+
+//NOTE: cant test for wrong type as the function being tested does not accept generic types
+// will produce a compile time error due to strong tlyping rules
+//}
+
+    /**
+     * Test overloaded convertUnixToDateString no params
+     * NOTE: The testStr variable needs set to today's date or the test will fail
+     * Set testStr to todays date and then uncomment to run test.
+     */
+    /* @Test
+    public void testToday() {
+        String testStr = "May 12, 2021";
+        assertTrue(testStr.equals(App.convertUnixToDateString()));
+    } */
+
+
 }

src/test/java/com/github/archarithms/test/TitleCaseTests.java

@@ -1,9 +1,7 @@
 package com.github.archarithms.test;
 
 import static org.junit.jupiter.api.Assertions.assertTrue;
-
 import org.junit.jupiter.api.Test;
-
 import com.github.archarithms.App;
 
 /**
@@ -16,12 +14,22 @@ public class TitleCaseTests
      * UNCOMMENT THE UNIT TESTS TO RUN THEM. FEEL FREE TO ADD MORE!
      */
 
+     /**
+     * Test the testConvertToTitleCase method
+     */
+    @Test
+    public void testConvertToTitleCaseNoWhitespace() {
+        String testStr = "Title Case";
+        assertTrue(testStr.equals(App.convertToTitleCase("   TITLE_CASE   ")));
+    }
+
     /**
      * Test the testConvertToTitleCase method
      */
     @Test
     public void testConvertToTitleCase() {
         String testStr = "Title Case";
+         System.out.println(App.convertToTitleCase("TITLE_CASE"));
         assertTrue(testStr.equals(App.convertToTitleCase("TITLE_CASE")));
     }