package org.jnarrate.fit.fixture.entityname;

import org.jnarrate.tinytype.TinyType;

public class MethodName extends TinyType<String>{

  public MethodName(String name) {

    super(convertToMethodCase(name));

  }

  private static String convertToMethodCase(String name) {

    StringBuffer result = new StringBuffer();

    String[] words = name.trim().split("\\s+");

    for (String word : words) {

      result.append(capitalised(word));

    }

    return lowerCaseFirstLetterOf(result.toString());

  }

  private static String capitalised(String word) {

    return firstLetterOf(word).toUpperCase() + restOf(word);

  }

  private static String firstLetterOf(String word) {

    return word.substring(0,1);

  }

  private static String restOf(String word) {

    return word.substring(1);

  }

  private static String lowerCaseFirstLetterOf(String name) {

    return firstLetterOf(name).toLowerCase() + restOf(name);

  }

}

package org.jnarrate.fit.fixture.entityname;

import static org.hamcrest.CoreMatchers.is;

import static org.junit.Assert.assertThat;

import java.util.Arrays;

import java.util.List;

import org.junit.Test;

public class MethodNameShould {

  @Test

  public void convertSomethingDifferentToMethodCase() throws Exception {

    assertThat(converted("a different method name"), is("aDifferentMethodName"));

  }

  @Test

  public void convertTheseToMethodCase() throws Exception {

    List<String> methodNames = Arrays.asList (

        "a Method Name",

        "A Method Name",

        "A method name",

        "A method  name",

        "A method  name ",

        " A method  name"

        );

    for (String methodName : methodNames) {

      assertThat("Expected [" + methodName + "] to be converted to aMethodName", converted(methodName), is("aMethodName"));

    }

  }

  private String converted(String methodName) {

    return new MethodName(methodName).toString();

  }

}