How to use

GroupByImpl

in

com.nhaarman.sqlitebuilder.impl

@NotNull
@Override
public GroupBy groupBy(@NotNull final String expression) {
 return new GroupByImpl(expression, this);
}

@Test
public void previous_returnsProperItem() {
 /* Given */
 SqlPart sqlPart = mock(SqlPart.class);
 GroupByImpl groupBy = new GroupByImpl("a", sqlPart);
 /* When */
 SqlPart result = groupBy.previous();
 /* Then */
 assertThat(result, is(sqlPart));
}

@Test
public void orderBy_returnsNotNullValue() {
 /* Given */
 GroupByImpl groupBy = new GroupByImpl("a", mock(SqlPart.class));
 /* When */
 OrderBy result = groupBy.orderBy("a");
 /* Then */
 assertThat(result, is(notNullValue()));
}

 @Test
 public void limit_returnsNotNullValue() {
  /* Given */
  GroupByImpl groupBy = new GroupByImpl("a", mock(SqlPart.class));

  /* When */
  Limit result = groupBy.limit(5);

  /* Then */
  assertThat(result, is(notNullValue()));
 }
}

@Test
public void prependTo_prependsProperSql() {
 /* Given */
 GroupByImpl groupBy = new GroupByImpl("a", mock(SqlPart.class));
 RawSqlBuilder builder = new RawSqlBuilderImpl();
 /* When */
 groupBy.prependTo(builder);
 /* Then */
 assertThat(builder.toString(), is("GROUP BY a"));
}

@NotNull
@Override
public GroupBy groupBy(@NotNull final String expression) {
 return new GroupByImpl(expression, this);
}