How to use

InsertColumnsImpl

in

com.nhaarman.sqlitebuilder.impl

@NotNull
@Override
public InsertColumns columns(@NotNull final String... columnNames) {
 return new InsertColumnsImpl(columnNames, this);
}

ValuesImpl(@NotNull final Object[] expressions, @NotNull final InsertColumnsImpl previous) {
 if (expressions.length != previous.getColumnCount()) {
  throw new IllegalArgumentException(String.format("Invalid number of expressions. Supplied %d columns and %d expressions.", previous.getColumnCount(), expressions.length));
 }
 mExpressions = expressions;
 mPrevious = previous;
}

@Test
public void prependTo_singleColumn_prependsProperSql() {
 /* Given */
 InsertColumnsImpl insertColumns = new InsertColumnsImpl(new String[] {"a"}, mock(SqlPart.class));
 RawSqlBuilder builder = new RawSqlBuilderImpl();
 /* When */
 insertColumns.prependTo(builder);
 /* Then */
 assertThat(builder.toString(), is("(a)"));
}

 @Test
 public void values_returnsNotNullValue() {
  /* Given */
  InsertColumnsImpl insertColumns = new InsertColumnsImpl(new String[] {"a", "b", "c"}, mock(SqlPart.class));

  /* When */
  Values result = insertColumns.values(1, 2, 3);

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

@Test
public void previous_returnsProperItem() {
 /* Given */
 SqlPart sqlPart = mock(SqlPart.class);
 InsertColumnsImpl insertColumns = new InsertColumnsImpl(new String[] {"a", "b", "c"}, sqlPart);
 /* When */
 SqlPart result = insertColumns.previous();
 /* Then */
 assertThat(result, is(sqlPart));
}

@Test
public void prependTo_multipleColumns_prependsProperSql() {
 /* Given */
 InsertColumnsImpl insertColumns = new InsertColumnsImpl(new String[] {"a", "b", "c"}, mock(SqlPart.class));
 RawSqlBuilder builder = new RawSqlBuilderImpl();
 /* When */
 insertColumns.prependTo(builder);
 /* Then */
 assertThat(builder.toString(), is("(a,b,c)"));
}