@Test
public void testGetColumnNames() {
strat.setColumnMapping("name", null, "id");
assertEquals("name", strat.getColumnName(0));
assertEquals(null, strat.getColumnName(1));
assertEquals("id", strat.getColumnName(2));
assertEquals(null, strat.getColumnName(3));
}
@Test
public void getColumnNamesWhenEmptyMapping() {
strat.setColumnMapping();
assertEquals(null, strat.getColumnName(0));
assertArrayEquals(new String[0], strat.getColumnMapping());
}
@Test
public void getColumnNamesWhenNullArray() {
strat.setColumnMapping((String[]) null);
assertEquals(null, strat.getColumnName(0));
assertEquals(null, strat.getColumnName(1));
assertArrayEquals(new String[0], strat.getColumnMapping());
}
@Test
public void getColumnNamesWhenNullColumnName() {
String[] columns = {null};
strat.setColumnMapping(columns);
assertEquals(null, strat.getColumnName(0));
assertEquals(null, strat.getColumnName(1));
assertArrayEquals(columns, strat.getColumnMapping());
}