@Test(expected = IllegalStateException.class)
public void shouldRequireNextOnCursorToBeCalledBeforeGettingValueUsingColumnName() {
results = new QueryResults(columns, statistics, tuples, context.getProblems(), null);
Cursor cursor = results.getCursor();
assertThat(cursor.hasNext(), is(true));
cursor.getValue("colA");
}
@Test
public void shouldReturnCursorThatAccessesTuples() {
results = new QueryResults(columns, statistics, tuples, context.getProblems(), null);
Cursor cursor = results.getCursor();
Iterator<Object[]> expectedIter = tuples.iterator();
int rowNumber = 0;
while (cursor.hasNext() && expectedIter.hasNext()) {
cursor.next();
Object[] tuple = expectedIter.next();
// Check the column values by column name and index ...
for (Column column : results.getColumns().getColumns()) {
String columnName = column.getColumnName();
int columnIndex = columns.getColumnIndexForName(columnName);
assertThat(cursor.getValue(columnName), is(tuple[columnIndex]));
assertThat(cursor.getValue(columnIndex), is(tuple[columnIndex]));
// Get the location for this column ...
int locationIndex = columns.getLocationIndex(column.selectorName().name());
Location location = (Location) tuple[locationIndex];
assertThat(cursor.getLocation(columnIndex), is(location));
}
// Check the locations by selector name and index ...
for (String selectorName : results.getColumns().getSelectorNames()) {
int locationIndex = columns.getLocationIndex(selectorName);
Location location = (Location) tuple[locationIndex];
assertThat(cursor.getLocation(selectorName), is(location));
assertThat(location.getPath(), is(notNullValue()));
}
// Check the row index ...
assertThat(cursor.getRowIndex(), is(rowNumber++));
}
assertThat(cursor.hasNext(), is(false));
assertThat(expectedIter.hasNext(), is(false));
}
