paulo-alves-flttr opened a new issue, #17920:
URL: https://github.com/apache/druid/issues/17920
I have an druid extension project that adds new user defined function to
Druid SQL, but I have been facing some problems when implementing tests. I have
used [this][1] example as reference but it is broken, since *configureGuice*
method no longer exists as Druid 32.
[1]:
https://github.com/implydata/druid-example-extension/blob/master/src/test/java/io/imply/druid/example/calcite/aggregation/ExampleSumSqlAggregationTest.java
I have tried the following by reading the source code from Druid:
```
@ComponentSupplier(MyComponentSupplier.class)
public class CustomSqlAggregatorTest extends BaseCalciteQueryTest {
@Test
public void testCustomAggSql() {
cannotVectorize();
testBuilder()
.sql("select CUSTOM_AGG(m1) from foo")
.expectedQueries(
List.of(
Druids.newTimeseriesQueryBuilder()
.dataSource(CalciteTests.DATASOURCE1)
.intervals(querySegmentSpec(Filtration.eternity()))
.granularity(Granularities.ALL)
.aggregators(aggregators(getAggFactory()))
.context(QUERY_CONTEXT_DEFAULT)
.build()
)
)
.expectedResults(ImmutableList.of(new Object[]{21.0F}))
.run();
}
...
}
```
But I get the following error:
```
Caused by: java.lang.NullPointerException: Cannot read field
"componentSupplier" because "config" is null
at
org.apache.druid.sql.calcite.SqlTestFrameworkConfig$ConfigurationInstance.<init>(SqlTestFrameworkConfig.java:378)
at
org.apache.druid.sql.calcite.SqlTestFrameworkConfig$SqlTestFrameworkConfigStore.getConfigurationInstance(SqlTestFrameworkConfig.java:253)
at
org.apache.druid.sql.calcite.SqlTestFrameworkConfig$Rule.get(SqlTestFrameworkConfig.java:344)
at
org.apache.druid.sql.calcite.BaseCalciteQueryTest.queryFramework(BaseCalciteQueryTest.java:535)
... 34 more
```
My component supplier code looks like the following:
```
public class MyComponentSupplier extends
SqlTestFramework.StandardComponentSupplier {
public MyComponentSupplier(TempDirProducer tempDirProducer) {
super(tempDirProducer);
}
@Override
public DruidModule getCoreModule() {
return DruidModuleCollection.of(
super.getCoreModule(),
new MyExtensionModule()
);
}
}
```
Any suggestions?
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