Add nullability annotations to tests in module/spring-boot-jooq

See gh-47263

Author: mhalbritter

module/spring-boot-jooq/build.gradle

@@ -43,3 +43,7 @@ dependencies {
 testRuntimeOnly("org.glassfish.jaxb:jaxb-runtime")
 testRuntimeOnly("org.hsqldb:hsqldb")
 }
+
+tasks.named("compileTestJava") {
+options.nullability.checking = "tests"
+}

module/spring-boot-jooq/src/test/java/org/springframework/boot/jooq/autoconfigure/DefaultExceptionTranslatorExecuteListenerTests.java

@@ -50,6 +50,7 @@ class DefaultExceptionTranslatorExecuteListenerTests {
 private final ExceptionTranslatorExecuteListener listener = new DefaultExceptionTranslatorExecuteListener();
 
 @Test
+@SuppressWarnings("NullAway") // Test null check
 void createWhenTranslatorFactoryIsNullThrowsException() {
 assertThatIllegalArgumentException()
 .isThrownBy(() -> new DefaultExceptionTranslatorExecuteListener(
@@ -74,7 +75,7 @@ void exceptionWhenExceptionCannotBeTranslatedDoesNotCallExecuteContextException(
 
 @Test
 void exceptionWhenHasCustomTranslatorFactory() {
-SQLExceptionTranslator translator = BadSqlGrammarException::new;
+SQLExceptionTranslator translator = (task, sql, ex) -> new BadSqlGrammarException(task, "sql", ex);
 ExceptionTranslatorExecuteListener listener = new DefaultExceptionTranslatorExecuteListener(
 (context) -> translator);
 SQLException sqlException = sqlException(123);

module/spring-boot-jooq/src/test/java/org/springframework/boot/jooq/autoconfigure/JooqAutoConfigurationTests.java

@@ -361,7 +361,7 @@ static class TestExecuteListenerProvider implements ExecuteListenerProvider {
 
 @Override
 public ExecuteListener provide() {
-return null;
+return mock(ExecuteListener.class);
 }
 
 }

module/spring-boot-jooq/src/test/java/org/springframework/boot/jooq/autoconfigure/JooqPropertiesTests.java

@@ -23,6 +23,7 @@
 import javax.sql.DataSource;
 
 import org.jooq.SQLDialect;
+import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
@@ -44,7 +45,7 @@
  */
 class JooqPropertiesTests {
 
-private AnnotationConfigApplicationContext context;
+private @Nullable AnnotationConfigApplicationContext context;
 
 @AfterEach
 void close() {