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Add test for result streaming with data-jpa #171

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Add test for result streaming with data-jpa #171

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8 changes: 8 additions & 0 deletions data/data-jpa/src/appTest/java/com/example/data/jpa/DataJpaApplicationAotTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,14 @@ void queryAnnotatedMethod(AssertableOutput output) {
});
}

@Test
void streamingResult(AssertableOutput output) {
Awaitility.await().atMost(Duration.ofSeconds(10)).untilAsserted(() -> {
assertThat(output).hasSingleLineContaining("streamAuthors(): author = Author{name='Martin Kleppmann'}")
.hasNoLinesContaining("streamAuthors(): author = Author{name='Josh Long'}");
});
}

@Test
void deleteAll(AssertableOutput output) {
Awaitility.await().atMost(Duration.ofSeconds(10)).untilAsserted(() -> {
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3 changes: 3 additions & 0 deletions data/data-jpa/src/main/java/com/example/data/jpa/AuthorRepository.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package com.example.data.jpa;

import java.util.Optional;
import java.util.stream.Stream;

import com.example.data.jpa.model.Author;

Expand All @@ -14,4 +15,6 @@ public interface AuthorRepository extends ListCrudRepository<Author, Long> {
@Query("SELECT a FROM Author a WHERE a.name = :name")
Optional<Author> queryFindByName(String name);

Stream<Author> findByNameContaining(String name);

}
8 changes: 8 additions & 0 deletions data/data-jpa/src/main/java/com/example/data/jpa/CLR.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.stream.Stream;

import com.example.data.jpa.model.Author;
import com.example.data.jpa.model.Book;
Expand Down Expand Up @@ -32,6 +33,7 @@ public void run(String... args) {
findById(authors);
findByPartialName();
queryFindByName();
streamAuthors();
deleteAll();
entityGraph();
}
Expand Down Expand Up @@ -87,6 +89,12 @@ private void listAllAuthors() {
}
}

private void streamAuthors() {

Stream<Author> authors = this.authorRepository.findByNameContaining("Martin");
authors.forEach(author -> System.out.printf("streamAuthors(): author = %s%n", author));
}

private List<Author> insertAuthors() {
Author author1 = this.authorRepository.save(new Author(null, "Josh Long",
Set.of(new Book(null, "Reactive Spring"), new Book(null, "Cloud Native Java"))));
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