/**
* If the "value" entry contains both "DerivedTxConfig" AND "TxConfig", then the algorithm is
* accidentally picking up shadowed annotations of the same type within the class hierarchy. Such
* undesirable behavior would cause the logic in {@link
* org.springframework.context.annotation.ProfileCondition} to fail.
*
* @see
* org.springframework.core.env.EnvironmentSystemIntegrationTests#mostSpecificDerivedClassDrivesEnvironment_withDevEnvAndDerivedDevConfigClass
*/
@Test
public void
getAllAnnotationAttributesOnClassWithLocalAnnotationThatShadowsAnnotationFromSuperclass() {
MultiValueMap<String, Object> attributes =
getAllAnnotationAttributes(DerivedTxConfig.class, TX_NAME);
assertNotNull("Annotation attributes map for @Transactional on DerivedTxConfig", attributes);
assertEquals("value for DerivedTxConfig.", asList("DerivedTxConfig"), attributes.get("value"));
}
@Test
public void getAllAnnotationAttributesOnClassWithLocalComposedAnnotationAndInheritedAnnotation() {
MultiValueMap<String, Object> attributes =
getAllAnnotationAttributes(SubClassWithInheritedAnnotation.class, TX_NAME);
assertNotNull(
"Annotation attributes map for @Transactional on SubClassWithInheritedAnnotation",
attributes);
assertEquals(asList("composed2", "transactionManager"), attributes.get("qualifier"));
}
@Test
public void depthFirst() throws Exception {
assertEquals(
Collections.<Integer>emptyList(),
SortingNode.<Integer>emptyRoot().depthFirst().collect(toList()));
SortingNode<Integer> tree =
new SortingNode.Builder<Integer>() //
.childNode(100)
.siblingNode(200)
.childNode(210)
.siblingNode(220)
.parent()
.siblingNode(300)
.siblingNode(400)
.childNode(410)
.siblingNode(420)
.siblingNode(430)
.childNode(431)
.build();
assertEquals(
asList(100, 200, 210, 220, 300, 400, 410, 420, 430, 431),
tree.depthFirst().collect(toList()));
SortingNode<Integer> n400 = tree.getChildren().get(3);
assertEquals(asList(400, 410, 420, 430, 431), n400.depthFirst().collect(toList()));
}
@Test
public void javaxAnnotationTypeViaFindMergedAnnotation() throws Exception {
assertEquals(
ResourceHolder.class.getAnnotation(Resource.class),
findMergedAnnotation(ResourceHolder.class, Resource.class));
assertEquals(
SpringAppConfigClass.class.getAnnotation(Resource.class),
findMergedAnnotation(SpringAppConfigClass.class, Resource.class));
}
@Test
public void findMergedAnnotationWithAttributeAliasesInTargetAnnotation() {
Class<?> element = AliasedTransactionalComponentClass.class;
AliasedTransactional annotation = findMergedAnnotation(element, AliasedTransactional.class);
assertNotNull("@AliasedTransactional on " + element, annotation);
assertEquals("TX value via synthesized annotation.", "aliasForQualifier", annotation.value());
assertEquals(
"TX qualifier via synthesized annotation.", "aliasForQualifier", annotation.qualifier());
}
@Test
public void javaLangAnnotationTypeViaFindMergedAnnotation() throws Exception {
Constructor<?> deprecatedCtor = Date.class.getConstructor(String.class);
assertEquals(
deprecatedCtor.getAnnotation(Deprecated.class),
findMergedAnnotation(deprecatedCtor, Deprecated.class));
assertEquals(
Date.class.getAnnotation(Deprecated.class),
findMergedAnnotation(Date.class, Deprecated.class));
}
@Test
public void buildNodeTree() throws Exception {
SortingNode<String> root = new SortingNode.Builder<String>().build();
assertFalse(root.hasChild());
assertTrue(root.isRoot());
assertFalse(root.hasParent());
SortingNode<Integer> tree =
new SortingNode.Builder<Integer>() //
.childNode(100)
.siblingNode(200)
.childNode(210)
.siblingNode(220)
.parent()
.siblingNode(300)
.siblingNode(400)
.childNode(410)
.siblingNode(420)
.siblingNode(430)
.childNode(431)
.build();
assertFalse(tree.hasParent());
assertTrue(tree.isRoot());
assertFalse(tree.hasParent());
String expected =
""
+ "*\n"
+ " 100\n"
+ " 200\n"
+ " 210\n"
+ " 220\n"
+ " 300\n"
+ " 400\n"
+ " 410\n"
+ " 420\n"
+ " 430\n"
+ " 431";
assertEquals(expected, tree.prettyPrint());
SortingNode<Integer> n410 = tree.getChildren().get(3).getChildren().get(0);
assertFalse(n410.hasChild());
assertTrue(n410.hasParent());
assertFalse(n410.isRoot());
assertEquals("410", n410.prettyPrint());
}
@Test
public void getMetaAnnotationTypesOnClassWithMetaDepth2() {
Set<String> names =
getMetaAnnotationTypes(
ComposedTransactionalComponentClass.class, ComposedTransactionalComponent.class);
assertEquals(names(TransactionalComponent.class, Transactional.class, Component.class), names);
}
@Test
public void findMergedAnnotationAttributesOnClassWithMetaAndLocalTxConfig() {
AnnotationAttributes attributes =
findMergedAnnotationAttributes(MetaAndLocalTxConfigClass.class, Transactional.class);
assertNotNull("Should find @Transactional on MetaAndLocalTxConfigClass", attributes);
assertEquals(
"TX qualifier for MetaAndLocalTxConfigClass.",
"localTxMgr",
attributes.getString("qualifier"));
}
@Test
public void getMergedAnnotationAttributesOnClassWithLocalAnnotation() {
Class<?> element = TxConfig.class;
String name = TX_NAME;
AnnotationAttributes attributes = getMergedAnnotationAttributes(element, name);
assertNotNull("Annotation attributes for @Transactional on TxConfig", attributes);
assertEquals("value for TxConfig.", "TxConfig", attributes.getString("value"));
// Verify contracts between utility methods:
assertTrue(isAnnotated(element, name));
}
@Test
public void
getAllAnnotationAttributesFavorsInheritedComposedAnnotationsOverMoreLocallyDeclaredComposedAnnotations() {
MultiValueMap<String, Object> attributes =
getAllAnnotationAttributes(SubSubClassWithInheritedComposedAnnotation.class, TX_NAME);
assertNotNull(
"Annotation attributes map for @Transactional on SubSubClassWithInheritedComposedAnnotation",
attributes);
assertEquals(asList("composed1"), attributes.get("qualifier"));
}
@Test
public void
findMergedAnnotationAttributesOnClassWithAttributeAliasInComposedAnnotationAndNestedAnnotationsInTargetAnnotation() {
AnnotationAttributes attributes =
assertComponentScanAttributes(TestComponentScanClass.class, "com.example.app.test");
Filter[] excludeFilters = attributes.getAnnotationArray("excludeFilters", Filter.class);
assertNotNull(excludeFilters);
List<String> patterns = stream(excludeFilters).map(Filter::pattern).collect(toList());
assertEquals(asList("*Test", "*Tests"), patterns);
}
/**
* Note: this functionality is required by {@link
* org.springframework.context.annotation.ProfileCondition}.
*
* @see org.springframework.core.env.EnvironmentSystemIntegrationTests
*/
@Test
public void getAllAnnotationAttributesOnClassWithMultipleComposedAnnotations() {
MultiValueMap<String, Object> attributes =
getAllAnnotationAttributes(TxFromMultipleComposedAnnotations.class, TX_NAME);
assertNotNull(
"Annotation attributes map for @Transactional on TxFromMultipleComposedAnnotations",
attributes);
assertEquals(
"value for TxFromMultipleComposedAnnotations.",
asList("TxInheritedComposed", "TxComposed"),
attributes.get("value"));
}
@Test
public void findAndSynthesizeAnnotationAttributesOnClassWithAttributeAliasesInTargetAnnotation() {
String qualifier = "aliasForQualifier";
// 1) Find and merge AnnotationAttributes from the annotation hierarchy
AnnotationAttributes attributes =
findMergedAnnotationAttributes(
AliasedTransactionalComponentClass.class, AliasedTransactional.class);
assertNotNull("@AliasedTransactional on AliasedTransactionalComponentClass.", attributes);
// 2) Synthesize the AnnotationAttributes back into the target annotation
AliasedTransactional annotation =
AnnotationUtils.synthesizeAnnotation(
attributes, AliasedTransactional.class, AliasedTransactionalComponentClass.class);
assertNotNull(annotation);
// 3) Verify that the AnnotationAttributes and synthesized annotation are equivalent
assertEquals("TX value via attributes.", qualifier, attributes.getString("value"));
assertEquals("TX value via synthesized annotation.", qualifier, annotation.value());
assertEquals("TX qualifier via attributes.", qualifier, attributes.getString("qualifier"));
assertEquals("TX qualifier via synthesized annotation.", qualifier, annotation.qualifier());
}
@Test
public void deepSort() throws Exception {
SortingNode<Integer> tree =
new SortingNode.Builder<Integer>() //
.childNode(200)
.siblingNode(100)
.childNode(110)
.siblingNode(120)
.parent()
.siblingNode(400)
.childNode(410)
.siblingNode(430)
.childNode(431)
.parent()
.siblingNode(420)
.parent()
.siblingNode(300)
.build();
tree = tree.deepSort((a, b) -> b.getValue() - a.getValue());
String expected =
""
+ "*\n"
+ " 400\n"
+ " 430\n"
+ " 431\n"
+ " 420\n"
+ " 410\n"
+ " 300\n"
+ " 200\n"
+ " 100\n"
+ " 120\n"
+ " 110";
assertEquals(expected, tree.prettyPrint());
}
@Test
public void getAllAnnotationAttributesOnClassWithLocalAnnotation() {
MultiValueMap<String, Object> attributes = getAllAnnotationAttributes(TxConfig.class, TX_NAME);
assertNotNull("Annotation attributes map for @Transactional on TxConfig", attributes);
assertEquals("value for TxConfig.", asList("TxConfig"), attributes.get("value"));
}