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Improve diagnostics when a Bean Override cannot be selected by type

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See gh-34004
Closes gh-34006

Signed-off-by: Yanming Zhou <zhouyanming@gmail.com>
This commit is contained in:
Yanming Zhou
2024-11-26 15:04:37 +08:00
committed by Sam Brannen
parent 2b4c7d09b0
commit cf46f391d7
5 changed files with 21 additions and 13 deletions
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14
spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessor.java
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@@ -59,6 +59,7 @@ import org.springframework.util.Assert;
* @author Simon Baslé
* @author Stephane Nicoll
* @author Sam Brannen
* @author Yanming Zhou
* @since 6.2
*/
class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor, Ordered {
@@ -67,6 +68,9 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
private static final BeanNameGenerator beanNameGenerator = DefaultBeanNameGenerator.INSTANCE;
private static final String unableToOverrideByTypeDiagnosticsMessage = " If the bean is defined from a @Bean method,"
+ " please make sure the return type is the most specific type (recommended) or type can be assigned to %s";
private final Set<BeanOverrideHandler> beanOverrideHandlers;
private final BeanOverrideRegistry beanOverrideRegistry;
@@ -170,7 +174,7 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
Field field = handler.getField();
throw new IllegalStateException(
"Unable to replace bean: there is no bean with name '%s' and type %s%s."
.formatted(beanName, handler.getBeanType(), requiredByField(field)));
.formatted(beanName, handler.getBeanType(), requiredByField(field, handler.getBeanType())));
}
// 4) We are creating a bean by-name with the provided beanName.
}
@@ -257,7 +261,7 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
String message = "Unable to select a bean to wrap: ";
int candidateCount = candidateNames.size();
if (candidateCount == 0) {
message += "there are no beans of type %s%s.".formatted(beanType, requiredByField(field));
message += "there are no beans of type %s%s.".formatted(beanType, requiredByField(field, beanType));
}
else {
message += "found %d beans of type %s%s: %s"
@@ -299,7 +303,7 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
if (requireExistingBean) {
throw new IllegalStateException(
"Unable to override bean: there are no beans of type %s%s."
.formatted(beanType, requiredByField(field)));
.formatted(beanType, requiredByField(field, beanType)));
}
return null;
}
@@ -483,4 +487,8 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
field.getDeclaringClass().getSimpleName(), field.getName());
}
private static String requiredByField(@Nullable Field field, ResolvableType requiredBeanType) {
return requiredByField(field) + '.' + unableToOverrideByTypeDiagnosticsMessage.formatted(requiredBeanType);
}
}