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https://issues.apache.org/jira/browse/SLING-8986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Seifert resolved SLING-8986.
-----------------------------------
Fix Version/s: Testing OSGi Mock 2.4.12
Resolution: Fixed
fixed:
https://github.com/apache/sling-org-apache-sling-testing-osgi-mock/commit/f5e384846ff35f2aa697990f53f255a3d9142ccf
> osgi-mock: Incorrect selection of fields with assignable types for Set
> references
> ---------------------------------------------------------------------------------
>
> Key: SLING-8986
> URL: https://issues.apache.org/jira/browse/SLING-8986
> Project: Sling
> Issue Type: Bug
> Components: Testing
> Affects Versions: Testing OSGi Mock 2.4.10
> Reporter: Robert Munteanu
> Assignee: Stefan Seifert
> Priority: Major
> Fix For: Testing OSGi Mock 2.4.12
>
>
> When trying to inject references to fields that are of type collection, the
> injection fails, due to the following {{isAssignableFrom}} check in the code
> below:
> {noformat}
> private static Field getFieldWithAssignableType(Class clazz, String
> fieldName, Class<?> type) {
> Field[] fields = clazz.getDeclaredFields();
> for (Field field : fields) {
> if (StringUtils.equals(field.getName(), fieldName) &&
> field.getType().isAssignableFrom(type)) {
> return field;
> }
> }
> }
> {noformat}
> The {{type}} parameter is always Collection.class, and the
> {{field.getType()}} is a subclass of Collection, such as Set or List. The
> problem is that the check is inverted, e.g.
> {{Set.class.isAssignableFrom(Collection.class)}} is false, whereas
> {{Collection.class.isAssignableFrom(Set.class)}} is true. The least specific
> class type should be first, opposite of the {{instanceof}} check ( I always
> find this confusing ).
> I have prepared a simple patch, but unfortunately the build fails with
> {{MockBundleContextDynamicReferencesOsgiR6Test.testReferenceWithDynamicTargetFilter:172->assertDependencies3DynamicFiltered:209
> expected:<dependency3b> but was:<null>}}.
> I am not familiar enough with the codebase to understand whether I should
> update the test or try and find out what breaks.
> The patch I tried is:
> {noformat}diff --git
> a/core/src/main/java/org/apache/sling/testing/mock/osgi/OsgiServiceUtil.java
> b/core/src/main/java/org/apache/sling/testing/mock/osgi/OsgiServiceUtil.java
> index 8726f9d..71b7e9a 100644
> ---
> a/core/src/main/java/org/apache/sling/testing/mock/osgi/OsgiServiceUtil.java
> +++
> b/core/src/main/java/org/apache/sling/testing/mock/osgi/OsgiServiceUtil.java
> @@ -340,7 +340,7 @@ final class OsgiServiceUtil {
> private static Field getFieldWithAssignableType(Class clazz, String
> fieldName, Class<?> type) {
> Field[] fields = clazz.getDeclaredFields();
> for (Field field : fields) {
> - if (StringUtils.equals(field.getName(), fieldName) &&
> field.getType().isAssignableFrom(type)) {
> + if (StringUtils.equals(field.getName(), fieldName) &&
> type.isAssignableFrom(field.getType())) {
> return field;
> }
> }
> {noformat}
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