kbuntrock commented on code in PR #147:
URL:
https://github.com/apache/maven-build-cache-extension/pull/147#discussion_r1580192169
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src/test/java/org/apache/maven/buildcache/xml/CacheConfigImplTest.java:
##########
@@ -122,11 +126,30 @@ private static void deepMockConfigFile(File mockFile,
boolean exists) throws IOE
when(mockPath.getFileSystem()).thenReturn(mockFileSystem);
FileSystemProvider mockProvider = mock(FileSystemProvider.class);
when(mockFileSystem.provider()).thenReturn(mockProvider);
+
+ // Mock for java < 20.
if (!exists) {
doThrow(new IOException("mock IOException"))
.when(mockProvider)
.checkAccess(ArgumentMatchers.eq(mockPath),
ArgumentMatchers.any(AccessMode.class));
}
+
+ // Mock for java >= 20. Since the FileSystemProvider.exists method
does not exist before v20, we use reflection
+ // to create the mock
+ Optional<Method> methodToMock =
Arrays.stream(FileSystemProvider.class.getDeclaredMethods())
+ .filter(method -> "exists".equals(method.getName()))
+ .findAny();
+ if (methodToMock.isPresent()) {
+ Class<?>[] paramTypes = methodToMock.get().getParameterTypes();
+ Object[] params = Arrays.stream(paramTypes)
+ .map(paramType -> Mockito.any(paramType))
+ .toArray();
+ try {
+ Mockito.when(methodToMock.get().invoke(mockProvider,
params)).thenReturn(exists);
Review Comment:
Yes, it is used internally by the static `java.nio.file.Files#exists` method.
Implementation differs from jdk versions.
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