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chesnay pushed a commit to branch release-1.17
in repository https://gitbox.apache.org/repos/asf/flink.git

commit 4a368707162760fc39208d4a4d4bac2c6c728802
Author: Chesnay Schepler <ches...@apache.org>
AuthorDate: Thu Aug 17 11:11:34 2023 +0200

    [FLINK-32888] Expose file comparison assertion
---
 .../runtime/rest/MultipartUploadResource.java      | 53 +++++++++++-----------
 1 file changed, 26 insertions(+), 27 deletions(-)

diff --git 
a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
 
b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
index 19939b2dce9..9109424b177 100644
--- 
a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
+++ 
b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
@@ -134,36 +134,35 @@ public class MultipartUploadResource extends 
ExternalResource {
                 (request, restfulGateway) -> {
                     // the default verifier checks for identiy (i.e. same name 
and content) of all
                     // uploaded files
-                    List<Path> expectedFiles =
-                            getFilesToUpload().stream()
-                                    .map(File::toPath)
-                                    .collect(Collectors.toList());
-                    List<Path> uploadedFiles =
-                            request.getUploadedFiles().stream()
-                                    .map(File::toPath)
-                                    .collect(Collectors.toList());
-
-                    assertEquals(expectedFiles.size(), uploadedFiles.size());
-
-                    List<Path> expectedList = new ArrayList<>(expectedFiles);
-                    List<Path> actualList = new ArrayList<>(uploadedFiles);
-                    expectedList.sort(Comparator.comparing(Path::toString));
-                    actualList.sort(Comparator.comparing(Path::toString));
-
-                    for (int x = 0; x < expectedList.size(); x++) {
-                        Path expected = expectedList.get(x);
-                        Path actual = actualList.get(x);
-
-                        assertEquals(
-                                expected.getFileName().toString(), 
actual.getFileName().toString());
-
-                        byte[] originalContent = Files.readAllBytes(expected);
-                        byte[] receivedContent = Files.readAllBytes(actual);
-                        assertArrayEquals(originalContent, receivedContent);
-                    }
+                    assertUploadedFilesEqual(request, getFilesToUpload());
                 });
     }
 
+    public static void assertUploadedFilesEqual(HandlerRequest<?> request, 
Collection<File> files)
+            throws IOException {
+        List<Path> expectedFiles = 
files.stream().map(File::toPath).collect(Collectors.toList());
+        List<Path> uploadedFiles =
+                
request.getUploadedFiles().stream().map(File::toPath).collect(Collectors.toList());
+
+        assertEquals(expectedFiles.size(), uploadedFiles.size());
+
+        List<Path> expectedList = new ArrayList<>(expectedFiles);
+        List<Path> actualList = new ArrayList<>(uploadedFiles);
+        expectedList.sort(Comparator.comparing(Path::toString));
+        actualList.sort(Comparator.comparing(Path::toString));
+
+        for (int x = 0; x < expectedList.size(); x++) {
+            Path expected = expectedList.get(x);
+            Path actual = actualList.get(x);
+
+            assertEquals(expected.getFileName().toString(), 
actual.getFileName().toString());
+
+            byte[] originalContent = Files.readAllBytes(expected);
+            byte[] receivedContent = Files.readAllBytes(actual);
+            assertArrayEquals(originalContent, receivedContent);
+        }
+    }
+
     public void setFileUploadVerifier(
             BiConsumerWithException<
                             HandlerRequest<? extends RequestBody>, 
RestfulGateway, Exception>

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