Andrew Pavlin created TIKA-3323:
-----------------------------------
Summary: FileCommandDetectorTest incocnistent results depending on
platform
Key: TIKA-3323
URL: https://issues.apache.org/jira/browse/TIKA-3323
Project: Tika
Issue Type: Bug
Components: core
Affects Versions: 1.25
Reporter: Andrew Pavlin
The unit test for org.apache.tika.detect.FileCommandDetector fails on some
platforms due to inconsistent return values from the operating system's "file
--mime" command. For example, on Fedora Core 32 and Mint 19, the test case
returns "text/xml". However, on Oracle Enterprise Linux 6, the test case
returns "application/xml", which is equally valid but causes the unit test case
to fail. When the unit test case fails, it is impossible to build Tika.
The unit test program should be fixed to accept either answer so all dialects
of the file command work successfully. A proposed patch is included below:
diff --git
a/tika-1.25/tika-core/src/test/java/org/apache/tika/detect/FileCommandDetectorTest.java
b/tika-1.25/tika-core/src/test/java/org/apache/tika/detect/FileCommandDetectorTest.java
index 21a24ab..1911e05 100644
---
a/tika-1.25/tika-core/src/test/java/org/apache/tika/detect/FileCommandDetectorTest.java
+++
b/tika-1.25/tika-core/src/test/java/org/apache/tika/detect/FileCommandDetectorTest.java
@@ -44,9 +44,11 @@ public class FileCommandDetectorTest {
assumeTrue(FileCommandDetector.checkHasFile());
try (InputStream is =
getClass().getResourceAsStream("/test-documents/basic_embedded.xml")) {
- assertEquals(MediaType.text("xml"), DETECTOR.detect(is, new Metadata()));
+ MediaType answer = DETECTOR.detect(is, new Metadata()));
+ assert(MediaType.text("xml").equals(answer) ||
MediaType.application("xml").equals(answer));
//make sure that the detector is resetting the stream
- assertEquals(MediaType.text("xml"), DETECTOR.detect(is, new Metadata()));
+ answer = DETECTOR.detect(is, new Metadata()));
+ assert(MediaType.text("xml").equals(answer) ||
MediaType.application("xml").equals(answer));
}
//now try with TikaInputStream
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