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unit test should always verify mock invocation #5317

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Merged
RussellSpitzer merged 5 commits into from
Jul 26, 2022
Merged

unit test should always verify mock invocation #5317

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5fc011c
Test should verify even if there are no exceptions
Jul 20, 2022
93a3981
refactor as suggested in PR comments
Jul 20, 2022
bfb82ab
refactor as suggested in PR comments
Jul 20, 2022
547cd56
fix formatting
Jul 20, 2022
e34cf82
rever unnecessary formatting
Jul 21, 2022
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29 changes: 17 additions & 12 deletions aws/src/test/java/org/apache/iceberg/aws/s3/TestS3OutputStream.java
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.jupiter.api.Assertions;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.junit.MockitoJUnitRunner;
Expand Down Expand Up @@ -119,24 +120,28 @@ public void testWrite() {

@Test
public void testAbortAfterFailedPartUpload() {
doThrow(new RuntimeException()).when(s3mock).uploadPart((UploadPartRequest) any(), (RequestBody) any());
doThrow(new RuntimeException("mock uploadPart failure"))
.when(s3mock).uploadPart((UploadPartRequest) any(), (RequestBody) any());

try (S3OutputStream stream = new S3OutputStream(s3mock, randomURI(), properties, nullMetrics())) {
stream.write(randomData(10 * 1024 * 1024));
} catch (Exception e) {
verify(s3mock, atLeastOnce()).abortMultipartUpload((AbortMultipartUploadRequest) any());
}
Assertions.assertThrows(RuntimeException.class, ()->{
try (S3OutputStream stream = new S3OutputStream(s3mock, randomURI(), properties, nullMetrics())) {
stream.write(randomData(10 * 1024 * 1024));
}
});
verify(s3mock, atLeastOnce()).abortMultipartUpload((AbortMultipartUploadRequest) any());
}

@Test
public void testAbortMultipart() {
doThrow(new RuntimeException()).when(s3mock).completeMultipartUpload((CompleteMultipartUploadRequest) any());
doThrow(new RuntimeException("mock completeMultipartUpload failure"))
.when(s3mock).completeMultipartUpload((CompleteMultipartUploadRequest) any());

try (S3OutputStream stream = new S3OutputStream(s3mock, randomURI(), properties, nullMetrics())) {
stream.write(randomData(10 * 1024 * 1024));
} catch (Exception e) {
verify(s3mock).abortMultipartUpload((AbortMultipartUploadRequest) any());
}
Assertions.assertThrows(RuntimeException.class, ()->{
try (S3OutputStream stream = new S3OutputStream(s3mock, randomURI(), properties, nullMetrics())) {
stream.write(randomData(10 * 1024 * 1024));
}
});
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verify(s3mock).abortMultipartUpload((AbortMultipartUploadRequest) any());
}

@Test
Expand Down