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Fix tests that silently pass despite paired fastq misclassified as SINGLE - #163

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corneliusroemer:fix/paired-library-layout-tests
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Fix tests that silently pass despite paired fastq misclassified as SINGLE#163
corneliusroemer wants to merge 2 commits into
enasequence:masterfrom
corneliusroemer:fix/paired-library-layout-tests

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@corneliusroemer corneliusroemer commented Jul 26, 2026

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Related to enasequence/readtools#26

This PR makes the tests fail the way they should.

Since readtools version 2.3.0 all reads submissions are classified as
LIBRARY_LAYOUT=SINGLE even if they are paired (paired fastq, bam, cram)

The test that should have caught this lacked an assertion hence silently
passed.

For tests to pass, the fix at enasequence/readtools#25
or similar has to be merged, released and webin-cli has to point at the
new readtools release.

Wrongly classified experiments could potentially be fixed.

The bug is live since webin-cli version 7.1.0 (2024-03-14)

The 1-file FASTQ test is expected to end up SINGLE even with the bugfix in readtools. Not sure if this is on purpose or not.

Also, all BAM/CRAM are classified as SINGLE even if actually paired, see enasequence/readtools#27

…NGLE

This PR makes the tests fail the way they should.

Since readtools version 2.3.0 all reads submissions are classified as
LIBRARY_LAYOUT=SINGLE even if they are paired (paired fastq, bam, cram)

The test that should have caught this lacked an assertion hence silently
passed.

For tests to pass, the fix at enasequence/readtools#25
or similar has to be merged, released and webin-cli has to point at the
new readtools release.

Wrongly classified experiments could potentially be fixed.

The bug is live since webin-cli version 7.1.0 (2024-03-14)

Related to enasequence/readtools#26
Related to enasequence/readtools#27
Copilot AI review requested due to automatic review settings July 26, 2026 16:51

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Pull request overview

This PR strengthens the reads test suite so that paired FASTQ submissions are correctly asserted as LIBRARY_LAYOUT=PAIRED (and not silently accepted as SINGLE), aligning test behavior with the intended reads classification logic.

Changes:

  • Adds an experiment XML regression test ensuring two FASTQ files yield <PAIRED ...> and not <SINGLE ...>.
  • Fixes previously ineffective assertions in reads validation tests by explicitly asserting isPaired() true/false.
  • Documents/clarifies that a single (interleaved) FASTQ file is not treated as paired by the validator.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File Description
src/test/java/uk/ac/ebi/ena/webin/cli/context/reads/ReadsXmlTest.java Adds a regression test asserting paired FASTQ submissions produce paired library layout in generated experiment XML.
src/test/java/uk/ac/ebi/ena/webin/cli/context/reads/ReadsValidationTest.java Makes paired/unpaired expectations explicit (fixing previously no-op assertions) and clarifies behavior for single-file FASTQ submissions.

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Comment on lines +159 to +161
// Pairing is deliberately not derived from a single (interleaved) fastq file:
// readtools 7517a26 gated paired.set(true) on a two-file submission.
assertThat(executor.getValidationResponse().isPaired()).isFalse();
Comment on lines +98 to +100
assertTrue(experimentXml.contains("<PAIRED"));
assertTrue(experimentXml.contains("NOMINAL_LENGTH=\"350\""));
assertFalse(experimentXml.contains("<SINGLE"));
Both paired-fastq assertions currently fail: ReadsValidator drops
ValidatorWrapper.isPaired(), so LIBRARY_LAYOUT is always SINGLE. The
single-file case fails for a second, independent reason - pairing is not
derived from an interleaved fastq at all.

Use JUnit's Assume rather than @ignore so the rest of each test keeps
running: the assertion is placed last, leaving the manifest, validation and
generated-file checks to fail hard on regression. Convert back to
assertThat(...).isTrue() once readtools is fixed.

Also assert the interleaved single-fastq case as paired, per the test name,
instead of pinning today's behaviour.

enasequence/readtools#26
enasequence/readtools#27

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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2 participants