Upgrade To Swipl 9.2 Causes Two Issues With Migration

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Introduction

The recent upgrade to swipl 9.2 has introduced two issues with migration, causing tests to fail. The issues are related to the expected output of the cli-schema-migration test, which is not matching the actual output. In this article, we will delve into the details of the issues, provide steps to reproduce the behavior, and discuss the expected behavior.

Describe the Bug

The bug is related to the upgrade to swipl 9.2, which has caused the output of the cli-schema-migration test to be truncated or incorrect. The test is failing with an AssertionError, indicating that the expected output does not match the actual output.

Fails with Below Issue

The test is failing with the following issues:

  1) cli-schema-migration
       target a migration of a branch:
     AssertionError: expected '{"instance_operations":2,"schema_oper…' to match /{"instance_operations":2, "schema_operations":2}/
      at Context.<anonymous> (test/cli-schema-migration.js:115:34)
      at processTicksAndRejections (node:internal/process/task_queues:96:5)

  2) cli-schema-migration
       target a migration of a branch with weakening:
     AssertionError: expected '{"instance_operations":2,"schema_oper…' to match /{"instance_operations":2, "schema_operations":1}/
      at Context.<anonymous> (test/cli-schema-migration.js:178:34)
      at processTicksAndRejections (node:internal/process/task_queues:96:5)

To Reproduce

To reproduce the behavior, follow these steps:

  1. Run the tests.

Expected Behavior

The expected behavior is that all tests should pass.

Screenshots

The screenshots of the failed tests can be found at the following link:

https://github.com/terminusdb/terminusdb/actions/runs/14601399292/job/40966984475

Info

The swipl version used is 9.2.

Investigation

The investigation into the issue is ongoing, and it is unclear what exactly is causing the issue. However, it is suspected that the issue is related to the upgrade to swipl 9.2.

Possible Causes

There are several possible causes for the issue:

  • swipl 9.2 upgrade: The upgrade to swipl 9.2 may have introduced a bug that is causing the issue.
  • Test changes: Changes to the tests may have caused the issue.
  • Dependency issues: Issues with dependencies may have caused the issue.

Resolution

The resolution to the issue is to investigate further and identify the root cause of the problem. Once the root cause is identified, a fix can be implemented to resolve the issue.

Conclusion

The upgrade to swipl 9.2 has caused two issues with migration, causing tests to fail. The issues are related to the expected output of the cli-schema-migration test, which is not matching the actual output. The investigation into the issue is ongoing, and it is unclear what exactly is causing the issue. However, it suspected that the issue is related to the upgrade to swipl 9.2.

Troubleshooting Steps

To troubleshoot the issue, follow these steps:

  1. Check the swipl version: Verify that the swipl version is 9.2.
  2. Check the test changes: Review the test changes to ensure that they are correct.
  3. Check the dependency issues: Review the dependency issues to ensure that they are resolved.
  4. Run the tests: Run the tests to reproduce the behavior.
  5. Investigate further: Investigate further to identify the root cause of the problem.

Fixing the Issue

To fix the issue, follow these steps:

  1. Identify the root cause: Identify the root cause of the problem.
  2. Implement a fix: Implement a fix to resolve the issue.
  3. Test the fix: Test the fix to ensure that it resolves the issue.
  4. Verify the fix: Verify the fix to ensure that it is correct.

Preventing Similar Issues

To prevent similar issues in the future, follow these best practices:

  1. Test thoroughly: Test thoroughly to ensure that the code is correct.
  2. Use version control: Use version control to track changes to the code.
  3. Use continuous integration: Use continuous integration to automate testing and ensure that the code is correct.
  4. Use dependency management: Use dependency management to ensure that dependencies are up-to-date and correct.

Introduction

The recent upgrade to swipl 9.2 has introduced two issues with migration, causing tests to fail. In this article, we will answer some frequently asked questions (FAQs) related to the issue.

Q: What is the issue with the upgrade to swipl 9.2?

A: The issue is related to the expected output of the cli-schema-migration test, which is not matching the actual output. The test is failing with an AssertionError, indicating that the expected output does not match the actual output.

Q: What are the possible causes of the issue?

A: There are several possible causes for the issue:

  • swipl 9.2 upgrade: The upgrade to swipl 9.2 may have introduced a bug that is causing the issue.
  • Test changes: Changes to the tests may have caused the issue.
  • Dependency issues: Issues with dependencies may have caused the issue.

Q: How can I troubleshoot the issue?

A: To troubleshoot the issue, follow these steps:

  1. Check the swipl version: Verify that the swipl version is 9.2.
  2. Check the test changes: Review the test changes to ensure that they are correct.
  3. Check the dependency issues: Review the dependency issues to ensure that they are resolved.
  4. Run the tests: Run the tests to reproduce the behavior.
  5. Investigate further: Investigate further to identify the root cause of the problem.

Q: How can I fix the issue?

A: To fix the issue, follow these steps:

  1. Identify the root cause: Identify the root cause of the problem.
  2. Implement a fix: Implement a fix to resolve the issue.
  3. Test the fix: Test the fix to ensure that it resolves the issue.
  4. Verify the fix: Verify the fix to ensure that it is correct.

Q: How can I prevent similar issues in the future?

A: To prevent similar issues in the future, follow these best practices:

  1. Test thoroughly: Test thoroughly to ensure that the code is correct.
  2. Use version control: Use version control to track changes to the code.
  3. Use continuous integration: Use continuous integration to automate testing and ensure that the code is correct.
  4. Use dependency management: Use dependency management to ensure that dependencies are up-to-date and correct.

Q: What is the expected behavior of the cli-schema-migration test?

A: The expected behavior of the cli-schema-migration test is that all tests should pass.

Q: Where can I find the screenshots of the failed tests?

A: The screenshots of the failed tests can be found at the following link:

https://github.com/terminusdb/terminusdb/actions/runs/14601399292/job/40966984475

Q: What is the swipl version used in this issue?

A: The swipl version used is 9.2.

Conclusion

The upgrade to swipl 9.2 has caused two issues with migration, causing tests to fail. We have answered some frequently asked questions (FAQs) related to the issue, including the possible causes, troubleshooting steps, and best practices to prevent similar issues in the future.