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  1. Node.js Driver
  2. NODE-5839

Truncate multi-byte codepoints in compliance with spec

    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Unknown Unknown
    • 6.4.0
    • Affects Version/s: None
    • Component/s: Logging
    • Labels:
    • Not Needed
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      Currently, our logger's stringifyWithMaxLen function counts each unicode-byte as a unit of length. This can cause multibyte unicode code-points, such as characters in other languages or certain emojis, do get truncated in non-sensical ways.  We should round down to the nearest code-point when we encounter this.

      Likely will follow implementation in Anna's comment

      Use Case

      As a... non-english speaking user 
      I want... logging to support my alphabet
      So that... I receive well-formed strings from  logger output

      User Impact

      • Clients with non-english speaking users
      • Clients with users who use emojis (would only really be for custom logs)

      Dependencies

      • None, logging is unreleased

      Acceptance Criteria

      Implementation Requirements

      • When a string contains multi-byte codepoint(s) and is truncated mid code-point round down to the nearest whole codepoint to avoid non "well-formed" strings being outputted to users

      Testing Requirements

      • Unskip command logging prose test #3 (contains necessary unit testing)

       

            Assignee:
            aditi.khare@mongodb.com Aditi Khare
            Reporter:
            aditi.khare@mongodb.com Aditi Khare
            Neal Beeken
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              Created:
              Updated:
              Resolved: