mongodb/mongo-ruby-driver

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lib/mongo/collection/view/change_stream.rb

Summary

Maintainability
B
5 hrs
Test Coverage

Method change_doc has a Cognitive Complexity of 24 (exceeds 5 allowed). Consider refactoring.
Open

        def change_doc
          {}.tap do |doc|
            if @options[:full_document]
              doc[:fullDocument] = @options[:full_document]
            end
Severity: Minor
Found in lib/mongo/collection/view/change_stream.rb - About 3 hrs to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method change_doc has 31 lines of code (exceeds 25 allowed). Consider refactoring.
Open

        def change_doc
          {}.tap do |doc|
            if @options[:full_document]
              doc[:fullDocument] = @options[:full_document]
            end
Severity: Minor
Found in lib/mongo/collection/view/change_stream.rb - About 1 hr to fix

    Method try_next has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
    Open

            def try_next
              raise StopIteration.new if closed?
              begin
                doc = @cursor.try_next
              rescue Mongo::Error => e
    Severity: Minor
    Found in lib/mongo/collection/view/change_stream.rb - About 35 mins to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Method each has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

            def each
              raise StopIteration.new if closed?
              loop do
                document = try_next
                yield document if document
    Severity: Minor
    Found in lib/mongo/collection/view/change_stream.rb - About 25 mins to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

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