mongodb/mongo-ruby-driver

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lib/mongo/operation/shared/sessions_supported.rb

Summary

Maintainability
B
5 hrs
Test Coverage

Method add_read_preference has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
Open

      def add_read_preference(sel, connection)
        Lint.assert_type(connection, Server::Connection)

        # https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst#topology-type-single
        read_doc = if connection.description.standalone?
Severity: Minor
Found in lib/mongo/operation/shared/sessions_supported.rb - About 1 hr 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 add_read_preference has 28 lines of code (exceeds 25 allowed). Consider refactoring.
Open

      def add_read_preference(sel, connection)
        Lint.assert_type(connection, Server::Connection)

        # https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst#topology-type-single
        read_doc = if connection.description.standalone?
Severity: Minor
Found in lib/mongo/operation/shared/sessions_supported.rb - About 1 hr to fix

    Method command has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
    Open

          def command(connection)
            if Lint.enabled?
              unless connection.is_a?(Server::Connection)
                raise Error::LintError, "Connection is not a Connection instance: #{connection}"
              end
    Severity: Minor
    Found in lib/mongo/operation/shared/sessions_supported.rb - About 1 hr 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 apply_session_options has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
    Open

          def apply_session_options(sel, connection)
            apply_cluster_time!(sel, connection)
            sel[:txnNumber] = BSON::Int64.new(txn_num) if txn_num
            sel.merge!(lsid: session.session_id)
            apply_start_transaction!(sel)
    Severity: Minor
    Found in lib/mongo/operation/shared/sessions_supported.rb - About 1 hr 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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