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activesupport/lib/active_support/testing/isolation.rb

Summary

Maintainability
B
4 hrs
Test Coverage

Method run_in_isolation has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
Open

        def run_in_isolation(&blk)
          IO.pipe do |read, write|
            read.binmode
            write.binmode
Severity: Minor
Found in activesupport/lib/active_support/testing/isolation.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 run_in_isolation has 30 lines of code (exceeds 25 allowed). Consider refactoring.
Open

        def run_in_isolation(&blk)
          IO.pipe do |read, write|
            read.binmode
            write.binmode
Severity: Minor
Found in activesupport/lib/active_support/testing/isolation.rb - About 1 hr to fix

    Method run_in_isolation has 30 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

            def run_in_isolation(&blk)
          require "tempfile"

          if ENV["ISOLATION_TEST"]
            yield
    Severity: Minor
    Found in activesupport/lib/active_support/testing/isolation.rb - About 1 hr to fix

      Method run_in_isolation has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
      Open

              def run_in_isolation(&blk)
          require "tempfile"

          if ENV["ISOLATION_TEST"]
            yield
      Severity: Minor
      Found in activesupport/lib/active_support/testing/isolation.rb - About 45 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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