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lib/frecon/match_number.rb

Summary

Maintainability
C
1 day
Test Coverage

Method initialize has a Cognitive Complexity of 58 (exceeds 5 allowed). Consider refactoring.
Open

        def initialize(args)
            if args.is_a?(String)
                # Match `args' against the regular expression, described below.
                #
                # This regular expression matches all values where the first group of
Severity: Minor
Found in lib/frecon/match_number.rb - About 1 day 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

Cyclomatic complexity for initialize is too high. [26/6]
Open

        def initialize(args)
            if args.is_a?(String)
                # Match `args' against the regular expression, described below.
                #
                # This regular expression matches all values where the first group of
Severity: Minor
Found in lib/frecon/match_number.rb by rubocop

This cop checks that the cyclomatic complexity of methods is not higher than the configured maximum. The cyclomatic complexity is the number of linearly independent paths through a method. The algorithm counts decision points and adds one.

An if statement (or unless or ?:) increases the complexity by one. An else branch does not, since it doesn't add a decision point. The && operator (or keyword and) can be converted to a nested if statement, and ||/or is shorthand for a sequence of ifs, so they also add one. Loops can be said to have an exit condition, so they add one.

Method has too many lines. [47/30]
Open

        def initialize(args)
            if args.is_a?(String)
                # Match `args' against the regular expression, described below.
                #
                # This regular expression matches all values where the first group of
Severity: Minor
Found in lib/frecon/match_number.rb by rubocop

This cop checks if the length of a method exceeds some maximum value. Comment lines can optionally be ignored. The maximum allowed length is configurable.

Method initialize has 47 lines of code (exceeds 25 allowed). Consider refactoring.
Open

        def initialize(args)
            if args.is_a?(String)
                # Match `args' against the regular expression, described below.
                #
                # This regular expression matches all values where the first group of
Severity: Minor
Found in lib/frecon/match_number.rb - About 1 hr to fix

    Cyclomatic complexity for to_s is too high. [7/6]
    Open

            def to_s
            type_string = case @type
                          when :practice
                              'p'
                          when :qualification
    Severity: Minor
    Found in lib/frecon/match_number.rb by rubocop

    This cop checks that the cyclomatic complexity of methods is not higher than the configured maximum. The cyclomatic complexity is the number of linearly independent paths through a method. The algorithm counts decision points and adds one.

    An if statement (or unless or ?:) increases the complexity by one. An else branch does not, since it doesn't add a decision point. The && operator (or keyword and) can be converted to a nested if statement, and ||/or is shorthand for a sequence of ifs, so they also add one. Loops can be said to have an exit condition, so they add one.

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

                    if args[:round]
                    raise TypeError, 'round number must be an Integer' unless args[:round].is_an?(Integer)
                    raise ArgumentError, 'round number must be greater than 0' unless args[:round] > 0

                    @round = args[:round]
    Severity: Minor
    Found in lib/frecon/match_number.rb and 1 other location - About 20 mins to fix
    lib/frecon/match_number.rb on lines 207..211

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 27.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

                    if args[:replay_number]
                    raise TypeError, 'replay number must be an Integer' unless args[:replay_number].is_an?(Integer)
                    raise ArgumentError, 'replay number must be greater than 0' unless args[:replay_number] > 0

                    @replay_number = args[:replay_number]
    Severity: Minor
    Found in lib/frecon/match_number.rb and 1 other location - About 20 mins to fix
    lib/frecon/match_number.rb on lines 200..204

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 27.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

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