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zpatten/cucumber-chef

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lib/cucumber/chef/providers/aws.rb

Summary

Maintainability
B
5 hrs
Test Coverage

Method ensure_security_group has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
Open

        def ensure_security_group
          security_group_name = Cucumber::Chef::Config.aws[:aws_security_group]
          if (security_group = @connection.security_groups.get(security_group_name))
            port_ranges = security_group.ip_permissions.collect{ |entry| entry["fromPort"]..entry["toPort"] }
            security_group.authorize_port_range(22..22) if port_ranges.none?{ |port_range| port_range === 22 }
Severity: Minor
Found in lib/cucumber/chef/providers/aws.rb - About 55 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 up has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
Open

        def up
          if (exists? && dead?)
            if @server.start
              @server.wait_for { ready? }
              ZTK::TCPSocketCheck.new(:host => self.ip, :port => self.port, :wait => 120).wait
Severity: Minor
Found in lib/cucumber/chef/providers/aws.rb - About 55 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 down has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
Open

        def down
          if (exists? && alive?)
            if !@server.stop
              raise AWSError, "Failed to halt the test lab!"
            end
Severity: Minor
Found in lib/cucumber/chef/providers/aws.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

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

        def reload
          if (exists? && alive?)
            if !@server.restart
              raise AWSError, "Failed to reload the test lab!"
            end
Severity: Minor
Found in lib/cucumber/chef/providers/aws.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

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

        def create
          if (exists? && alive?)
            @ui.stdout.puts("A test lab already exists using the #{Cucumber::Chef::Config.provider.upcase} credentials you have supplied; attempting to reprovision it.")
          else
            server_definition = {
Severity: Minor
Found in lib/cucumber/chef/providers/aws.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

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

        def reload
          if (exists? && alive?)
            if !@server.restart
              raise AWSError, "Failed to reload the test lab!"
            end
Severity: Minor
Found in lib/cucumber/chef/providers/aws.rb and 1 other location - About 45 mins to fix
lib/cucumber/chef/providers/aws.rb on lines 129..142

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 40.

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

        def down
          if (exists? && alive?)
            if !@server.stop
              raise AWSError, "Failed to halt the test lab!"
            end
Severity: Minor
Found in lib/cucumber/chef/providers/aws.rb and 1 other location - About 45 mins to fix
lib/cucumber/chef/providers/aws.rb on lines 148..161

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 40.

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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