ManageIQ/manageiq

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app/models/metric/ci_mixin/capture.rb

Summary

Maintainability
C
1 day
Test Coverage

Method perf_capture_queue has a Cognitive Complexity of 50 (exceeds 11 allowed). Consider refactoring.
Open

  def perf_capture_queue(interval_name, options = {})
    start_time = options[:start_time]
    end_time   = options[:end_time]
    priority   = options[:priority] || Metric::Capture.const_get("#{interval_name.upcase}_PRIORITY")
    task_id    = options[:task_id]
Severity: Minor
Found in app/models/metric/ci_mixin/capture.rb - About 6 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

Cyclomatic complexity for perf_capture_queue is too high. [30/11]
Open

  def perf_capture_queue(interval_name, options = {})
    start_time = options[:start_time]
    end_time   = options[:end_time]
    priority   = options[:priority] || Metric::Capture.const_get("#{interval_name.upcase}_PRIORITY")
    task_id    = options[:task_id]

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 just_perf_capture has a Cognitive Complexity of 16 (exceeds 11 allowed). Consider refactoring.
Open

  def just_perf_capture(interval_name, start_time = nil, end_time = nil)
    log_header = "[#{interval_name}]"
    log_time = ''
    log_time << ", start_time: [#{start_time}]" unless start_time.nil?
    log_time << ", end_time: [#{end_time}]" unless end_time.nil?
Severity: Minor
Found in app/models/metric/ci_mixin/capture.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 fix_capture_start_end_time has a Cognitive Complexity of 13 (exceeds 11 allowed). Consider refactoring.
Open

  def fix_capture_start_end_time(interval_name, start_time, end_time)
    start_time = start_time.utc unless start_time.nil?
    end_time = end_time.utc unless end_time.nil?

    # Determine the start_time for capturing if not provided
Severity: Minor
Found in app/models/metric/ci_mixin/capture.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

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