ManageIQ/inventory_refresh

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lib/inventory_refresh/inventory_collection/index/type/local_db.rb

Summary

Maintainability
A
2 hrs
Test Coverage
A
99%

Method get_schema_recursive has 6 arguments (exceeds 4 allowed). Consider refactoring.
Open

          def get_schema_recursive(attribute_names, arel_table, data, schema, path, total_level)
Severity: Minor
Found in lib/inventory_refresh/inventory_collection/index/type/local_db.rb - About 45 mins to fix

Method find has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

          def find(reference)
            # Use the cached index only data_collection_finalized?, meaning no new reference can occur
            if data_collection_finalized? && all_references_loaded? && index
              return index[reference.stringified_reference]
            else
Severity: Minor
Found in lib/inventory_refresh/inventory_collection/index/type/local_db.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

Method get_schema_recursive has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

          def get_schema_recursive(attribute_names, arel_table, data, schema, path, total_level)
            raise "Nested too deep" if total_level > 100

            attribute_names.each do |key|
              new_path = path + [key]
Severity: Minor
Found in lib/inventory_refresh/inventory_collection/index/type/local_db.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

Method db_relation has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

          def db_relation(rails_friendly_includes_schema, all_values = nil, projection = nil)
            relation = if !parent.nil? && !association.nil?
                         parent.send(association)
                       elsif !arel.nil?
                         arel
Severity: Minor
Found in lib/inventory_refresh/inventory_collection/index/type/local_db.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

Avoid parameter lists longer than 5 parameters. [6/5]
Open

          def get_schema_recursive(attribute_names, arel_table, data, schema, path, total_level)

Checks for methods with too many parameters.

The maximum number of parameters is configurable. Keyword arguments can optionally be excluded from the total count, as they add less complexity than positional or optional parameters.

Any number of arguments for initialize method inside a block of Struct.new and Data.define like this is always allowed:

Struct.new(:one, :two, :three, :four, :five, keyword_init: true) do
  def initialize(one:, two:, three:, four:, five:)
  end
end

This is because checking the number of arguments of the initialize method does not make sense.

NOTE: Explicit block argument &block is not counted to prevent erroneous change that is avoided by making block argument implicit.

Example: Max: 3

# good
def foo(a, b, c = 1)
end

Example: Max: 2

# bad
def foo(a, b, c = 1)
end

Example: CountKeywordArgs: true (default)

# counts keyword args towards the maximum

# bad (assuming Max is 3)
def foo(a, b, c, d: 1)
end

# good (assuming Max is 3)
def foo(a, b, c: 1)
end

Example: CountKeywordArgs: false

# don't count keyword args towards the maximum

# good (assuming Max is 3)
def foo(a, b, c, d: 1)
end

This cop also checks for the maximum number of optional parameters. This can be configured using the MaxOptionalParameters config option.

Example: MaxOptionalParameters: 3 (default)

# good
def foo(a = 1, b = 2, c = 3)
end

Example: MaxOptionalParameters: 2

# bad
def foo(a = 1, b = 2, c = 3)
end

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