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# frozen_string_literal: true
module Gitlab
module Ci
class Config
class Normalizer
class MatrixStrategy
class << self
def applies_to?(config)
config.is_a?(Hash) && config.key?(:matrix)
end
def build_from(job_name, initial_config)
config = expand(initial_config[:matrix])
total = config.size
config.map.with_index do |vars, index|
new(job_name, index.next, vars, total)
end
end
# rubocop: disable CodeReuse/ActiveRecord
def expand(config)
config.flat_map do |config|
values = config.values
values[0]
.product(*values.from(1))
.map { |vals| config.keys.zip(vals).to_h }
end
end
# rubocop: enable CodeReuse/ActiveRecord
end
def initialize(job_name, instance, variables, total)
@job_name = job_name
@instance = instance
@variables = variables.to_h
@total = total
end
def attributes
{
name: name,
instance: instance,
job_variables: variables,
parallel: { total: total }
}.compact
end
def name
vars = variables
.values
.compact
.join(', ')
"#{job_name}: [#{vars}]"
end
private
attr_reader :job_name, :instance, :variables, :total
end
end
end
end
end
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