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RFC: Add option to suppress legacy facts #143

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RFC: Add option to suppress legacy facts #143

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alexjfisher
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By default legacy facts will be removed in Puppet 8. This change mimics that.

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codecov bot commented Mar 14, 2023 •
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Codecov Report

Patch coverage: 70.00% and project coverage change: -7.44 ⚠️

Comparison is base (0921dff) 94.93% compared to head (b777fbc) 87.50%.

❗ Current head b777fbc differs from pull request most recent head e87a0de. Consider uploading reports for the commit e87a0de to get more accurate results

Additional details and impacted files 
@@            Coverage Diff             @@
##           master     #143      +/-   ##
==========================================
- Coverage   94.93%   87.50%   -7.44%     
==========================================
  Files           2        3       +1     
  Lines         158      168      +10     
==========================================
- Hits          150      147       -3     
- Misses          8       21      +13
Impacted Files Coverage Δ
lib/rspec-puppet-facts/legacy_facts.rb 62.50% <62.50%> (ø)
lib/rspec-puppet-facts.rb 91.61% <100.00%> (-6.43%) ⬇️

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@alexjfisher alexjfisher mentioned this pull request Mar 14, 2023
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@ekohl ekohl mentioned this pull request Mar 14, 2023
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alexjfisher
alexjfisher commented Mar 14, 2023
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lib/rspec-puppet-facts.rb Outdated
end

RSpec.configure do |c|
c.add_setting :default_facter_version,
:default => RspecPuppetFacts.facter_version_for_puppet_version(Puppet.version)
c.add_setting :facterdb_string_keys, :default => false
c.add_setting :legacy_facts, :default => RspecPuppetFacts.legacy_facts_default_for_puppet_version(Puppet.version)
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Following discussion with @ekohl perhaps this setting should get bumped up into rspec-puppet itself so that it can be used by both rspec-puppet-facts and the native facter implementation there.

ekohl
ekohl reviewed Mar 14, 2023
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Other than putting the configuration in rspec-puppet, I think this can make sense as a start.

The next steps should be to drop fact sets from FacterDB without modern facts (IIRC Facter < 3) and rewrite all the code here to only use modern facts.

lib/rspec-puppet-facts/legacy_facts.rb
# @return [Boolean] Is the fact a legacy fact
# @param [Symbol] fact Fact name
def self.legacy_fact?(fact)
legacy_facts.include?(fact) or fact.to_s.match(Regexp.union(legacy_fact_regexes))
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Perhaps we can store the union in a cache somewhere.

In Ruby it's common to use || and I think this could use match? since you don't need the actual result.

Suggested change
legacy_facts.include?(fact) or fact.to_s.match(Regexp.union(legacy_fact_regexes))
legacy_facts.include?(fact) || fact.to_s.match?(Regexp.union(legacy_fact_regexes))

@bastelfreak bastelfreak mentioned this pull request Mar 17, 2023
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some rubocop autofix will help here, I'm fine with the general code.

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some rubocop autofix will help here, I'm fine with the general code.

I'm not though! ;)

Since rspec-puppet itself adds default legacy facts, I think the pruning has to take place there.
Something like puppetlabs/rspec-puppet#53

@bastelfreak bastelfreak mentioned this pull request May 1, 2023
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@alexjfisher alexjfisher mentioned this pull request May 4, 2023
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@bastelfreak bastelfreak bastelfreak approved these changes

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3 participants
@alexjfisher @bastelfreak @ekohl