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10 changes: 9 additions & 1 deletion lib/puppet/face/facts.rb
Original file line number Diff line number Diff line change
Expand Up @@ -167,7 +167,15 @@

case result
when Array, Hash
Puppet::Util::Json.dump(result, :pretty => true)
# JSON < 2.8.0 would pretty print empty arrays and hashes with newlines
# Maintain that behavior for our users for now
if result.is_a?(Array) && result.empty?
"[\n\n]"
elsif result.is_a?(Hash) && result.empty?
"{\n}"
else
Puppet::Util::Json.dump(result, :pretty => true)
end
else # one of VALID_TYPES above
result
end
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1 change: 1 addition & 0 deletions spec/unit/application/facts_spec.rb
Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,7 @@

{
"type_hash" => [{'a' => 2}, "{\n \"a\": 2\n}"],
"type_empty_hash" => [{}, "{\n}"],
"type_array" => [[], "[\n\n]"],
"type_string" => ["str", "str"],
"type_int" => [1, "1"],
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2 changes: 1 addition & 1 deletion spec/unit/provider/package/puppetserver_gem_spec.rb
Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@

it "raises if given an invalid URI" do
resource[:source] = 'h;ttp://rubygems.com'
expect { provider.install }.to raise_error(Puppet::Error, /Invalid source '': bad URI\(is not URI\?\)/)
expect { provider.install }.to raise_error(Puppet::Error, /Invalid source '': bad URI \(is not URI\?\)/)
end
end
end
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