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Type:
Task
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Resolution: Cannot Reproduce
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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I'm working on a DNS management API and I run in a strange issue with polymorphic embedding.
I have these models:
Unable to find source-code formatter for language: `ruby. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
class DNS::Zone include Mongoid::Document embeds_many :rrsets, class_name: 'DNS::RRSet', inverse_of: :zone embeds_one :soa, class_name: 'DNS::Record', as: :container [...] class DNS::RRSet include Mongoid::Document embedded_in :zone, class_name: 'DNS::Zone', inverse_of: :rrsets embeds_many :records, class_name: 'DNS::Record', as: :container [...] class DNS::Record include Mongoid::Document embedded_in :container, polymorphic: true [...]
`
So I have one record embedded in the Zone and many records embedded in RRSet.
When assiging the soa record to the zone, everything works fine, but when trying to replace it, or just delete it, I get this:
Unable to find source-code formatter for language: `. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
NoMethodError: undefined method `records' for #<DNS::Zone:0x00000009bbf298>
from /usr/local/rvm/gems/ruby-2.1.5/bundler/gems/mongoid-8f22ade5fda8/lib/mongoid/traversable.rb:109:in `remove_child'
`
This records name is provided by #metadata_name, which returns :records instead of :soa.
Now the strange part: In its code, #metadata_name just returns __metadata.name but:
Unable to find source-code formatter for language: `. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
z.soa.metadata_name => :records z.soa.__metadata.name => :soa
`
And when adding puts __metadata.inspect in #metadata_name, I get this:
Unable to find source-code formatter for language: `. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
z.soa.metadata_name #<Mongoid::Relations::Metadata autobuild: false class_name: DNS::Record cyclic: nil counter_cache:false dependent: nil inverse_of: nil key: records macro: embeds_many name: records order: nil polymorphic: true relation: Mongoid::Relations::Embedded::Many setter: records=> => :records puts z.soa.__metadata.inspect #<Mongoid::Relations::Metadata autobuild: false class_name: DNS::Record cyclic: nil counter_cache:false dependent: nil inverse_of: :container key: soa macro: embeds_one name: soa order: nil polymorphic: true relation: Mongoid::Relations::Embedded::One setter: soa=>
`
# metadata_name leads to the wrong relation. When can this wrong metadata object come from ?