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Named Scope respond_to? error coercing to array.

#852

test_has_many_associations_have_access_to_named_scopes and test_has_many_through_associations_have_access_to_named_scopes from named_scope_test.rb were erroring as Array#& tried to coerce a Scope to an Array.

Was getting similar to the following:


test_has_many_through_associations_have_access_to_named_scopes(NamedScopeTest):
ArgumentError: wrong number of arguments (2 for 1)
    ./test/cases/../../lib/active_record/associations/association_proxy.rb:176:in `respond_to?'
    ./test/cases/../../lib/active_record/associations/association_proxy.rb:176:in `&'
    ./test/cases/../../lib/active_record/associations/association_proxy.rb:176:in `send'
    ./test/cases/../../lib/active_record/associations/association_proxy.rb:176:in `method_missing'
    ./test/cases/../../lib/active_record/associations/association_collection.rb:285:in `method_missing'
    ./test/cases/named_scope_test.rb:143:in `test_has_many_through_associations_have_access_to_named_scopes'
    ./test/cases/../../lib/../../activesupport/lib/active_support/testing/setup_and_teardown.rb:94:in `__send__'
    ./test/cases/../../lib/../../activesupport/lib/active_support/testing/setup_and_teardown.rb:94:in `run'

Self explanatory patch attached to fix this.

named_scope_respond_to_fix.diff 925 Bytes

Reported by Tom Lea · August 18th, 2008 @ 05:53 PM

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Tom Lea

This could be a Ruby version issue... I'm running...


ruby 1.8.7 (2008-06-20 patchlevel 22) [i686-darwin9]

Seems to be OK on 1.8.5 and 1.9... is anyone else seeing this?

Contrived none rails example of the behaviour:


class A
  def initialize(a)
    @a = a
  end

  def respond_to?(sym)
    super
  end

  def to_ary
    @a
  end
end

[1,2,3] & A.new([1,2,3,4]) # =>
# ~> -:15:in `respond_to?': wrong number of arguments (2 for 1) (ArgumentError)
# ~> 	from -:15:in `&'
# ~> 	from -:15

August 18th, 2008 @ 06:23 PM

Repository
- State changed from new to resolved
(from [3724dafe71f4afb2ca9f4d7d2526b228aa6c05a3]) Fix incorrect signature for NamedScope#respond_to? [#852 Named Scope respond_to? error coercing to array. state:resolved]

Signed-off-by: Pratik Naik pratiknaik@gmail.com http://github.com/rails/rails/co...

August 21st, 2008 @ 04:41 PM
Repository

(from [76886789ac73f25744cd2eced5416918eab1bdc6]) Fix incorrect signature for NamedScope#respond_to? [#852 Named Scope respond_to? error coercing to array. state:resolved]

Signed-off-by: Pratik Naik pratiknaik@gmail.com http://github.com/rails/rails/co...

August 25th, 2008 @ 09:31 AM

There was a problem

Named Scope respond_to? error coercing to array.

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