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Dynamic finders should use the ActiveRecord::Base::find method instea…
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…d of ::find_initial, :find_last, and ::find_all.

This is so when people override ActiveRecord::Base::find, the new ::find method will also be invoked by the dynamic finders.
Associations for instance do go through ::find, so this makes it more consistent.
Also removed the unnecessary deprecation silence blocks.

Signed-off-by: Michael Koziarski <michael@koziarski.com>

[#1162 state:committed]
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alloy authored and NZKoz committed Oct 3, 2008
1 parent e69b506 commit 8d337e9
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Showing 3 changed files with 30 additions and 13 deletions.
8 changes: 4 additions & 4 deletions activerecord/lib/active_record/base.rb
Expand Up @@ -1724,10 +1724,10 @@ def self.#{method_id}(*args)
#{'result = ' if bang}if options[:conditions]
with_scope(:find => finder_options) do
ActiveSupport::Deprecation.silence { send(:#{finder}, options) }
find(:#{finder}, options)
end
else
ActiveSupport::Deprecation.silence { send(:#{finder}, options.merge(finder_options)) }
find(:#{finder}, options.merge(finder_options))
end
#{'result || raise(RecordNotFound)' if bang}
end
Expand All @@ -1750,9 +1750,9 @@ def self.#{method_id}(*args)
options = { :conditions => find_attributes }
set_readonly_option!(options)
record = find_initial(options)
record = find(:first, options)
if record.nil?
if record.nil?
record = self.new { |r| r.send(:attributes=, attributes, guard_protected_attributes) }
#{'yield(record) if block_given?'}
#{'record.save' if instantiator == :create}
Expand Down
8 changes: 4 additions & 4 deletions activerecord/lib/active_record/dynamic_finder_match.rb
Expand Up @@ -6,11 +6,11 @@ def self.match(method)
end

def initialize(method)
@finder = :find_initial
@finder = :first
case method.to_s
when /^find_(all_by|last_by|by)_([_a-zA-Z]\w*)$/
@finder = :find_last if $1 == 'last_by'
@finder = :find_every if $1 == 'all_by'
@finder = :last if $1 == 'last_by'
@finder = :all if $1 == 'all_by'
names = $2
when /^find_by_([_a-zA-Z]\w*)\!$/
@bang = true
Expand All @@ -31,7 +31,7 @@ def finder?
end

def instantiator?
@finder == :find_initial && !@instantiator.nil?
@finder == :first && !@instantiator.nil?
end

def bang?
Expand Down
27 changes: 22 additions & 5 deletions activerecord/test/cases/finder_test.rb
Expand Up @@ -21,7 +21,7 @@ def test_find_by
match = ActiveRecord::DynamicFinderMatch.match("find_by_age_and_sex_and_location")
assert_not_nil match
assert match.finder?
assert_equal :find_initial, match.finder
assert_equal :first, match.finder
assert_equal %w(age sex location), match.attribute_names
end

Expand All @@ -30,15 +30,15 @@ def find_by_bang
assert_not_nil match
assert match.finder?
assert match.bang?
assert_equal :find_initial, match.finder
assert_equal :first, match.finder
assert_equal %w(age sex location), match.attribute_names
end

def test_find_all_by
match = ActiveRecord::DynamicFinderMatch.match("find_all_by_age_and_sex_and_location")
assert_not_nil match
assert match.finder?
assert_equal :find_every, match.finder
assert_equal :all, match.finder
assert_equal %w(age sex location), match.attribute_names
end

Expand All @@ -47,7 +47,7 @@ def test_find_or_initialize_by
assert_not_nil match
assert !match.finder?
assert match.instantiator?
assert_equal :find_initial, match.finder
assert_equal :first, match.finder
assert_equal :new, match.instantiator
assert_equal %w(age sex location), match.attribute_names
end
Expand All @@ -57,7 +57,7 @@ def test_find_or_create_by
assert_not_nil match
assert !match.finder?
assert match.instantiator?
assert_equal :find_initial, match.finder
assert_equal :first, match.finder
assert_equal :create, match.instantiator
assert_equal %w(age sex location), match.attribute_names
end
Expand Down Expand Up @@ -500,6 +500,23 @@ def test_count_by_sql
assert_equal(2, Entrant.count_by_sql(["SELECT COUNT(*) FROM entrants WHERE id > ?", 1]))
end

uses_mocha('test_dynamic_finder_should_go_through_the_find_class_method') do
def test_dynamic_finders_should_go_through_the_find_class_method
Topic.expects(:find).with(:first, :conditions => { :title => 'The First Topic!' })
Topic.find_by_title("The First Topic!")

Topic.expects(:find).with(:last, :conditions => { :title => 'The Last Topic!' })
Topic.find_last_by_title("The Last Topic!")

Topic.expects(:find).with(:all, :conditions => { :title => 'A Topic.' })
Topic.find_all_by_title("A Topic.")

Topic.expects(:find).with(:first, :conditions => { :title => 'Does not exist yet for sure!' }).times(2)
Topic.find_or_initialize_by_title('Does not exist yet for sure!')
Topic.find_or_create_by_title('Does not exist yet for sure!')
end
end

def test_find_by_one_attribute
assert_equal topics(:first), Topic.find_by_title("The First Topic")
assert_nil Topic.find_by_title("The First Topic!")
Expand Down

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