activerecord-hackery--ransack/spec/ransack/search_spec.rb

require 'spec_helper'

module Ransack
  describe Search do

    describe '#build' do
      it 'creates Conditions for top-level attributes' do
        search = Search.new(Person, name_eq: 'Ernie')
        condition = search.base[:name_eq]
        condition.should be_a Nodes::Condition
        condition.predicate.name.should eq 'eq'
        condition.attributes.first.name.should eq 'name'
        condition.value.should eq 'Ernie'
      end

      it 'creates Conditions for association attributes' do
        search = Search.new(Person, children_name_eq: 'Ernie')
        condition = search.base[:children_name_eq]
        condition.should be_a Nodes::Condition
        condition.predicate.name.should eq 'eq'
        condition.attributes.first.name.should eq 'children_name'
        condition.value.should eq 'Ernie'
      end

      it 'creates Conditions for polymorphic belongs_to association attributes' do
        search = Search.new(Note, notable_of_Person_type_name_eq: 'Ernie')
        condition = search.base[:notable_of_Person_type_name_eq]
        condition.should be_a Nodes::Condition
        condition.predicate.name.should eq 'eq'
        condition.attributes.first.name.should eq 'notable_of_Person_type_name'
        condition.value.should eq 'Ernie'
      end

      it 'creates Conditions for multiple polymorphic belongs_to association attributes' do
        search = Search.new(Note, notable_of_Person_type_name_or_notable_of_Article_type_title_eq: 'Ernie')
        condition = search.base[:notable_of_Person_type_name_or_notable_of_Article_type_title_eq]
        condition.should be_a Nodes::Condition
        condition.predicate.name.should eq 'eq'
        condition.attributes.first.name.should eq 'notable_of_Person_type_name'
        condition.attributes.last.name.should eq 'notable_of_Article_type_title'
        condition.value.should eq 'Ernie'
      end

      it 'discards empty conditions' do
        search = Search.new(Person, children_name_eq: '')
        condition = search.base[:children_name_eq]
        condition.should be_nil
      end

      it 'accepts arrays of groupings' do
        search = Search.new(Person,
          g: [
            { m: 'or', name_eq: 'Ernie', children_name_eq: 'Ernie' },
            { m: 'or', name_eq: 'Bert',  children_name_eq: 'Bert' },
          ]
        )
        ors = search.groupings
        ors.should have(2).items
        or1, or2 = ors
        or1.should be_a Nodes::Grouping
        or1.combinator.should eq 'or'
        or2.should be_a Nodes::Grouping
        or2.combinator.should eq 'or'
      end

      it 'accepts "attributes" hashes for groupings' do
        search = Search.new(Person,
          g: {
            '0' => { m: 'or', name_eq: 'Ernie', children_name_eq: 'Ernie' },
            '1' => { m: 'or', name_eq: 'Bert',  children_name_eq: 'Bert' },
          }
        )
        ors = search.groupings
        ors.should have(2).items
        or1, or2 = ors
        or1.should be_a Nodes::Grouping
        or1.combinator.should eq 'or'
        or2.should be_a Nodes::Grouping
        or2.combinator.should eq 'or'
      end

      it 'accepts "attributes" hashes for conditions' do
        search = Search.new(Person,
          c: {
            '0' => { a: ['name'], p: 'eq', v: ['Ernie'] },
            '1' => { a: ['children_name', 'parent_name'], p: 'eq', v: ['Ernie'], m: 'or' }
          }
        )
        conditions = search.base.conditions
        conditions.should have(2).items
        conditions.map {|c| c.class}.should eq [Nodes::Condition, Nodes::Condition]
      end

      it 'creates Conditions for custom predicates that take arrays' do
        Ransack.configure do |config|
          config.add_predicate 'ary_pred',
          wants_array: true
        end

        search = Search.new(Person, name_ary_pred: ['Ernie', 'Bert'])
        condition = search.base[:name_ary_pred]
        condition.should be_a Nodes::Condition
        condition.predicate.name.should eq 'ary_pred'
        condition.attributes.first.name.should eq 'name'
        condition.value.should eq ['Ernie', 'Bert']
      end

      it 'does not evaluate the query on #inspect' do
        search = Search.new(Person, children_id_in: [1, 2, 3])
        search.inspect.should_not match /ActiveRecord/
      end
    end

    describe '#result' do
      it 'evaluates conditions contextually' do
        search = Search.new(Person, children_name_eq: 'Ernie')
        search.result.should be_an ActiveRecord::Relation
        where = search.result.where_values.first
        where.to_sql.should match /"children_people"\."name" = 'Ernie'/
      end

      it 'evaluates compound conditions contextually' do
        search = Search.new(Person, children_name_or_name_eq: 'Ernie')
        search.result.should be_an ActiveRecord::Relation
        where = search.result.where_values.first
        where.to_sql.should match /"children_people"\."name" = 'Ernie' OR "people"\."name" = 'Ernie'/
      end

      it 'evaluates polymorphic belongs_to association conditions contextually' do
        search = Search.new(Note, notable_of_Person_type_name_eq: 'Ernie')
        search.result.should be_an ActiveRecord::Relation
        where = search.result.where_values.first
        where.to_sql.should match /"people"."name" = 'Ernie'/
      end

      it 'evaluates nested conditions' do
        search = Search.new(Person, children_name_eq: 'Ernie',
          g: [{
            m: 'or',
            name_eq: 'Ernie',
            children_children_name_eq: 'Ernie'
          }]
        )
        search.result.should be_an ActiveRecord::Relation
        where = search.result.where_values.first
        where.to_sql.should match /"children_people"."name" = 'Ernie'/
        where.to_sql.should match /"people"."name" = 'Ernie'/
        where.to_sql.should match /"children_people_2"."name" = 'Ernie'/
      end

      it 'evaluates arrays of groupings' do
        search = Search.new(Person,
          g: [
            { m: 'or', name_eq: 'Ernie', children_name_eq: 'Ernie'},
            { m: 'or', name_eq: 'Bert',  children_name_eq: 'Bert'},
          ]
        )
        search.result.should be_an ActiveRecord::Relation
        where = search.result.where_values.first
        sql = where.to_sql
        first, second = sql.split(/ AND /)
        first.should match /"people"."name" = 'Ernie'/
        first.should match /"children_people"."name" = 'Ernie'/
        second.should match /"people"."name" = 'Bert'/
        second.should match /"children_people"."name" = 'Bert'/
      end

      it 'returns distinct records when passed distinct: true' do
        search = Search.new(Person, g: [
          { m: 'or', comments_body_cont: 'e', articles_comments_body_cont: 'e' }
        ])
        search.result.load.should have(920).items
        search.result(distinct: true).should have(330).items
        search.result.load.uniq.should eq search.result(distinct: true).load
      end
    end

    describe '#sorts=' do
      before do
        @s = Search.new(Person)
      end

      it 'creates sorts based on a single attribute/direction' do
        @s.sorts = 'id desc'
        @s.sorts.should have(1).item
        sort = @s.sorts.first
        sort.should be_a Nodes::Sort
        sort.name.should eq 'id'
        sort.dir.should eq 'desc'
      end

      it 'creates sorts based on multiple attributes/directions in array format' do
        @s.sorts = ['id desc', 'name asc']
        @s.sorts.should have(2).items
        sort1, sort2 = @s.sorts
        sort1.should be_a Nodes::Sort
        sort1.name.should eq 'id'
        sort1.dir.should eq 'desc'
        sort2.should be_a Nodes::Sort
        sort2.name.should eq 'name'
        sort2.dir.should eq 'asc'
      end

      it 'creates sorts based on multiple attributes/directions in hash format' do
        @s.sorts = {
          '0' => {
            name: 'id',
            dir: 'desc'
          },
          '1' => {
            name: 'name',
            dir: 'asc'
          }
        }
        @s.sorts.should have(2).items
        @s.sorts.should be_all {|s| Nodes::Sort === s}
        id_sort = @s.sorts.detect {|s| s.name == 'id'}
        name_sort = @s.sorts.detect {|s| s.name == 'name'}
        id_sort.dir.should eq 'desc'
        name_sort.dir.should eq 'asc'
      end

      it 'overrides existing sort' do
         @s.sorts = 'id asc'
         @s.result.first.id.should eq 1
       end
    end

    describe '#method_missing' do
      before do
        @s = Search.new(Person)
      end

      it 'raises NoMethodError when sent an invalid attribute' do
        expect {@s.blah}.to raise_error NoMethodError
      end

      it 'sets condition attributes when sent valid attributes' do
        @s.name_eq = 'Ernie'
        @s.name_eq.should eq 'Ernie'
      end

      it 'allows chaining to access nested conditions' do
        @s.groupings = [{ m: 'or', name_eq: 'Ernie', children_name_eq: 'Ernie' }]
        @s.groupings.first.name_eq.should eq 'Ernie'
        @s.groupings.first.children_name_eq.should eq 'Ernie'
      end
    end

    describe '#respond_to' do
      it 'is aware of second argument' do
        Search.new(Person).respond_to?(:name_eq, true).should be_true
      end
    end

  end
end