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require 'spec_helper'
module Arel
describe Where do
before do
@relation = Array.new([
[1, 'duck' ],
[2, 'duck' ],
[3, 'goose']
], [[:id, Attributes::Integer], [:name, Attributes::String]])
end
describe '#call' do
it 'filters the relation with the provided predicate' do
@relation \
.where(@relation[:id].lt(3)) \
.let do |relation|
relation.call.should == [
Row.new(relation, [1, 'duck']),
Row.new(relation, [2, 'duck']),
]
end
end
describe 'when filtering a where relation' do
it 'further filters the already-filtered relation with the provided predicate' do
@relation \
.where(@relation[:id].gt(1)) \
.where(@relation[:id].lt(3)) \
.let do |relation|
relation.call.should == [
Row.new(relation, [2, 'duck'])
]
end
end
end
end
end
end
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