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require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper')
module Arel
describe Array do
before do
@relation = Array.new([
[1, 'duck' ],
[2, 'duck' ],
[3, 'goose']
], [:id, :name])
end
describe '#attributes' do
it 'manufactures attributes corresponding to the names given on construction' do
@relation.attributes.should == [
Attribute.new(@relation, :id),
Attribute.new(@relation, :name)
]
end
end
describe '#call' do
it "manufactures an array of hashes of attributes to values" do
@relation.call.should == [
{ @relation[:id] => 1, @relation[:name] => 'duck' },
{ @relation[:id] => 2, @relation[:name] => 'duck' },
{ @relation[:id] => 3, @relation[:name] => 'goose' }
]
end
describe 'where' do
it 'filters the relation with the provided predicate' do
@relation.where(@relation[:id].lt(3)).call.should == [
{ @relation[:id] => 1, @relation[:name] => 'duck' },
{ @relation[:id] => 2, @relation[:name] => 'duck' }
]
end
end
describe 'group' do
it 'sorts the relation with the provided ordering' do
end
end
describe 'order' do
it 'sorts the relation with the provided ordering' do
@relation.order(@relation[:id].desc).call.should == [
{ @relation[:id] => 3, @relation[:name] => 'goose' },
{ @relation[:id] => 2, @relation[:name] => 'duck' },
{ @relation[:id] => 1, @relation[:name] => 'duck' }
]
end
end
describe 'project' do
it 'projects' do
@relation.project(@relation[:id]).call.should == [
{ @relation[:id] => 1 },
{ @relation[:id] => 2 },
{ @relation[:id] => 3 }
]
end
end
describe 'skip' do
it 'slices' do
@relation.skip(1).call.should == [
{ @relation[:id] => 2, @relation[:name] => 'duck' },
{ @relation[:id] => 3, @relation[:name] => 'goose' }
]
end
end
describe 'take' do
it 'dices' do
@relation.take(2).call.should == [
{ @relation[:id] => 1, @relation[:name] => 'duck' },
{ @relation[:id] => 2, @relation[:name] => 'duck' }
]
end
end
describe 'join' do
end
end
end
end
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