diff options
Diffstat (limited to 'spec/arel/engines/sql/unit/relations/array_spec.rb')
-rw-r--r-- | spec/arel/engines/sql/unit/relations/array_spec.rb | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/spec/arel/engines/sql/unit/relations/array_spec.rb b/spec/arel/engines/sql/unit/relations/array_spec.rb new file mode 100644 index 0000000000..8d40858c5f --- /dev/null +++ b/spec/arel/engines/sql/unit/relations/array_spec.rb @@ -0,0 +1,87 @@ +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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