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Diffstat (limited to 'spec/arel/engines/memory/unit/relations/where_spec.rb')
| -rw-r--r-- | spec/arel/engines/memory/unit/relations/where_spec.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/spec/arel/engines/memory/unit/relations/where_spec.rb b/spec/arel/engines/memory/unit/relations/where_spec.rb new file mode 100644 index 0000000000..d75ee5dcbe --- /dev/null +++ b/spec/arel/engines/memory/unit/relations/where_spec.rb @@ -0,0 +1,39 @@ +require File.join(File.dirname(__FILE__), '..', '..', '..', '..', '..', 'spec_helper') + +module Arel + describe Where do + before do + @relation = Array.new([ + [1, 'duck' ], + [2, 'duck' ], + [3, 'goose'] + ], [:id, :name]) + 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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