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author | Carl Lerche <carllerche@mac.com> | 2010-03-12 14:46:37 -0800 |
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committer | Carl Lerche <carllerche@mac.com> | 2010-03-12 14:46:37 -0800 |
commit | e13420c86afb5c31e90cff800f121bd49255b939 (patch) | |
tree | 7089d188061b2a676143add52227e107a5cf9b45 /spec/engines/memory/unit/relations/join_spec.rb | |
parent | 0b8b87fb947a746d4e58d11ea73ef20cfb23f576 (diff) | |
download | rails-e13420c86afb5c31e90cff800f121bd49255b939.tar.gz rails-e13420c86afb5c31e90cff800f121bd49255b939.tar.bz2 rails-e13420c86afb5c31e90cff800f121bd49255b939.zip |
We're obviously writing specs for arel. No need for a sub directory.
Diffstat (limited to 'spec/engines/memory/unit/relations/join_spec.rb')
-rw-r--r-- | spec/engines/memory/unit/relations/join_spec.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/spec/engines/memory/unit/relations/join_spec.rb b/spec/engines/memory/unit/relations/join_spec.rb new file mode 100644 index 0000000000..ed5fe89ef0 --- /dev/null +++ b/spec/engines/memory/unit/relations/join_spec.rb @@ -0,0 +1,31 @@ +require 'spec_helper' + +module Arel + describe Join do + before do + @relation1 = Array.new([ + [1, 'duck' ], + [2, 'duck' ], + [3, 'goose'] + ], [[:id, Attributes::Integer], [:name, Attributes::String]]) + @relation2 = @relation1.alias + end + + describe InnerJoin do + describe '#call' do + it 'combines the two tables where the predicate obtains' do + @relation1 \ + .join(@relation2) \ + .on(@relation1[:id].eq(@relation2[:id])) \ + .let do |relation| + relation.call.should == [ + Row.new(relation, [1, 'duck', 1, 'duck' ]), + Row.new(relation, [2, 'duck', 2, 'duck' ]), + Row.new(relation, [3, 'goose', 3, 'goose']) + ] + end + end + end + end + end +end |