diff options
Diffstat (limited to 'spec/arel')
-rw-r--r-- | spec/arel/table_spec.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/spec/arel/table_spec.rb b/spec/arel/table_spec.rb new file mode 100644 index 0000000000..d1c7cc46ba --- /dev/null +++ b/spec/arel/table_spec.rb @@ -0,0 +1,38 @@ +require 'spec_helper' + +module Arel + describe Table do + before do + @relation = Table.new(:users) + end + + describe '[]' do + describe 'when given a', Symbol do + it "manufactures an attribute if the symbol names an attribute within the relation" do + check @relation[:id].should == Attributes::Integer.new(@relation, :id) + end + end + + describe 'when given an', Attribute do + it "returns the attribute if the attribute is within the relation" do + @relation[@relation[:id]].should == @relation[:id] + end + + it "returns nil if the attribtue is not within the relation" do + another_relation = Table.new(:photos) + @relation[another_relation[:id]].should be_nil + end + end + + describe 'when given an', Expression do + before do + @expression = @relation[:id].count + end + + it "returns the Expression if the Expression is within the relation" do + @relation[@expression].should be_nil + end + end + end + end +end |