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Diffstat (limited to 'spec/relations/rename_relation_spec.rb')
| -rw-r--r-- | spec/relations/rename_relation_spec.rb | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/spec/relations/rename_relation_spec.rb b/spec/relations/rename_relation_spec.rb new file mode 100644 index 0000000000..e7792d146a --- /dev/null +++ b/spec/relations/rename_relation_spec.rb @@ -0,0 +1,68 @@ +require File.join(File.dirname(__FILE__), '..', 'spec_helper') + +describe RenameRelation do + before do + @relation = TableRelation.new(:foo) + @renamed_relation = RenameRelation.new(@relation, @relation[:id] => :schmid) + end + + describe '#initialize' do + it "manufactures nested rename relations if multiple renames are provided" do + RenameRelation.new(@relation, @relation[:id] => :humpty, @relation[:name] => :dumpty). \ + should == RenameRelation.new(RenameRelation.new(@relation, @relation[:id] => :humpty), @relation[:name] => :dumpty) + end + + it "make this test less brittle wrt/ hash order" do + pending + end + + it "raises an exception if the alias provided is already used" do + pending + end + end + + describe '==' do + it "obtains if the relation, attribute, and alias are identical" do + pending + end + end + + describe '#attributes' do + it "manufactures a list of attributes with the renamed attribute aliased" do + RenameRelation.new(@relation, @relation[:id] => :schmid).attributes.should == + (@relation.attributes - [@relation[:id]]) + [@relation[:id].aliazz(:schmid)] + end + end + + describe '[]' do + it 'indexes attributes by alias' do + @renamed_relation[:id].should be_nil + @renamed_relation[:schmid].should == @relation[:id] + end + end + + describe '#schmattribute' do + it "should be renamed" do + pending + end + end + + describe '#qualify' do + it "manufactures a rename relation with an identical attribute and alias, but with a qualified relation" do + RenameRelation.new(@relation, @relation[:id] => :schmid).qualify. \ + should == RenameRelation.new(@relation.qualify, @relation[:id].qualify => :schmid) + end + end + + describe '#to_sql' do + it 'manufactures sql aliasing the attribute' do + @renamed_relation.to_sql.to_s.should == SelectBuilder.new do + select do + column :foo, :name + column :foo, :id, :schmid + end + from :foo + end.to_s + end + end +end
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