removed support for scalar select (will return later); added support for aliased tables

1 files changed, 36 insertions, 0 deletions

diff --git a/spec/active_relation/relations/alias_spec.rb b/spec/active_relation/relations/alias_spec.rb
new file mode 100644
index 0000000000..6f25df3ddb
--- /dev/null
+++ b/spec/active_relation/relations/alias_spec.rb
@@ -0,0 +1,36 @@
+require File.join(File.dirname(__FILE__), '..', '..', 'spec_helper')
+
+describe ActiveRelation::Relations::Alias do
+  before do
+    @relation = ActiveRelation::Relations::Table.new(:users)
+    @alias_relation = @relation.as(:foo)
+  end
+  
+  describe '#name' do
+    it 'returns the alias' do
+      @alias_relation.name.should == :foo
+    end
+  end
+  
+  describe '#attributes' do
+    it 'manufactures sql deleting a table relation' do
+      @alias_relation.attributes.should == @relation.attributes.collect { |a| ActiveRelation::Primitives::Attribute.new(@alias_relation, a.name) }
+    end
+  end
+  
+  describe '[]' do
+    it 'manufactures attributes associated with the aliased relation' do
+      @alias_relation[:id].relation.should == @alias_relation
+      @alias_relation[:does_not_exist].should be_nil
+    end
+  end
+  
+  describe '#to_sql' do
+    it "manufactures an aliased select query" do
+      @alias_relation.to_sql.should be_like("""
+        SELECT `foo`.`name`, `foo`.`id`
+        FROM `users` AS `foo`
+      """)
+    end
+  end
+end
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