basic implementation of in memory insertions

Conflicts:

	lib/arel/engines/memory/relations.rb

1 files changed, 28 insertions, 0 deletions

diff --git a/spec/arel/engines/memory/unit/relations/insert_spec.rb b/spec/arel/engines/memory/unit/relations/insert_spec.rb
new file mode 100644
index 0000000000..4b5e8833a0
--- /dev/null
+++ b/spec/arel/engines/memory/unit/relations/insert_spec.rb
@@ -0,0 +1,28 @@
+require File.join(File.dirname(__FILE__), '..', '..', '..', '..', '..', 'spec_helper')
+
+module Arel
+  describe Insert do
+    before do
+      @relation = Array.new([
+        [1, 'duck' ],
+        [2, 'duck' ],
+        [3, 'goose']
+      ], [:id, :name])
+    end
+    
+    describe '#call' do
+      it "manufactures an array of hashes of attributes to values" do
+        @relation                                                         \
+          .insert(@relation[:id] => 4, @relation[:name] => 'guinea fowl') \
+        .let do |relation|
+          relation.call.should == [
+            Row.new(relation, [1, 'duck']),
+            Row.new(relation, [2, 'duck']),
+            Row.new(relation, [3, 'goose']),
+            Row.new(relation, [4, 'guinea fowl'])
+          ]
+        end
+      end
+    end
+  end
+end
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