diff --git a/spec/database_cleaner/data_mapper/base_spec.rb b/spec/database_cleaner/data_mapper/base_spec.rb
new file mode 100644
index 0000000..50603a1
--- /dev/null
+++ b/spec/database_cleaner/data_mapper/base_spec.rb
@@ -0,0 +1,20 @@
+require 'spec_helper'
+require 'database_cleaner/data_mapper/base'
+require 'database_cleaner/shared_strategy_spec'
+
+module DatabaseCleaner
+  describe DataMapper do
+    it { should respond_to :available_strategies }
+  end                
+  
+  module DataMapper
+    class ExampleStrategy
+      include ::DatabaseCleaner::DataMapper::Base
+    end                                      
+
+    describe ExampleStrategy do
+      it_should_behave_like "a generic strategy"
+      #it { expect{ subject.connection_klass }.to_not raise_error }
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/database_cleaner/data_mapper/transaction_spec.rb b/spec/database_cleaner/data_mapper/transaction_spec.rb
new file mode 100644
index 0000000..658b179
--- /dev/null
+++ b/spec/database_cleaner/data_mapper/transaction_spec.rb
@@ -0,0 +1,23 @@
+require File.dirname(__FILE__) + '/../../spec_helper'
+require 'database_cleaner/data_mapper/transaction'
+require 'database_cleaner/shared_strategy_spec'
+#require 'data_mapper'
+
+module DatabaseCleaner
+  module DataMapper
+
+    describe Transaction do
+      it_should_behave_like "a generic strategy"
+      it_should_behave_like "a generic transaction strategy"
+      
+      describe "start" do
+        it "should start a transaction"
+      end
+      
+      describe "clean" do
+        it "should finish a transaction"
+      end
+    end
+
+  end
+end
diff --git a/spec/database_cleaner/data_mapper/truncation_spec.rb b/spec/database_cleaner/data_mapper/truncation_spec.rb
new file mode 100644
index 0000000..1e47b6a
--- /dev/null
+++ b/spec/database_cleaner/data_mapper/truncation_spec.rb
@@ -0,0 +1,11 @@
+require 'database_cleaner/data_mapper/truncation'
+require 'database_cleaner/shared_strategy_spec'
+
+module DatabaseCleaner
+  module DataMapper
+    describe Truncation do
+      it_should_behave_like "a generic strategy"
+      it_should_behave_like "a generic truncation strategy"
+    end
+  end
+end
\ No newline at end of file