spec/integration/commands/delete_spec.rb in rom-sql-0.3.2 vs spec/integration/commands/delete_spec.rb in rom-sql-0.4.0.beta1

@@ -19,18 +19,37 @@
     end
 
     rom.relations.users.insert(id: 2, name: 'Jane')
   end
 
+  context '#transaction' do
+    it 'delete in normal way if no error raised' do
+      expect {
+        users.delete.transaction do
+          users.delete.by_name('Jane').call
+        end
+      }.to change { rom.relations.users.count }.by(-1)
+    end
+
+    it 'delete nothing if error was raised' do
+      expect {
+        users.delete.transaction do
+          users.delete.by_name('Jane').call
+          raise ROM::SQL::Rollback
+        end
+      }.to_not change { rom.relations.users.count }
+    end
+  end
+
   it 'raises error when tuple count does not match expectation' do
-    result = users.try { delete }
+    result = users.try { users.delete.call }
 
     expect(result.value).to be(nil)
     expect(result.error).to be_instance_of(ROM::TupleCountMismatchError)
   end
 
   it 'deletes all tuples in a restricted relation' do
-    result = users.try { delete(:by_name, 'Jane') }
+    result = users.try { users.delete.by_name('Jane').call }
 
-    expect(result.value).to eql({ id: 2, name: 'Jane' })
+    expect(result.value).to eql(id: 2, name: 'Jane')
   end
 end