Added Dockerfile + limited sample for #13

.dockerignore

@@ -0,0 +1 @@
+venv

Dockerfile

@@ -0,0 +1,17 @@
+FROM debian:jessie
+
+# Add extra repositories
+RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
+RUN echo "deb http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 main" | tee /etc/apt/sources.list.d/mongodb-org-3.0.list
+
+RUN apt-get update
+RUN apt-get install -y sudo mongodb-org-server gcc make g++ build-essential python-pip python-dev
+
+# Put Python pip requirements files
+ADD requirements.txt /tmp/requirements.txt
+ADD requirements-tests.txt /tmp/requirements-tests.txt
+
+RUN pip install -r /tmp/requirements.txt
+RUN pip install -r /tmp/requirements-tests.txt
+
+RUN mkdir -p /data/db

Makefile

@@ -17,4 +17,16 @@ test_cext:
 	python setup.py build_ext && cp build/lib.macosx-10.10-intel-2.7/mongokat/_cbson.so mongokat/ && py.test tests -sv
 
 pypi:
-	python setup.py sdist upload -r pypi
+	python setup.py sdist upload -r pypi
+
+docker_build:
+	docker build -t pricingassistant/mongokat .
+
+docker_ssh:
+	docker run -v `pwd`:/app:rw -w /app -t -i pricingassistant/mongokat bash
+
+start_mongod:
+	mongod --smallfiles --noprealloc --nojournal &
+
+docker_test: docker_build
+	docker run -v `pwd`:/app:rw -w /app -t -i pricingassistant/mongokat sh -c 'make start_mongod && py.test tests/ -v'

README.md

@@ -12,6 +12,8 @@ Tests
 
 You can just do `make test` to run the tests after setting up your environment (`make virtualenv` might help)
 
+Alternatively, you can use `make docker_test` to run tests inside a Docker image, without worrying about installing MongoDB on your machine.
+
 Contributing
 ============
 

tests/test_shortnames.py

@@ -0,0 +1,57 @@
+from mongokat import Document, Collection
+
+
+class ShortNamesDocument(Document):
+  """ This Document subclass supports limited alias names, as suggested in https://github.com/pricingassistant/mongokat/issues/13
+
+  Note that they don't work in queries, field name lists, or dict(doc). Further subclassing would be necessary
+  for that to work. Pull Requests welcome, though we won't include that in MongoKat itself.
+  """
+
+  short_names = {
+    "description": "d",
+    "value": "v"
+  }
+
+  def __getitem__(self, key):
+    if key in self.short_names:
+      return self.get(self.short_names[key])
+    return self.get(key)
+
+  def __setitem__(self, key, value):
+    if key in self.short_names:
+      key = self.short_names[key]
+    dict.__setitem__(self, key, value)
+
+
+class ShortNamesCollection(Collection):
+  document_class = ShortNamesDocument
+
+
+def test_shortnames(db):
+  db.test_shortnames.drop()
+  SN = ShortNamesCollection(collection=db.test_shortnames)
+
+  doc = SN({"regular": "1"})
+  doc.save()
+
+  docs = list(SN.find())
+  print docs
+  assert len(docs) == 1
+  assert docs[0]["regular"] == "1"
+
+  docs[0]["value"] = "2"
+  docs[0].save()
+
+  docs = list(SN.find())
+  print docs
+  print dict(docs[0])
+  assert len(docs) == 1
+  assert docs[0]["value"] == "2"
+  assert docs[0]["v"] == "2"
+
+  # Bypass mongokat to see the real document
+  raw_docs = list(db.test_shortnames.find())
+  assert len(raw_docs) == 1
+  assert "value" not in raw_docs[0]
+  assert raw_docs[0]["v"] == "2"