def test_get_new_database_object(self):
# when invoking the function with no id in the json
final_state = self.get_database_object_for({}, Session())
#assert it returns a new object, associated with the session
new_object = value("data")(final_state)
self.assertEquals(Article, type(new_object))
def test_transform_from_json_article(self):
# when invoking the function
json = {"title": "A title", "content": "Some content"}
final_state = self.get_transform_from_json(json)
#assert the object contains the values
transformed_object = value("data")(final_state)
self.assertEquals(json["title"], transformed_object.title)
self.assertEquals(json["content"], transformed_object.content)
def test_change(self):
#given an immutable object
initial_state = Immutable(data=None, errors=[])
#when we channge it
json = {"name": "Laci"}
final_state = change("json", json)(initial_state)
#assert it has the new value
self.assertEquals(json, value("json")(final_state))
def transform_to_json(state):
debug(transform_to_json.__name__, "data:", state.data)
obj = value("data")(state)
json = {}
transformer_cls = transformers[state.type.__name__]
transformer = transformer_cls()
transformer.to_json(json, obj)
return change("data", json)(state)
def test_transform_to_json_article(self):
initial_state = Immutable(data=None, errors=[])
process = compose_list([
change("data", Article(title="title", content="content")),
change("type", Article), transform_to_json
])
final_state = process(initial_state)
#assert the object contains the values
json = value("data")(final_state)
self.assertTrue(json.has_key("id"))
self.assertEquals("title", json["title"])
self.assertEquals("content", json["content"])
def test_get_existing_database_object(self):
#given an exising object in the database
session = Session()
new_article = Article(title="Title", content="Content")
session.add(new_article)
session.commit()
id = new_article.id
session.close()
# when invoking the function with no id in the json
final_state = self.get_database_object_for({"id":id}, Session())
#assert it returns a new object, associated with the session
existing_object = value("data")(final_state)
self.assertEquals(Article, type(existing_object))
self.assertEquals("Title", existing_object.title)
def test_transform_from_json_article_with_comments(self):
# when invoking the function
json = {
"title":
"A title",
"content":
"Some content",
"comments": [{
"comment": "This was awesome!"
}, {
"comment": "I loved it as well!"
}]
}
final_state = self.get_transform_from_json(json)
#assert the object contains the values
transformed_object = value("data")(final_state)
self.assertEquals(json["title"], transformed_object.title)
self.assertEquals(json["content"], transformed_object.content)
self.assertEquals(json["comments"][0]["comment"],
transformed_object.comments[0].comment)
self.assertEquals(json["comments"][1]["comment"],
transformed_object.comments[1].comment)
