DgraphAndWeaviateTest
OsProject
OsProject | |
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edit | |
id | DgraphAndWeaviateTest |
state | |
owner | Wolfgang Fahl |
title | DgraphAndWeaviateTest |
url | https://github.com/WolfgangFahl/DgraphAndWeaviateTest |
version | 0.0.1 |
description | |
date | 2020/08/05 |
since | |
until |
This is sample project to test Python based access to Dgraph, Weaviate and Apache Jena
Installation and test
Installation
https://github.com/WolfgangFahl/DgraphAndWeaviateTest
cd DgraphAndWeaviateTest
scripts/install
Dgraph Installation
docker based pull:
scripts/dgraph -p
Dgraph start
docker based start of
- alpha
- ratel
- zero
scripts/dgraph
Dgraph stop
scripts/dgraph -k
scripts/dgraph usage
scripts/dgraph -h
scripts/dgraph [-b|--bash|-c|--clean|-h|--help|-k|--kill|-p|--pull]
-b | --bash: start a bash terminal shell within the currently running container
-h | --help: show this usage
-k | --kill: stop the docker image
-p | --pull: pull the docker image
-c | --clean: clean start with kill and purge of all data
Example unit test
Dgraph unit test
def testDgraph(self):
'''
test basic Dgraph operation
'''
dgraph=Dgraph(debug=True)
# drop all data and schemas
dgraph.drop_all()
# create a schema for Pokemons
schema='''
name: string @index(exact) .
weight: float .
height: float .
type Pokemon {
name
weight
height
}'''
dgraph.addSchema(schema)
# prepare a list of Pokemons to be added
pokemonList=[{'name':'Pikachu', 'weight': 6, 'height': 0.4 },
{'name':'Arbok', 'weight': 65, 'height': 3.5 },
{'name':'Raichu', 'weight': 30, 'height': 0.8 },
{'name':'Sandan', 'weight': 12, 'height': 0.6 }]
# add the list in a single transaction
dgraph.addData(obj=pokemonList)
# retrieve the data via GraphQL+ query
graphQuery='''{
# list of pokemons
pokemons(func: has(name), orderasc: name) {
name
weight
height
}
}'''
queryResult=dgraph.query(graphQuery)
# check the result
self.assertTrue('pokemons' in queryResult)
pokemons=queryResult['pokemons']
self.assertEqual(len(pokemonList),len(pokemons))
sortindex=[1,0,2,3]
for index,pokemon in enumerate(pokemons):
expected=pokemonList[sortindex[index]]
self.assertEquals(expected,pokemon)
# close the database connection
dgraph.close()
Example test session
see https://travis-ci.org/github/WolfgangFahl/DgraphAndWeaviateTest/jobs/715131236