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from graphql.execution import execute_sync
from graphql.language import parse
from graphql.type import (
GraphQLArgument,
GraphQLBoolean,
GraphQLField,
GraphQLID,
GraphQLInt,
GraphQLList,
GraphQLNonNull,
GraphQLObjectType,
GraphQLSchema,
GraphQLString,
)
def describe_execute_handles_execution_with_a_complex_schema():
def executes_using_a_schema():
class Article:
# noinspection PyShadowingBuiltins
def __init__(self, id: int):
self.id = id
self.isPublished = True
self.author = JohnSmith()
self.title = f"My Article {id}"
self.body = "This is a post"
self.hidden = "This data is not exposed in the schema"
self.keywords = ["foo", "bar", 1, True, None]
BlogImage = GraphQLObjectType(
"Image",
{
"url": GraphQLField(GraphQLString),
"width": GraphQLField(GraphQLInt),
"height": GraphQLField(GraphQLInt),
},
)
BlogArticle: GraphQLObjectType
BlogAuthor = GraphQLObjectType(
"Author",
lambda: {
"id": GraphQLField(GraphQLString),
"name": GraphQLField(GraphQLString),
"pic": GraphQLField(
BlogImage,
args={
"width": GraphQLArgument(GraphQLInt),
"height": GraphQLArgument(GraphQLInt),
},
resolve=lambda obj, info, width, height: obj.pic(
info, width, height
),
),
"recentArticle": GraphQLField(BlogArticle),
},
)
BlogArticle = GraphQLObjectType(
"Article",
{
"id": GraphQLField(GraphQLNonNull(GraphQLString)),
"isPublished": GraphQLField(GraphQLBoolean),
"author": GraphQLField(BlogAuthor),
"title": GraphQLField(GraphQLString),
"body": GraphQLField(GraphQLString),
"keywords": GraphQLField(GraphQLList(GraphQLString)),
},
)
# noinspection PyShadowingBuiltins
BlogQuery = GraphQLObjectType(
"Query",
{
"article": GraphQLField(
BlogArticle,
args={"id": GraphQLArgument(GraphQLID)},
resolve=lambda _obj, _info, id: Article(id),
),
"feed": GraphQLField(
GraphQLList(BlogArticle),
resolve=lambda *_args: [Article(n + 1) for n in range(10)],
),
},
)
BlogSchema = GraphQLSchema(BlogQuery)
# noinspection PyPep8Naming,PyMethodMayBeStatic
class Author:
def pic(self, info_, width: int, height: int) -> "Pic":
return Pic(123, width, height)
@property
def recentArticle(self) -> Article:
return Article(1)
class JohnSmith(Author):
id = 123
name = "John Smith"
class Pic:
def __init__(self, uid: int, width: int, height: int):
self.url = f"cdn://{uid}"
self.width = f"{width}"
self.height = f"{height}"
document = parse(
"""
{
feed {
id,
title
},
article(id: "1") {
...articleFields,
author {
id,
name,
pic(width: 640, height: 480) {
url,
width,
height
},
recentArticle {
...articleFields,
keywords
}
}
}
}
fragment articleFields on Article {
id,
isPublished,
title,
body,
hidden,
notDefined
}
"""
)
# Note: this is intentionally not validating to ensure appropriate
# behavior occurs when executing an invalid query.
assert execute_sync(schema=BlogSchema, document=document) == (
{
"feed": [
{"id": "1", "title": "My Article 1"},
{"id": "2", "title": "My Article 2"},
{"id": "3", "title": "My Article 3"},
{"id": "4", "title": "My Article 4"},
{"id": "5", "title": "My Article 5"},
{"id": "6", "title": "My Article 6"},
{"id": "7", "title": "My Article 7"},
{"id": "8", "title": "My Article 8"},
{"id": "9", "title": "My Article 9"},
{"id": "10", "title": "My Article 10"},
],
"article": {
"id": "1",
"isPublished": True,
"title": "My Article 1",
"body": "This is a post",
"author": {
"id": "123",
"name": "John Smith",
"pic": {"url": "cdn://123", "width": 640, "height": 480},
"recentArticle": {
"id": "1",
"isPublished": True,
"title": "My Article 1",
"body": "This is a post",
"keywords": ["foo", "bar", "1", "true", None],
},
},
},
},
None,
)
|
