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|
from typing import Any
from graphql import graphql_sync
from .star_wars_schema import star_wars_schema
def query_star_wars(source: str) -> Any:
result = graphql_sync(star_wars_schema, source)
assert result.errors is None
return result.data
def describe_star_wars_introspection_tests():
def describe_basic_introspection():
def allows_querying_the_schema_for_types():
data = query_star_wars(
"""
{
__schema {
types {
name
}
}
}
"""
)
# Include all types used by StarWars schema, introspection types and
# standard directives. For example, `Boolean` is used in `@skip`,
# `@include` and also inside introspection types.
assert data == {
"__schema": {
"types": [
{"name": "Human"},
{"name": "Character"},
{"name": "String"},
{"name": "Episode"},
{"name": "Droid"},
{"name": "Query"},
{"name": "Boolean"},
{"name": "__Schema"},
{"name": "__Type"},
{"name": "__TypeKind"},
{"name": "__Field"},
{"name": "__InputValue"},
{"name": "__EnumValue"},
{"name": "__Directive"},
{"name": "__DirectiveLocation"},
]
}
}
def allows_querying_the_schema_for_query_type():
data = query_star_wars(
"""
{
__schema {
queryType {
name
}
}
}
"""
)
assert data == {"__schema": {"queryType": {"name": "Query"}}}
def allows_querying_the_schema_for_a_specific_type():
data = query_star_wars(
"""
{
__type(name: "Droid") {
name
}
}
"""
)
assert data == {"__type": {"name": "Droid"}}
def allows_querying_the_schema_for_an_object_kind():
data = query_star_wars(
"""
{
__type(name: "Droid") {
name
kind
}
}
"""
)
assert data == {"__type": {"name": "Droid", "kind": "OBJECT"}}
def allows_querying_the_schema_for_an_interface_kind():
data = query_star_wars(
"""
{
__type(name: "Character") {
name
kind
}
}
"""
)
assert data == {"__type": {"name": "Character", "kind": "INTERFACE"}}
def allows_querying_the_schema_for_object_fields():
data = query_star_wars(
"""
{
__type(name: "Droid") {
name
fields {
name
type {
name
kind
}
}
}
}
"""
)
assert data == {
"__type": {
"name": "Droid",
"fields": [
{"name": "id", "type": {"name": None, "kind": "NON_NULL"}},
{"name": "name", "type": {"name": "String", "kind": "SCALAR"}},
{"name": "friends", "type": {"name": None, "kind": "LIST"}},
{"name": "appearsIn", "type": {"name": None, "kind": "LIST"}},
{
"name": "secretBackstory",
"type": {"name": "String", "kind": "SCALAR"},
},
{
"name": "primaryFunction",
"type": {"name": "String", "kind": "SCALAR"},
},
],
}
}
def allows_querying_the_schema_for_nested_object_fields():
data = query_star_wars(
"""
{
__type(name: "Droid") {
name
fields {
name
type {
name
kind
ofType {
name
kind
}
}
}
}
}
"""
)
assert data == {
"__type": {
"name": "Droid",
"fields": [
{
"name": "id",
"type": {
"name": None,
"kind": "NON_NULL",
"ofType": {"name": "String", "kind": "SCALAR"},
},
},
{
"name": "name",
"type": {
"name": "String",
"kind": "SCALAR",
"ofType": None,
},
},
{
"name": "friends",
"type": {
"name": None,
"kind": "LIST",
"ofType": {"name": "Character", "kind": "INTERFACE"},
},
},
{
"name": "appearsIn",
"type": {
"name": None,
"kind": "LIST",
"ofType": {"name": "Episode", "kind": "ENUM"},
},
},
{
"name": "secretBackstory",
"type": {
"name": "String",
"kind": "SCALAR",
"ofType": None,
},
},
{
"name": "primaryFunction",
"type": {
"name": "String",
"kind": "SCALAR",
"ofType": None,
},
},
],
}
}
def allows_querying_the_schema_for_field_args():
data = query_star_wars(
"""
{
__schema {
queryType {
fields {
name
args {
name
description
type {
name
kind
ofType {
name
kind
}
}
defaultValue
}
}
}
}
}
"""
)
assert data == {
"__schema": {
"queryType": {
"fields": [
{
"name": "hero",
"args": [
{
"defaultValue": None,
"description": "If omitted, returns the hero of"
" the whole saga. If provided, returns the hero"
" of that particular episode.",
"name": "episode",
"type": {
"kind": "ENUM",
"name": "Episode",
"ofType": None,
},
}
],
},
{
"name": "human",
"args": [
{
"name": "id",
"description": "id of the human",
"type": {
"kind": "NON_NULL",
"name": None,
"ofType": {
"kind": "SCALAR",
"name": "String",
},
},
"defaultValue": None,
}
],
},
{
"name": "droid",
"args": [
{
"name": "id",
"description": "id of the droid",
"type": {
"kind": "NON_NULL",
"name": None,
"ofType": {
"kind": "SCALAR",
"name": "String",
},
},
"defaultValue": None,
}
],
},
]
}
}
}
def allows_querying_the_schema_for_documentation():
data = query_star_wars(
"""
{
__type(name: "Droid") {
name
description
}
}
"""
)
assert data == {
"__type": {
"name": "Droid",
"description": "A mechanical creature in the Star Wars universe.",
}
}
|
