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test_execution.py
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test_execution.py
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from os import path
from textwrap import dedent
from typing import Any, Dict
import unittest
from ..trustfall import (
FrontendError,
InvalidIRQueryError,
ParseError,
QueryArgumentsError,
Schema,
ValidationError,
)
from ..execution import execute_query
from .numbers_adapter import NumbersAdapter
def _get_numbers_schema() -> Schema:
package_root = path.abspath(path.dirname(path.dirname(path.dirname(__file__))))
schema_path = path.join(package_root, "numbers.graphql")
with open(schema_path, "r") as f:
return Schema(f.read())
SCHEMA = _get_numbers_schema()
class ExecutionTests(unittest.TestCase):
def test_simple_query(self) -> None:
query = dedent(
"""\
{
Number(max: 10) {
value @output
name @output
}
}
"""
)
args: Dict[str, Any] = {}
expected_result = [
{"name": "zero", "value": 0},
{"name": "one", "value": 1},
{"name": "two", "value": 2},
{"name": "three", "value": 3},
{"name": "four", "value": 4},
{"name": "five", "value": 5},
{"name": "six", "value": 6},
{"name": "seven", "value": 7},
{"name": "eight", "value": 8},
{"name": "nine", "value": 9},
]
actual_result = list(execute_query(NumbersAdapter(), SCHEMA, query, args))
self.assertEqual(expected_result, actual_result)
def test_query_with_list_typed_input(self) -> None:
query = dedent(
"""\
{
Number(max: 10) {
value @output @filter(op: "one_of", value: ["$numbers"])
name @output
}
}
"""
)
args: Dict[str, Any] = {
"numbers": [1, 3, 4, 5],
}
expected_result = [
{"name": "one", "value": 1},
{"name": "three", "value": 3},
{"name": "four", "value": 4},
{"name": "five", "value": 5},
]
actual_result = list(execute_query(NumbersAdapter(), SCHEMA, query, args))
self.assertEqual(expected_result, actual_result)
def test_nested_query(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output
multiple(max: 3) {
mul: value @output
}
}
}
"""
)
args: Dict[str, Any] = {}
expected_result = [
{"value": 1, "mul": 2},
{"value": 1, "mul": 3},
{"value": 2, "mul": 4},
{"value": 2, "mul": 6},
{"value": 3, "mul": 6},
{"value": 3, "mul": 9},
]
actual_result = list(execute_query(NumbersAdapter(), SCHEMA, query, args))
self.assertEqual(expected_result, actual_result)
def test_parse_error(self) -> None:
query = "this isn't valid syntax"
args: Dict[str, Any] = {}
self.assertRaises(ParseError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_validation_error(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
nonexistent @output
}
}
"""
)
args: Dict[str, Any] = {}
self.assertRaises(ValidationError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_frontend_error(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output
value @output
}
}
"""
)
args: Dict[str, Any] = {}
self.assertRaises(FrontendError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_query_arguments_error(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output @filter(op: ">", value: ["$required"])
}
}
"""
)
args: Dict[str, Any] = {
"not_used": 42,
}
self.assertRaises(QueryArgumentsError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_wrong_argument_type_error(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output @filter(op: ">", value: ["$num"])
}
}
"""
)
args: Dict[str, Any] = {
"num": "text instead of a number",
}
self.assertRaises(QueryArgumentsError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_none_value_for_non_nullable_argument_error(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output @filter(op: "=", value: ["$num"])
}
}
"""
)
args: Dict[str, Any] = {
"num": None,
}
self.assertRaises(QueryArgumentsError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_unrepresentable_field_value(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output @filter(op: ">", value: ["$required"])
}
}
"""
)
args: Dict[str, Any] = {
"required": object(),
}
self.assertRaises(QueryArgumentsError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_bad_query_input_type(self) -> None:
query = 123
args: Dict[str, Any] = {}
self.assertRaises(TypeError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_bad_args_input_type(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output
}
}
"""
)
args = 123
self.assertRaises(TypeError, execute_query, NumbersAdapter(), SCHEMA, query, args)
def test_bad_schema_input_type(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output
}
}
"""
)
args: Dict[str, Any] = {}
self.assertRaises(TypeError, execute_query, NumbersAdapter(), 123, query, args)
def test_bad_adapter_input_type(self) -> None:
query = dedent(
"""\
{
Number(max: 4) {
value @output
}
}
"""
)
args: Dict[str, Any] = {}
self.assertRaises(TypeError, execute_query, 123, SCHEMA, query, args)