def test_binary_operator_precedence():
jexl = JEXL()
jexl.add_binary_operator('=', 50, lambda x, y: x + y)
jexl.add_binary_operator('@', 100, lambda x, y: x / y)
assert jexl.evaluate('(3 = 6) @ 3') == 3
assert jexl.evaluate('3 = 6 @ 3') == 5
#!/usr/bin/env python3
import json
import sys
import jsonschema
from jsonschema.exceptions import best_match, ValidationError
from pyjexl.jexl import JEXL
# Create a jexl evaluator
EVALUATOR = JEXL()
EVALUATOR.add_binary_operator('intersect', 40,
lambda x, y: set(x).intersection(y))
EVALUATOR.add_transform('date', lambda x: 0)
EVALUATOR.add_transform('length', lambda x: 0)
EVALUATOR.add_transform('preferenceValue', lambda x: False)
EVALUATOR.add_transform('mapToProperty', lambda x, y: [])
EVALUATOR.add_transform('keys', lambda x: [])
EVALUATOR.add_transform('bucketSample', lambda x, y, z, q: False)
EVALUATOR.add_transform('stableSample', lambda x, y: False)
# cache all the known schemas to validate experiments
ALL_SCHEMAS = dict()
SCHEMA_MAP = {
"cfr": "schema/cfr.schema.json",
"onboarding": "schema/onboarding.schema.json",
"onboarding-multistage": "schema/onboarding-multistage.schema.json",
"cfr-fxa": "schema/cfr-fxa.schema.json",
"cfr-heartbeat": "schema/cfr-heartbeat.schema.json",
def test_add_custom_binary_operator():
jexl = JEXL()
jexl.add_binary_operator('=', 20, lambda x, y: (x + y) / 2)
assert jexl.evaluate('2 = 4') == 3
