def test_remove_transform():
jexl = JEXL()
jexl.add_transform('foo', lambda x: x)
assert jexl.evaluate('4|foo') == 4
jexl.remove_transform('foo')
with pytest.raises(MissingTransformError):
jexl.evaluate('4|foo')
def test_validate():
jexl = JEXL()
jexl.add_transform('foo', lambda x: x + 1)
assert list(jexl.validate('5+6|foo')) == []
errors = list(jexl.validate('5+6|bar'))
assert len(errors) == 1
assert 'bar' in errors[0]
errors = list(jexl.validate('1+'))
assert errors == ['Could not parse expression: 1+']
def test_validate():
jexl = JEXL()
jexl.add_transform('foo', lambda x: x + 1)
assert list(jexl.validate('5+6|foo')) == []
errors = list(jexl.validate('5+6|bar'))
assert len(errors) == 1
assert 'bar' in errors[0]
errors = list(jexl.validate('1+'))
assert errors == ['Could not parse expression: 1+']
errors = list(jexl.validate('"\n"'))
assert errors == ['Could not parse expression: "\n"']
#!/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_transform():
jexl = JEXL()
jexl.add_transform('foo', lambda x: x + 2)
assert jexl.evaluate('4|foo') == 6