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test_parse.py
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139 lines (110 loc) · 4.74 KB
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import unittest
import json
import re
from os import path
from jsonquerylang import parse, JsonQueryParseOptions
class ParseTestCase(unittest.TestCase):
def test_suite(self):
"""Run the official parse test-suite"""
test_suite_file = (
path.dirname(path.realpath(__file__)) + "/test-suite/parse.test.json"
)
with open(test_suite_file, "r") as read_file:
suite = json.load(read_file)
for group in suite["groups"]:
for test in group["tests"]:
message = f"[{group['category']}] {group['description']} (input: {test['input']})"
if "output" in test:
with self.subTest(message=message):
self.assertEqual(parse(test["input"]), test["output"])
else:
with self.subTest(message=message):
self.assertRaisesRegex(
SyntaxError,
re.escape(test["throws"]),
lambda: parse(test["input"]),
)
def test_options1(self):
"""should parse a custom function"""
options: JsonQueryParseOptions = {"functions": {"customFn": lambda: lambda: 42}}
self.assertEqual(
parse('customFn(.age, "desc")', options),
["customFn", ["get", "age"], "desc"],
)
# built-in functions should still be available
self.assertEqual(parse("add(2, 3)", options), ["add", 2, 3])
def test_options2(self):
"""should parse a custom operator without vararg"""
options: JsonQueryParseOptions = {
"operators": [{"name": "aboutEq", "op": "~=", "at": "=="}]
}
self.assertEqual(
parse(".score ~= 8", options), ["aboutEq", ["get", "score"], 8]
)
# built-in operators should still be available
self.assertEqual(parse(".score == 8", options), ["eq", ["get", "score"], 8])
self.assertRaisesRegex(
SyntaxError,
re.escape("Unexpected part '~= 4'"),
lambda: parse("2 ~= 3 ~= 4", options),
)
def test_options3(self):
"""should parse a custom operator with vararg without left_associative"""
options: JsonQueryParseOptions = {
"operators": [{"name": "aboutEq", "op": "~=", "at": "==", "vararg": True}]
}
self.assertEqual(parse("2 and 3 and 4", options), ["and", 2, 3, 4])
self.assertEqual(parse("2 ~= 3", options), ["aboutEq", 2, 3])
self.assertEqual(parse("2 ~= 3 and 4", options), ["and", ["aboutEq", 2, 3], 4])
self.assertEqual(parse("2 and 3 ~= 4", options), ["and", 2, ["aboutEq", 3, 4]])
self.assertEqual(parse("2 == 3 ~= 4", options), ["aboutEq", ["eq", 2, 3], 4])
self.assertEqual(parse("2 ~= 3 == 4", options), ["eq", ["aboutEq", 2, 3], 4])
self.assertRaisesRegex(
SyntaxError,
re.escape("Unexpected part '~= 4'"),
lambda: parse("2 ~= 3 ~= 4", options),
)
self.assertRaisesRegex(
SyntaxError,
re.escape("Unexpected part '== 4'"),
lambda: parse("2 == 3 == 4", options),
)
def test_options4(self):
"""should parse a custom operator with vararg without left_associative"""
options: JsonQueryParseOptions = {
"operators": [
{
"name": "aboutEq",
"op": "~=",
"at": "==",
"vararg": True,
"left_associative": True,
}
]
}
self.assertEqual(parse("2 and 3 and 4", options), ["and", 2, 3, 4])
self.assertEqual(parse("2 ~= 3", options), ["aboutEq", 2, 3])
self.assertEqual(parse("2 ~= 3 ~= 4", options), ["aboutEq", 2, 3, 4])
self.assertRaisesRegex(
SyntaxError,
re.escape("Unexpected part '== 4'"),
lambda: parse("2 == 3 == 4", options),
)
def test_options5(self):
"""should throw an error in case of an invalid custom operator"""
options: JsonQueryParseOptions = {"operators": [dict()]}
self.assertRaisesRegex(
RuntimeError,
re.escape("Invalid custom operator"),
lambda: parse(".score > 8", options),
)
def test_options6(self):
"""should throw an error in case of an invalid custom operator (2)"""
options: JsonQueryParseOptions = {"operators": dict()}
self.assertRaisesRegex(
RuntimeError,
re.escape("Invalid custom operators"),
lambda: parse(".score > 8", options),
)
if __name__ == "__main__":
unittest.main()