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testjd.py
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testjd.py
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"""jdata.py test unit
To run the test, please run
python3 -m unittest discover -v test
or
import testjd
testjd.run()
in the root folder.
Copyright (c) 2019-2024 Qianqian Fang <q.fang at neu.edu>
"""
import unittest
from jdata import *
import numpy as np
import re
import warnings
from collections import OrderedDict
def debug_print(data, opt={}):
opt.setdefault("string", True)
return show(data, opt, separators=(",", ":"))
def test_jdata(testname, fhandle, input, expected, *varargs):
res = fhandle(input, *varargs)
if not (str(res).strip() == expected):
warnings.warn(
f'Test {testname}: failed: expected "{expected}", obtained "{res}"'
)
else:
print(f'Testing {testname}: ok\n\toutput:"{str(res).strip()}"')
class TestModule(unittest.TestCase):
def test_json(self):
print("\n")
print("".join(["=" for _ in range(79)]))
print("Test JSON functions")
print("".join(["=" for _ in range(79)]))
test_jdata("single integer", debug_print, 5, "5")
test_jdata("single float", debug_print, 3.14, "3.14")
test_jdata("nan", debug_print, float("nan"), '"_NaN_"')
test_jdata("inf", debug_print, float("inf"), '"_Inf_"')
test_jdata("-inf", debug_print, float("-inf"), '"-_Inf_"')
test_jdata("large integer", debug_print, 2**64, "18446744073709551616")
test_jdata(
"large negative integer", debug_print, -(2**63), "-9223372036854775808"
)
test_jdata("boolean as 01", debug_print, [True, False], "[true,false]")
test_jdata("empty array", debug_print, [], "[]")
test_jdata("empty cell", debug_print, [], "[]")
test_jdata("empty struct", debug_print, {}, "{}")
test_jdata("empty struct with fields", debug_print, [], "[]")
test_jdata("empty string", debug_print, "", '""')
test_jdata(
"string escape",
debug_print,
'jdata\n\b\ashall\tprevail\t""\\',
'"jdata\\n\\b\\u0007shall\\tprevail\\t\\"\\"\\\\"',
)
test_jdata(
"string type",
debug_print,
"jdata\n\b\ashall\tprevail",
'"jdata\\n\\b\\u0007shall\\tprevail"',
)
test_jdata(
"string array",
debug_print,
["jdata", "shall", "prevail"],
'["jdata","shall","prevail"]',
)
test_jdata("empty name", debug_print, loadts('{"":""}'), '{"":""}')
test_jdata(
"empty name with map",
debug_print,
loadts('{"":""}', {"usemap": 1}),
'{"":""}',
)
test_jdata("row vector", debug_print, [1, 2, 3], "[1,2,3]")
test_jdata("column vector", debug_print, [[1], [2], [3]], "[[1],[2],[3]]")
test_jdata("mixed array", debug_print, ["a", 1, 0.9], '["a",1,0.9]')
test_jdata(
"mixed array from string",
debug_print,
loadts('["a",{"c":1}, [2,3]]'),
'["a",{"c":1},[2,3]]',
)
test_jdata("char array", debug_print, ["AC", "EG"], '["AC","EG"]')
test_jdata("maps", debug_print, {"a": 1, "b": "test"}, '{"a":1,"b":"test"}')
test_jdata("2d array", debug_print, [[1, 2, 3], [4, 5, 6]], "[[1,2,3],[4,5,6]]")
test_jdata(
"non-uniform 2d array",
debug_print,
[[1, 2], [3, 4, 5], [6, 7]],
"[[1,2],[3,4,5],[6,7]]",
)
test_jdata(
"non-uniform array with length multiple of first element",
debug_print,
[[1, 2], [3, 4, 5, 6], [7, 8]],
"[[1,2],[3,4,5,6],[7,8]]",
)
a = np.zeros((20, 5), np.uint8)
np.fill_diagonal(a, 1)
a[19, 0] = 1
test_jdata(
"zlib/zip compression (level 6)",
debug_print,
a,
'{"_ArrayType_":"uint8","_ArraySize_":[20,5],"_ArrayZipType_":"zlib","_ArrayZipSize_":[1,100],"_ArrayZipData_":"eJxjZAABRhwkxQBsDAACIQAH"}',
{"compact": 1, "compression": "zlib", "compressarraysize": 0},
)
test_jdata(
"gzip compression (level 6)",
debug_print,
a,
'{"_ArrayType_":"uint8","_ArraySize_":[20,5],"_ArrayZipType_":"gzip","_ArrayZipSize_":[1,100],"_ArrayZipData_":"H4sIAAAAAAAAAw=="}',
{"compact": 1, "compression": "gzip", "compressarraysize": 0},
)
test_jdata(
"lzma compression (level 5)",
debug_print,
a,
'{"_ArrayType_":"uint8","_ArraySize_":[20,5],"_ArrayZipType_":"lzma","_ArrayZipSize_":[1,100],"_ArrayZipData_":"XQAAgAD//////////wAAgD1IirvlZSEY7DH///taoAA="}',
{"compact": 1, "compression": "lzma", "compressarraysize": 0},
)
def test_jsonpath(self):
print("\n")
print("".join(["=" for _ in range(79)]))
print("Test JSONPath")
print("".join(["=" for _ in range(79)]))
testdata = {
"book": [
{"title": "Minch", "author": "Yoda"},
{"title": "Qui-Gon", "author": "Jinn"},
{"title": "Ben", "author": "Kenobi"},
],
"game": {"title": "Mario", "new": {"title": "Minecraft"}},
}
test_jdata(
"jsonpath of .key",
debug_print,
jsonpath(testdata, "$.game.title"),
'"Mario"',
)
test_jdata(
"jsonpath of ..key",
debug_print,
jsonpath(testdata, "$.book..title"),
'["Minch","Qui-Gon","Ben"]',
)
test_jdata(
"jsonpath of ..key cross objects",
debug_print,
jsonpath(testdata, "$..title"),
'["Minch","Qui-Gon","Ben","Mario","Minecraft"]',
)
test_jdata(
"jsonpath of [index]",
debug_print,
jsonpath(testdata, "$..title[1]"),
'["Qui-Gon"]',
)
test_jdata(
"jsonpath of [-index]",
debug_print,
jsonpath(testdata, "$..title[-1]"),
'["Minecraft"]',
)
test_jdata(
"jsonpath of [start:end]",
debug_print,
jsonpath(testdata, "$..title[0:2]"),
'["Minch","Qui-Gon","Ben"]',
)
test_jdata(
"jsonpath of [:end]",
debug_print,
jsonpath(testdata, "$..title[:2]"),
'["Minch","Qui-Gon","Ben"]',
)
test_jdata(
"jsonpath of [start:]",
debug_print,
jsonpath(testdata, "$..title[1:]"),
'["Qui-Gon","Ben","Mario","Minecraft"]',
)
test_jdata(
"jsonpath of [-start:-end]",
debug_print,
jsonpath(testdata, "$..title[-2:-1]"),
'["Mario","Minecraft"]',
)
test_jdata(
"jsonpath of [-start:]",
debug_print,
jsonpath(testdata, "$..title[:-3]"),
'["Minch","Qui-Gon","Ben"]',
)
test_jdata(
"jsonpath of [:-end]",
debug_print,
jsonpath(testdata, "$..title[-1:]"),
'["Minecraft"]',
)
test_jdata(
"jsonpath of object with [index]",
debug_print,
jsonpath(testdata, "$.book[1]"),
'[{"title":"Qui-Gon","author":"Jinn"}]',
)
test_jdata(
"jsonpath of element after [index]",
debug_print,
jsonpath(testdata, "$.book[1:2].author"),
'["Jinn","Kenobi"]',
)
test_jdata(
"jsonpath of [*] and deep scan",
debug_print,
jsonpath(testdata, "$.book[*]..author"),
'["Yoda","Jinn","Kenobi"]',
)
test_jdata(
"jsonpath of [*] after deep scan",
debug_print,
jsonpath(testdata, "$.book[*]..author[*]"),
'["Yoda","Jinn","Kenobi"]',
)
test_jdata(
"jsonpath use [] instead of .",
debug_print,
jsonpath(testdata, "$[book][2][author]"),
'"Kenobi"',
)
test_jdata(
"jsonpath use [] with [start:end]",
debug_print,
jsonpath(testdata, "$[book][1:2][author]"),
'["Jinn","Kenobi"]',
)
test_jdata(
"jsonpath use . after [start:end]",
debug_print,
jsonpath(testdata, "$[book][0:1].author"),
'["Yoda","Jinn"]',
)
test_jdata(
"jsonpath use [" "*" '] and ["*"]',
debug_print,
jsonpath(testdata, '$["book"][:-2][' "author" "]"),
'["Yoda","Jinn"]',
)
test_jdata(
"jsonpath use combinations",
debug_print,
jsonpath(testdata, '$..["book"][:-2].author[*][0]'),
'["Yoda"]',
)
testdata = {
"book": [
{"_title": "Minch", " author.last.name ": "Yoda"},
{"_title": "Qui-Gon", " author.last.name ": "Jinn"},
{"_title": "Ben", " author.last.name ": "Kenobi"},
],
"game.arcade": {"title": "Mario"},
}
test_jdata(
"jsonpath encoded field name in []",
debug_print,
jsonpath(testdata, '$..["book"][_title][*][0]'),
'["Minch"]',
)
test_jdata(
"jsonpath encoded field name after .",
debug_print,
jsonpath(testdata, '$..["book"]._title[*][0]'),
'["Minch"]',
)
test_jdata(
"jsonpath encoded field name after ..",
debug_print,
jsonpath(testdata, "$.._title"),
'["Minch","Qui-Gon","Ben"]',
)
test_jdata(
"jsonpath multiple encoded field name between quotes",
debug_print,
jsonpath(testdata, '$..["book"][' " author.last.name " "][*][1]"),
'["Jinn"]',
)
test_jdata(
"jsonpath multiple encoded field name between []",
debug_print,
jsonpath(testdata, '$..["book"][ author.last.name ][*][1]'),
'["Jinn"]',
)
test_jdata(
"jsonpath escape . using \.",
debug_print,
jsonpath(testdata, "$.game\.arcade"),
'{"title":"Mario"}',
)
test_jdata(
"jsonpath escape . using []",
debug_print,
jsonpath(testdata, "$.[game.arcade]"),
'{"title":"Mario"}',
)
test_jdata(
"jsonpath scan struct array",
debug_print,
jsonpath(testdata, "$.book[*]..author[*]"),
"null",
)
if __name__ == "__main__":
unittest.main()