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# -*- coding: utf-8 -*-
"""
PyUnit unit tests
"""
from __future__ import division, absolute_import, unicode_literals
import unittest
import json
import json_diff
from io import StringIO
import codecs
SIMPLE_OLD = """
{
"a": 1,
"b": true,
"c": "Janošek"
}
"""
SIMPLE_NEW = """
{
"b": false,
"c": "Maruška",
"d": "přidáno"
}
"""
SIMPLE_DIFF = """
{
"_append": {
"d": "přidáno"
},
"_remove": {
"a": 1
},
"_update": {
"c": "Maruška",
"b": false
}
}
"""
SIMPLE_DIFF_HTML="""
<!DOCTYPE html>
<html lang='en'>
<meta charset="utf-8" />
<title>json_diff result</title>
<style>
td {
text-align: center;
}
.append_class {
color: green;
}
.remove_class {
color: red;
}
.update_class {
color: navy;
}
</style>
<body>
<h1>json_diff result</h1>
<table>
<tr>
<td class='remove_class'>a = 1</td>
</tr><tr>
<td class='update_class'>c = Maruška</td>
</tr><tr>
<td class='update_class'>b = False</td>
</tr><tr>
<td class='append_class'>d = přidáno</td>
</tr>
</table>
</body>
</html>
"""
SIMPLE_ARRAY_OLD = """
{
"a": [ 1 ]
}
"""
SIMPLE_ARRAY_NEW = """
{
"a": [ 1, 2 ]
}
"""
SIMPLE_ARRAY_DIFF = """
{
"_update": {
"a": {
"_append": {
"1": 2
}
}
}
}
"""
NESTED_OLD = """
{
"a": 1,
"b": 2,
"son": {
"name": "Janošek"
}
}
"""
NESTED_NEW = """
{
"a": 2,
"c": 3,
"daughter": {
"name": "Maruška"
}
}
"""
NESTED_DIFF = """
{
"_append": {
"c": 3,
"daughter": {
"name": "Maruška"
}
},
"_remove": {
"b": 2,
"son": {
"name": "Janošek"
}
},
"_update": {
"a": 2
}
}
"""
NESTED_DIFF_EXCL = """
{
"_append": {
"c": 3
},
"_remove": {
"b": 2
},
"_update": {
"a": 2
}
}
"""
ARRAY_OLD = """
{
"a": 1,
"b": 2,
"children": [
"Pepíček", "Anička", "Maruška"
]
}
"""
ARRAY_NEW = """
{
"a": 1,
"children": [
"Pepíček", "Tonička", "Maruška"
],
"c": 3
}
"""
ARRAY_DIFF = """
{
"_remove": {
"b": 2
},
"_append": {
"c": 3
},
"_update": {
"children": [
"Pepíček",
"Tonička",
"Maruška"
]
}
}
"""
class TestHappyPath(unittest.TestCase):
def _run_test(self, oldf, newf, difff, msg="", inc=(), exc=()):
diffator = json_diff.Comparator(oldf, newf, inc, exc)
diff = diffator.compare_dicts()
expected = json.load(difff)
self.assertEqual(json.dumps(diff, sort_keys=True), json.dumps(expected, sort_keys=True),
msg + "\n\nexpected = %s\n\nobserved = %s" %
(json.dumps(expected, sort_keys=True, indent=4, ensure_ascii=False),
json.dumps(diff, sort_keys=True, indent=4, ensure_ascii=False)))
def _run_test_formatted(self, oldf, newf, difff, msg=""):
diffator = json_diff.Comparator(oldf, newf)
diff = ("\n".join([line.strip() \
for line in unicode(json_diff.HTMLFormatter(diffator.compare_dicts())).split("\n")])).strip()
expected = ("\n".join([line.strip() for line in difff if line])).strip()
self.assertEqual(diff, expected, msg +
"\n\nexpected = %s\n\nobserved = %s" %
(expected, diff))
def test_empty(self):
diffator = json_diff.Comparator({}, {})
diff = diffator.compare_dicts()
self.assertEqual(json.dumps(diff).strip(), "{}",
"Empty objects diff.\n\nexpected = %s\n\nobserved = %s" %
({}, diff))
def test_simple(self):
self._run_test(StringIO(SIMPLE_OLD), StringIO(SIMPLE_NEW), StringIO(SIMPLE_DIFF),
"All-scalar objects diff.")
def test_simple_formatted(self):
self._run_test_formatted(StringIO(SIMPLE_OLD), StringIO(SIMPLE_NEW),
StringIO(SIMPLE_DIFF_HTML),
"All-scalar objects diff (formatted).")
def test_simple_array(self):
self._run_test(StringIO(SIMPLE_ARRAY_OLD), StringIO(SIMPLE_ARRAY_NEW),
StringIO(SIMPLE_ARRAY_DIFF), "Simple array objects diff.")
def test_realFile(self):
self._run_test(open("test/old.json"), open("test/new.json"),
open("test/diff.json"), "Simply nested objects (from file) diff.")
def test_nested(self):
self._run_test(StringIO(NESTED_OLD), StringIO(NESTED_NEW),
StringIO(NESTED_DIFF), "Nested objects diff.")
# def test_nested_excluded(self):
# self._run_test(StringIO(NESTED_OLD), StringIO(NESTED_NEW),
# StringIO(NESTED_DIFF_EXCL), "Nested objects diff.", exc=("name"))
# def test_piglit_results(self):
# self._run_test(open("test/old-testing-data.json"), open("test/new-testing-data.json"),
# open("test/diff-testing-data.json"), "Large piglit results diff.")
def test_nested_formatted(self):
self._run_test_formatted(open("test/old.json"), open("test/new.json"),
codecs.open("test/nested_html_output.html", "r", "utf-8"),
"Simply nested objects (from file) diff formatted as HTML.")
NO_JSON_OLD = """
THIS IS NOT A JSON STRING
"""
NO_JSON_NEW = """
AND THIS NEITHER
"""
class TestSadPath(unittest.TestCase):
def test_no_JSON(self):
self.assertRaises(json_diff.BadJSONError,
json_diff.Comparator, StringIO(NO_JSON_OLD), StringIO(NO_JSON_NEW))
if __name__ == "__main__":
unittest.main()
|
