232 lines
7.3 KiB
Python
232 lines
7.3 KiB
Python
import errno
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import os
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import sys
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import textwrap
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import unittest
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import subprocess
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from test import support
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from test.support import os_helper
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from test.support.script_helper import assert_python_ok
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class TestTool(unittest.TestCase):
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data = """
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[["blorpie"],[ "whoops" ] , [
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],\t"d-shtaeou",\r"d-nthiouh",
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"i-vhbjkhnth", {"nifty":87}, {"morefield" :\tfalse,"field"
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:"yes"} ]
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"""
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expect_without_sort_keys = textwrap.dedent("""\
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[
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[
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"blorpie"
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],
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[
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"whoops"
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],
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[],
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"d-shtaeou",
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"d-nthiouh",
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"i-vhbjkhnth",
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{
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"nifty": 87
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},
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{
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"field": "yes",
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"morefield": false
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}
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]
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""")
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expect = textwrap.dedent("""\
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[
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[
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"blorpie"
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],
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[
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"whoops"
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],
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[],
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"d-shtaeou",
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"d-nthiouh",
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"i-vhbjkhnth",
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{
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"nifty": 87
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},
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{
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"morefield": false,
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"field": "yes"
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}
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]
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""")
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jsonlines_raw = textwrap.dedent("""\
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{"ingredients":["frog", "water", "chocolate", "glucose"]}
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{"ingredients":["chocolate","steel bolts"]}
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""")
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jsonlines_expect = textwrap.dedent("""\
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{
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"ingredients": [
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"frog",
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"water",
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"chocolate",
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"glucose"
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]
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}
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{
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"ingredients": [
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"chocolate",
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"steel bolts"
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]
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}
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""")
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def test_stdin_stdout(self):
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args = sys.executable, '-m', 'json.tool'
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process = subprocess.run(args, input=self.data, capture_output=True, text=True, check=True)
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self.assertEqual(process.stdout, self.expect)
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self.assertEqual(process.stderr, '')
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def _create_infile(self, data=None):
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infile = os_helper.TESTFN
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with open(infile, "w", encoding="utf-8") as fp:
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self.addCleanup(os.remove, infile)
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fp.write(data or self.data)
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return infile
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def test_infile_stdout(self):
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infile = self._create_infile()
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rc, out, err = assert_python_ok('-m', 'json.tool', infile)
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self.assertEqual(rc, 0)
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self.assertEqual(out.splitlines(), self.expect.encode().splitlines())
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self.assertEqual(err, b'')
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def test_non_ascii_infile(self):
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data = '{"msg": "\u3053\u3093\u306b\u3061\u306f"}'
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expect = textwrap.dedent('''\
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{
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"msg": "\\u3053\\u3093\\u306b\\u3061\\u306f"
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}
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''').encode()
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infile = self._create_infile(data)
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rc, out, err = assert_python_ok('-m', 'json.tool', infile)
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self.assertEqual(rc, 0)
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self.assertEqual(out.splitlines(), expect.splitlines())
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self.assertEqual(err, b'')
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def test_infile_outfile(self):
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infile = self._create_infile()
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outfile = os_helper.TESTFN + '.out'
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rc, out, err = assert_python_ok('-m', 'json.tool', infile, outfile)
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self.addCleanup(os.remove, outfile)
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with open(outfile, "r", encoding="utf-8") as fp:
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self.assertEqual(fp.read(), self.expect)
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self.assertEqual(rc, 0)
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self.assertEqual(out, b'')
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self.assertEqual(err, b'')
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def test_writing_in_place(self):
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infile = self._create_infile()
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rc, out, err = assert_python_ok('-m', 'json.tool', infile, infile)
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with open(infile, "r", encoding="utf-8") as fp:
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self.assertEqual(fp.read(), self.expect)
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self.assertEqual(rc, 0)
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self.assertEqual(out, b'')
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self.assertEqual(err, b'')
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def test_jsonlines(self):
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args = sys.executable, '-m', 'json.tool', '--json-lines'
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process = subprocess.run(args, input=self.jsonlines_raw, capture_output=True, text=True, check=True)
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self.assertEqual(process.stdout, self.jsonlines_expect)
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self.assertEqual(process.stderr, '')
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def test_help_flag(self):
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rc, out, err = assert_python_ok('-m', 'json.tool', '-h')
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self.assertEqual(rc, 0)
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self.assertTrue(out.startswith(b'usage: '))
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self.assertEqual(err, b'')
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def test_sort_keys_flag(self):
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infile = self._create_infile()
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rc, out, err = assert_python_ok('-m', 'json.tool', '--sort-keys', infile)
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self.assertEqual(rc, 0)
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self.assertEqual(out.splitlines(),
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self.expect_without_sort_keys.encode().splitlines())
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self.assertEqual(err, b'')
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def test_indent(self):
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input_ = '[1, 2]'
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expect = textwrap.dedent('''\
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[
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1,
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2
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]
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''')
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args = sys.executable, '-m', 'json.tool', '--indent', '2'
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process = subprocess.run(args, input=input_, capture_output=True, text=True, check=True)
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self.assertEqual(process.stdout, expect)
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self.assertEqual(process.stderr, '')
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def test_no_indent(self):
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input_ = '[1,\n2]'
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expect = '[1, 2]\n'
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args = sys.executable, '-m', 'json.tool', '--no-indent'
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process = subprocess.run(args, input=input_, capture_output=True, text=True, check=True)
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self.assertEqual(process.stdout, expect)
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self.assertEqual(process.stderr, '')
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def test_tab(self):
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input_ = '[1, 2]'
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expect = '[\n\t1,\n\t2\n]\n'
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args = sys.executable, '-m', 'json.tool', '--tab'
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process = subprocess.run(args, input=input_, capture_output=True, text=True, check=True)
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self.assertEqual(process.stdout, expect)
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self.assertEqual(process.stderr, '')
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def test_compact(self):
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input_ = '[ 1 ,\n 2]'
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expect = '[1,2]\n'
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args = sys.executable, '-m', 'json.tool', '--compact'
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process = subprocess.run(args, input=input_, capture_output=True, text=True, check=True)
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self.assertEqual(process.stdout, expect)
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self.assertEqual(process.stderr, '')
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def test_no_ensure_ascii_flag(self):
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infile = self._create_infile('{"key":"💩"}')
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outfile = os_helper.TESTFN + '.out'
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self.addCleanup(os.remove, outfile)
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assert_python_ok('-m', 'json.tool', '--no-ensure-ascii', infile, outfile)
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with open(outfile, "rb") as f:
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lines = f.read().splitlines()
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# asserting utf-8 encoded output file
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expected = [b'{', b' "key": "\xf0\x9f\x92\xa9"', b"}"]
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self.assertEqual(lines, expected)
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def test_ensure_ascii_default(self):
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infile = self._create_infile('{"key":"💩"}')
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outfile = os_helper.TESTFN + '.out'
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self.addCleanup(os.remove, outfile)
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assert_python_ok('-m', 'json.tool', infile, outfile)
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with open(outfile, "rb") as f:
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lines = f.read().splitlines()
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# asserting an ascii encoded output file
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expected = [b'{', rb' "key": "\ud83d\udca9"', b"}"]
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self.assertEqual(lines, expected)
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@unittest.skipIf(sys.platform =="win32", "The test is failed with ValueError on Windows")
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def test_broken_pipe_error(self):
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cmd = [sys.executable, '-m', 'json.tool']
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proc = subprocess.Popen(cmd,
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stdout=subprocess.PIPE,
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stdin=subprocess.PIPE)
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# bpo-39828: Closing before json.tool attempts to write into stdout.
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proc.stdout.close()
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proc.communicate(b'"{}"')
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self.assertEqual(proc.returncode, errno.EPIPE)
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