mirror of https://github.com/python/cpython
78 lines
2.2 KiB
Python
78 lines
2.2 KiB
Python
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.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 = 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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def test_stdin_stdout(self):
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with subprocess.Popen(
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(sys.executable, '-m', 'json.tool'),
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stdin=subprocess.PIPE, stdout=subprocess.PIPE) as proc:
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out, err = proc.communicate(self.data.encode())
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self.assertEqual(out.splitlines(), self.expect.encode().splitlines())
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self.assertEqual(err, None)
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def _create_infile(self):
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infile = support.TESTFN
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with open(infile, "w") as fp:
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self.addCleanup(os.remove, infile)
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fp.write(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_infile_outfile(self):
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infile = self._create_infile()
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outfile = support.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") 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_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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