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# Copyright (c) 2016, Matt Layman
import inspect
import tempfile
import unittest
try:
from unittest import mock
except ImportError:
import mock
from tap.parser import Parser
class TestParser(unittest.TestCase):
"""Tests for tap.parser.Parser"""
def test_finds_ok(self):
"""The parser extracts an ok line."""
parser = Parser()
line = parser.parse_line('ok - This is a passing test line.')
self.assertEqual('test', line.category)
self.assertTrue(line.ok)
self.assertTrue(line.number is None)
def test_finds_number(self):
"""The parser extracts a test number."""
parser = Parser()
line = parser.parse_line('ok 42 is the magic number.')
self.assertEqual('test', line.category)
self.assertEqual(42, line.number)
def test_finds_description(self):
parser = Parser()
line = parser.parse_line('ok 42 A passing test.')
self.assertEqual('test', line.category)
self.assertEqual('A passing test.', line.description)
def test_after_hash_is_not_description(self):
parser = Parser()
line = parser.parse_line('ok A description # Not part of description.')
self.assertEqual('test', line.category)
self.assertEqual('A description', line.description)
def test_finds_todo(self):
parser = Parser()
line = parser.parse_line('ok A description # TODO Not done')
self.assertEqual('test', line.category)
self.assertTrue(line.todo)
def test_finds_skip(self):
parser = Parser()
line = parser.parse_line('ok A description # SKIP for now')
self.assertEqual('test', line.category)
self.assertTrue(line.skip)
def test_finds_not_ok(self):
"""The parser extracts a not ok line."""
parser = Parser()
line = parser.parse_line('not ok - This is a failing test line.')
self.assertEqual('test', line.category)
self.assertFalse(line.ok)
self.assertTrue(line.number is None)
def test_unrecognizable_line(self):
"""The parser returns an unrecognizable line."""
parser = Parser()
line = parser.parse_line('This is not a valid TAP line. # srsly')
self.assertEqual('unknown', line.category)
def test_diagnostic_line(self):
"""The parser extracts a diagnostic line."""
text = '# An example diagnostic line'
parser = Parser()
line = parser.parse_line(text)
self.assertEqual('diagnostic', line.category)
self.assertEqual(text, line.text)
def test_bail_out_line(self):
"""The parser extracts a bail out line."""
parser = Parser()
line = parser.parse_line('Bail out! This is the reason to bail.')
self.assertEqual('bail', line.category)
self.assertEqual('This is the reason to bail.', line.reason)
def test_finds_version(self):
"""The parser extracts a version line."""
parser = Parser()
line = parser.parse_line('TAP version 13')
self.assertEqual('version', line.category)
self.assertEqual(13, line.version)
def test_errors_on_old_version(self):
"""The TAP spec dictates that anything less than 13 is an error."""
parser = Parser()
self.assertRaises(ValueError, parser.parse_line, 'TAP version 12')
def test_finds_plan(self):
"""The parser extracts a plan line."""
parser = Parser()
line = parser.parse_line('1..42')
self.assertEqual('plan', line.category)
self.assertEqual(42, line.expected_tests)
def test_finds_plan_with_skip(self):
"""The parser extracts a plan line containing a SKIP."""
parser = Parser()
line = parser.parse_line('1..42 # Skipping this test file.')
self.assertEqual('plan', line.category)
self.assertTrue(line.skip)
def test_ignores_plan_with_any_non_skip_directive(self):
"""The parser only recognizes SKIP directives in plans."""
parser = Parser()
line = parser.parse_line('1..42 # TODO will not work.')
self.assertEqual('unknown', line.category)
def test_parses_file(self):
sample = inspect.cleandoc(
"""1..2
ok 1 A passing test
not ok 2 A failing test""")
temp = tempfile.NamedTemporaryFile(delete=False)
temp.write(sample.encode('utf-8'))
temp.close()
parser = Parser()
lines = []
for line in parser.parse_file(temp.name):
lines.append(line)
self.assertEqual(3, len(lines))
self.assertEqual('plan', lines[0].category)
self.assertEqual('test', lines[1].category)
self.assertTrue(lines[1].ok)
self.assertEqual('test', lines[2].category)
self.assertFalse(lines[2].ok)
@mock.patch('tap.parser.sys')
def test_parses_stdin(self, mock_sys):
def stdin_data():
yield '1..2\n'
yield 'ok 1 A passing test\n'
yield 'not ok 2 A failing test\n'
mock_stdin = mock.PropertyMock()
mock_stdin.side_effect = stdin_data
type(mock_sys).stdin = mock_stdin
parser = Parser()
lines = []
for line in parser.parse_stdin():
lines.append(line)
self.assertEqual(3, len(lines))
self.assertEqual('plan', lines[0].category)
self.assertEqual('test', lines[1].category)
self.assertTrue(lines[1].ok)
self.assertEqual('test', lines[2].category)
self.assertFalse(lines[2].ok)