File: test_pytest_plugin.py

package info (click to toggle)
python-aiohttp 3.5.1-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 5,612 kB
  • sloc: python: 36,917; ansic: 15,734; makefile: 365; sh: 83
file content (278 lines) | stat: -rw-r--r-- 6,615 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
import os
import platform
import sys

import pytest


pytest_plugins = 'pytester'

CONFTEST = '''
pytest_plugins = 'aiohttp.pytest_plugin'
'''


IS_PYPY = platform.python_implementation() == 'PyPy'


def test_aiohttp_plugin(testdir) -> None:
    testdir.makepyfile("""\
import pytest
from unittest import mock

from aiohttp import web


async def hello(request):
    return web.Response(body=b'Hello, world')


def create_app(loop=None):
    app = web.Application()
    app.router.add_route('GET', '/', hello)
    return app


async def test_hello(aiohttp_client) -> None:
    client = await aiohttp_client(create_app)
    resp = await client.get('/')
    assert resp.status == 200
    text = await resp.text()
    assert 'Hello, world' in text


async def test_hello_from_app(aiohttp_client, loop) -> None:
    app = web.Application()
    app.router.add_get('/', hello)
    client = await aiohttp_client(app)
    resp = await client.get('/')
    assert resp.status == 200
    text = await resp.text()
    assert 'Hello, world' in text


async def test_hello_with_loop(aiohttp_client, loop) -> None:
    client = await aiohttp_client(create_app)
    resp = await client.get('/')
    assert resp.status == 200
    text = await resp.text()
    assert 'Hello, world' in text


async def test_set_args(aiohttp_client, loop) -> None:
    with pytest.raises(AssertionError):
        app = web.Application()
        await aiohttp_client(app, 1, 2, 3)


async def test_set_keyword_args(aiohttp_client, loop) -> None:
    app = web.Application()
    with pytest.raises(TypeError):
        await aiohttp_client(app, param=1)


async def test_noop() -> None:
    pass


async def previous(request):
    if request.method == 'POST':
        with pytest.warns(DeprecationWarning):
            request.app['value'] = (await request.post())['value']
        return web.Response(body=b'thanks for the data')
    else:
        v = request.app.get('value', 'unknown')
        return web.Response(body='value: {}'.format(v).encode())


def create_stateful_app(loop):
    app = web.Application()
    app.router.add_route('*', '/', previous)
    return app


@pytest.fixture
def cli(loop, aiohttp_client):
    return loop.run_until_complete(aiohttp_client(create_stateful_app))


async def test_set_value(cli) -> None:
    resp = await cli.post('/', data={'value': 'foo'})
    assert resp.status == 200
    text = await resp.text()
    assert text == 'thanks for the data'
    assert cli.server.app['value'] == 'foo'


async def test_get_value(cli) -> None:
    resp = await cli.get('/')
    assert resp.status == 200
    text = await resp.text()
    assert text == 'value: unknown'
    with pytest.warns(DeprecationWarning):
        cli.server.app['value'] = 'bar'
    resp = await cli.get('/')
    assert resp.status == 200
    text = await resp.text()
    assert text == 'value: bar'


def test_noncoro() -> None:
    assert True


async def test_failed_to_create_client(aiohttp_client) -> None:

    def make_app(loop):
        raise RuntimeError()

    with pytest.raises(RuntimeError):
        await aiohttp_client(make_app)


async def test_custom_port_aiohttp_client(aiohttp_client, aiohttp_unused_port):
    port = aiohttp_unused_port()
    client = await aiohttp_client(create_app, server_kwargs={'port': port})
    assert client.port == port
    resp = await client.get('/')
    assert resp.status == 200
    text = await resp.text()
    assert 'Hello, world' in text


async def test_custom_port_test_server(aiohttp_server, aiohttp_unused_port):
    app = create_app()
    port = aiohttp_unused_port()
    server = await aiohttp_server(app, port=port)
    assert server.port == port

""")
    testdir.makeconftest(CONFTEST)
    result = testdir.runpytest('-p', 'no:sugar', '--aiohttp-loop=pyloop')
    result.assert_outcomes(passed=12)


def test_warning_checks(testdir) -> None:
    testdir.makepyfile("""\

async def foobar():
    return 123

async def test_good() -> None:
    v = await foobar()
    assert v == 123

async def test_bad() -> None:
    foobar()
""")
    testdir.makeconftest(CONFTEST)
    result = testdir.runpytest('-p', 'no:sugar', '-s', '-W',
                               'default', '--aiohttp-loop=pyloop')
    expected_outcomes = (
        {'failed': 0, 'passed': 2}
        if IS_PYPY and bool(os.environ.get('PYTHONASYNCIODEBUG'))
        else {'failed': 1, 'passed': 1}
    )
    """Under PyPy "coroutine 'foobar' was never awaited" does not happen."""
    result.assert_outcomes(**expected_outcomes)


def test_aiohttp_plugin_async_fixture(testdir, capsys) -> None:
    testdir.makepyfile("""\
import pytest

from aiohttp import web


async def hello(request):
    return web.Response(body=b'Hello, world')


def create_app(loop):
    app = web.Application()
    app.router.add_route('GET', '/', hello)
    return app


@pytest.fixture
async def cli(aiohttp_client):
    client = await aiohttp_client(create_app)
    return client


@pytest.fixture
async def foo():
    return 42


@pytest.fixture
async def bar(request):
    # request should be accessible in async fixtures if needed
    return request.function


async def test_hello(cli) -> None:
    resp = await cli.get('/')
    assert resp.status == 200


def test_foo(loop, foo) -> None:
    assert foo == 42


def test_foo_without_loop(foo) -> None:
    # will raise an error because there is no loop
    pass


def test_bar(loop, bar) -> None:
    assert bar is test_bar
""")
    testdir.makeconftest(CONFTEST)
    result = testdir.runpytest('-p', 'no:sugar', '--aiohttp-loop=pyloop')
    result.assert_outcomes(passed=3, error=1)
    result.stdout.fnmatch_lines(
        "*Asynchronous fixtures must depend on the 'loop' fixture "
        "or be used in tests depending from it."
    )


@pytest.mark.skipif(sys.version_info < (3, 6), reason='old python')
def test_aiohttp_plugin_async_gen_fixture(testdir) -> None:
    testdir.makepyfile("""\
import pytest
from unittest import mock

from aiohttp import web


canary = mock.Mock()


async def hello(request):
    return web.Response(body=b'Hello, world')


def create_app(loop):
    app = web.Application()
    app.router.add_route('GET', '/', hello)
    return app


@pytest.fixture
async def cli(aiohttp_client):
    yield await aiohttp_client(create_app)
    canary()


async def test_hello(cli) -> None:
    resp = await cli.get('/')
    assert resp.status == 200


def test_finalized() -> None:
    assert canary.called is True
""")
    testdir.makeconftest(CONFTEST)
    result = testdir.runpytest('-p', 'no:sugar', '--aiohttp-loop=pyloop')
    result.assert_outcomes(passed=2)