$ pip install -U pytest

$ py.test --help

$ mkdir api_pytest
$ pipenv --python 3.7.7

$ pipenv install pytest requests

$ mkdir data
$ mkdir tests
$ mkdir config
$ mkdir utils

$ tree
.
├── Pipfile
├── Pipfile.lock
├── config
├── data
├── tests
└── utils
?
4 directories, 2 files

import requests

class TestInTheaters(object):
    def test_in_theaters(self):
        host = "http://api.douban.com"
        path = "/v2/movie/in_theaters"
        params = {"apikey": "0df993c66c0c636e29ecbb5344252a4a",
                  "start": 0,
                  "count": 10
                  }
        headers = {
            "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36"
        }
        r = requests.request("GET", url=host + path, headers=headers, params=params)
        response = r.json()
        assert response["count"] == params["count"]
        assert response["start"] == params["start"]
        assert response["title"] == "正在上映的電影-上海", "實(shí)際的標(biāo)題是：{}".format(response["title"])

$ py.test --collect-only
====================================================== test session starts =======================================================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1
rootdir: /Users/chunming.liu/learn/api_pytest
collected 1 item                                                                                                                 
<Module tests/test_in_theaters.py>
  <Class TestInTheaters>
      <Function test_in_theaters>
?
===================================================== no tests ran in 0.10s ======================================================

$ py.test tests/
====================================================== test session starts =======================================================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1
rootdir: /Users/chunming.liu/learn/api_pytest
collected 1 item
?
tests/test_in_theaters.py .                                                                                                [100%]
?
======================================================= 1 passed in 0.61s ========================================================
(api_pytest) MBC02X21W4G8WN:api_pytest chunming.liu$ py.test tests/
====================================================== test session starts =======================================================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1
rootdir: /Users/chunming.liu/learn/api_pytest
collected 1 item
?
tests/test_in_theaters.py F                                                                                                [100%]
?
============================================================ FAILURES ============================================================
________________________________________________ TestInTheaters.test_in_theaters _________________________________________________
?
self = <test_in_theaters.TestInTheaters object at 0x110eee9d0>
?
    def test_in_theaters(self):
        host = "http://api.douban.com"
        path = "/v2/movie/in_theaters"
        params = {"apikey": "0df993c66c0c636e29ecbb5344252a4a",
                  "start": 0,
                  "count": 10
                  }
        headers = {
            "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36"
        }
        r = requests.request("GET", url=host + path, headers=headers, params=params)
        response = r.json()
        assert response["count"] == params["count"]
        assert response["start"] == params["start"]
        assert response["total"] == len(response["subjects"])
?
>       assert response["title"] == "正在上映的電影-上海", "實(shí)際的標(biāo)題是：{}".format(response["title"])
E       AssertionError: 實(shí)際的標(biāo)題是：正在上映的電影-北京
E       assert '正在上映的電影-北京' == '正在上映的電影-上海'
E         - 正在上映的電影-上海
E         ?         ^^
E         + 正在上映的電影-北京
E         ?         ^^
?
tests/test_in_theaters.py:20: AssertionError
==================================================== short test summary info =====================================================
FAILED tests/test_in_theaters.py::TestInTheaters::test_in_theaters - AssertionError: 實(shí)際的標(biāo)題是正在上映的電影-北京
======================================================= 1 failed in 0.96s ========================================================

$ py.test               # run all tests below current dir
$ py.test test_module.py   # run tests in module
$ py.test somepath      # run all tests below somepath
$ py.test -k stringexpr # only run tests with names that match the
                      # the "string expression", e.g. "MyClass and not method"
                      # will select TestMyClass.test_something
                      # but not TestMyClass.test_method_simple
$ py.test test_module.py::test_func # only run tests that match the "node ID",
                                    # e.g "test_mod.py::test_func" will select
                                    # only test_func in test_mod.py

---
tests:
- case: 驗(yàn)證響應(yīng)中start和count與請(qǐng)求中的參數(shù)一致
  http:
    method: GET
    path: /v2/movie/in_theaters
    headers:
      User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
    params:
      apikey: 0df993c66c0c636e29ecbb5344252a4a
      start: 0
      count: 10
  expected:
    response:
      title: 正在上映的電影-上海
      count: 10
      start: 0

import requests
import yaml
?
?
def get_test_data(test_data_path):
    case = []  # 存儲(chǔ)測(cè)試用例名稱
    http = []  # 存儲(chǔ)請(qǐng)求對(duì)象
    expected = []  # 存儲(chǔ)預(yù)期結(jié)果
    with open(test_data_path) as f:
        dat = yaml.load(f.read(), Loader=yaml.SafeLoader)
        test = dat['tests']
        for td in test:
            case.append(td.get('case', ''))
            http.append(td.get('http', {}))
            expected.append(td.get('expected', {}))
    parameters = zip(case, http, expected)
    return case, parameters
?
?
cases, parameters = get_test_data("/Users/chunming.liu/learn/api_pytest/data/test_in_theaters.yaml")
list_params=list(parameters)
?
class TestInTheaters(object):
    def test_in_theaters(self):
        host = "http://api.douban.com"
        r = requests.request(list_params[0][1]["method"],
                             url=host + list_params[0][1]["path"],
                             headers=list_params[0][1]["headers"],
                             params=list_params[0][1]["params"])
        response = r.json()
        assert response["count"] == list_params[0][2]['response']["count"]
        assert response["start"] == list_params[0][2]['response']["start"]
        assert response["total"] == len(response["subjects"])
        assert response["title"] == list_params[0][2]['response']["title"], "實(shí)際的標(biāo)題是：{}".format(response["title"])

$ tree
.
├── Pipfile
├── Pipfile.lock
├── config
├── data
│   └── test_in_theaters.yaml
├── tests
│   └── test_in_theaters.py
└── utils
    └── commlib.py

# content of tests/test_time.py
import pytest
?
from datetime import datetime, timedelta
?
testdata = [
    (datetime(2001, 12, 12), datetime(2001, 12, 11), timedelta(1)),
    (datetime(2001, 12, 11), datetime(2001, 12, 12), timedelta(-1)),
]
?
?
@pytest.mark.parametrize("a,b,expected", testdata)
def test_timedistance_v0(a, b, expected):
    diff = a - b
    assert diff == expected

============================= test session starts ==============================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1 -- /Users/chunming.liu/.local/share/virtualenvs/api_pytest-wCozfXSU/bin/python
cachedir: .pytest_cache
rootdir: /Users/chunming.liu/learn/api_pytest/tests
collecting ... collected 2 items
?
test_time.py::test_timedistance_v0[a0-b0-expected0] PASSED    [ 50%]
test_time.py::test_timedistance_v0[a1-b1-expected1] PASSED    [100%]
?
============================== 2 passed in 0.02s ===============================

import pytest
import requests
?
from utils.commlib import get_test_data
?
cases, list_params = get_test_data("/Users/chunming.liu/learn/api_pytest/data/test_in_theaters.yaml")
?
?
class TestInTheaters(object):
    @pytest.mark.parametrize("case,http,expected", list(list_params), ids=cases)
    def test_in_theaters(self, case, http, expected):
        host = "http://api.douban.com"
        r = requests.request(http["method"],
                             url=host + http["path"],
                             headers=http["headers"],
                             params=http["params"])
        response = r.json()
        assert response["count"] == expected['response']["count"]
        assert response["start"] == expected['response']["start"]
        assert response["title"] == expected['response']["title"], "實(shí)際的標(biāo)題是：{}".format(response["title"])

---
tests:
- case: 驗(yàn)證響應(yīng)中start和count與請(qǐng)求中的參數(shù)一致
  http:
    method: GET
    path: /v2/movie/in_theaters
    headers:
      User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
    params:
      apikey: 0df993c66c0c636e29ecbb5344252a4a
      start: 0
      count: 10
  expected:
    response:
      title: 正在上映的電影-上海
      count: 10
      start: 0
- case: 驗(yàn)證響應(yīng)中title是"正在上映的電影-北京"
  http:
    method: GET
    path: /v2/movie/in_theaters
    headers:
      User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
    params:
      apikey: 0df993c66c0c636e29ecbb5344252a4a
      start: 1
      count: 5
  expected:
    response:
      title: 正在上映的電影-北京
      count: 5
      start: 1

$ export PYTHONPATH=/Users/chunming.liu/learn/api_pytest
$ py.test tests/test_in_theaters.py 
====================================================== test session starts =======================================================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1
rootdir: /Users/chunming.liu/learn/api_pytest, inifile: pytest.ini
collected 2 items                                                                                                                
?
tests/test_in_theaters.py F.                                                                                               [100%]
?
============================================================ FAILURES ============================================================
___________________________________ TestInTheaters.test_in_theaters[驗(yàn)證響應(yīng)中start和count與請(qǐng)求中的參數(shù)一致] ___________________________________


?
self = <test_in_theaters.TestInTheaters object at 0x102659510>, case = '驗(yàn)證響應(yīng)中start和count與請(qǐng)求中的參數(shù)一致'
http = {'headers': {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chr...T', 'params': {'apikey': '0df993c66c0c636e29ecbb5344252a4a', 'count': 10, 'start': 0}, 'path': '/v2/movie/in_theaters'}
expected = {'response': {'count': 10, 'start': 0, 'title': '正在上映的電影-上海'}}
?
    @pytest.mark.parametrize("case,http,expected", list(list_params), ids=cases)
    def test_in_theaters(self, case, http, expected):
        host = "http://api.douban.com"
        r = requests.request(http["method"],
                             url=host + http["path"],
                             headers=http["headers"],
                             params=http["params"])
        response = r.json()
        assert response["count"] == expected['response']["count"]
        assert response["start"] == expected['response']["start"]
>       assert response["title"] == expected['response']["title"], "實(shí)際的標(biāo)題是：{}".format(response["title"])
E       AssertionError: 實(shí)際的標(biāo)題是：正在上映的電影-北京
E       assert '正在上映的電影-北京' == '正在上映的電影-上海'
E         - 正在上映的電影-上海
E         ?         ^^
E         + 正在上映的電影-北京
E         ?         ^^
?
tests/test_in_theaters.py:20: AssertionError
==================================================== short test summary info =====================================================
FAILED tests/test_in_theaters.py::TestInTheaters::test_in_theaters[\u9a8c\u8bc1\u54cd\u5e94\u4e2dstart\u548ccount\u4e0e\u8bf7\u6c42\u4e2d\u7684\u53c2\u6570\u4e00\u81f4]
================================================== 1 failed, 1 passed in 0.69s ===================================================

[pytest]
disable_test_id_escaping_and_forfeit_all_rights_to_community_support = True

$ tree
.
├── Pipfile
├── Pipfile.lock
├── config
├── data
│   └── test_in_theaters.yaml
├── pytest.ini
├── tests
│   ├── test_in_theaters.py
│   └── test_time.py
└── utils
    └── commlib.py
?
4 directories, 7 files

├── config
│   ├── prod
│   │   └── config.yaml
│   └── test
│       └── config.yaml

host:
  douban: http://api.douban.com

import pytest
?
?
@pytest.fixture
def smtp_connection():
    import smtplib
    connection = smtplib.SMTP_SSL("smtp.163.com", 465, timeout=5)
    yield connection
    print("teardown smtp")
    connection.close()
?
?
def test_ehlo(smtp_connection):
    response, msg = smtp_connection.ehlo()
    assert response == 250
    assert 0

@pytest.fixture(scope="session")
def env(request):
    config_path = os.path.join(request.config.rootdir, 
                               "config", 
                               "test", 
                               "config.yaml")
    with open(config_path) as f:
        env_config = yaml.load(f.read(), Loader=yaml.SafeLoader)
    return env_config

class TestInTheaters(object):
    @pytest.mark.parametrize("case,http,expected", list(list_params), ids=cases)
    def test_in_theaters(self, env, case, http, expected):
        r = requests.request(http["method"],
                             url=env["host"]["douban"] + http["path"],
                             headers=http["headers"],
                             params=http["params"])
        response = r.json()

def pytest_addoption(parser):
    parser.addoption("--env",
                     action="store",
                     dest="environment",
                     default="test",
                     help="environment: test or prod")

$ py.test --env test tests/test_in_theaters.py

[pytest]
addopts = --env prod

@pytest.fixture(scope="function")
    def preparation(self):
        print("在數(shù)據(jù)庫中準(zhǔn)備測(cè)試數(shù)據(jù)")
        test_data = "在數(shù)據(jù)庫中準(zhǔn)備測(cè)試數(shù)據(jù)"
        yield test_data
        print("清理測(cè)試數(shù)據(jù)")

$ pipenv py.test -s -q --tb=no tests/test_in_theaters.py
====================================================== test session starts =======================================================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1
rootdir: /Users/chunming.liu/learn/api_pytest, inifile: pytest.ini
collected 2 items                                                
tests/test_in_theaters.py 在數(shù)據(jù)庫中準(zhǔn)備測(cè)試數(shù)據(jù)
F清理測(cè)試數(shù)據(jù)
在數(shù)據(jù)庫中準(zhǔn)備測(cè)試數(shù)據(jù)
.清理測(cè)試數(shù)據(jù)
?
==================================================== short test summary info =====================================================
FAILED tests/test_in_theaters.py::TestInTheaters::test_in_theaters[驗(yàn)證響應(yīng)中start和count與請(qǐng)求中的參數(shù)一致] - AssertionError: ...
================================================== 1 failed, 1 passed in 0.81s ===================================================

import sys
?
import pytest
?
?
class TestMarks(object):
    @pytest.mark.skip(reason="not implementation")
    def test_the_unknown(self):
        """
        跳過不執(zhí)行，因?yàn)楸粶y(cè)邏輯還沒有被實(shí)現(xiàn)
        """
        assert 0
?
    @pytest.mark.skipif(sys.version_info < (3, 7), reason="requires python3.7 or higher")
    def test_skipif(self):
        """
        低于python3.7版本不執(zhí)行這條測(cè)試用例
        :return:
        """
        assert 1
?
    @pytest.mark.xfail
    def test_xfail(self):
        """
        Indicate that you expect it to fail
        這條用例失敗時(shí)，測(cè)試結(jié)果被標(biāo)記為xfail（expected to fail），并且不打印錯(cuò)誤信息。
        這條用例執(zhí)行成功時(shí)，測(cè)試結(jié)果被標(biāo)記為xpassed（unexpectedly passing）
        """
        assert 0
?
    @pytest.mark.xfail(run=False)
    def test_xfail_not_run(self):
        """
        run=False表示這條用例不用執(zhí)行
        """
        assert 0

$ py.test -s -q --tb=no tests/test_marks.py
====================================================== test session starts =======================================================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1
rootdir: /Users/chunming.liu/learn/api_pytest, inifile: pytest.ini
collected 4 items                                                                                                                
?
tests/test_marks.py s.xx
============================================ 1 passed, 1 skipped, 2 xfailed in 0.06s =============================================

@pytest.mark.slow
    def test_slow(self):
        """
        自定義標(biāo)簽
        """
        assert 0

$ py.test -s -q --tb=no -m "slow" tests/test_marks.py
$ py.test -s -q --tb=no -m "not slow" tests/test_marks.py

[pytest]
markers =
    slow: marks tests as slow (deselect with '-m "not slow"')

$ py.test -s -q --tb=no -n auto tests/
====================================================== test session starts =======================================================
platform darwin -- Python 3.7.7, pytest-5.4.1, py-1.8.1, pluggy-0.13.1
rootdir: /Users/chunming.liu/learn/api_pytest, inifile: pytest.ini
plugins: xdist-1.31.0, forked-1.1.3
gw0 [10] / gw1 [10] / gw2 [10] / gw3 [10] / gw4 [10] / gw5 [10] / gw6 [10] / gw7 [10]
s.FxxF..F.
==================================================== short test summary info =====================================================
FAILED tests/test_marks.py::TestMarks::test_slow - assert 0
FAILED tests/test_smtpsimple.py::test_ehlo - assert 0
FAILED tests/test_in_theaters.py::TestInTheaters::test_in_theaters[驗(yàn)證響應(yīng)中start和count與請(qǐng)求中的參數(shù)一致] - AssertionError: ...
======================================= 3 failed, 4 passed, 1 skipped, 2 xfailed in 1.91s ========================================

$ py.test -s -q --junitxml=./report.xml tests/

$ tree
.
├── Pipfile
├── Pipfile.lock
├── config
│   ├── prod
│   │   └── config.yaml
│   └── test
│       └── config.yaml
├── data
│   └── test_in_theaters.yaml
├── pytest.ini
├── tests
│   ├── conftest.py
│   ├── test_in_theaters.py
│   ├── test_marks.py
│   ├── test_smtpsimple.py
│   └── test_time.py
└── utils
    └── commlib.py
?
6 directories, 12 files