GeezerVison is showing github.com — pythonVSCode/python_files/tests/test_create_venv.py at main · chechi/pythonVSCode

Expand file tree

test_create_venv.py

Copy path

More file actions

Latest commit

History

287 lines (218 loc) · 8.83 KB

test_create_venv.py

Copy path

File metadata and controls

287 lines (218 loc) · 8.83 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

279

280

281

282

283

284

285

286

287

# Licensed under the MIT License.

import argparse

import contextlib

import importlib

import io

import json

import os

import sys

import pytest

import create_venv

@pytest.mark.skipif(sys.platform == "win32", reason="Windows does not have micro venv fallback.")

def test_venv_not_installed_unix():

importlib.reload(create_venv)

create_venv.is_installed = lambda module: module != "venv"

run_process_called = False

def run_process(args, error_message):

nonlocal run_process_called

microvenv_path = os.fspath(create_venv.MICROVENV_SCRIPT_PATH)

if microvenv_path in args:

run_process_called = True

assert args == [

sys.executable,

microvenv_path,

"--name",

".test_venv",

]

assert error_message == "CREATE_VENV.MICROVENV_FAILED_CREATION"

create_venv.run_process = run_process

create_venv.main(["--name", ".test_venv"])

# run_process is called when the venv does not exist

assert run_process_called is True

@pytest.mark.skipif(sys.platform != "win32", reason="Windows does not have microvenv fallback.")

def test_venv_not_installed_windows():

importlib.reload(create_venv)

create_venv.is_installed = lambda module: module != "venv"

with pytest.raises(create_venv.VenvError) as e:

create_venv.main()

assert str(e.value) == "CREATE_VENV.VENV_NOT_FOUND"

@pytest.mark.parametrize("env_exists", ["hasEnv", "noEnv"])

@pytest.mark.parametrize("git_ignore", ["useGitIgnore", "skipGitIgnore"])

@pytest.mark.parametrize("install", ["requirements", "toml", "skipInstall"])

def test_create_env(env_exists, git_ignore, install):

importlib.reload(create_venv)

create_venv.is_installed = lambda _x: True

create_venv.venv_exists = lambda _n: env_exists == "hasEnv"

create_venv.upgrade_pip = lambda _x: None

install_packages_called = False

def install_packages(_env, _name):

nonlocal install_packages_called

install_packages_called = True

create_venv.install_requirements = install_packages

create_venv.install_toml = install_packages

run_process_called = False

def run_process(args, error_message):

nonlocal run_process_called

run_process_called = True

if env_exists == "noEnv":

assert args == [sys.executable, "-m", "venv", create_venv.VENV_NAME]

assert error_message == "CREATE_VENV.VENV_FAILED_CREATION"

create_venv.run_process = run_process

add_gitignore_called = False

def add_gitignore(_name):

nonlocal add_gitignore_called

add_gitignore_called = True

create_venv.add_gitignore = add_gitignore

args = []

if git_ignore == "useGitIgnore":

args += ["--git-ignore"]

if install == "requirements":

args += ["--requirements", "requirements-for-test.txt"]

elif install == "toml":

args += ["--toml", "pyproject.toml", "--extras", "test"]

create_venv.main(args)

assert install_packages_called == (install != "skipInstall")

# run_process is called when the venv does not exist

assert run_process_called == (env_exists == "noEnv")

# add_gitignore is called when new venv is created and git_ignore is True

assert add_gitignore_called == ((env_exists == "noEnv") and (git_ignore == "useGitIgnore"))

@pytest.mark.parametrize("install_type", ["requirements", "pyproject", "both"])

def test_install_packages(install_type):

importlib.reload(create_venv)

create_venv.is_installed = lambda _x: True

create_venv.file_exists = lambda x: install_type in x

pip_upgraded = False

installing = None

order = []

def run_process(args, error_message):

nonlocal pip_upgraded, installing, order

if args[1:] == ["-m", "pip", "install", "--upgrade", "pip"]:

pip_upgraded = True

assert error_message == "CREATE_VENV.UPGRADE_PIP_FAILED"

elif args[1:-1] == ["-m", "pip", "install", "-r"]:

installing = "requirements"

order += ["requirements"]

assert error_message == "CREATE_VENV.PIP_FAILED_INSTALL_REQUIREMENTS"

elif args[1:] == ["-m", "pip", "install", "-e", ".[test]"]:

installing = "pyproject"

order += ["pyproject"]

assert error_message == "CREATE_VENV.PIP_FAILED_INSTALL_PYPROJECT"

create_venv.run_process = run_process

if install_type == "requirements":

create_venv.main(["--requirements", "requirements-for-test.txt"])

elif install_type == "pyproject":

create_venv.main(["--toml", "pyproject.toml", "--extras", "test"])

elif install_type == "both":

create_venv.main(

[

"--requirements",

"requirements-for-test.txt",

"--toml",

"pyproject.toml",

"--extras",

"test",

]

)

assert pip_upgraded

if install_type == "both":

assert order == ["requirements", "pyproject"]

else:

assert installing == install_type

@pytest.mark.parametrize(

("extras", "expected"),

[

([], ["-m", "pip", "install", "-e", "."]),

(["test"], ["-m", "pip", "install", "-e", ".[test]"]),

(["test", "doc"], ["-m", "pip", "install", "-e", ".[test,doc]"]),

)

def test_toml_args(extras, expected):

importlib.reload(create_venv)

actual = []

def run_process(args, error_message):

nonlocal actual

actual = args[1:]

create_venv.run_process = run_process

create_venv.install_toml(sys.executable, extras)

assert actual == expected

@pytest.mark.parametrize(

("extras", "expected"),

[

([], []),

(

["requirements/test.txt"],

[[sys.executable, "-m", "pip", "install", "-r", "requirements/test.txt"]],

(

["requirements/test.txt", "requirements/doc.txt"],

[

[sys.executable, "-m", "pip", "install", "-r", "requirements/test.txt"],

[sys.executable, "-m", "pip", "install", "-r", "requirements/doc.txt"],

)

def test_requirements_args(extras, expected):

importlib.reload(create_venv)

actual = []

def run_process(args, error_message):

nonlocal actual

actual.append(args)

create_venv.run_process = run_process

create_venv.install_requirements(sys.executable, extras)

assert actual == expected

def test_create_venv_missing_pip():

importlib.reload(create_venv)

create_venv.venv_exists = lambda _n: True

create_venv.is_installed = lambda module: module != "pip"

download_pip_pyz_called = False

def download_pip_pyz(name):

nonlocal download_pip_pyz_called

download_pip_pyz_called = True

assert name == create_venv.VENV_NAME

create_venv.download_pip_pyz = download_pip_pyz

run_process_called = False

def run_process(args, error_message):

if "install" in args and "pip" in args:

nonlocal run_process_called

run_process_called = True

pip_pyz_path = os.fspath(create_venv.CWD / create_venv.VENV_NAME / "pip.pyz")

assert args[1:] == [pip_pyz_path, "install", "pip"]

assert error_message == "CREATE_VENV.INSTALL_PIP_FAILED"

create_venv.run_process = run_process

create_venv.main([])

@contextlib.contextmanager

def redirect_io(stream: str, new_stream):

"""Redirect stdio streams to a custom stream."""

old_stream = getattr(sys, stream)

setattr(sys, stream, new_stream)

yield

setattr(sys, stream, old_stream)

class CustomIO(io.TextIOWrapper):

"""Custom stream object to replace stdio."""

name: str = "customio"

def __init__(self, name: str, encoding="utf-8", newline=None):

self._buffer = io.BytesIO()

self._buffer.name = name

super().__init__(self._buffer, encoding=encoding, newline=newline)

def close(self):

"""Provide this close method which is used by some tools."""

# This is intentionally empty.

def get_value(self) -> str:

"""Returns value from the buffer as string."""

self.seek(0)

return self.read()

def test_requirements_from_stdin():

importlib.reload(create_venv)

cli_requirements = [f"cli-requirement{i}.txt" for i in range(3)]

args = argparse.Namespace()

args.__dict__.update({"stdin": True, "requirements": cli_requirements})

stdin_requirements = [f"stdin-requirement{i}.txt" for i in range(20)]

text = json.dumps({"requirements": stdin_requirements})

str_input = CustomIO("<stdin>", encoding="utf-8", newline="\n")

with redirect_io("stdin", str_input):

str_input.write(text)

str_input.seek(0)

actual = create_venv.get_requirements_from_args(args)

assert actual == stdin_requirements + cli_requirements