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test_add.py
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test_add.py
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from __future__ import annotations
import sys
from pathlib import Path
from typing import TYPE_CHECKING
import pytest
from poetry.core.constraints.version import Version
from poetry.core.packages.package import Package
from poetry.repositories.legacy_repository import LegacyRepository
from tests.helpers import get_dependency
from tests.helpers import get_package
if TYPE_CHECKING:
from cleo.testers.command_tester import CommandTester
from pytest_mock import MockerFixture
from poetry.installation.noop_installer import NoopInstaller
from poetry.poetry import Poetry
from poetry.utils.env import MockEnv
from poetry.utils.env import VirtualEnv
from tests.helpers import PoetryTestApplication
from tests.helpers import TestRepository
from tests.types import CommandTesterFactory
from tests.types import FixtureDirGetter
from tests.types import ProjectFactory
@pytest.fixture
def poetry_with_up_to_date_lockfile(
project_factory: ProjectFactory, fixture_dir: FixtureDirGetter
) -> Poetry:
source = fixture_dir("up_to_date_lock")
return project_factory(
name="foobar",
pyproject_content=(source / "pyproject.toml").read_text(encoding="utf-8"),
poetry_lock_content=(source / "poetry.lock").read_text(encoding="utf-8"),
)
@pytest.fixture()
def tester(command_tester_factory: CommandTesterFactory) -> CommandTester:
return command_tester_factory("add")
@pytest.fixture()
def old_tester(tester: CommandTester) -> CommandTester:
tester.command.installer.use_executor(False)
return tester
def test_add_no_constraint(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(get_package("cachy", "0.2.0"))
tester.execute("cachy")
expected = """\
Using version ^0.2.0 for cachy
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["dependencies"]
assert content["dependencies"]["cachy"] == "^0.2.0"
def test_add_replace_by_constraint(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(get_package("cachy", "0.2.0"))
tester.execute("cachy")
expected = """\
Using version ^0.2.0 for cachy
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["dependencies"]
assert content["dependencies"]["cachy"] == "^0.2.0"
tester.execute("cachy@0.1.0")
expected = """
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.1.0)
"""
assert tester.io.fetch_output() == expected
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["dependencies"]
assert content["dependencies"]["cachy"] == "0.1.0"
def test_add_no_constraint_editable_error(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
content = app.poetry.file.read()["tool"]["poetry"]
repo.add_package(get_package("cachy", "0.2.0"))
tester.execute("-e cachy")
expected = """
Failed to add packages. Only vcs/path dependencies support editable installs.\
cachy is neither.
No changes were applied.
"""
assert tester.status_code == 1
assert tester.io.fetch_error() == expected
assert tester.command.installer.executor.installations_count == 0
assert content == app.poetry.file.read()["tool"]["poetry"]
def test_add_equal_constraint(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(get_package("cachy", "0.2.0"))
tester.execute("cachy==0.1.0")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.1.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
def test_add_greater_constraint(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(get_package("cachy", "0.2.0"))
tester.execute("cachy>=0.1.0")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
@pytest.mark.parametrize("extra_name", ["msgpack", "MsgPack"])
def test_add_constraint_with_extras(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
extra_name: str,
):
cachy1 = get_package("cachy", "0.1.0")
cachy1.extras = {"msgpack": [get_dependency("msgpack-python")]}
msgpack_dep = get_dependency("msgpack-python", ">=0.5 <0.6", optional=True)
cachy1.add_dependency(msgpack_dep)
repo.add_package(get_package("cachy", "0.2.0"))
repo.add_package(cachy1)
repo.add_package(get_package("msgpack-python", "0.5.3"))
tester.execute(f"cachy[{extra_name}]>=0.1.0,<0.2.0")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing msgpack-python (0.5.3)
• Installing cachy (0.1.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
def test_add_constraint_dependencies(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
cachy2 = get_package("cachy", "0.2.0")
msgpack_dep = get_dependency("msgpack-python", ">=0.5 <0.6")
cachy2.add_dependency(msgpack_dep)
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(cachy2)
repo.add_package(get_package("msgpack-python", "0.5.3"))
tester.execute("cachy=0.2.0")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing msgpack-python (0.5.3)
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
def test_add_git_constraint(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
tmp_venv: VirtualEnv,
):
tester.command.set_env(tmp_venv)
repo.add_package(get_package("pendulum", "1.4.4"))
repo.add_package(get_package("cleo", "0.6.5"))
tester.execute("git+https://github.com/demo/demo.git")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo (0.1.2 9cf87a2)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
assert content["dependencies"]["demo"] == {
"git": "https://github.com/demo/demo.git"
}
def test_add_git_constraint_with_poetry(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
tmp_venv: VirtualEnv,
):
tester.command.set_env(tmp_venv)
repo.add_package(get_package("pendulum", "1.4.4"))
tester.execute("git+https://github.com/demo/pyproject-demo.git")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo (0.1.2 9cf87a2)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
@pytest.mark.parametrize("extra_name", ["foo", "FOO"])
def test_add_git_constraint_with_extras(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
tmp_venv: VirtualEnv,
extra_name: str,
):
tester.command.set_env(tmp_venv)
repo.add_package(get_package("pendulum", "1.4.4"))
repo.add_package(get_package("cleo", "0.6.5"))
repo.add_package(get_package("tomlkit", "0.5.5"))
tester.execute(f"git+https://github.com/demo/demo.git[{extra_name},bar]")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 4 installs, 0 updates, 0 removals
• Installing cleo (0.6.5)
• Installing pendulum (1.4.4)
• Installing tomlkit (0.5.5)
• Installing demo (0.1.2 9cf87a2)
"""
assert tester.io.fetch_output().strip() == expected.strip()
assert tester.command.installer.executor.installations_count == 4
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
assert content["dependencies"]["demo"] == {
"git": "https://github.com/demo/demo.git",
"extras": [extra_name, "bar"],
}
@pytest.mark.parametrize(
"url, rev",
[
("git+https://github.com/demo/subdirectories.git#subdirectory=two", None),
(
"git+https://github.com/demo/subdirectories.git@master#subdirectory=two",
"master",
),
],
)
def test_add_git_constraint_with_subdirectory(
url: str,
rev: str | None,
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
env: MockEnv,
):
tester.execute(url)
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing two (2.0.0 9cf87a2)
"""
assert tester.io.fetch_output().strip() == expected.strip()
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
constraint = {
"git": "https://github.com/demo/subdirectories.git",
"subdirectory": "two",
}
if rev:
constraint["rev"] = rev
assert "two" in content["dependencies"]
assert content["dependencies"]["two"] == constraint
@pytest.mark.parametrize("editable", [False, True])
def test_add_git_ssh_constraint(
editable: bool,
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
tmp_venv: VirtualEnv,
):
tester.command.set_env(tmp_venv)
repo.add_package(get_package("pendulum", "1.4.4"))
repo.add_package(get_package("cleo", "0.6.5"))
url = "git+ssh://git@github.com/demo/demo.git@develop"
tester.execute(f"{url}" if not editable else f"-e {url}")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo (0.1.2 9cf87a2)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
expected = {
"git": "ssh://git@github.com/demo/demo.git",
"rev": "develop",
}
if editable:
expected["develop"] = True
assert content["dependencies"]["demo"] == expected
@pytest.mark.parametrize(
"required_fixtures",
[["git/github.com/demo/demo"]],
)
@pytest.mark.parametrize("editable", [False, True])
def test_add_directory_constraint(
editable: bool,
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
):
repo.add_package(get_package("pendulum", "1.4.4"))
repo.add_package(get_package("cleo", "0.6.5"))
path = "../git/github.com/demo/demo"
tester.execute(f"{path}" if not editable else f"-e {path}")
expected = f"""\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo (0.1.2 {app.poetry.file.parent.joinpath(path).resolve().as_posix()})
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
expected = {"path": path}
if editable:
expected["develop"] = True
assert content["dependencies"]["demo"] == expected
@pytest.mark.parametrize(
"required_fixtures",
[["git/github.com/demo/pyproject-demo"]],
)
def test_add_directory_with_poetry(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
):
repo.add_package(get_package("pendulum", "1.4.4"))
path = "../git/github.com/demo/pyproject-demo"
tester.execute(f"{path}")
expected = f"""\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo (0.1.2 {app.poetry.file.parent.joinpath(path).resolve().as_posix()})
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
@pytest.mark.parametrize(
"required_fixtures",
[["distributions/demo-0.1.0-py2.py3-none-any.whl"]],
)
def test_add_file_constraint_wheel(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
poetry: Poetry,
):
repo.add_package(get_package("pendulum", "1.4.4"))
path = "../distributions/demo-0.1.0-py2.py3-none-any.whl"
tester.execute(f"{path}")
expected = f"""\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo (0.1.0 {app.poetry.file.parent.joinpath(path).resolve().as_posix()})
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
assert content["dependencies"]["demo"] == {"path": path}
@pytest.mark.parametrize(
"required_fixtures",
[["distributions/demo-0.1.0.tar.gz"]],
)
def test_add_file_constraint_sdist(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
):
repo.add_package(get_package("pendulum", "1.4.4"))
path = "../distributions/demo-0.1.0.tar.gz"
tester.execute(f"{path}")
expected = f"""\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo (0.1.0 {app.poetry.file.parent.joinpath(path).resolve().as_posix()})
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
assert content["dependencies"]["demo"] == {"path": path}
@pytest.mark.parametrize("extra_name", ["msgpack", "MsgPack"])
def test_add_constraint_with_extras_option(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
extra_name: str,
):
cachy2 = get_package("cachy", "0.2.0")
cachy2.extras = {"msgpack": [get_dependency("msgpack-python")]}
msgpack_dep = get_dependency("msgpack-python", ">=0.5 <0.6", optional=True)
cachy2.add_dependency(msgpack_dep)
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(cachy2)
repo.add_package(get_package("msgpack-python", "0.5.3"))
tester.execute(f"cachy=0.2.0 --extras {extra_name}")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing msgpack-python (0.5.3)
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["dependencies"]
assert content["dependencies"]["cachy"] == {
"version": "0.2.0",
"extras": [extra_name],
}
def test_add_url_constraint_wheel(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
mocker: MockerFixture,
):
p = mocker.patch("pathlib.Path.cwd")
p.return_value = Path(__file__) / ".."
repo.add_package(get_package("pendulum", "1.4.4"))
tester.execute(
"https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl"
)
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 2 installs, 0 updates, 0 removals
• Installing pendulum (1.4.4)
• Installing demo\
(0.1.0 https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 2
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
assert content["dependencies"]["demo"] == {
"url": "https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl"
}
@pytest.mark.parametrize("extra_name", ["foo", "FOO"])
def test_add_url_constraint_wheel_with_extras(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
extra_name: str,
mocker: MockerFixture,
):
repo.add_package(get_package("pendulum", "1.4.4"))
repo.add_package(get_package("cleo", "0.6.5"))
repo.add_package(get_package("tomlkit", "0.5.5"))
tester.execute(
"https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl"
f"[{extra_name},bar]"
)
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 4 installs, 0 updates, 0 removals
• Installing cleo (0.6.5)
• Installing pendulum (1.4.4)
• Installing tomlkit (0.5.5)
• Installing demo\
(0.1.0 https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl)
"""
# Order might be different, split into lines and compare the overall output.
expected = set(expected.splitlines())
output = set(tester.io.fetch_output().splitlines())
assert output == expected
assert tester.command.installer.executor.installations_count == 4
content = app.poetry.file.read()["tool"]["poetry"]
assert "demo" in content["dependencies"]
assert content["dependencies"]["demo"] == {
"url": (
"https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl"
),
"extras": [extra_name, "bar"],
}
def test_add_constraint_with_python(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
cachy2 = get_package("cachy", "0.2.0")
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(cachy2)
tester.execute("cachy=0.2.0 --python >=2.7")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["dependencies"]
assert content["dependencies"]["cachy"] == {"version": "0.2.0", "python": ">=2.7"}
def test_add_constraint_with_platform(
app: PoetryTestApplication,
repo: TestRepository,
tester: CommandTester,
env: MockEnv,
):
platform = sys.platform
env._platform = platform
cachy2 = get_package("cachy", "0.2.0")
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(cachy2)
tester.execute(f"cachy=0.2.0 --platform {platform} -vvv")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["dependencies"]
assert content["dependencies"]["cachy"] == {
"version": "0.2.0",
"platform": platform,
}
def test_add_constraint_with_source(
app: PoetryTestApplication,
poetry: Poetry,
tester: CommandTester,
mocker: MockerFixture,
):
repo = LegacyRepository(name="my-index", url="https://my-index.fake")
repo.add_package(get_package("cachy", "0.2.0"))
mocker.patch.object(
repo,
"_find_packages",
wraps=lambda _, name: [
Package(
"cachy",
Version.parse("0.2.0"),
source_type="legacy",
source_reference=repo.name,
source_url=repo._url,
yanked=False,
)
],
)
poetry.pool.add_repository(repo)
tester.execute("cachy=0.2.0 --source my-index")
expected = """\
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["dependencies"]
assert content["dependencies"]["cachy"] == {
"version": "0.2.0",
"source": "my-index",
}
def test_add_constraint_with_source_that_does_not_exist(
app: PoetryTestApplication, tester: CommandTester
):
with pytest.raises(IndexError) as e:
tester.execute("foo --source i-dont-exist")
assert str(e.value) == 'Repository "i-dont-exist" does not exist.'
def test_add_constraint_not_found_with_source(
app: PoetryTestApplication,
poetry: Poetry,
mocker: MockerFixture,
tester: CommandTester,
):
repo = LegacyRepository(name="my-index", url="https://my-index.fake")
mocker.patch.object(repo, "find_packages", return_value=[])
poetry.pool.add_repository(repo)
pypi = poetry.pool.repositories[0]
pypi.add_package(get_package("cachy", "0.2.0"))
with pytest.raises(ValueError) as e:
tester.execute("cachy --source my-index")
assert str(e.value) == "Could not find a matching version of package cachy"
def test_add_to_section_that_does_not_exist_yet(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(get_package("cachy", "0.2.0"))
tester.execute("cachy --group dev")
expected = """\
Using version ^0.2.0 for cachy
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["group"]["dev"]["dependencies"]
assert content["group"]["dev"]["dependencies"]["cachy"] == "^0.2.0"
expected = """\
[tool.poetry.group.dev.dependencies]
cachy = "^0.2.0"
"""
string_content = content.as_string()
if "\r\n" in string_content:
# consistent line endings
expected = expected.replace("\n", "\r\n")
assert expected in string_content
def test_add_to_dev_section_deprecated(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
repo.add_package(get_package("cachy", "0.1.0"))
repo.add_package(get_package("cachy", "0.2.0"))
tester.execute("cachy --dev")
warning = """\
The --dev option is deprecated, use the `--group dev` notation instead.
"""
expected = """\
Using version ^0.2.0 for cachy
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing cachy (0.2.0)
"""
assert tester.io.fetch_error() == warning
assert tester.io.fetch_output() == expected
assert tester.command.installer.executor.installations_count == 1
content = app.poetry.file.read()["tool"]["poetry"]
assert "cachy" in content["group"]["dev"]["dependencies"]
assert content["group"]["dev"]["dependencies"]["cachy"] == "^0.2.0"
def test_add_should_not_select_prereleases(
app: PoetryTestApplication, repo: TestRepository, tester: CommandTester
):
repo.add_package(get_package("pyyaml", "3.13"))
repo.add_package(get_package("pyyaml", "4.2b2"))
tester.execute("pyyaml")
expected = """\
Using version ^3.13 for pyyaml
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 1 install, 0 updates, 0 removals
• Installing pyyaml (3.13)
"""