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Tests: For each test function, create an isolated project directory

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This allows concurrent test execution.

Fixes https://github.com/fedora-python/tox-current-env/issues/11
This commit is contained in:
Miro Hrončok 2019-10-21 12:37:19 +02:00
parent cf04976cea
commit 783c2ea1ec
3 changed files with 23 additions and 18 deletions
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0
tests/setup.py → tests/fixtures/setup.py vendored
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0
tests/tox.ini → tests/fixtures/tox.ini vendored
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41
tests/test_integration.py
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@ -13,18 +13,25 @@ import pytest
NATIVE_TOXENV = f"py{sys.version_info[0]}{sys.version_info[1]}"
NATIVE_EXECUTABLE = str(pathlib.Path(sys.executable).resolve())
TOX_INI = pathlib.Path(__file__).parent / "tox.ini"
DOT_TOX = pathlib.Path(__file__).parent / ".tox"
FIXTURES_DIR = pathlib.Path(__file__).parent / "fixtures"
DOT_TOX = pathlib.Path("./.tox")
def tox(*args, prune=True, **kwargs):
if prune:
shutil.rmtree(DOT_TOX, ignore_errors=True)
@pytest.fixture(autouse=True)
def projdir(tmp_path, monkeypatch):
pwd = tmp_path / "projdir"
pwd.mkdir()
for fname in "tox.ini", "setup.py":
shutil.copy(FIXTURES_DIR / fname, pwd)
monkeypatch.chdir(pwd)
def tox(*args, **kwargs):
kwargs.setdefault("encoding", "utf-8")
kwargs.setdefault("stdout", subprocess.PIPE)
kwargs.setdefault("stderr", subprocess.PIPE)
kwargs.setdefault("check", True)
cp = subprocess.run((sys.executable, "-m", "tox", "-qc", TOX_INI) + args, **kwargs)
cp = subprocess.run((sys.executable, "-m", "tox", "-q") + args, **kwargs)
print(cp.stdout, file=sys.stdout)
print(cp.stderr, file=sys.stderr)
return cp
@ -207,7 +214,7 @@ def test_regular_run_native_toxenv():
def test_regular_after_current_is_supported():
result = tox("-e", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXECUTABLE
result = tox("-e", NATIVE_TOXENV, prune=False)
result = tox("-e", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV}/bin/python" in result.stdout
assert "--recreate" not in result.stderr
@ -218,7 +225,7 @@ def test_regular_after_killed_current_is_not_supported():
(DOT_TOX / NATIVE_TOXENV / "bin").mkdir(parents=True)
(DOT_TOX / NATIVE_TOXENV / "bin" / "python").symlink_to(NATIVE_EXECUTABLE)
result = tox("-e", NATIVE_TOXENV, prune=False, check=False)
result = tox("-e", NATIVE_TOXENV, check=False)
assert result.returncode > 0
assert "--recreate" in result.stderr
@ -227,7 +234,7 @@ def test_regular_after_killed_current_is_not_supported():
def test_regular_after_first_deps_only_is_supported():
result = tox("-e", NATIVE_TOXENV, "--print-deps-only")
assert result.stdout.splitlines()[0] == "six"
result = tox("-e", NATIVE_TOXENV, prune=False)
result = tox("-e", NATIVE_TOXENV)
lines = sorted(result.stdout.splitlines()[:1])
assert "--recreate" not in result.stderr
assert f"/.tox/{NATIVE_TOXENV}/bin/python" in lines[0]
@ -244,7 +251,7 @@ def test_regular_after_first_deps_only_is_supported():
def test_regular_recreate_after_current():
result = tox("-e", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXECUTABLE
result = tox("-re", NATIVE_TOXENV, prune=False)
result = tox("-re", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV}/bin/python" in result.stdout
assert "not supported" not in result.stderr
assert "--recreate" not in result.stderr
@ -253,7 +260,7 @@ def test_regular_recreate_after_current():
def test_current_after_regular_is_not_supported():
result = tox("-e", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV}/bin/python" in result.stdout
result = tox("-e", NATIVE_TOXENV, "--current-env", prune=False, check=False)
result = tox("-e", NATIVE_TOXENV, "--current-env", check=False)
assert result.returncode > 0
assert "not supported" in result.stderr
@ -261,19 +268,17 @@ def test_current_after_regular_is_not_supported():
def test_current_recreate_after_regular():
result = tox("-e", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV}/bin/python" in result.stdout
result = tox("-re", NATIVE_TOXENV, "--current-env", prune=False)
result = tox("-re", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXECUTABLE
def test_current_after_deps_only():
# this is quite fast, so we can do it several times
first = True
for _ in range(3):
result = tox("-e", NATIVE_TOXENV, "--print-deps-only", prune=first)
first = False
result = tox("-e", NATIVE_TOXENV, "--print-deps-only")
assert "bin/python" not in result.stdout
assert "six" in result.stdout
result = tox("-re", NATIVE_TOXENV, "--current-env", prune=False)
result = tox("-re", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXECUTABLE
@ -282,13 +287,13 @@ def test_regular_recreate_after_deps_only():
assert "bin/python" not in result.stdout
assert "six" in result.stdout
result = tox("-re", NATIVE_TOXENV, prune=False)
result = tox("-re", NATIVE_TOXENV)
assert result.stdout.splitlines()[0] != NATIVE_EXECUTABLE
sitelib = DOT_TOX / f"{NATIVE_TOXENV}/lib/python3.{NATIVE_TOXENV[-1]}/site-packages"
assert sitelib.is_dir()
assert len(list(sitelib.glob("test-*.dist-info"))) == 1
result = tox("-e", NATIVE_TOXENV, "--print-deps-only", prune=False)
result = tox("-e", NATIVE_TOXENV, "--print-deps-only")
assert "bin/python" not in result.stdout
assert "six" in result.stdout