isolate

Author: skshetry

.github/workflows/tests.yaml

@@ -2,9 +2,10 @@ name: Tests
 on: push
 jobs:
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        os: [ubuntu-20.04, windows-latest, macos-latest]
         python-version: ['3.7', '3.8', '3.9', '3.10']
     name: Python ${{ matrix.python-version }}
     steps:

setup.cfg

@@ -37,7 +37,7 @@ install_requires=
 dev =
     pytest==6.2.5
     pytest-sugar==0.9.4
-    pytest-test-utils==0.0.4
+    pytest-test-utils==0.0.5
     pytest-cov==3.0.0
     pytest-mock==3.6.1
     pylint==2.11.1

tests/conftest.py

@@ -1,15 +1,46 @@
+import os
+import sys
+
+import pygit2
 import pytest
-from pytest_test_utils import TmpDir
+from pytest_test_utils import TempDirFactory, TmpDir
 
 from scmrepo.git import Git
 
 
-@pytest.fixture
-def scm(tmp_dir: TmpDir, monkeypatch: pytest.MonkeyPatch):
+@pytest.fixture(autouse=True)
+def isolate(tmp_dir_factory: TempDirFactory, monkeypatch: pytest.MonkeyPatch):
+    path = tmp_dir_factory.mktemp("mock")
+    home_dir = path / "home"
+    home_dir.mkdir()
+
+    if sys.platform == "win32":
+        home_drive, home_path = os.path.splitdrive(home_dir)
+        monkeypatch.setenv("USERPROFILE", str(home_dir))
+        monkeypatch.setenv("HOMEDRIVE", home_drive)
+        monkeypatch.setenv("HOMEPATH", home_path)
+    else:
+        monkeypatch.setenv("HOME", str(home_dir))
+
     monkeypatch.setenv("GIT_CONFIG_NOSYSTEM", "1")
-    monkeypatch.setenv("GIT_AUTHOR_NAME", "DVC test user")
-    monkeypatch.setenv("GIT_AUTHOR_EMAIL", "dvctester@example.com")
+    contents = b"""
+[user]
+name=DVC Tester
+email=dvctester@example.com
+[init]
+defaultBranch=master
+"""
+    (home_dir / ".gitconfig").write_bytes(contents)
+    pygit2.settings.search_path[pygit2.GIT_CONFIG_LEVEL_GLOBAL] = str(home_dir)
 
+
+@pytest.fixture
+def scm(tmp_dir: TmpDir):
     git_ = Git.init(tmp_dir)
+    sig = git_.pygit2.default_signature
+
+    assert sig.email == "dvctester@example.com"
+    assert sig.name == "DVC Tester"
+
     yield git_
     git_.close()