cli: rename clan_flake to test_flake

pkgs/clan-cli/tests/test_flake.py

@@ -0,0 +1,54 @@
+import fileinput
+import shutil
+import tempfile
+from pathlib import Path
+from typing import Iterator
+
+import pytest
+from root import PROJECT_ROOT
+
+from clan_cli.dirs import nixpkgs_source
+
+
+@pytest.fixture(scope="module")
+def monkeymodule() -> Iterator[pytest.MonkeyPatch]:
+    with pytest.MonkeyPatch.context() as mp:
+        yield mp
+
+
+def create_flake(
+    monkeymodule: pytest.MonkeyPatch, name: str, clan_core_flake: Path | None = None
+) -> Iterator[Path]:
+    template = Path(__file__).parent / name
+    # copy the template to a new temporary location
+    with tempfile.TemporaryDirectory() as tmpdir_:
+        home = Path(tmpdir_)
+        flake = home / name
+        shutil.copytree(template, flake)
+        # in the flake.nix file replace the string __CLAN_URL__ with the the clan flake
+        # provided by get_test_flake_toplevel
+        flake_nix = flake / "flake.nix"
+        for line in fileinput.input(flake_nix, inplace=True):
+            line = line.replace("__NIXPKGS__", str(nixpkgs_source()))
+            if clan_core_flake:
+                line = line.replace("__CLAN_CORE__", str(clan_core_flake))
+            print(line)
+        # check that an empty config is returned if no json file exists
+        monkeymodule.chdir(flake)
+        monkeymodule.setenv("HOME", str(home))
+        yield flake
+
+
+@pytest.fixture(scope="module")
+def test_flake(monkeymodule: pytest.MonkeyPatch) -> Iterator[Path]:
+    yield from create_flake(monkeymodule, "test_flake")
+
+
+@pytest.fixture(scope="module")
+def test_flake_with_core(monkeymodule: pytest.MonkeyPatch) -> Iterator[Path]:
+    clan_core_flake = PROJECT_ROOT.parent.parent
+    if not (clan_core_flake / "flake.nix").exists():
+        raise Exception(
+            "clan-core flake not found. This test requires the clan-core flake to be present"
+        )
+    yield from create_flake(monkeymodule, "test_flake_with_core", clan_core_flake)