testing: migrate flakes/absolute-paths.sh

Change-Id: Icb9f7e1c8bf17327e32e1ad81f2bfdb4246ba2d7

tests/functional/flakes/absolute-paths.sh

@@ -1,17 +0,0 @@
-source ./common.sh
-
-requireGit
-
-flake1Dir=$TEST_ROOT/flake1
-flake2Dir=$TEST_ROOT/flake2
-
-createGitRepo $flake1Dir
-cat > $flake1Dir/flake.nix <<EOF
-{
-    outputs = { self }: { x = builtins.readFile $(pwd)/absolute-paths.sh; };
-}
-EOF
-git -C $flake1Dir add flake.nix
-git -C $flake1Dir commit -m Initial
-
-nix eval --impure --json $flake1Dir#x

tests/functional/meson.build

@@ -41,7 +41,6 @@ functional_tests_scripts = [
   'flakes/follow-paths.sh',
   'flakes/bundle.sh',
   'flakes/unlocked-override.sh',
-  'flakes/absolute-paths.sh',
   'flakes/build-paths.sh',
   'flakes/flake-in-submodule.sh',
   'flakes/flake-metadata.sh',

tests/functional2/flakes/test_absolute_paths.py

@@ -0,0 +1,20 @@
+from testlib.fixtures.nix import Nix
+from testlib.fixtures.git import Git
+from testlib.fixtures.file_helper import with_files, File
+from testlib.utils import get_global_asset_pack
+from pathlib import Path
+
+
+@with_files({"flake1": get_global_asset_pack(".git"), "input": File("input")})
+def test_absolute_path(nix: Nix, files: Path, git: Git):
+    nix.settings.add_xp_feature("nix-command", "flakes")
+
+    flake = files / "flake1"
+    (flake / "flake.nix").write_text(f"""{{
+        outputs = {{ self }}: {{ x = builtins.readFile {files}/input; }};
+    }}""")
+
+    git(flake, "add", "flake.nix")
+    git(flake, "commit", "-m", "Initial")
+
+    assert nix.nix(["eval", "--impure", "--json", f"{flake}#x"]).run().ok().stdout_s == '"input"\n'