tests/functional2: migrate simple.sh

Change-Id: I4366ce7d877935df98e35d733650c60f59478ace

tests/functional/meson.build

@@ -57,7 +57,6 @@ functional_tests_scripts = [
   'fetchurl.sh',
   'fetchPath.sh',
   'fetchTree-file.sh',
-  'simple.sh',
   'referrers.sh',
   'substitute-with-invalid-ca.sh',
   'signing.sh',

tests/functional/simple.sh

@@ -1,33 +0,0 @@
-source common.sh
-
-drvPath=$(nix-instantiate simple.nix)
-
-test "$(nix-store -q --binding system "$drvPath")" = "$system"
-
-echo "derivation is $drvPath"
-
-outPath=$(nix-store -rvv "$drvPath")
-
-echo "output path is $outPath"
-
-(! [ -w $outPath ])
-
-text=$(cat "$outPath"/hello)
-if test "$text" != "Hello World!"; then exit 1; fi
-
-# Directed delete: $outPath is not reachable from a root, so it should
-# be deleteable.
-nix-store --delete $outPath
-(! [ -e $outPath/hello ])
-
-outPath="$(NIX_REMOTE=local?store=/foo\&real=$TEST_ROOT/real-store nix-instantiate --readonly-mode hash-check.nix)"
-if test "$outPath" != "/foo/lfy1s6ca46rm5r6w4gg9hc0axiakjcnm-dependencies.drv"; then
-    echo "hashDerivationModulo appears broken, got $outPath"
-    exit 1
-fi
-
-outPath="$(NIX_REMOTE=local?store=/foo\&real=$TEST_ROOT/real-store nix-instantiate --readonly-mode big-derivation-attr.nix)"
-if test "$outPath" != "/foo/xxiwa5zlaajv6xdjynf9yym9g319d6mn-big-derivation-attr.drv"; then
-    echo "big-derivation-attr.nix hash appears broken, got $outPath. Memory corruption in large drv attr?"
-    exit 1
-fi

tests/functional2/store/test_simple.py

@@ -0,0 +1,72 @@
+from pathlib import Path
+
+import pytest
+
+from testlib.fixtures.file_helper import with_files, CopyFile, File
+from testlib.fixtures.nix import Nix
+from testlib.utils import get_global_asset_pack
+from testlib.environ import environ
+
+_files = get_global_asset_pack("simple-drv") | {
+    "hash-check.nix": CopyFile("assets/test_simple/hash-check.nix"),
+    "big-derivation-attr.nix": CopyFile("assets/test_simple/big-derivation-attr.nix"),
+    "dummy": File("Hello World\n"),
+}
+
+
+@pytest.fixture
+def drv(nix: Nix) -> str:
+    res = nix.nix_instantiate(["simple.nix"]).run().ok()
+    return res.stdout_plain
+
+
+@with_files(_files)
+def test_store_system(nix: Nix, drv: str):
+    res = nix.nix_store(["-q", "--binding", "system", drv]).run().ok()
+    assert res.stdout_plain == environ.get("system")
+
+
+@with_files(_files)
+def test_out_path(nix: Nix, drv: str):
+    res = nix.nix_store(["-rvv", drv]).run().ok()
+    out_path = Path(res.stdout_plain)
+
+    assert out_path.exists()
+    text_path = out_path / "hello"
+    assert text_path.read_text() == "Hello World!\n"
+
+    # Directed delete: $outPath is not reachable from a root, so it should
+    # be deleteable.
+    nix.nix_store(["--delete", str(out_path)]).run().ok()
+    assert not text_path.exists()
+
+    res = (
+        nix.nix(
+            [
+                "eval",
+                "--store",
+                f"local?store=/foo&real={nix.env.dirs.real_store_dir}",
+                "--read-only",
+                "-f",
+                "hash-check.nix",
+            ],
+            flake=True,
+        )
+        .run()
+        .ok()
+    )
+    assert (
+        res.stdout_plain == "«derivation /foo/lfy1s6ca46rm5r6w4gg9hc0axiakjcnm-dependencies.drv»"
+    ), "hashDerivationModulo appears broken"
+
+    nix.env.set_env("NIX_REMOTE", f"local?store=/foo&real={nix.env.dirs.real_store_dir}")
+    nix.settings.store = None
+    res = nix.nix_instantiate(["--readonly-mode", "hash-check.nix"]).run().ok()
+    assert res.stdout_plain == "/foo/lfy1s6ca46rm5r6w4gg9hc0axiakjcnm-dependencies.drv", (
+        "hashDerivationModulo appears broken"
+    )
+
+    res = nix.nix_instantiate(["--readonly-mode", "big-derivation-attr.nix"]).run().ok()
+    assert res.stdout_plain == "/foo/xxiwa5zlaajv6xdjynf9yym9g319d6mn-big-derivation-attr.drv", (
+        "big-derivation-attr.nix hash appears broken. Memory corruption in large drv attr?"
+    )