tests/functional2: migrate dump-db.sh

Change-Id: Ife8ff62add37f50867f55a5eaa26f7a68fad1c78

tests/functional/dump-db.sh

@@ -1,22 +0,0 @@
-source common.sh
-
-needLocalStore "--dump-db requires a local store"
-
-clearStore
-
-path=$(nix-build dependencies.nix -o $TEST_ROOT/result)
-
-deps="$(nix-store -qR $TEST_ROOT/result)"
-
-nix-store --dump-db > $TEST_ROOT/dump
-
-rm -rf $NIX_STATE_DIR/db
-
-nix-store --load-db < $TEST_ROOT/dump
-
-deps2="$(nix-store -qR $TEST_ROOT/result)"
-
-[ "$deps" = "$deps2" ];
-
-nix-store --dump-db > $TEST_ROOT/dump2
-cmp $TEST_ROOT/dump $TEST_ROOT/dump2

tests/functional/meson.build

@@ -109,7 +109,6 @@ functional_tests_scripts = [
   'local-store.sh',
   'filter-source.sh',
   'misc.sh',
-  'dump-db.sh',
   'linux-sandbox.sh',
   'supplementary-groups.sh',
   'build-dry.sh',

tests/functional2/store/test_dump_db.py

@@ -0,0 +1,30 @@
+import shutil
+
+from functional2.testlib.fixtures.file_helper import with_files
+from functional2.testlib.fixtures.nix import Nix
+from functional2.testlib.utils import get_global_asset_pack
+
+
+@with_files(get_global_asset_pack("dependencies"))
+def test_dump_db(nix: Nix):
+    nix.nix_build(["dependencies.nix", "-o", "result"]).run().ok()
+
+    res = nix.nix_store(["-qR", "result"], build=True).run().ok()
+    deps = res.stdout_plain
+
+    res = nix.nix_store(["--dump-db"], build=True).run().ok()
+    dump = res.stdout
+
+    shutil.rmtree(nix.env.dirs.nix_state_dir / "db")
+
+    nix.nix_store(["--load-db"], build=True).with_stdin(dump).run().ok()
+
+    res = nix.nix_store(["-qR", "result"], build=True).run().ok()
+    deps2 = res.stdout_plain
+
+    assert deps == deps2
+
+    res = nix.nix_store(["--dump-db"], build=True).run().ok()
+    dump2 = res.stdout
+
+    assert dump == dump2

tests/functional2/testlib/fixtures/env.py

@@ -190,7 +190,7 @@ class ManagedEnv:
             test_root=self._get_dir(""),
             home=self._get_dir("test-home"),
             nix_log_dir=self._get_dir("var/log/nix"),
-            nix_state_dir=self._get_dir("var/nix"),
+            nix_state_dir=self._get_dir("nix/var/nix"),
             nix_conf_dir=self._get_dir("etc/nix"),
             nix_bin_dir=lix_bin,
             real_store_dir=self._get_dir("nix/store"),