Functional test for derivation "advanced attrs"

This tests the Nix language side of things.

We are purposely skipping most of `common.sh` because it is overkill for
this test: we don't want to have an "overfit" test environment.

Co-Authored-By: John Ericson <John.Ericson@Obsidian.Systems>

tests/functional/derivation-advanced-attributes.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+source common/test-root.sh
+source common/paths.sh
+
+set -o pipefail
+
+source characterisation/framework.sh
+
+badDiff=0
+badExitCode=0
+
+store="$TEST_ROOT/store"
+
+for nixFile in derivation/*.nix; do
+    drvPath=$(nix-instantiate --store "$store" --pure-eval --expr "$(< "$nixFile")")
+    testName=$(basename "$nixFile" .nix)
+    got="${store}${drvPath}"
+    expected="derivation/$testName.drv"
+    diffAndAcceptInner "$testName" "$got" "$expected"
+done
+
+characterisationTestExit