unikernel/duniverse/dune_/test/blackbox-tests/test-cases/pkg/lockdir-validation.t

@@ -0,0 +1,56 @@
+Check that if the user tampers with the lockdir in a way that invalidates the
+package graph then it's caught when loading the lockdir.
+
+  $ . ./helpers.sh
+
+
+  $ make_lockdir
+
+  $ cat >dune.lock/a.pkg <<EOF
+  > (version 0.0.1)
+  > (depends b)
+  > EOF
+  $ cat >dune.lock/b.pkg <<EOF
+  > (version 0.0.1)
+  > (depends c)
+  > EOF
+  $ cat >dune.lock/c.pkg <<EOF
+  > (version 0.0.1)
+  > (depends a)
+  > EOF
+
+  $ dune describe pkg lock
+  Contents of dune.lock:
+  - a.0.0.1
+  - b.0.0.1
+  - c.0.0.1
+
+  $ cat >dune.lock/c.pkg <<EOF
+  > (version 0.0.1)
+  > (depends a d)
+  > EOF
+
+  $ dune describe pkg lock
+  File "dune.lock/c.pkg", line 2, characters 11-12:
+  The package "c" depends on the package "d", but "d" does not appear in the
+  lockdir dune.lock.
+  Error: At least one package dependency is itself not present as a package in
+  the lockdir dune.lock.
+  Hint: This could indicate that the lockdir is corrupted. Delete it and then
+  regenerate it by running: 'dune pkg lock'
+  [1]
+
+  $ rm dune.lock/a.pkg
+
+  $ dune describe pkg lock
+  File "dune.lock/c.pkg", line 2, characters 9-10:
+  The package "c" depends on the package "a", but "a" does not appear in the
+  lockdir dune.lock.
+  File "dune.lock/c.pkg", line 2, characters 11-12:
+  The package "c" depends on the package "d", but "d" does not appear in the
+  lockdir dune.lock.
+  Error: At least one package dependency is itself not present as a package in
+  the lockdir dune.lock.
+  Hint: This could indicate that the lockdir is corrupted. Delete it and then
+  regenerate it by running: 'dune pkg lock'
+  [1]