* Tests for fixed-output derivations (and attribute selection, incidentally).

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/fixed.nix.in b/tests/fixed.nix.in
new file mode 100644
index 000000000000..0ce9dd401931
--- /dev/null
+++ b/tests/fixed.nix.in
@@ -0,0 +1,37 @@
+rec {
+
+  f = builder: mode: algo: hash: derivation {
+    name = "fixed";
+    system = "@system@";
+    builder = "@shell@";
+    args = ["-e" "-x" builder];
+    outputHashMode = mode;
+    outputHashAlgo = algo;
+    outputHash = hash;
+  };
+
+  good = [
+    (f ./fixed.builder1.sh "flat" "md5" "8ddd8be4b179a529afa5f2ffae4b9858")
+    (f ./fixed.builder1.sh "flat" "sha1" "a0b65939670bc2c010f4d5d6a0b3e4e4590fb92b")
+    (f ./fixed.builder2.sh "recursive" "md5" "3670af73070fa14077ad74e0f5ea4e42")
+    (f ./fixed.builder2.sh "recursive" "sha1" "vw46m23bizj4n8afrc0fj19wrp7mj3c0")
+    (f ./fixed.builder2.sh "recursive" "sha256" "1ixr6yd3297ciyp9im522dfxpqbkhcw0pylkb2aab915278fqaik")
+  ];
+
+  good2 = [
+    # Yes, this looks fscked up: builder2 doesn't have that result.
+    # But Nix sees that an output with the desired hash already
+    # exists, and will refrain from building it.
+    (f ./fixed.builder2.sh "flat" "md5" "8ddd8be4b179a529afa5f2ffae4b9858")
+  ];
+
+  bad = [
+    (f ./fixed.builder1.sh "flat" "md5" "0ddd8be4b179a529afa5f2ffae4b9858")
+  ];
+
+  reallyBad = [
+    # Hash too short, and not base-32 either.
+    (f ./fixed.builder1.sh "flat" "md5" "ddd8be4b179a529afa5f2ffae4b9858")
+  ];
+
+}
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