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-rw-r--r--nix/dependency-analyzer/tests/default.nix36
1 files changed, 36 insertions, 0 deletions
diff --git a/nix/dependency-analyzer/tests/default.nix b/nix/dependency-analyzer/tests/default.nix
new file mode 100644
index 000000000000..79ac127e922f
--- /dev/null
+++ b/nix/dependency-analyzer/tests/default.nix
@@ -0,0 +1,36 @@
+{ depot, lib, ... }:
+
+let
+  inherit (depot.nix.runTestsuite)
+    runTestsuite
+    assertEq
+    it
+    ;
+
+  inherit (depot.nix.dependency-analyzer)
+    plainDrvDepMap
+    drvsToPaths
+    ;
+
+  knownDrvs = drvsToPaths (
+    builtins.filter lib.isDerivation (builtins.attrValues depot.third_party.lisp)
+  );
+  exampleMap = plainDrvDepMap knownDrvs;
+
+  # These will be needed to index into the attribute set which can't have context
+  # in the attribute names.
+  knownDrvsNoContext = builtins.map builtins.unsafeDiscardStringContext knownDrvs;
+in
+
+runTestsuite "dependency-analyzer" [
+  (it "checks plainDrvDepMap properties" [
+    (assertEq "all known drvs are marked known"
+      (builtins.all (drv: exampleMap.${drv}.known) knownDrvsNoContext)
+      true)
+    (assertEq "no unknown drv is marked known"
+      (builtins.all (entry: !entry.known) (
+        builtins.attrValues (builtins.removeAttrs exampleMap knownDrvsNoContext)
+      ))
+      true)
+  ])
+]