6 files changed, 143 insertions, 0 deletions
diff --git a/lib/tests/modules/types-anything/attrs-coercible.nix b/lib/tests/modules/types-anything/attrs-coercible.nix
new file mode 100644
index 00000000000..085cbd638f1
--- /dev/null
+++ b/lib/tests/modules/types-anything/attrs-coercible.nix
@@ -0,0 +1,12 @@
+{ lib, ... }: {
+
+  options.value = lib.mkOption {
+    type = lib.types.anything;
+  };
+
+  config.value = {
+    outPath = "foo";
+    err = throw "err";
+  };
+
+}
diff --git a/lib/tests/modules/types-anything/equal-atoms.nix b/lib/tests/modules/types-anything/equal-atoms.nix
new file mode 100644
index 00000000000..972711201a0
--- /dev/null
+++ b/lib/tests/modules/types-anything/equal-atoms.nix
@@ -0,0 +1,26 @@
+{ lib, ... }: {
+
+  options.value = lib.mkOption {
+    type = lib.types.anything;
+  };
+
+  config = lib.mkMerge [
+    {
+      value.int = 0;
+      value.bool = false;
+      value.string = "";
+      value.path = /.;
+      value.null = null;
+      value.float = 0.1;
+    }
+    {
+      value.int = 0;
+      value.bool = false;
+      value.string = "";
+      value.path = /.;
+      value.null = null;
+      value.float = 0.1;
+    }
+  ];
+
+}
diff --git a/lib/tests/modules/types-anything/functions.nix b/lib/tests/modules/types-anything/functions.nix
new file mode 100644
index 00000000000..21edd4aff9c
--- /dev/null
+++ b/lib/tests/modules/types-anything/functions.nix
@@ -0,0 +1,23 @@
+{ lib, config, ... }: {
+
+  options.value = lib.mkOption {
+    type = lib.types.anything;
+  };
+
+  options.applied = lib.mkOption {
+    default = lib.mapAttrs (name: fun: fun null) config.value;
+  };
+
+  config = lib.mkMerge [
+    {
+      value.single-lambda = x: x;
+      value.multiple-lambdas = x: { inherit x; };
+      value.merging-lambdas = x: { inherit x; };
+    }
+    {
+      value.multiple-lambdas = x: [ x ];
+      value.merging-lambdas = y: { inherit y; };
+    }
+  ];
+
+}
diff --git a/lib/tests/modules/types-anything/lists.nix b/lib/tests/modules/types-anything/lists.nix
new file mode 100644
index 00000000000..bd846afd3d1
--- /dev/null
+++ b/lib/tests/modules/types-anything/lists.nix
@@ -0,0 +1,16 @@
+{ lib, ... }: {
+
+  options.value = lib.mkOption {
+    type = lib.types.anything;
+  };
+
+  config = lib.mkMerge [
+    {
+      value = [ null ];
+    }
+    {
+      value = [ null ];
+    }
+  ];
+
+}
diff --git a/lib/tests/modules/types-anything/mk-mods.nix b/lib/tests/modules/types-anything/mk-mods.nix
new file mode 100644
index 00000000000..f84ad01df01
--- /dev/null
+++ b/lib/tests/modules/types-anything/mk-mods.nix
@@ -0,0 +1,44 @@
+{ lib, ... }: {
+
+  options.value = lib.mkOption {
+    type = lib.types.anything;
+  };
+
+  config = lib.mkMerge [
+    {
+      value.mkiffalse = lib.mkIf false {};
+    }
+    {
+      value.mkiftrue = lib.mkIf true {};
+    }
+    {
+      value.mkdefault = lib.mkDefault 0;
+    }
+    {
+      value.mkdefault = 1;
+    }
+    {
+      value.mkmerge = lib.mkMerge [
+        {}
+      ];
+    }
+    {
+      value.mkbefore = lib.mkBefore true;
+    }
+    {
+      value.nested = lib.mkMerge [
+        {
+          foo = lib.mkDefault 0;
+          bar = lib.mkIf false 0;
+        }
+        (lib.mkIf true {
+          foo = lib.mkIf true (lib.mkForce 1);
+          bar = {
+            baz = lib.mkDefault "baz";
+          };
+        })
+      ];
+    }
+  ];
+
+}
diff --git a/lib/tests/modules/types-anything/nested-attrs.nix b/lib/tests/modules/types-anything/nested-attrs.nix
new file mode 100644
index 00000000000..e57d33ef871
--- /dev/null
+++ b/lib/tests/modules/types-anything/nested-attrs.nix
@@ -0,0 +1,22 @@
+{ lib, ... }: {
+
+  options.value = lib.mkOption {
+    type = lib.types.anything;
+  };
+
+  config = lib.mkMerge [
+    {
+      value.foo = null;
+    }
+    {
+      value.l1.foo = null;
+    }
+    {
+      value.l1.l2.foo = null;
+    }
+    {
+      value.l1.l2.l3.foo = null;
+    }
+  ];
+
+}