chore(lib/treewide): cleanup directory struture of lib. See lib/readme.md for details

lib/inventory/distributed-service/tests/default.nix

@@ -0,0 +1,261 @@
+{
+  lib,
+  clanLib,
+  ...
+}:
+let
+  inherit (lib)
+    evalModules
+    ;
+
+  evalInventory =
+    m:
+    (evalModules {
+      # Static modules
+      modules = [
+        clanLib.inventory.interface
+        {
+          modules.test = { };
+        }
+        m
+      ];
+    }).config;
+
+  flakeInputsFixture = {
+  };
+
+  callInventoryAdapter =
+    inventoryModule:
+    clanLib.inventory.mapInstances {
+      flakeInputs = flakeInputsFixture;
+      inventory = evalInventory inventoryModule;
+    };
+in
+{
+  test_simple =
+    let
+      res = callInventoryAdapter {
+        # Authored module
+        # A minimal module looks like this
+        # It isn't exactly doing anything but it's a valid module that produces an output
+        modules."simple-module" = {
+          _class = "clan.service";
+          manifest = {
+            name = "netwitness";
+          };
+        };
+        # User config
+        instances."instance_foo" = {
+          module = {
+            name = "simple-module";
+          };
+        };
+      };
+    in
+    {
+      # Test that the module is mapped into the output
+      # We might change the attribute name in the future
+      expr = res.importedModulesEvaluated ? "self-simple-module";
+      expected = true;
+    };
+
+  # A module can be imported multiple times
+  # A module can also have multiple instances within the same module
+  # This mean modules must be grouped together, imported once
+  # All instances should be included within one evaluation to make all of them available
+  test_module_grouping =
+    let
+      res = callInventoryAdapter {
+        # Authored module
+        # A minimal module looks like this
+        # It isn't exactly doing anything but it's a valid module that produces an output
+        modules."A" = {
+          _class = "clan.service";
+          manifest = {
+            name = "A-name";
+          };
+
+          perMachine = { }: { };
+        };
+        modules."B" = {
+          _class = "clan.service";
+          manifest = {
+            name = "B-name";
+          };
+
+          perMachine = { }: { };
+        };
+        # User config
+        instances."instance_foo" = {
+          module = {
+            name = "A";
+          };
+        };
+        instances."instance_bar" = {
+          module = {
+            name = "B";
+          };
+        };
+        instances."instance_baz" = {
+          module = {
+            name = "A";
+          };
+        };
+      };
+    in
+    {
+      # Test that the module is mapped into the output
+      # We might change the attribute name in the future
+      expr = lib.mapAttrs (_n: v: builtins.length v) res.grouped;
+      expected = {
+        self-A = 2;
+        self-B = 1;
+      };
+    };
+
+  test_creates_all_instances =
+    let
+      res = callInventoryAdapter {
+        # Authored module
+        # A minimal module looks like this
+        # It isn't exactly doing anything but it's a valid module that produces an output
+        modules."A" = {
+          _class = "clan.service";
+          manifest = {
+            name = "network";
+          };
+
+          perMachine = { }: { };
+        };
+        instances."instance_foo" = {
+          module = {
+            name = "A";
+          };
+        };
+        instances."instance_bar" = {
+          module = {
+            name = "A";
+          };
+        };
+        instances."instance_zaza" = {
+          module = {
+            name = "B";
+          };
+        };
+      };
+    in
+    {
+      # Test that the module is mapped into the output
+      # We might change the attribute name in the future
+      expr = lib.attrNames res.importedModulesEvaluated.self-A.config.instances;
+      expected = [
+        "instance_bar"
+        "instance_foo"
+      ];
+    };
+
+  # Membership via roles
+  test_add_machines_directly =
+    let
+      res = callInventoryAdapter {
+        # Authored module
+        # A minimal module looks like this
+        # It isn't exactly doing anything but it's a valid module that produces an output
+        modules."A" = {
+          _class = "clan.service";
+          manifest = {
+            name = "network";
+          };
+          # Define a role without special behavior
+          roles.peer = { };
+
+          # perMachine = {}: {};
+        };
+        machines = {
+          jon = { };
+          sara = { };
+          hxi = { };
+        };
+        instances."instance_foo" = {
+          module = {
+            name = "A";
+          };
+          roles.peer.machines.jon = { };
+        };
+        instances."instance_bar" = {
+          module = {
+            name = "A";
+          };
+          roles.peer.machines.sara = { };
+        };
+        instances."instance_zaza" = {
+          module = {
+            name = "B";
+          };
+          roles.peer.tags.all = { };
+        };
+      };
+    in
+    {
+      # Test that the module is mapped into the output
+      # We might change the attribute name in the future
+      expr = lib.attrNames res.importedModulesEvaluated.self-A.config.result.allMachines;
+      expected = [
+        "jon"
+        "sara"
+      ];
+    };
+
+  # Membership via tags
+  test_add_machines_via_tags =
+    let
+      res = callInventoryAdapter {
+        # Authored module
+        # A minimal module looks like this
+        # It isn't exactly doing anything but it's a valid module that produces an output
+        modules."A" = {
+          _class = "clan.service";
+          manifest = {
+            name = "network";
+          };
+          # Define a role without special behavior
+          roles.peer = { };
+
+          # perMachine = {}: {};
+        };
+        machines = {
+          jon = {
+            tags = [ "foo" ];
+          };
+          sara = {
+            tags = [ "foo" ];
+          };
+          hxi = { };
+        };
+        instances."instance_foo" = {
+          module = {
+            name = "A";
+          };
+          roles.peer.tags.foo = { };
+        };
+        instances."instance_zaza" = {
+          module = {
+            name = "B";
+          };
+          roles.peer.tags.all = { };
+        };
+      };
+    in
+    {
+      # Test that the module is mapped into the output
+      # We might change the attribute name in the future
+      expr = lib.attrNames res.importedModulesEvaluated.self-A.config.result.allMachines;
+      expected = [
+        "jon"
+        "sara"
+      ];
+    };
+
+  per_machine_args = import ./per_machine_args.nix { inherit lib callInventoryAdapter; };
+  per_instance_args = import ./per_instance_args.nix { inherit lib callInventoryAdapter; };
+}