libtests: outfactor in preparation of lib/flake.nix

lib/pkgs-lib/tests/default.nix

@@ -1,4 +1,4 @@
-{ pkgs-lib, pkgs, system, inputs, nixos, lib, ... }:
+{ pkgs, system, inputs, nixos, lib, ... }:
 let
   mkChecks = { hosts, nodes, homes ? { } }:
     let
@@ -7,8 +7,7 @@ let
         nodes;
       deployChecks = inputs.deploy.lib.${system}.deployChecks { nodes = deployHosts; };
       tests =
-        { libTests = libTests; }
+        lib.optionalAttrs (deployHosts != { }) {
-        // lib.optionalAttrs (deployHosts != { }) {
           profilesTest = profilesTest (hosts.${(builtins.head (builtins.attrNames deployHosts))});
         } // lib.mapAttrs (n: v: v.activationPackage) homes;
 
@@ -51,33 +50,5 @@ let
       machine.systemctl("is-system-running --wait")
     '';
   };
-
-  libTests = pkgs.runCommandNoCC "devos-lib-tests"
-    {
-      buildInputs = [
-        pkgs.nix
-        (
-          let tests = pkgs-lib.callLibs ./lib.nix;
 in
-          if tests == [ ]
+{ inherit mkTest profilesTest mkChecks; }
-          then null
-          else throw (builtins.toJSON tests)
-        )
-      ];
-    } ''
-    datadir="${pkgs.nix}/share"
-    export TEST_ROOT=$(pwd)/test-tmp
-    export NIX_BUILD_HOOK=
-    export NIX_CONF_DIR=$TEST_ROOT/etc
-    export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
-    export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
-    export NIX_STATE_DIR=$TEST_ROOT/var/nix
-    export NIX_STORE_DIR=$TEST_ROOT/store
-    export PAGER=cat
-    cacheDir=$TEST_ROOT/binary-cache
-    nix-store --init
-
-    touch $out
-  '';
-in
-{ inherit mkTest libTests profilesTest mkChecks; }

lib/tests/default.nix

@@ -0,0 +1,27 @@
+{ pkgs, lib, dev, ... }:
+
+pkgs.runCommandNoCC "devos-lib-tests"
+    {
+      buildInputs = [
+        pkgs.nix
+        (
+          let tests = import ./lib.nix { inherit pkgs lib dev; }; in
+            if tests == [ ] then null
+            else throw (builtins.toJSON tests)
+        )
+      ];
+    } ''
+    datadir="${pkgs.nix}/share"
+    export TEST_ROOT=$(pwd)/test-tmp
+    export NIX_BUILD_HOOK=
+    export NIX_CONF_DIR=$TEST_ROOT/etc
+    export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
+    export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
+    export NIX_STATE_DIR=$TEST_ROOT/var/nix
+    export NIX_STORE_DIR=$TEST_ROOT/store
+    export PAGER=cat
+    cacheDir=$TEST_ROOT/binary-cache
+    nix-store --init
+
+    touch $out
+  ''

lib/tests/lib.nix

@@ -0,0 +1,93 @@
+{ pkgs, lib, dev, ... }:
+with dev;
+lib.runTests {
+  testConcatAttrs = {
+    expr = concatAttrs [{ foo = 1; } { bar = 2; } { baz = 3; }];
+
+    expected = { foo = 1; bar = 2; baz = 3; };
+  };
+
+  testGenAttrs' = {
+    expr = genAttrs'
+      [ "/foo/bar" "/baz/buzz" ]
+      (path: {
+        name = baseNameOf path;
+        value = "${path}/fizz";
+      });
+
+    expected = { bar = "/foo/bar/fizz"; buzz = "/baz/buzz/fizz"; };
+  };
+
+  testMapFilterAttrs = {
+    expr = mapFilterAttrs
+      (n: v: n == "foobar" && v == 1)
+      (n: v: lib.nameValuePair ("${n}bar") (v + 1))
+      { foo = 0; bar = 2; };
+
+    expected = { foobar = 1; };
+  };
+
+  testPathsIn = {
+    expr = pathsIn (toString ./testPathsIn);
+
+    expected = map toString [
+      ./testPathsIn/bar
+      ./testPathsIn/baz
+      ./testPathsIn/foo
+    ];
+  };
+
+  testPathsToImportedAttrs = {
+    expr =
+      pathsToImportedAttrs [
+        (toString ./testPathsToImportedAttrs/dir)
+        ./testPathsToImportedAttrs/foo.nix
+        ./testPathsToImportedAttrs/bar.nix
+        ./testPathsToImportedAttrs/t.nix
+        ./testPathsToImportedAttrs/f.nix
+      ];
+
+    expected = {
+      dir = { a = 5; };
+      foo = { bar = 1; };
+      bar = { foo = 2; };
+      t = true;
+      f = false;
+    };
+  };
+
+  testRgxToString = lib.testAllTrue [
+    (rgxToString ".+x" "vxk" == "vx")
+    (rgxToString "^fo" "foo" == "fo")
+    (rgxToString "a?" "a" == "a")
+    (rgxToString "hat" "foohatbar" == "hat")
+  ];
+
+  testSafeReadDir = {
+    expr = safeReadDir ./profiles // safeReadDir ./nonexistentdir;
+    expected = {
+      foo = "directory";
+      t = "directory";
+    };
+  };
+
+  testSuites =
+    let
+      profiles = os.mkProfileAttrs (toString ./profiles);
+      users = "";
+      userProfiles = "";
+      suites = { profiles, ... }: {
+        system.bar = [ profiles.foo ];
+      };
+    in
+    {
+      expr = os.mkSuites { inherit profiles users userProfiles suites; };
+      expected = {
+        system = {
+          bar = [ profiles.foo.default ];
+          allProfiles = [ profiles.foo.default profiles.t.default ];
+          allUsers = [ ];
+        };
+      };
+    };
+}