nixos/fcitx5: init tests

nixos/tests/all-tests.nix

@@ -217,6 +217,7 @@ in {
   extra-python-packages = handleTest ./extra-python-packages.nix {};
   evcc = handleTest ./evcc.nix {};
   fancontrol = handleTest ./fancontrol.nix {};
+  fcitx5 = handleTest ./fcitx5 {};
   fenics = handleTest ./fenics.nix {};
   ferm = handleTest ./ferm.nix {};
   firefox = handleTest ./firefox.nix { firefoxPackage = pkgs.firefox; };

nixos/tests/fcitx5/config

@@ -0,0 +1,11 @@
+[Hotkey]
+EnumerateSkipFirst=False
+
+[Hotkey/TriggerKeys]
+0=Control+space
+
+[Hotkey/EnumerateForwardKeys]
+0=Alt+Shift_L
+
+[Hotkey/EnumerateBackwardKeys]
+0=Alt+Shift_R

nixos/tests/fcitx5/default.nix

@@ -0,0 +1,127 @@
+import ../make-test-python.nix ({ pkgs, ... }:
+# copy_from_host works only for store paths
+rec {
+  name = "fcitx5";
+  nodes.machine = { pkgs, ... }:
+  {
+    imports = [
+      ../common/user-account.nix
+    ];
+
+    environment.systemPackages = [
+      # To avoid clashing with xfce4-terminal
+      pkgs.alacritty
+    ];
+
+    services.xserver = {
+      enable = true;
+
+      displayManager = {
+        lightdm.enable = true;
+        autoLogin = {
+          enable = true;
+          user = "alice";
+        };
+      };
+
+      desktopManager.xfce.enable = true;
+    };
+
+    i18n.inputMethod = {
+      enabled = "fcitx5";
+      fcitx5.addons = [
+        pkgs.fcitx5-m17n
+        pkgs.fcitx5-chinese-addons
+      ];
+    };
+  };
+
+  testScript = { nodes, ... }:
+    let
+      user = nodes.machine.users.users.alice;
+      xauth         = "${user.home}/.Xauthority";
+      fcitx_confdir = "${user.home}/.config/fcitx5";
+    in
+      ''
+            # We need config files before login session
+            # So copy first thing
+
+            # Point and click would be expensive,
+            # So configure using files
+            machine.copy_from_host(
+                "${./profile}",
+                "${fcitx_confdir}/profile",
+            )
+            machine.copy_from_host(
+                "${./config}",
+                "${fcitx_confdir}/config",
+            )
+
+            start_all()
+
+            machine.wait_for_file("${xauth}}")
+            machine.succeed("xauth merge ${xauth}")
+
+            machine.sleep(5)
+
+            machine.succeed("su - ${user.name} -c 'alacritty&'")
+            machine.succeed("su - ${user.name} -c 'fcitx5&'")
+            machine.sleep(10)
+
+            ### Type on terminal
+            machine.send_chars("echo ")
+            machine.sleep(1)
+
+            ### Start fcitx Unicode input
+            machine.send_key("ctrl-alt-shift-u")
+            machine.sleep(5)
+            machine.sleep(1)
+
+            ### Search for smiling face
+            machine.send_chars("smil")
+            machine.sleep(1)
+
+            ### Navigate to the second one
+            machine.send_key("tab")
+            machine.sleep(1)
+
+            ### Choose it
+            machine.send_key("\n")
+            machine.sleep(1)
+
+            ### Start fcitx language input
+            machine.send_key("ctrl-spc")
+            machine.sleep(1)
+
+            ### Default wubi, enter 一下
+            machine.send_chars("gggh")
+            machine.sleep(1)
+            machine.send_key("\n")
+            machine.sleep(1)
+
+            ### Switch to Harvard Kyoto
+            machine.send_key("alt-shift")
+            machine.sleep(1)
+
+            ### Enter क
+            machine.send_chars("ka ")
+            machine.sleep(1)
+
+            machine.send_key("alt-shift")
+            machine.sleep(1)
+
+            ### Turn off Fcitx
+            machine.send_key("ctrl-spc")
+            machine.sleep(1)
+
+            ### Redirect typed characters to a file
+            machine.send_chars(" > fcitx_test.out\n")
+            machine.sleep(1)
+            machine.screenshot("terminal_chars")
+
+            ### Verify that file contents are as expected
+            file_content = machine.succeed("cat ${user.home}/fcitx_test.out")
+            assert file_content == "☺一下क\n"
+            ''
+  ;
+})

nixos/tests/fcitx5/profile

@@ -0,0 +1,15 @@
+[Groups/0]
+Name=NixOS_test
+Default Layout=us
+DefaultIM=wbx
+
+[Groups/0/Items/0]
+Name=wbx
+Layout=us
+
+[Groups/0/Items/1]
+Name=m17n_sa_harvard-kyoto
+Layout=us
+
+[GroupOrder]
+0=NixOS_test