tests: reduce number of downloads

This replaces some derivation outputs by simple strings rather than
full Nix store paths. This removes the need to download the whole
derivation when all we need is a static string.

tests/modules/misc/xsession/basic.nix

@@ -14,6 +14,16 @@ with lib;
       profileExtra = "profile extra commands";
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        xorg = super.xorg // {
+          setxkbmap = super.xorg.setxkbmap // {
+            outPath = "@setxkbmap@";
+          };
+        };
+     })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.xprofile
       assertFileContent \
@@ -28,10 +38,7 @@ with lib;
       assertFileExists home-files/.config/systemd/user/setxkbmap.service
       assertFileContent \
         home-files/.config/systemd/user/setxkbmap.service \
-        ${pkgs.substituteAll {
+        ${./basic-setxkbmap-expected.service}
-          src = ./basic-setxkbmap-expected.service;
-          inherit (pkgs.xorg) setxkbmap;
-        }}
     '';
   };
 }

tests/modules/misc/xsession/keyboard-without-layout.nix

@@ -20,14 +20,21 @@ with lib;
       profileExtra = "profile extra commands";
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        xorg = super.xorg // {
+          setxkbmap = super.xorg.setxkbmap // {
+            outPath = "@setxkbmap@";
+          };
+        };
+     })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.config/systemd/user/setxkbmap.service
       assertFileContent \
         home-files/.config/systemd/user/setxkbmap.service \
-        ${pkgs.substituteAll {
+        ${./keyboard-without-layout-expected.service}
-          src = ./keyboard-without-layout-expected.service;
-          inherit (pkgs.xorg) setxkbmap;
-        }}
     '';
   };
 }

tests/modules/programs/alacritty/empty-settings.nix

@@ -6,6 +6,12 @@ with lib;
   config = {
     programs.alacritty.enable = true;
 
+    nixpkgs.overlays = [
+      (self: super: {
+        alacritty = pkgs.writeScriptBin "dummy-alacritty" "";
+      })
+    ];
+
     nmt.script = ''
       assertPathNotExists home-files/.config/alacritty
     '';

tests/modules/programs/alacritty/example-settings.nix

@@ -23,6 +23,12 @@ with lib;
       };
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        alacritty = pkgs.writeScriptBin "dummy-alacritty" "";
+      })
+    ];
+
     nmt.script = ''
       assertFileContent \
         home-files/.config/alacritty/alacritty.yml \

tests/modules/programs/bash/session-variables-expected.txt

@@ -1,6 +1,6 @@
 # -*- mode: sh -*-
 
-. "@homeDirectory@/.nix-profile/etc/profile.d/hm-session-vars.sh"
+. "/home/testuser/.nix-profile/etc/profile.d/hm-session-vars.sh"
 
 export V1="v1"
 export V2="v2-v1"

tests/modules/programs/bash/session-variables.nix

@@ -13,16 +13,13 @@ with lib;
       };
     };
 
+    home.homeDirectory = "/home/testuser";
+
     nmt.script = ''
       assertFileExists home-files/.profile
       assertFileContent \
         home-files/.profile \
-        ${
+        ${./session-variables-expected.txt}
-          pkgs.substituteAll {
-            src = ./session-variables-expected.txt;
-            inherit (config.home) homeDirectory;
-          }
-        }
     '';
   };
 }

tests/modules/programs/firefox/profile-settings.nix

@@ -11,6 +11,24 @@ with lib;
       };
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        firefox-unwrapped =
+          pkgs.runCommand
+            "firefox-0"
+            {
+              meta.description = "I pretend to be Firefox";
+              preferLocalBuild = true;
+              allowSubstitutes = false;
+            }
+            ''
+              mkdir -p "$out/bin"
+              touch "$out/bin/firefox"
+              chmod 755 "$out/bin/firefox"
+            '';
+      })
+    ];
+
     nmt.script = ''
       assertFileRegex \
         home-path/bin/firefox \

tests/modules/programs/firefox/state-version-19_09.nix

@@ -8,6 +8,24 @@ with lib;
 
     programs.firefox.enable = true;
 
+    nixpkgs.overlays = [
+      (self: super: {
+        firefox-unwrapped =
+          pkgs.runCommand
+            "firefox-0"
+            {
+              meta.description = "I pretend to be Firefox";
+              preferLocalBuild = true;
+              allowSubstitutes = false;
+            }
+            ''
+              mkdir -p "$out/bin"
+              touch "$out/bin/firefox"
+              chmod 755 "$out/bin/firefox"
+            '';
+      })
+    ];
+
     nmt.script = ''
       assertFileRegex \
         home-path/bin/firefox \

tests/modules/programs/git-with-email.nix

@@ -8,6 +8,7 @@ with lib;
   config = {
     programs.git = {
       enable = true;
+      package = pkgs.gitMinimal;
       userEmail = "hm@example.com";
       userName = "H. M. Test";
     };

tests/modules/programs/git-with-str-extra-config.nix

@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -6,6 +6,7 @@ with lib;
   config = {
     programs.git = {
       enable = true;
+      package = pkgs.gitMinimal;
       extraConfig = ''
         This can be anything.
       '';

tests/modules/programs/git.nix

@@ -24,6 +24,7 @@ in
     programs.git = mkMerge [
       {
         enable = true;
+        package = pkgs.gitMinimal;
         aliases = {
           a1 = "foo";
           a2 = "bar";

tests/modules/programs/gpg/override-defaults.nix

@@ -14,6 +14,12 @@ with lib;
       };
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        gnupg = pkgs.writeScriptBin "dummy-gnupg" "";
+      })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.gnupg/gpg.conf
       assertFileContent home-files/.gnupg/gpg.conf ${./override-defaults-expected.conf}

tests/modules/programs/tmux/disable-confirmation-prompt.nix

@@ -2,27 +2,27 @@
 
 with lib;
 
-let
-
-  substituteExpected = path: pkgs.substituteAll {
-    src = path;
-
-    sensible_rtp = pkgs.tmuxPlugins.sensible.rtp;
-  };
-  
-in
-
 {
   config = {
     programs.tmux = {
       enable = true;
       disableConfirmationPrompt = true;
     };
-  
+
+    nixpkgs.overlays = [
+      (self: super: {
+        tmuxPlugins = super.tmuxPlugins // {
+          sensible = super.tmuxPlugins.sensible // {
+            rtp = "@sensible_rtp@";
+          };
+        };
+      })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.tmux.conf
       assertFileContent home-files/.tmux.conf \
-        ${substituteExpected ./disable-confirmation-prompt.conf}
+        ${./disable-confirmation-prompt.conf}
     '';
   };
 }

tests/modules/programs/tmux/emacs-with-plugins.conf

@@ -37,18 +37,18 @@ set  -g history-limit     2000
 # tmuxplugin-logging
 # ---------------------
 
-run-shell @tmuxplugin_logging@/share/tmux-plugins/logging/logging.tmux
+run-shell @tmuxplugin_logging_rtp@
 
 
 # tmuxplugin-prefix-highlight
 # ---------------------
 
-run-shell @tmuxplugin_prefix_highlight@/share/tmux-plugins/prefix-highlight/prefix_highlight.tmux
+run-shell @tmuxplugin_prefix_highlight_rtp@
 
 
 # tmuxplugin-fzf-tmux-url
 # ---------------------
 
-run-shell @tmuxplugin_fzf_tmux_url@/share/tmux-plugins/fzf-tmux-url/fzf-url.tmux
+run-shell @tmuxplugin_fzf_tmux_url_rtp@
 
 # ============================================= #

tests/modules/programs/tmux/emacs-with-plugins.nix

@@ -2,19 +2,6 @@
 
 with lib;
 
-let
-
-  substituteExpected = path: pkgs.substituteAll {
-    src = path;
-
-    tmuxplugin_fzf_tmux_url = pkgs.tmuxPlugins.fzf-tmux-url;
-    tmuxplugin_logging = pkgs.tmuxPlugins.logging;
-    tmuxplugin_prefix_highlight = pkgs.tmuxPlugins.prefix-highlight;
-    tmuxplugin_sensible_rtp = pkgs.tmuxPlugins.sensible.rtp;
-  };
-
-in
-
 {
   config = {
     programs.tmux = {
@@ -32,10 +19,31 @@ in
       ];
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        tmuxPlugins = super.tmuxPlugins // {
+          fzf-tmux-url = super.tmuxPlugins.fzf-tmux-url // {
+            rtp = "@tmuxplugin_fzf_tmux_url_rtp@";
+          };
+
+          logging = super.tmuxPlugins.logging // {
+            rtp = "@tmuxplugin_logging_rtp@";
+          };
+
+          prefix-highlight = super.tmuxPlugins.prefix-highlight // {
+            rtp = "@tmuxplugin_prefix_highlight_rtp@";
+          };
+
+          sensible = super.tmuxPlugins.sensible // {
+            rtp = "@tmuxplugin_sensible_rtp@";
+          };
+        };
+      })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.tmux.conf
-      assertFileContent home-files/.tmux.conf \
+      assertFileContent home-files/.tmux.conf ${./emacs-with-plugins.conf}
-        ${substituteExpected ./emacs-with-plugins.conf}
     '';
   };
 }

tests/modules/programs/tmux/vi-all-true.nix

@@ -2,15 +2,7 @@
 
 with lib;
 
-let
+{
-
-  substituteExpected = path: pkgs.substituteAll {
-    src = path;
-
-    sensible_rtp = pkgs.tmuxPlugins.sensible.rtp;
-  };
-
-in {
   config = {
     programs.tmux = {
       aggressiveResize = true;
@@ -21,10 +13,19 @@ in {
       reverseSplit = true;
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        tmuxPlugins = super.tmuxPlugins // {
+          sensible = super.tmuxPlugins.sensible // {
+            rtp = "@sensible_rtp@";
+          };
+        };
+      })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.tmux.conf
-      assertFileContent home-files/.tmux.conf \
+      assertFileContent home-files/.tmux.conf ${./vi-all-true.conf}
-        ${substituteExpected ./vi-all-true.conf}
     '';
   };
 }

tests/modules/programs/zsh/session-variables.nix

@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -13,6 +13,12 @@ with lib;
       };
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        zsh = pkgs.writeScriptBin "dummy-zsh" "";
+      })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.zshrc
       assertFileRegex home-files/.zshrc 'export V1="v1"'

tests/modules/services/window-managers/i3-keybindings-expected.conf

@@ -0,0 +1,100 @@
+font pango:monospace 8
+floating_modifier Mod1
+new_window normal 2
+new_float normal 2
+hide_edge_borders none
+force_focus_wrapping no
+focus_follows_mouse yes
+focus_on_window_activation smart
+mouse_warping output
+workspace_layout default
+
+client.focused #4c7899 #285577 #ffffff #2e9ef4 #285577
+client.focused_inactive #333333 #5f676a #ffffff #484e50 #5f676a
+client.unfocused #333333 #222222 #888888 #292d2e #222222
+client.urgent #2f343a #900000 #ffffff #900000 #900000
+client.placeholder #000000 #0c0c0c #ffffff #000000 #0c0c0c
+client.background #ffffff
+
+bindsym Mod1+1 workspace 1
+bindsym Mod1+2 workspace 2
+bindsym Mod1+3 workspace 3
+bindsym Mod1+4 workspace 4
+bindsym Mod1+5 workspace 5
+bindsym Mod1+6 workspace 6
+bindsym Mod1+7 workspace 7
+bindsym Mod1+8 workspace 8
+bindsym Mod1+9 workspace 9
+bindsym Mod1+Down focus down
+bindsym Mod1+Invented invented-key-command
+bindsym Mod1+Left overridden-command
+bindsym Mod1+Return exec i3-sensible-terminal
+
+bindsym Mod1+Shift+1 move container to workspace 1
+bindsym Mod1+Shift+2 move container to workspace 2
+bindsym Mod1+Shift+3 move container to workspace 3
+bindsym Mod1+Shift+4 move container to workspace 4
+bindsym Mod1+Shift+5 move container to workspace 5
+bindsym Mod1+Shift+6 move container to workspace 6
+bindsym Mod1+Shift+7 move container to workspace 7
+bindsym Mod1+Shift+8 move container to workspace 8
+bindsym Mod1+Shift+9 move container to workspace 9
+bindsym Mod1+Shift+Down move down
+bindsym Mod1+Shift+Left move left
+bindsym Mod1+Shift+Right move right
+bindsym Mod1+Shift+Up move up
+bindsym Mod1+Shift+c reload
+bindsym Mod1+Shift+e exec i3-nagbar -t warning -m 'Do you want to exit i3?' -b 'Yes' 'i3-msg exit'
+bindsym Mod1+Shift+q kill
+bindsym Mod1+Shift+r restart
+bindsym Mod1+Shift+space floating toggle
+bindsym Mod1+Up focus up
+bindsym Mod1+d exec @dmenu@/bin/dmenu_run
+bindsym Mod1+e layout toggle split
+bindsym Mod1+f fullscreen toggle
+bindsym Mod1+h split h
+bindsym Mod1+r mode resize
+bindsym Mod1+s layout stacking
+bindsym Mod1+space focus mode_toggle
+bindsym Mod1+v split v
+bindsym Mod1+w layout tabbed
+
+mode "resize" {
+bindsym Down resize grow height 10 px or 10 ppt
+bindsym Escape mode default
+bindsym Left resize shrink width 10 px or 10 ppt
+bindsym Return mode default
+bindsym Right resize grow width 10 px or 10 ppt
+bindsym Up resize shrink height 10 px or 10 ppt
+}
+
+
+bar {
+  
+  font pango:monospace 8
+  mode dock
+  hidden_state hide
+  position bottom
+  status_command @i3status@/bin/i3status
+  i3bar_command @i3@/bin/i3bar
+  workspace_buttons yes
+  strip_workspace_numbers no
+  tray_output primary
+  colors {
+    background #000000
+    statusline #ffffff
+    separator #666666
+    focused_workspace #4c7899 #285577 #ffffff
+    active_workspace #333333 #5f676a #ffffff
+    inactive_workspace #333333 #222222 #888888
+    urgent_workspace #2f343a #900000 #ffffff
+    binding_mode #2f343a #900000 #ffffff
+  }
+  
+}
+
+
+
+
+
+

tests/modules/services/window-managers/i3-keybindings.nix

@@ -18,17 +18,26 @@ with lib;
           };
     };
 
+    nixpkgs.overlays = [
+      (self: super: {
+        dmenu = super.dmenu // {
+          outPath = "@dmenu@";
+        };
+
+        i3 = super.i3 // {
+          outPath = "@i3@";
+        };
+
+        i3status = super.i3status // {
+          outPath = "@i3status@";
+        };
+      })
+    ];
+
     nmt.script = ''
       assertFileExists home-files/.config/i3/config
-
+      assertFileContent home-files/.config/i3/config \
-      assertFileRegex home-files/.config/i3/config \
+        ${./i3-keybindings-expected.conf}
-        'bindsym Mod1+Left overridden-command'
-
-      assertFileNotRegex home-files/.config/i3/config \
-        'Mod1+Right'
-
-      assertFileRegex home-files/.config/i3/config \
-        'bindsym Mod1+Invented invented-key-command'
     '';
   };
 }