programs.khal: add settings option (#4375)

tests/modules/programs/khal/config.nix

@@ -1,7 +1,15 @@
 { ... }:
 
 {
-  programs.khal.enable = true;
+  programs.khal = {
+    enable = true;
+    settings = {
+      default.timedelta = "5d";
+      view.agenda_event_format =
+        "{calendar-color}{cancelled}{start-end-time-style} {title}{repeat-symbol}{reset}";
+    };
+
+  };
   accounts.calendar = {
     basePath = "$XDG_CONFIG_HOME/cal";
     accounts = {
@@ -27,6 +35,8 @@
   test.stubs = { khal = { }; };
 
   nmt.script = ''
-    assertFileExists home-files/.config/khal/config
+    configFile=home-files/.config/khal/config
+    assertFileExists $configFile
+    assertFileContent $configFile ${./khal-config-expected}
   '';
 }

tests/modules/programs/khal/khal-config-expected

@@ -0,0 +1,26 @@
+[calendars]
+[[test]]
+path = /home/hm-user/$XDG_CONFIG_HOME/cal/test/
+readonly = True
+priority=10
+type=calendar
+
+
+
+[default]
+default_calendar=test
+highlight_event_days=true
+timedelta=5d
+
+[locale]
+dateformat=%x
+datetimeformat=%c
+firstweekday=0
+longdateformat=%x
+longdatetimeformat=%c
+timeformat=%X
+unicode_symbols=true
+weeknumbers=off
+
+[view]
+agenda_event_format={calendar-color}{cancelled}{start-end-time-style} {title}{repeat-symbol}{reset}