diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index d8187d8e019..8bef4fad3dd 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -701,6 +701,85 @@ in {
     '';
   };
 
+  bcachefsSimple = makeInstallerTest "bcachefs-simple" {
+    extraInstallerConfig = {
+      boot.supportedFilesystems = [ "bcachefs" ];
+    };
+
+    createPartitions = ''
+      machine.succeed(
+        "flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+        + " mkpart primary ext2 1M 100MB"          # /boot
+        + " mkpart primary linux-swap 100M 1024M"  # swap
+        + " mkpart primary 1024M -1s",             # /
+        "udevadm settle",
+        "mkswap /dev/vda2 -L swap",
+        "swapon -L swap",
+        "mkfs.bcachefs -L root /dev/vda3",
+        "mount -t bcachefs /dev/vda3 /mnt",
+        "mkfs.ext3 -L boot /dev/vda1",
+        "mkdir -p /mnt/boot",
+        "mount /dev/vda1 /mnt/boot",
+      )
+    '';
+  };
+
+  bcachefsEncrypted = makeInstallerTest "bcachefs-encrypted" {
+    extraInstallerConfig = {
+      boot.supportedFilesystems = [ "bcachefs" ];
+      environment.systemPackages = with pkgs; [ keyutils ];
+    };
+
+    # We don't want to use the normal way of unlocking bcachefs defined in tasks/filesystems/bcachefs.nix.
+    # So, override initrd.postDeviceCommands completely and simply unlock with the predefined password.
+    extraConfig = ''
+      boot.initrd.postDeviceCommands = lib.mkForce "echo password | bcachefs unlock /dev/vda3";
+    '';
+
+    createPartitions = ''
+      machine.succeed(
+        "flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+        + " mkpart primary ext2 1M 100MB"          # /boot
+        + " mkpart primary linux-swap 100M 1024M"  # swap
+        + " mkpart primary 1024M -1s",             # /
+        "udevadm settle",
+        "mkswap /dev/vda2 -L swap",
+        "swapon -L swap",
+        "keyctl link @u @s",
+        "echo password | mkfs.bcachefs -L root --encrypted /dev/vda3",
+        "echo password | bcachefs unlock /dev/vda3",
+        "mount -t bcachefs /dev/vda3 /mnt",
+        "mkfs.ext3 -L boot /dev/vda1",
+        "mkdir -p /mnt/boot",
+        "mount /dev/vda1 /mnt/boot",
+      )
+    '';
+  };
+
+  bcachefsMulti = makeInstallerTest "bcachefs-multi" {
+    extraInstallerConfig = {
+      boot.supportedFilesystems = [ "bcachefs" ];
+    };
+
+    createPartitions = ''
+      machine.succeed(
+        "flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+        + " mkpart primary ext2 1M 100MB"          # /boot
+        + " mkpart primary linux-swap 100M 1024M"  # swap
+        + " mkpart primary 1024M 4096M"            # /
+        + " mkpart primary 4096M -1s",             # /
+        "udevadm settle",
+        "mkswap /dev/vda2 -L swap",
+        "swapon -L swap",
+        "mkfs.bcachefs -L root --metadata_replicas 2 --foreground_target ssd --promote_target ssd --background_target hdd --label ssd /dev/vda3 --label hdd /dev/vda4",
+        "mount -t bcachefs /dev/vda3:/dev/vda4 /mnt",
+        "mkfs.ext3 -L boot /dev/vda1",
+        "mkdir -p /mnt/boot",
+        "mount /dev/vda1 /mnt/boot",
+      )
+    '';
+  };
+
   # Test a basic install using GRUB 1.
   grub1 = makeInstallerTest "grub1" rec {
     createPartitions = ''
diff --git a/pkgs/tools/filesystems/bcachefs-tools/default.nix b/pkgs/tools/filesystems/bcachefs-tools/default.nix
index bd8bf1adb9f..9abbe2e9a04 100644
--- a/pkgs/tools/filesystems/bcachefs-tools/default.nix
+++ b/pkgs/tools/filesystems/bcachefs-tools/default.nix
@@ -58,6 +58,7 @@ stdenv.mkDerivation {
 
   passthru.tests = {
     smoke-test = nixosTests.bcachefs;
+    inherit (nixosTests.installer) bcachefsSimple bcachefsEncrypted bcachefsMulti;
   };
 
   enableParallelBuilding = true;