reset: Initial tmt test for factory reset

Signed-off-by: ckyrouac <[email protected]>

Author: ckyrouac

crates/lib/src/cli.rs

@@ -42,7 +42,7 @@ use crate::bootc_composefs::{
     switch::switch_composefs,
     update::upgrade_composefs,
 };
-use crate::deploy::{MergeState, RequiredHostSpec, RequiredHostSpec};
+use crate::deploy::{MergeState, RequiredHostSpec};
 use crate::lints;
 use crate::podstorage::set_additional_image_store;
 use crate::progress_jsonl::{ProgressWriter, RawProgressFd};

tmt/plans/integration.fmf

@@ -105,3 +105,10 @@ execute:
     - when: running_env != image_mode
       enabled: false
       because: tmt-reboot does not work with systemd reboot in testing farm environment
+
+/test-28-factory-reset:
+  summary: Factory reset
+  discover:
+    how: fmf
+    test:
+        - /tmt/tests/test-28-factory-reset

tmt/tests/booted/test-factory-reset.nu

@@ -0,0 +1,69 @@
+use std assert
+use tap.nu
+
+bootc status
+
+def initial_build [] {
+    tap begin "factory reset test"
+
+    # Create test files that should be removed after factory reset
+    print "Creating test files in /var and /etc"
+    echo "test file in var" | save /var/test-file-factory-reset
+    echo "test file in etc" | save /etc/test-file-factory-reset
+
+    # Verify files were created
+    assert ("/var/test-file-factory-reset" | path exists)
+    assert ("/etc/test-file-factory-reset" | path exists)
+
+    bootc install reset --experimental
+
+    # sanity check that bootc status shows a new deployment with a non default stateroot
+    let reset_status = bootc status --json | from json
+    assert not equal $reset_status.status.otherDeployments.0.ostree.stateroot "default"
+
+    # we need tmt in the new stateroot for second_boot
+    print "Copying tmt into new stateroot"
+
+    # Get the new stateroot name from the staged deployment
+    let new_stateroot = $reset_status.status.otherDeployments.0.ostree.stateroot
+    print $"New stateroot: ($new_stateroot)"
+
+    # Mount /sysroot as read-write and copy tmt directory to the new deployment
+    mount -o remount,rw /sysroot
+
+    let new_stateroot_path = $"/sysroot/ostree/deploy/($new_stateroot)"
+
+    # locate the workdir_root by looking backwards from a known static dir (TMT_PLAN_DATA)
+    # e.g. TMT_PLAN_DATA=/var/tmp/tmt/run-035/tmt/plans/integration/test-28-factory-reset/data
+    let workdir_root = ($env.TMT_PLAN_DATA | path dirname | path dirname | path dirname | path dirname | path dirname | path dirname )
+
+    # make sure workdir_root's full path exists in new stateroot
+    mkdir $"($new_stateroot_path)/($workdir_root)"
+
+    # nu's cp doesn't have -T
+    /usr/bin/cp -r -T $workdir_root $"($new_stateroot_path)/($workdir_root)"
+
+    tmt-reboot
+}
+
+# The second boot; verify we're in the factory reset deployment
+def second_boot [] {
+    print "Verifying factory reset completed successfully"
+    let status = bootc status --json | from json
+    assert not equal $status.status.booted.ostree.stateroot "default"
+
+    print "Checking that test files do not exist in the reset deployment"
+    assert (not ("/var/test-file-factory-reset" | path exists)) "Test file in /var should not exist after factory reset"
+    assert (not ("/etc/test-file-factory-reset" | path exists)) "Test file in /etc should not exist after factory reset"
+    print "Factory reset verification completed successfully"
+    tap ok
+}
+
+def main [] {
+    # See https://tmt.readthedocs.io/en/stable/stories/features.html#reboot-during-test
+    match $env.TMT_REBOOT_COUNT? {
+        null | "0" => initial_build,
+        "1" => second_boot,
+        $o => { error make { msg: $"Invalid TMT_REBOOT_COUNT ($o)" } },
+    }
+}

tmt/tests/test-28-factory-reset.fmf

@@ -0,0 +1,3 @@
+summary: Execute factory reset tests
+test: nu booted/test-factory-reset.nu
+duration: 30m