reset: Initial tmt test for factory reset

Author: ckyrouac

crates/lib/src/cli.rs

@@ -34,7 +34,7 @@ use crate::bootc_composefs::{
     finalize::composefs_native_finalize, rollback::composefs_rollback, status::composefs_booted,
     switch::switch_composefs, update::upgrade_composefs,
 };
-use crate::deploy::{MergeState, RequiredHostSpec, RequiredHostSpec};
+use crate::deploy::{MergeState, RequiredHostSpec};
 use crate::lints;
 use crate::progress_jsonl::{ProgressWriter, RawProgressFd};
 use crate::spec::Host;

tmt/plans/integration.fmf

@@ -53,3 +53,10 @@ execute:
     how: fmf
     test:
         - /tmt/tests/test-25-soft-reboot
+
+/test-26-factory-reset:
+  summary: Factory reset
+  discover:
+    how: fmf
+    test:
+        - /tmt/tests/test-26-factory-reset

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

@@ -0,0 +1,56 @@
+use std assert
+use tap.nu
+
+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)
+
+    # Store the original deployment hash in a file
+    let status = bootc status --json | from json
+    let orig_stateroot = $status.status.booted.ostree.stateroot
+    $orig_stateroot | save /var/tmp/tmt/orig_stateroot
+
+    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"
+
+    print "Copying tmt into new stateroot"
+    mount -o remount,rw /sysroot
+    let stateroot = ls /sysroot/ostree/deploy
+    cp -r /var/tmp/tmt $"($stateroot.1.name)/var/tmp"
+    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
+    let new_stateroot = $status.status.booted.ostree.stateroot
+    let orig_stateroot = open /var/tmp/tmt/orig_stateroot
+    assert ($orig_stateroot != $new_stateroot) "Should be booted into a new deployment"
+
+    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-26-factory-reset.fmf

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