feat(test-framework): add staged test execution system#152
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Add TestStage enum (EarlyBoot, PostScheduler, ProcessContext, Userspace) to allow tests to declare their boot stage requirements. Tests are only run when their required stage is reached. Changes: - Add TestStage enum with 4 stages and stage field to TestDef - Update executor to track current stage and filter tests by stage - Add advance_to_stage() function to trigger staged test execution - Add ProcessContext stage advancement after user process creation - Fix telnetd_dependencies_aarch64 test to use compile-time checks - Add trace-snapshot-fixtures.md planning document All 80 ARM64 tests now pass. The staged infrastructure is ready for future tests that need specific boot contexts. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Each test stage gets its own color in the progress bar: - Green: EarlyBoot tests - Blue: PostScheduler tests - Yellow: ProcessContext tests - Purple: Userspace tests As tests complete, their stage's color fills the bar from left to right, showing which stages have executed. This provides visual feedback on boot progress through different test phases. Changes: - Add per-stage completion tracking to progress.rs - Update executor to track per-stage completions - Update display to render colored bar segments Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add missing stage triggers and tests to make the staged test execution system fully operational: Stage Triggers: - PostScheduler: After EarlyBoot tests complete in executor.rs - Userspace (x86_64): On first Ring 3 syscall in handler.rs - Userspace (ARM64): On first EL0 syscall in syscall_entry.rs New Tests by Stage: - PostScheduler: test_kthread_spawn_verify, test_workqueue_operational - ProcessContext: test_current_thread_exists, test_process_list_populated - Userspace: test_userspace_syscall_confirmed The test framework now automatically advances through all four stages (EarlyBoot -> PostScheduler -> ProcessContext -> Userspace) as the kernel boots, running stage-appropriate tests at each point. Progress bars show color-coded segments for each stage: - Green: EarlyBoot tests - Blue: PostScheduler tests - Yellow: ProcessContext tests - Purple: Userspace tests Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The Userspace stage trigger is called from within the syscall handler when the first EL0/Ring3 syscall is confirmed. Running tests from this context would block (kthread spawning and joining) and hang the system. Changes: - Add advance_stage_marker_only() that advances stage without running tests - Use advance_stage_marker_only() for Userspace trigger in syscall context - Remove redundant userspace_syscall_confirmed test (the confirmation flag being set is implicit in the trigger firing) The staged system now correctly advances through all four stages: - EarlyBoot: 79 tests - PostScheduler: 2 tests - ProcessContext: 3 tests - Userspace: Stage marked (no tests - confirmation IS the test) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
TestStageenum (EarlyBoot, PostScheduler, ProcessContext, Userspace) allowing tests to declare boot stage requirementsadvance_to_stage()function to trigger staged tests at appropriate boot pointstelnetd_dependencies_aarch64test to use compile-time checks (was calling syscalls that need thread context)Changes
Test Results
All 80 ARM64 tests now pass:
Test plan
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