test(daemon): add unit tests for daemon package (gt-99a)
Add comprehensive unit tests for: - Config and state serialization (DefaultConfig, LoadState, SaveState) - Session name pattern matching (isWitnessSession) - Lifecycle request parsing (parseLifecycleRequest) - Identity to session mapping (identityToSession) Tests document a bug where parseLifecycleRequest always matches 'cycle' because "LIFECYCLE:" prefix contains "cycle". Filed as gt-rixa. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Steve Yegge
272
internal/daemon/daemon_test.go
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272
internal/daemon/daemon_test.go
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package daemon
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"testing"
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"time"
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)
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func TestDefaultConfig(t *testing.T) {
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townRoot := "/tmp/test-town"
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config := DefaultConfig(townRoot)
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if config.HeartbeatInterval != 60*time.Second {
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t.Errorf("expected HeartbeatInterval 60s, got %v", config.HeartbeatInterval)
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}
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if config.TownRoot != townRoot {
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t.Errorf("expected TownRoot %q, got %q", townRoot, config.TownRoot)
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}
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if config.LogFile != filepath.Join(townRoot, "daemon", "daemon.log") {
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t.Errorf("expected LogFile in daemon dir, got %q", config.LogFile)
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}
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if config.PidFile != filepath.Join(townRoot, "daemon", "daemon.pid") {
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t.Errorf("expected PidFile in daemon dir, got %q", config.PidFile)
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}
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}
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func TestStateFile(t *testing.T) {
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townRoot := "/tmp/test-town"
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expected := filepath.Join(townRoot, "daemon", "state.json")
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result := StateFile(townRoot)
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if result != expected {
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t.Errorf("StateFile(%q) = %q, expected %q", townRoot, result, expected)
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}
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}
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func TestLoadState_NonExistent(t *testing.T) {
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// Create temp dir that doesn't have a state file
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tmpDir, err := os.MkdirTemp("", "daemon-test-*")
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if err != nil {
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t.Fatal(err)
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}
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defer func() { _ = os.RemoveAll(tmpDir) }()
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state, err := LoadState(tmpDir)
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if err != nil {
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t.Errorf("LoadState should not error for missing file, got %v", err)
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}
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if state == nil {
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t.Fatal("expected non-nil state")
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}
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if state.Running {
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t.Error("expected Running=false for empty state")
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}
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if state.PID != 0 {
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t.Errorf("expected PID=0 for empty state, got %d", state.PID)
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}
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}
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func TestLoadState_ExistingFile(t *testing.T) {
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tmpDir, err := os.MkdirTemp("", "daemon-test-*")
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if err != nil {
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t.Fatal(err)
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}
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defer func() { _ = os.RemoveAll(tmpDir) }()
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// Create daemon directory
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daemonDir := filepath.Join(tmpDir, "daemon")
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if err := os.MkdirAll(daemonDir, 0755); err != nil {
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t.Fatal(err)
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}
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// Write a state file
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startTime := time.Now().Truncate(time.Second)
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testState := &State{
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Running: true,
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PID: 12345,
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StartedAt: startTime,
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LastHeartbeat: startTime,
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HeartbeatCount: 42,
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}
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data, err := json.MarshalIndent(testState, "", " ")
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if err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(daemonDir, "state.json"), data, 0644); err != nil {
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t.Fatal(err)
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}
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// Load and verify
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loaded, err := LoadState(tmpDir)
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if err != nil {
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t.Fatalf("LoadState error: %v", err)
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}
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if !loaded.Running {
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t.Error("expected Running=true")
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}
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if loaded.PID != 12345 {
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t.Errorf("expected PID=12345, got %d", loaded.PID)
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}
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if loaded.HeartbeatCount != 42 {
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t.Errorf("expected HeartbeatCount=42, got %d", loaded.HeartbeatCount)
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}
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}
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func TestLoadState_InvalidJSON(t *testing.T) {
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tmpDir, err := os.MkdirTemp("", "daemon-test-*")
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if err != nil {
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t.Fatal(err)
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}
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defer func() { _ = os.RemoveAll(tmpDir) }()
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// Create daemon directory with invalid JSON
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daemonDir := filepath.Join(tmpDir, "daemon")
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if err := os.MkdirAll(daemonDir, 0755); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(daemonDir, "state.json"), []byte("not json"), 0644); err != nil {
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t.Fatal(err)
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}
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_, err = LoadState(tmpDir)
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if err == nil {
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t.Error("expected error for invalid JSON")
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}
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}
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func TestSaveState(t *testing.T) {
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tmpDir, err := os.MkdirTemp("", "daemon-test-*")
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if err != nil {
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t.Fatal(err)
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}
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defer func() { _ = os.RemoveAll(tmpDir) }()
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state := &State{
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Running: true,
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PID: 9999,
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StartedAt: time.Now(),
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LastHeartbeat: time.Now(),
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HeartbeatCount: 100,
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}
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// SaveState should create daemon directory if needed
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if err := SaveState(tmpDir, state); err != nil {
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t.Fatalf("SaveState error: %v", err)
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}
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// Verify file exists
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stateFile := StateFile(tmpDir)
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if _, err := os.Stat(stateFile); err != nil {
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t.Errorf("state file should exist: %v", err)
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}
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// Verify contents
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loaded, err := LoadState(tmpDir)
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if err != nil {
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t.Fatalf("LoadState error: %v", err)
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}
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if loaded.PID != 9999 {
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t.Errorf("expected PID=9999, got %d", loaded.PID)
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}
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if loaded.HeartbeatCount != 100 {
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t.Errorf("expected HeartbeatCount=100, got %d", loaded.HeartbeatCount)
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}
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}
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func TestSaveLoadState_Roundtrip(t *testing.T) {
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tmpDir, err := os.MkdirTemp("", "daemon-test-*")
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if err != nil {
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t.Fatal(err)
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}
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defer func() { _ = os.RemoveAll(tmpDir) }()
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original := &State{
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Running: true,
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PID: 54321,
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StartedAt: time.Now().Truncate(time.Second),
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LastHeartbeat: time.Now().Truncate(time.Second),
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HeartbeatCount: 1000,
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}
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if err := SaveState(tmpDir, original); err != nil {
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t.Fatalf("SaveState error: %v", err)
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}
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loaded, err := LoadState(tmpDir)
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if err != nil {
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t.Fatalf("LoadState error: %v", err)
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}
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if loaded.Running != original.Running {
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t.Errorf("Running mismatch: got %v, want %v", loaded.Running, original.Running)
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}
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if loaded.PID != original.PID {
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t.Errorf("PID mismatch: got %d, want %d", loaded.PID, original.PID)
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}
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if loaded.HeartbeatCount != original.HeartbeatCount {
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t.Errorf("HeartbeatCount mismatch: got %d, want %d", loaded.HeartbeatCount, original.HeartbeatCount)
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}
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// Time comparison with truncation to handle JSON serialization
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if !loaded.StartedAt.Truncate(time.Second).Equal(original.StartedAt) {
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t.Errorf("StartedAt mismatch: got %v, want %v", loaded.StartedAt, original.StartedAt)
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}
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}
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func TestIsWitnessSession(t *testing.T) {
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tests := []struct {
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name string
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expected bool
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}{
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{"gt-gastown-witness", true},
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{"gt-myrig-witness", true},
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{"gt-my-rig-name-witness", true},
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{"gt-a-witness", true}, // minimum valid
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{"gt-witness", false}, // no rig name
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{"gastown-witness", false}, // missing gt- prefix
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{"gt-gastown", false}, // missing -witness suffix
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{"gt-mayor", false}, // not a witness
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{"random-session", false},
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{"", false},
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{"gt-", false},
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{"witness", false},
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}
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for _, tc := range tests {
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result := isWitnessSession(tc.name)
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if result != tc.expected {
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t.Errorf("isWitnessSession(%q) = %v, expected %v", tc.name, result, tc.expected)
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}
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}
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}
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func TestLifecycleAction_Constants(t *testing.T) {
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// Verify constants have expected string values
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if ActionCycle != "cycle" {
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t.Errorf("expected ActionCycle='cycle', got %q", ActionCycle)
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}
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if ActionRestart != "restart" {
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t.Errorf("expected ActionRestart='restart', got %q", ActionRestart)
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}
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if ActionShutdown != "shutdown" {
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t.Errorf("expected ActionShutdown='shutdown', got %q", ActionShutdown)
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}
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}
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func TestLifecycleRequest_Serialization(t *testing.T) {
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request := &LifecycleRequest{
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From: "mayor",
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Action: ActionCycle,
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Timestamp: time.Now().Truncate(time.Second),
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}
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data, err := json.Marshal(request)
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if err != nil {
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t.Fatalf("Marshal error: %v", err)
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}
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var loaded LifecycleRequest
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if err := json.Unmarshal(data, &loaded); err != nil {
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t.Fatalf("Unmarshal error: %v", err)
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}
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if loaded.From != request.From {
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t.Errorf("From mismatch: got %q, want %q", loaded.From, request.From)
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}
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if loaded.Action != request.Action {
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t.Errorf("Action mismatch: got %q, want %q", loaded.Action, request.Action)
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}
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}
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