feat(session): implement session expiration with configurable timeout (#83)
- Add CLAUDE_SESSION_EXPIRY_HOURS configuration variable (default: 24) - Add get_session_file_age_hours() helper with cross-platform stat support - Modify init_claude_session() to check session age and remove expired sessions - Add --session-expiry CLI flag to configure expiration (positive integers only) - Update help text with new option and example - Add 10 new tests for session expiration (TDD approach) Closes #51 Test count: 276 → 286 (100% pass rate) Co-authored-by: Test User <test@example.com>
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Frank Bria
GitHub
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2 changed files with 143 additions and 2 deletions
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@ -37,6 +37,7 @@ CLAUDE_MIN_VERSION="2.0.76" # Minimum required Claude CLI version
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# Note: SESSION_EXPIRATION_SECONDS is defined in lib/response_analyzer.sh (86400 = 24 hours)
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RALPH_SESSION_FILE=".ralph_session" # Ralph-specific session tracking (lifecycle)
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RALPH_SESSION_HISTORY_FILE=".ralph_session_history" # Session transition history
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CLAUDE_SESSION_EXPIRY_HOURS=${CLAUDE_SESSION_EXPIRY_HOURS:-24} # Session expiration in hours (default: 24)
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# Valid tool patterns for --allowed-tools validation
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# Tools can be exact matches or pattern matches with wildcards in parentheses
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@ -453,12 +454,55 @@ build_loop_context() {
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echo "${context:0:500}"
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}
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# Initialize or resume Claude session
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# Get session file age in hours (cross-platform)
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get_session_file_age_hours() {
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local file=$1
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if [[ ! -f "$file" ]]; then
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echo "0"
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return
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fi
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local os_type
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os_type=$(uname)
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local file_mtime
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if [[ "$os_type" == "Darwin" ]]; then
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# macOS (BSD stat)
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file_mtime=$(stat -f %m "$file" 2>/dev/null || echo 0)
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else
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# Linux (GNU stat)
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file_mtime=$(stat -c %Y "$file" 2>/dev/null || echo 0)
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fi
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local current_time
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current_time=$(date +%s)
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local age_seconds=$((current_time - file_mtime))
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local age_hours=$((age_seconds / 3600))
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echo "$age_hours"
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}
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# Initialize or resume Claude session (with expiration check)
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init_claude_session() {
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if [[ -f "$CLAUDE_SESSION_FILE" ]]; then
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# Check session age
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local age_hours
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age_hours=$(get_session_file_age_hours "$CLAUDE_SESSION_FILE")
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# Check if session has expired
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if [[ $age_hours -ge $CLAUDE_SESSION_EXPIRY_HOURS ]]; then
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log_status "INFO" "Session expired (${age_hours}h old, max ${CLAUDE_SESSION_EXPIRY_HOURS}h), starting new session"
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rm -f "$CLAUDE_SESSION_FILE"
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echo ""
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return 0
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fi
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# Session is valid, try to read it
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local session_id=$(cat "$CLAUDE_SESSION_FILE" 2>/dev/null)
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if [[ -n "$session_id" ]]; then
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log_status "INFO" "Resuming Claude session: ${session_id:0:20}..."
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log_status "INFO" "Resuming Claude session: ${session_id:0:20}... (${age_hours}h old)"
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echo "$session_id"
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return 0
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fi
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@ -1108,6 +1152,7 @@ Modern CLI Options (Phase 1.1):
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--output-format FORMAT Set Claude output format: json or text (default: $CLAUDE_OUTPUT_FORMAT)
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--allowed-tools TOOLS Comma-separated list of allowed tools (default: $CLAUDE_ALLOWED_TOOLS)
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--no-continue Disable session continuity across loops
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--session-expiry HOURS Set session expiration time in hours (default: $CLAUDE_SESSION_EXPIRY_HOURS)
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Files created:
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- $LOG_DIR/: All execution logs
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@ -1130,6 +1175,7 @@ Examples:
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$0 --verbose --timeout 5 # 5-minute timeout with detailed progress
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$0 --output-format text # Use legacy text output format
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$0 --no-continue # Disable session continuity
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$0 --session-expiry 48 # 48-hour session expiration
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HELPEOF
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}
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@ -1219,6 +1265,14 @@ while [[ $# -gt 0 ]]; do
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CLAUDE_USE_CONTINUE=false
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shift
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;;
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--session-expiry)
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if [[ -z "$2" || ! "$2" =~ ^[1-9][0-9]*$ ]]; then
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echo "Error: --session-expiry requires a positive integer (hours)"
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exit 1
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fi
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CLAUDE_SESSION_EXPIRY_HOURS="$2"
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shift 2
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;;
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*)
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echo "Unknown option: $1"
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show_help
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@ -304,6 +304,93 @@ EOF
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[[ "$output" == "false" ]]
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}
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@test "CLAUDE_SESSION_EXPIRY_HOURS is defined in ralph_loop.sh" {
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run grep 'CLAUDE_SESSION_EXPIRY_HOURS' "${BATS_TEST_DIRNAME}/../../ralph_loop.sh"
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[[ $status -eq 0 ]] || skip "CLAUDE_SESSION_EXPIRY_HOURS not yet implemented"
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}
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@test "CLAUDE_SESSION_EXPIRY_HOURS defaults to 24" {
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# Source ralph_loop.sh in a subshell to get the default
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run bash -c "source '${BATS_TEST_DIRNAME}/../../ralph_loop.sh' --help 2>/dev/null; echo \$CLAUDE_SESSION_EXPIRY_HOURS"
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# Should contain 24 as default
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[[ "$output" == *"24"* ]] || skip "CLAUDE_SESSION_EXPIRY_HOURS not yet implemented"
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}
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@test "--session-expiry flag is recognized in help" {
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run bash "${BATS_TEST_DIRNAME}/../../ralph_loop.sh" --help
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[[ "$output" == *"session-expiry"* ]] || skip "--session-expiry flag not yet implemented"
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}
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@test "--session-expiry flag accepts positive integer" {
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# Just check the flag is parsed (don't run full loop)
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run grep -E '\-\-session-expiry' "${BATS_TEST_DIRNAME}/../../ralph_loop.sh"
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[[ $status -eq 0 ]] || skip "--session-expiry flag not yet implemented"
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}
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@test "--session-expiry rejects non-integer value" {
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run timeout 5 bash "${BATS_TEST_DIRNAME}/../../ralph_loop.sh" --session-expiry abc 2>&1
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# Should fail with error about invalid value
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if [[ "$output" == *"Unknown option"* ]]; then
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skip "--session-expiry flag not yet implemented"
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fi
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[[ "$output" == *"positive integer"* ]] || [[ "$output" == *"Error"* ]]
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}
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@test "--session-expiry rejects zero value" {
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run timeout 5 bash "${BATS_TEST_DIRNAME}/../../ralph_loop.sh" --session-expiry 0 2>&1
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# Should fail with error about invalid value
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if [[ "$output" == *"Unknown option"* ]]; then
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skip "--session-expiry flag not yet implemented"
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fi
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[[ "$output" == *"positive integer"* ]] || [[ "$output" == *"Error"* ]]
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}
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@test "--session-expiry rejects negative value" {
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run timeout 5 bash "${BATS_TEST_DIRNAME}/../../ralph_loop.sh" --session-expiry -5 2>&1
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# Should fail with error about invalid value
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if [[ "$output" == *"Unknown option"* ]]; then
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skip "--session-expiry flag not yet implemented"
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fi
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[[ "$output" == *"positive integer"* ]] || [[ "$output" == *"Error"* ]]
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}
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# =============================================================================
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# INIT_CLAUDE_SESSION EXPIRATION TESTS
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# =============================================================================
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@test "init_claude_session checks session expiration" {
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# Check that init_claude_session includes expiration logic
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run grep -A30 'init_claude_session' "${BATS_TEST_DIRNAME}/../../ralph_loop.sh"
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# Should reference expiration or age checking
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[[ "$output" == *"expir"* ]] || [[ "$output" == *"age"* ]] || [[ "$output" == *"stat"* ]] || skip "Session expiration not yet implemented in init_claude_session"
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}
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@test "init_claude_session uses cross-platform stat command" {
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# Check for uname or Darwin/Linux detection in get_session_file_age_hours
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run grep -A30 'get_session_file_age_hours' "${BATS_TEST_DIRNAME}/../../ralph_loop.sh"
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# Should have cross-platform handling
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[[ "$output" == *"Darwin"* ]] || [[ "$output" == *"uname"* ]] || skip "Cross-platform stat not yet implemented"
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}
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@test "get_session_file_age_hours returns correct age" {
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# Check if helper function exists
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run grep 'get_session_file_age_hours' "${BATS_TEST_DIRNAME}/../../ralph_loop.sh"
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[[ $status -eq 0 ]] || skip "get_session_file_age_hours function not yet implemented"
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}
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# =============================================================================
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# EDGE CASES
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# =============================================================================
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