# Tests for archeflow-rollback.sh — post-merge test and phase rollback.
#
# Validates: argument parsing, mutual exclusivity, phase validation, test-cmd config reading.

setup() {
  load test_helper
  _common_setup
}

teardown() {
  _common_teardown
}

@test "rollback: exits with error when called with no args" {
  run "$LIB_DIR/archeflow-rollback.sh"
  [ "$status" -ne 0 ]
}

@test "rollback: rejects mutually exclusive --to and --test-cmd" {
  run "$LIB_DIR/archeflow-rollback.sh" test-run --to plan --test-cmd "true"
  [ "$status" -eq 2 ]
  [[ "$output" == *"mutually exclusive"* ]]
}

@test "rollback: rejects invalid phase names" {
  run "$LIB_DIR/archeflow-rollback.sh" test-run --to invalid-phase
  [ "$status" -eq 2 ]
  [[ "$output" == *"Invalid phase"* ]]
}

@test "rollback: accepts valid phase names (plan, do, check)" {
  # This will fail because no git branch exists, but should NOT fail on phase validation
  run "$LIB_DIR/archeflow-rollback.sh" test-run --to plan
  # Should fail later (archeflow-git.sh rollback) not on phase validation
  [[ "$output" != *"Invalid phase"* ]]
}

@test "rollback: exits 2 when no test command available" {
  run "$LIB_DIR/archeflow-rollback.sh" test-run
  [ "$status" -eq 2 ]
  [[ "$output" == *"No test command"* ]]
}

@test "rollback: reads test_command from config.yaml" {
  mkdir -p .archeflow
  echo 'test_command: "echo ok"' > .archeflow/config.yaml
  # HEAD won't have archeflow in its message, but the script just warns and proceeds
  run "$LIB_DIR/archeflow-rollback.sh" test-run
  # It should pick up the command and try to run it (test should pass -> exit 0)
  [ "$status" -eq 0 ]
  [[ "$output" == *"Tests passed"* ]]
}

@test "rollback: rejects unknown options" {
  run "$LIB_DIR/archeflow-rollback.sh" test-run --unknown-flag
  [ "$status" -eq 2 ]
  [[ "$output" == *"Unknown option"* ]]
}