#!/usr/bin/env bats

load test_helper

HOOK_MARKER="# Installed by coredesktop-dev; remove with: coredesktop-dev hooks remove"

@test "update installs the packages and links the command, without asking anything" {
  run bash "$PROJECT/update.sh" < /dev/null
  [ "$status" -eq 0 ]
  called install_packages shellcheck bats tea qemu-base libisoburn
  [ "$(readlink "$HOME/.local/bin/coredesktop-dev")" = "$PROJECT/bin/coredesktop-dev" ]
}

@test "update fixes a link that points somewhere else" {
  mkdir -p "$HOME/.local/bin"
  ln -s /nowhere "$HOME/.local/bin/coredesktop-dev"

  run bash "$PROJECT/update.sh" < /dev/null
  [ "$status" -eq 0 ]
  [ "$(readlink "$HOME/.local/bin/coredesktop-dev")" = "$PROJECT/bin/coredesktop-dev" ]
}

@test "update leaves an unchanged pre-push hook alone" {
  make_working_copy
  cp "$PROJECT/hooks/pre-push" "$WC/.git/hooks/pre-push"
  touch -d '2020-01-01' "$WC/.git/hooks/pre-push"

  run bash "$PROJECT/update.sh" < /dev/null
  [ "$status" -eq 0 ]
  [ "$(date -r "$WC/.git/hooks/pre-push" +%Y)" = 2020 ]
  [[ "$output" != *"Updated the pre-push hook"* ]]
}

@test "update refreshes our pre-push hook when it has changed" {
  make_working_copy
  printf '%s\n' '#!/bin/bash' "$HOOK_MARKER" 'old version' > "$WC/.git/hooks/pre-push"

  run bash "$PROJECT/update.sh" < /dev/null
  [ "$status" -eq 0 ]
  cmp "$PROJECT/hooks/pre-push" "$WC/.git/hooks/pre-push"
  [[ "$output" == *"Updated the pre-push hook"* ]]
}

@test "update doesn't touch someone else's pre-push hook" {
  make_working_copy
  printf '%s\n' '#!/bin/bash' 'mine' > "$WC/.git/hooks/pre-push"

  run bash "$PROJECT/update.sh" < /dev/null
  [ "$status" -eq 0 ]
  [ "$(tail -n 1 "$WC/.git/hooks/pre-push")" = mine ]
}