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path: root/comp2041/tigger/test06.sh
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#!/bin/dash

# Test startup, create a temporary directory and cd into it with files.
tmp_dir=$(mktemp --directory --quiet --tmpdir=./)
if [ "$(find tigger-* | wc -l)" -le 0 ]; then
  printf "error: no tigger commands found, cannot run tests\n" >&2
  exit 1
fi
cp tigger-* "$tmp_dir"/
cd "$tmp_dir" || exit

# Functions to test if the return value was 0 or non-zero.
assert_good_exec () {
  printf "%s: " "$1"
  if $1; then
    return
  fi
  printf "test failed, previous command expected zero output code\n" >&2
  rm -rf ../"$tmp_dir"
  exit 1
}
# Functions to test if the return value was 0 or non-zero.
assert_bad_exec () {
  printf "%s: " "$1"
  if ! $1; then
    return
  fi
  printf "test failed, previous command expected non-zero output code\n" >&2
  rm -rf ../"$tmp_dir"
  exit 1
}
printf "starting tests: output and order will be printed\n\n"
# End of test startup

# The purpose of this test is to ensure that deleting a .tigger folder, and then
# restoring the folder, results in the same state that occurred before deletion.
# This implies that the metadata is held only in the .tigger directory.

assert_good_exec "./tigger-init"
touch a
touch b
touch c
assert_good_exec "./tigger-add a b c"
echo a >> a
assert_good_exec "./tigger-add a"
touch d
assert_good_exec "./tigger-commit -m commit_message"
status=$(./tigger-status)
mv ./.tigger ./.tigger.old
assert_good_exec "./tigger-init"
rm -r ./.tigger
mv ./.tigger.old ./.tigger
printf "testing previous status is the same as the current status\n"
if [ "$(./tigger-status)" != "$status" ]; then
  printf "tigger-status was not the same between copies\n" >&2
  exit 1
fi

# Test teardown/cleanup
printf "\ntest completed successfully\n"
rm -rf ../"$tmp_dir"
exit 0