#!/usr/bin/env bash
test_description='"notmuch new" in several variations'
. ./test-lib.sh

test_begin_subtest "No new messages"
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail."


test_begin_subtest "Single new message"
generate_message
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 1 new message to the database."


test_begin_subtest "Multiple new messages"
generate_message
generate_message
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 2 new messages to the database."


test_begin_subtest "No new messages (non-empty DB)"
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail."


test_begin_subtest "New directories"
rm -rf "${MAIL_DIR}"/* "${MAIL_DIR}"/.notmuch
mkdir "${MAIL_DIR}"/def
mkdir "${MAIL_DIR}"/ghi
generate_message [dir]=def

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 1 new message to the database."


test_begin_subtest "Alternate inode order"

rm -rf "${MAIL_DIR}"/.notmuch
mv "${MAIL_DIR}"/ghi "${MAIL_DIR}"/abc
rm "${MAIL_DIR}"/def/*
generate_message [dir]=abc

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 1 new message to the database."


test_begin_subtest "Message moved in"
rm -rf "${MAIL_DIR}"/* "${MAIL_DIR}"/.notmuch
generate_message
tmp_msg_filename=tmp/"$gen_msg_filename"
mkdir -p "$(dirname "$tmp_msg_filename")"
mv "$gen_msg_filename" "$tmp_msg_filename"
notmuch new > /dev/null
mv "$tmp_msg_filename" "$gen_msg_filename"
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 1 new message to the database."


test_begin_subtest "Renamed message"

generate_message
notmuch new > /dev/null
mv "$gen_msg_filename" "${gen_msg_filename}"-renamed
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail. Detected 1 file rename."


test_begin_subtest "Deleted message"

rm "${gen_msg_filename}"-renamed
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail. Removed 1 message."


test_begin_subtest "Renamed directory"

generate_message [dir]=dir
generate_message [dir]=dir
generate_message [dir]=dir

notmuch new > /dev/null

mv "${MAIL_DIR}"/dir "${MAIL_DIR}"/dir-renamed

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail. Detected 3 file renames."


test_begin_subtest "Deleted directory"

rm -rf "${MAIL_DIR}"/dir-renamed

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail. Removed 3 messages."


test_begin_subtest "New directory (at end of list)"

generate_message [dir]=zzz
generate_message [dir]=zzz
generate_message [dir]=zzz

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 3 new messages to the database."


test_begin_subtest "Deleted directory (end of list)"

rm -rf "${MAIL_DIR}"/zzz

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail. Removed 3 messages."


test_begin_subtest "New symlink to directory"

rm -rf "${MAIL_DIR}"/.notmuch
mv "${MAIL_DIR}" "${TMP_DIRECTORY}"/actual_maildir

mkdir "${MAIL_DIR}"
ln -s "${TMP_DIRECTORY}"/actual_maildir "${MAIL_DIR}"/symlink

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 1 new message to the database."


test_begin_subtest "New symlink to a file"
generate_message
external_msg_filename="${TMP_DIRECTORY}"/external/"$(basename "$gen_msg_filename")"
mkdir -p "$(dirname "$external_msg_filename")"
mv "$gen_msg_filename" "$external_msg_filename"
ln -s "$external_msg_filename" "$gen_msg_filename"
output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 1 new message to the database."


test_begin_subtest "Broken symlink aborts"
ln -s does-not-exist "${MAIL_DIR}/broken"
output=$(NOTMUCH_NEW 2>&1)
test_expect_equal "$output" \
"Error reading file /run/shm/nm/tmp.new/mail/broken: No such file or directory
Note: A fatal error was encountered: Something went wrong trying to read or write a file
No new mail."
rm "${MAIL_DIR}/broken"


test_begin_subtest "New two-level directory"

generate_message [dir]=two/levels
generate_message [dir]=two/levels
generate_message [dir]=two/levels

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "Added 3 new messages to the database."


test_begin_subtest "Deleted two-level directory"

rm -rf "${MAIL_DIR}"/two

output=$(NOTMUCH_NEW)
test_expect_equal "$output" "No new mail. Removed 3 messages."

# This test requires that notmuch new has been run at least once.
test_begin_subtest "Skip and report non-mail files"
generate_message
mkdir -p "${MAIL_DIR}"/.git && touch "${MAIL_DIR}"/.git/config
touch "${MAIL_DIR}"/ignored_file
touch "${MAIL_DIR}"/.ignored_hidden_file
output=$(NOTMUCH_NEW 2>&1)
test_expect_equal "$output" \
"Note: Ignoring non-mail file: ${MAIL_DIR}/.git/config
Note: Ignoring non-mail file: ${MAIL_DIR}/.ignored_hidden_file
Note: Ignoring non-mail file: ${MAIL_DIR}/ignored_file
Added 1 new message to the database."

test_begin_subtest "Ignore files and directories specified in new.ignore"
generate_message
notmuch config set new.ignore .git ignored_file .ignored_hidden_file
touch "${MAIL_DIR}"/.git # change .git's mtime for notmuch new to rescan.
output=$(NOTMUCH_NEW 2>&1)
test_expect_equal "$output" "Added 1 new message to the database."


test_done