#!/usr/bin/env bash
#
# Copyright (c) 2016 Daniel Kahn Gillmor
#

test_description='thread breakage by reindexing (currently broken)'

. ./test-lib.sh || exit 1

message_a() {
    mkdir -p ${MAIL_DIR}/cur
    cat > ${MAIL_DIR}/cur/a <<EOF
Subject: First message
Message-ID: <a@example.net>
From: Alice <alice@example.net>
To: Bob <bob@example.net>
Date: Thu, 31 Mar 2016 20:10:00 -0400

This is the first message in the thread.
EOF
}

message_b() {
    mkdir -p ${MAIL_DIR}/cur
    cat > ${MAIL_DIR}/cur/b <<EOF
Subject: Second message
Message-ID: <b@example.net>
In-Reply-To: <a@example.net>
References: <a@example.net>
From: Bob <bob@example.net>
To: Alice <alice@example.net>
Date: Thu, 31 Mar 2016 20:15:00 -0400

This is the second message in the thread.
EOF
}


test_thread_count() {
    notmuch new >/dev/null
    test_begin_subtest "${2:-Expecting $1 thread(s)}"
    count=$(notmuch count --output=threads)
    test_expect_equal "$count" "$1"
}

test_thread_count 0 'There should be no threads initially'

message_a
test_thread_count 1 'One message in: one thread'

message_b
test_thread_count 1 'Second message in the same thread: one thread'

rm -f ${MAIL_DIR}/cur/a
test_thread_count 1 'First message removed: still only one thread'

message_a
# this is known to fail (it shows 2 threads) because no "ghost
# message" was created for message A when it was removed from the
# index, despite message B still pointing to it.
test_thread_count 1 'First message reappears: should return to the same thread'

test_done