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json: Fix search result with no matches to be a valid json object.

Browse source 
In the original json code, search matching nothing would return a
valid, empty json array (that is, "[]"). I broke this in commit
6dcb7592e3 when adding support for
--output=threads|messages|tags. This time, while fixing the bug also
add a test to the test suite to help avoid future regressions.
This commit is contained in:
Carl Worth 2011-01-31 05:26:04 +10:00
parent f14d4c55ce
commit 0b1ddc5f66
2 changed files with 17 additions and 16 deletions
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29
notmuch-search.c
View file

@ -72,7 +72,7 @@ static const search_format_t format_text = {
"%s", " ",
")", "\n",
"",
"\n",
"",
};
static void
@ -182,15 +182,15 @@ do_search_threads (const search_format_t *format,
if (threads == NULL)
return 1;
fputs (format->results_start, stdout);
for (;
notmuch_threads_valid (threads);
notmuch_threads_move_to_next (threads))
{
int first_tag = 1;
if (first_thread)
fputs (format->results_start, stdout);
else
if (! first_thread)
fputs (format->item_sep, stdout);
thread = notmuch_threads_get (threads);
@ -236,8 +236,7 @@ do_search_threads (const search_format_t *format,
notmuch_thread_destroy (thread);
}
if (! first_thread)
fputs (format->results_end, stdout);
fputs (format->results_end, stdout);
return 0;
}
@ -255,15 +254,15 @@ do_search_messages (const search_format_t *format,
if (messages == NULL)
return 1;
fputs (format->results_start, stdout);
for (;
notmuch_messages_valid (messages);
notmuch_messages_move_to_next (messages))
{
message = notmuch_messages_get (messages);
if (first_message)
fputs (format->results_start, stdout);
else
if (! first_message)
fputs (format->item_sep, stdout);
if (output == OUTPUT_FILES) {
@ -281,8 +280,7 @@ do_search_messages (const search_format_t *format,
notmuch_messages_destroy (messages);
if (! first_message)
fputs (format->results_end, stdout);
fputs (format->results_end, stdout);
return 0;
}
@ -310,15 +308,15 @@ do_search_tags (notmuch_database_t *notmuch,
if (tags == NULL)
return 1;
fputs (format->results_start, stdout);
for (;
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags))
{
tag = notmuch_tags_get (tags);
if (first_tag)
fputs (format->results_start, stdout);
else
if (! first_tag)
fputs (format->item_sep, stdout);
format->item_id (tags, "", tag);
@ -331,8 +329,7 @@ do_search_tags (notmuch_database_t *notmuch,
if (messages)
notmuch_messages_destroy (messages);
if (! first_tag)
fputs (format->results_end, stdout);
fputs (format->results_end, stdout);
return 0;
}

4
test/json
View file

@ -39,4 +39,8 @@ test_expect_equal "$output" "[{\"thread\": \"XXX\",
\"subject\": \"json-search-utf8-body-sübjéct\",
\"tags\": [\"inbox\", \"unread\"]}]"
test_begin_subtest "Search returning no messages"
output=$(notmuch search --format=json "this string had better not match any messages" | notmuch_search_sanitize)
test_expect_equal "$output" "[]"
test_done