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weechat/tests/unit/plugins/logger/test-logger-tail.cpp
T

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C++

/*
* test-logger-tail.cpp - test logger tail functions
*
* Copyright (C) 2023 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* WeeChat is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WeeChat. If not, see <http://www.gnu.org/licenses/>.
*/
#include "CppUTest/TestHarness.h"
#include "tests/tests.h"
extern "C"
{
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include "src/core/wee-arraylist.h"
#include "src/core/wee-string.h"
#include "src/plugins/logger/logger-tail.h"
extern const char *logger_tail_last_eol (const char *string_start,
const char *string_ptr);
}
TEST_GROUP(LoggerTail)
{
};
/*
* Tests functions:
* logger_tail_last_eol
*/
TEST(LoggerTail, LoggerTailLastEol)
{
const char *str = "abc\ndef\rghi";
POINTERS_EQUAL(NULL, logger_tail_last_eol (NULL, NULL));
POINTERS_EQUAL(NULL, logger_tail_last_eol (NULL, ""));
POINTERS_EQUAL(NULL, logger_tail_last_eol ("", NULL));
POINTERS_EQUAL(NULL, logger_tail_last_eol ("", ""));
POINTERS_EQUAL(NULL, logger_tail_last_eol (str + 9, str));
POINTERS_EQUAL(NULL, logger_tail_last_eol (str, str));
POINTERS_EQUAL(NULL, logger_tail_last_eol (str, str + 1));
POINTERS_EQUAL(NULL, logger_tail_last_eol (str, str + 2));
POINTERS_EQUAL(str + 3, logger_tail_last_eol (str, str + 3));
POINTERS_EQUAL(str + 3, logger_tail_last_eol (str, str + 4));
POINTERS_EQUAL(str + 3, logger_tail_last_eol (str, str + 5));
POINTERS_EQUAL(str + 3, logger_tail_last_eol (str, str + 6));
POINTERS_EQUAL(str + 7, logger_tail_last_eol (str, str + 7));
POINTERS_EQUAL(str + 7, logger_tail_last_eol (str, str + 8));
POINTERS_EQUAL(str + 7, logger_tail_last_eol (str, str + 9));
POINTERS_EQUAL(str + 7, logger_tail_last_eol (str, str + 10));
}
/*
* Tests functions:
* logger_tail_lines_cmp_cb
* logger_tail_lines_free_cb
* logger_tail_file
*/
TEST(LoggerTail, LoggerTailFile)
{
const char *content_3_lines = "line 1\nline 2\nline 3\n";
const char *content_5_lines = "line 1\nline 2\n\nline 3\n\n";
char *filename, line[4096];
struct t_arraylist *lines;
FILE *file;
int i;
POINTERS_EQUAL(NULL, logger_tail_file (NULL, 0));
POINTERS_EQUAL(NULL, logger_tail_file (NULL, 1));
/* write a small test file */
filename = string_eval_path_home ("${weechat_data_dir}/test_file.txt",
NULL, NULL, NULL);
file = fopen (filename, "w");
fwrite (content_3_lines, 1, strlen (content_3_lines), file);
fflush (file);
fclose (file);
POINTERS_EQUAL(NULL, logger_tail_file (filename, 0));
lines = logger_tail_file (filename, 1);
CHECK(lines);
LONGS_EQUAL(1, arraylist_size (lines));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 0));
arraylist_free (lines);
lines = logger_tail_file (filename, 2);
CHECK(lines);
LONGS_EQUAL(2, arraylist_size (lines));
STRCMP_EQUAL("line 2", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 1));
arraylist_free (lines);
lines = logger_tail_file (filename, 3);
CHECK(lines);
LONGS_EQUAL(3, arraylist_size (lines));
STRCMP_EQUAL("line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("line 2", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 2));
arraylist_free (lines);
lines = logger_tail_file (filename, 4);
CHECK(lines);
LONGS_EQUAL(3, arraylist_size (lines));
STRCMP_EQUAL("line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("line 2", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 2));
arraylist_free (lines);
unlink (filename);
free (filename);
/* write a small test file, with empty lines */
filename = string_eval_path_home ("${weechat_data_dir}/test_file.txt",
NULL, NULL, NULL);
file = fopen (filename, "w");
fwrite (content_5_lines, 1, strlen (content_5_lines), file);
fflush (file);
fclose (file);
POINTERS_EQUAL(NULL, logger_tail_file (filename, 0));
lines = logger_tail_file (filename, 1);
CHECK(lines);
LONGS_EQUAL(1, arraylist_size (lines));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 0));
arraylist_free (lines);
lines = logger_tail_file (filename, 2);
CHECK(lines);
LONGS_EQUAL(2, arraylist_size (lines));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1));
arraylist_free (lines);
lines = logger_tail_file (filename, 3);
CHECK(lines);
LONGS_EQUAL(3, arraylist_size (lines));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 2));
arraylist_free (lines);
lines = logger_tail_file (filename, 4);
CHECK(lines);
LONGS_EQUAL(4, arraylist_size (lines));
STRCMP_EQUAL("line 2", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 3));
arraylist_free (lines);
lines = logger_tail_file (filename, 5);
CHECK(lines);
LONGS_EQUAL(5, arraylist_size (lines));
STRCMP_EQUAL("line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("line 2", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 3));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 4));
arraylist_free (lines);
lines = logger_tail_file (filename, 6);
CHECK(lines);
LONGS_EQUAL(5, arraylist_size (lines));
STRCMP_EQUAL("line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("line 2", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("line 3", (const char *)arraylist_get (lines, 3));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 4));
arraylist_free (lines);
unlink (filename);
free (filename);
/* write a bigger test file */
filename = string_eval_path_home ("${weechat_data_dir}/test_file.txt",
NULL, NULL, NULL);
file = fopen (filename, "w");
for (i = 0; i < 1000; i++)
{
snprintf (line, sizeof (line), "this is a test, line %d\n", i + 1);
fwrite (line, 1, strlen (line), file);
}
fflush (file);
fclose (file);
POINTERS_EQUAL(NULL, logger_tail_file (filename, 0));
lines = logger_tail_file (filename, 1);
CHECK(lines);
LONGS_EQUAL(1, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 0));
arraylist_free (lines);
lines = logger_tail_file (filename, 2);
CHECK(lines);
LONGS_EQUAL(2, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 1));
arraylist_free (lines);
lines = logger_tail_file (filename, 3);
CHECK(lines);
LONGS_EQUAL(3, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 998", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 2));
arraylist_free (lines);
lines = logger_tail_file (filename, 4);
CHECK(lines);
LONGS_EQUAL(4, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 997", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("this is a test, line 998", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 3));
arraylist_free (lines);
lines = logger_tail_file (filename, 1000);
CHECK(lines);
LONGS_EQUAL(1000, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("this is a test, line 2", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("this is a test, line 3", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("this is a test, line 4", (const char *)arraylist_get (lines, 3));
STRCMP_EQUAL("this is a test, line 998", (const char *)arraylist_get (lines, 997));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 998));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 999));
arraylist_free (lines);
lines = logger_tail_file (filename, 2000);
CHECK(lines);
LONGS_EQUAL(1000, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("this is a test, line 2", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("this is a test, line 3", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("this is a test, line 4", (const char *)arraylist_get (lines, 3));
STRCMP_EQUAL("this is a test, line 998", (const char *)arraylist_get (lines, 997));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 998));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 999));
arraylist_free (lines);
unlink (filename);
free (filename);
/* write a bigger test file, with empty lines */
filename = string_eval_path_home ("${weechat_data_dir}/test_file.txt",
NULL, NULL, NULL);
file = fopen (filename, "w");
for (i = 0; i < 1000; i++)
{
snprintf (line, sizeof (line), "this is a test, line %d\n\n", i + 1);
fwrite (line, 1, strlen (line), file);
}
fflush (file);
fclose (file);
POINTERS_EQUAL(NULL, logger_tail_file (filename, 0));
lines = logger_tail_file (filename, 1);
CHECK(lines);
LONGS_EQUAL(1, arraylist_size (lines));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 0));
arraylist_free (lines);
lines = logger_tail_file (filename, 2);
CHECK(lines);
LONGS_EQUAL(2, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1));
arraylist_free (lines);
lines = logger_tail_file (filename, 3);
CHECK(lines);
LONGS_EQUAL(3, arraylist_size (lines));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 2));
arraylist_free (lines);
lines = logger_tail_file (filename, 4);
CHECK(lines);
LONGS_EQUAL(4, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 3));
arraylist_free (lines);
lines = logger_tail_file (filename, 2000);
CHECK(lines);
LONGS_EQUAL(2000, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("this is a test, line 2", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 3));
STRCMP_EQUAL("this is a test, line 3", (const char *)arraylist_get (lines, 4));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 5));
STRCMP_EQUAL("this is a test, line 998", (const char *)arraylist_get (lines, 1994));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1995));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 1996));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1997));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 1998));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1999));
arraylist_free (lines);
lines = logger_tail_file (filename, 4000);
CHECK(lines);
LONGS_EQUAL(2000, arraylist_size (lines));
STRCMP_EQUAL("this is a test, line 1", (const char *)arraylist_get (lines, 0));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1));
STRCMP_EQUAL("this is a test, line 2", (const char *)arraylist_get (lines, 2));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 3));
STRCMP_EQUAL("this is a test, line 3", (const char *)arraylist_get (lines, 4));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 5));
STRCMP_EQUAL("this is a test, line 998", (const char *)arraylist_get (lines, 1994));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1995));
STRCMP_EQUAL("this is a test, line 999", (const char *)arraylist_get (lines, 1996));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1997));
STRCMP_EQUAL("this is a test, line 1000", (const char *)arraylist_get (lines, 1998));
STRCMP_EQUAL("", (const char *)arraylist_get (lines, 1999));
arraylist_free (lines);
unlink (filename);
free (filename);
}