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ProfinetConnector/profinet_stack/p-net/test/test_file.cpp

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/*********************************************************************
* _ _ _
* _ __ | |_ _ | | __ _ | |__ ___
* | '__|| __|(_)| | / _` || '_ \ / __|
* | | | |_ _ | || (_| || |_) |\__ \
* |_| \__|(_)|_| \__,_||_.__/ |___/
*
* www.rt-labs.com
* Copyright 2018 rt-labs AB, Sweden.
*
* This software is dual-licensed under GPLv3 and a commercial
* license. See the file LICENSE.md distributed with this software for
* full license information.
********************************************************************/
#include "utils_for_testing.h"
#include "mocks.h"
#include "pf_includes.h"
#include <gtest/gtest.h>
#define TEST_FILE_DATA_SIZE 10
#define TEST_FILE_FILENAME "my_filename.bin"
#define TEST_FILE_DIRECTORY "/my_directory/"
#define TEST_FILE_OUTPUTSTRING_SIZE 40
class FileUnitTest : public PnetUnitTest
{
};
TEST_F (FileUnitTest, FileJoinDirectoryFilename)
{
char outputstring[TEST_FILE_OUTPUTSTRING_SIZE] = {0}; /** Terminated */
int res = 0;
/* Happy case */
res = pf_file_join_directory_filename (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, TEST_FILE_DIRECTORY TEST_FILE_FILENAME), 0);
/* Missing filename or outputbuffer */
res = pf_file_join_directory_filename (
TEST_FILE_DIRECTORY,
NULL,
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, -1);
res = pf_file_join_directory_filename (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
NULL,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, -1);
/* Too small outputbuffer */
res = pf_file_join_directory_filename (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
outputstring,
0);
EXPECT_EQ (res, -1);
res = pf_file_join_directory_filename (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
outputstring,
4);
EXPECT_EQ (res, -1);
/* Too short filename */
res = pf_file_join_directory_filename (
TEST_FILE_DIRECTORY,
"",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, -1);
/* Joining directory and filename */
res = pf_file_join_directory_filename (
"abc",
"def",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "abc/def"), 0);
res = pf_file_join_directory_filename (
"abc/",
"def",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "abc/def"), 0);
res = pf_file_join_directory_filename (
"abc/",
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "abc/def.ghi"), 0);
res = pf_file_join_directory_filename (
"/abc/",
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "/abc/def.ghi"), 0);
res = pf_file_join_directory_filename (
"/",
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "/def.ghi"), 0);
res = pf_file_join_directory_filename (
"a",
"d",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "a/d"), 0);
res = pf_file_join_directory_filename (
"a",
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "a/def.ghi"), 0);
res = pf_file_join_directory_filename (
".",
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "./def.ghi"), 0);
res = pf_file_join_directory_filename (
"..",
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "../def.ghi"), 0);
res = pf_file_join_directory_filename (
"/",
"d",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "/d"), 0);
/* No directory given (NULL or empty string) */
res = pf_file_join_directory_filename (
NULL,
"d",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "d"), 0);
res = pf_file_join_directory_filename (
"",
"d",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "d"), 0);
res = pf_file_join_directory_filename (
NULL,
"def",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "def"), 0);
res = pf_file_join_directory_filename (
"",
"def",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "def"), 0);
res = pf_file_join_directory_filename (
NULL,
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "def.ghi"), 0);
res = pf_file_join_directory_filename (
"",
"def.ghi",
outputstring,
TEST_FILE_OUTPUTSTRING_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (strcmp (outputstring, "def.ghi"), 0);
}
TEST_F (FileUnitTest, FileCheckMagicAndVersion)
{
uint8_t testdata[TEST_FILE_DATA_SIZE] =
{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'};
uint8_t retrieved[TEST_FILE_DATA_SIZE] = {0};
uint8_t temporary_byte;
int res = 0;
int i;
/* Save data together with file version information */
res = pf_file_save (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&testdata,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (mock_os_data.file_size, TEST_FILE_DATA_SIZE + 8); /* Implementation
detail, but
verifies mock
functionality
*/
/* Save: Validate mock (protection of max mocked file size) */
res =
pf_file_save (TEST_FILE_DIRECTORY, TEST_FILE_FILENAME, &testdata, 10000);
EXPECT_EQ (res, -1);
/* Load: Non-existent file */
res = pf_file_load (
TEST_FILE_DIRECTORY,
"unknown_filename",
&retrieved,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, -1);
/* Retrieve data */
res = pf_file_load (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&retrieved,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
for (i = 0; i < TEST_FILE_DATA_SIZE; i++)
{
EXPECT_EQ (testdata[i], retrieved[i]);
}
/* Invalid magic bytes in simulated file */
temporary_byte = mock_os_data.file_content[0];
mock_os_data.file_content[0] = 'A';
res = pf_file_load (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&retrieved,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, -1);
mock_os_data.file_content[0] = temporary_byte; /* Reset to initial value */
/* Invalid file version in simulated file */
temporary_byte = mock_os_data.file_content[4];
mock_os_data.file_content[4] = 200;
res = pf_file_load (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&retrieved,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, -1);
mock_os_data.file_content[4] = temporary_byte; /* Reset to initial value */
/* Verify that mock does not delete file for other name */
pf_file_clear (TEST_FILE_DIRECTORY, "nonexistent file");
EXPECT_GT (mock_os_data.file_size, 1);
/* Clear: Invalid directory */
pf_file_clear (NULL, TEST_FILE_FILENAME);
pf_file_clear ("", TEST_FILE_FILENAME);
/* Check that it is OK when we use correct sample data again */
res = pf_file_load (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&retrieved,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
/* Verify that the mock can delete file entry */
pf_file_clear (TEST_FILE_DIRECTORY, TEST_FILE_FILENAME);
EXPECT_EQ (mock_os_data.file_size, 0); /* Verifies mock functionality */
res = pf_file_load (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&retrieved,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, -1);
/* Save to current directory */
res =
pf_file_save (NULL, TEST_FILE_FILENAME, &testdata, TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (mock_os_data.file_size, TEST_FILE_DATA_SIZE + 8); /* Implementation
detail, but
verifies mock
functionality
*/
/* Retrieve data from current directory */
res =
pf_file_load (NULL, TEST_FILE_FILENAME, &retrieved, TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
for (i = 0; i < TEST_FILE_DATA_SIZE; i++)
{
EXPECT_EQ (testdata[i], retrieved[i]);
}
res = pf_file_load ("", TEST_FILE_FILENAME, &retrieved, TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
for (i = 0; i < TEST_FILE_DATA_SIZE; i++)
{
EXPECT_EQ (testdata[i], retrieved[i]);
}
/* Delete file in current directory */
pf_file_clear (NULL, TEST_FILE_FILENAME);
EXPECT_EQ (mock_os_data.file_size, 0); /* Verifies mock functionality */
res =
pf_file_load (NULL, TEST_FILE_FILENAME, &retrieved, TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, -1);
}
TEST_F (FileUnitTest, FileCheckSaveIfModified)
{
uint8_t testdata[TEST_FILE_DATA_SIZE] =
{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'};
uint8_t tempobject[TEST_FILE_DATA_SIZE]; /* Not initialized on purpose */
uint8_t retrieved[TEST_FILE_DATA_SIZE] = {0};
int res = 0;
int i;
pf_file_clear (TEST_FILE_DIRECTORY, TEST_FILE_FILENAME);
/* First saving */
res = pf_file_save_if_modified (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&testdata,
&tempobject,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 2);
/* No update */
res = pf_file_save_if_modified (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&testdata,
&tempobject,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
res = pf_file_save_if_modified (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&testdata,
&tempobject,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
/* Updated data */
testdata[0] = 's';
res = pf_file_save_if_modified (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&testdata,
&tempobject,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 1);
res = pf_file_save_if_modified (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&testdata,
&tempobject,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
/* Verify updated data */
res = pf_file_load (
TEST_FILE_DIRECTORY,
TEST_FILE_FILENAME,
&retrieved,
TEST_FILE_DATA_SIZE);
EXPECT_EQ (res, 0);
EXPECT_EQ (retrieved[0], 's');
for (i = 1; i < TEST_FILE_DATA_SIZE; i++)
{
EXPECT_EQ (retrieved[i], testdata[i]);
}
}
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