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feat(file): implemented read file tests

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This commit is contained in:
Mineplay5780 2025-12-18 17:03:38 +01:00
parent a74bb3cb45
commit d98cb6c4ba
4 changed files with 179 additions and 7 deletions
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2
include/cosms-core/file.h
View file

@ -50,7 +50,7 @@ CosmsCoreFileError cosms_core_file_close(struct cosms_core_file *file);
CosmsCoreFileError cosms_core_file_get_size(struct cosms_core_file *file, unsigned long long *size);
CosmsCoreFileError cosms_core_file_read(struct cosms_core_file *file, char **buffer, unsigned int bytes_to_read, unsigned int *bytes_read);
CosmsCoreFileError cosms_core_file_read(struct cosms_core_file *file, char *buffer, unsigned int bytes_to_read, unsigned int *bytes_read);
CosmsCoreFileError cosms_core_file_read_all(struct cosms_core_file *file, char **buffer, unsigned long long *bytes_read);
CosmsCoreFileError cosms_core_file_write(struct cosms_core_file *file, char *buffer, unsigned int bytes_to_write, unsigned int *bytes_written);

6
src/file.c
View file

@ -164,13 +164,13 @@ CosmsCoreFileError cosms_core_file_get_size(struct cosms_core_file *file, unsign
return COSMS_CORE_FILE_OK;
}
CosmsCoreFileError cosms_core_file_read(struct cosms_core_file *file, char **buffer, unsigned int bytes_to_read, unsigned int *bytes_read) {
CosmsCoreFileError cosms_core_file_read(struct cosms_core_file *file, char *buffer, unsigned int bytes_to_read, unsigned int *bytes_read) {
if ((file->mode & COSMS_CORE_FILE_MODE_READ) == 0) {
return COSMS_CORE_FILE_INVALID_OPERATION;
}
#if defined(__GNUC__)
int read_bytes = read(file->native_file, *buffer, bytes_to_read);
int read_bytes = read(file->native_file, buffer, bytes_to_read);
if (read_bytes == -1) {
return COSMS_CORE_FILE_FAILED_TO_READ;
}
@ -179,7 +179,7 @@ CosmsCoreFileError cosms_core_file_read(struct cosms_core_file *file, char **buf
(*bytes_read) = read_bytes;
}
#elif defined(_WIN32)
if (ReadFile(file->native_file, *buffer, bytes_to_read, (LPDWORD)bytes_read, NULL) == 0) {
if (ReadFile(file->native_file, buffer, bytes_to_read, (LPDWORD)bytes_read, NULL) == 0) {
return COSMS_CORE_FILE_FAILED_TO_READ;
}
#endif

162
tests/unit/file.c
View file

@ -242,7 +242,167 @@ COSMS_CORE_TEST_TEST(file_size_non_existing_file,
return NULL;
)
COSMS_CORE_TEST_TEST(file_read,
COSMS_CORE_TEST_TEST(file_read_small_file,
struct cosms_core_file file;
CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_READ);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
unsigned int bytes_to_read = 13;
unsigned int bytes_read = 0;
char buffer[14];
error = cosms_core_file_read(&file, buffer, bytes_to_read, &bytes_read);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
if (bytes_to_read != bytes_read || strcmp(buffer, "Hello, World!") != 0) {
return "result does not match expected result";
}
error = cosms_core_file_close(&file);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
return NULL;
)
COSMS_CORE_TEST_TEST(file_read_large_file,
struct cosms_core_file file;
CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/large-file.txt", COSMS_CORE_FILE_MODE_READ);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
unsigned long long bytes_to_read = 5242880000ULL;
unsigned long long bytes_read = 0;
char *buffer = NULL;
error = cosms_core_file_read_all(&file, &buffer, &bytes_read);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
char *expected_result = (char*)malloc((bytes_to_read + 1) * sizeof(char));
if (expected_result == NULL) {
free(buffer);
error = cosms_core_file_close(&file);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
return "Failed to allocate memory";
}
for (unsigned long long index = 0; index < bytes_to_read; index += 1) {
expected_result[index] = 'a';
}
expected_result[bytes_to_read] = '\0';
if (bytes_to_read != bytes_read || strcmp(buffer, expected_result) != 0) {
free(expected_result);
free(buffer);
return "result does not match expected result";
}
free(expected_result);
free(buffer);
error = cosms_core_file_close(&file);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
return NULL;
)
COSMS_CORE_TEST_TEST(file_read_non_existing_file,
struct cosms_core_file file;
file.mode = COSMS_CORE_FILE_MODE_READ;
file.native_file = 0;
unsigned int bytes_to_read = 13;
unsigned int bytes_read = 0;
char buffer[14];
CosmsCoreFileError error = cosms_core_file_read(&file, buffer, bytes_to_read, &bytes_read);
if (error != COSMS_CORE_FILE_FAILED_TO_READ) {
return cosms_core_file_error_string(error);
}
return NULL;
)
COSMS_CORE_TEST_TEST(file_read_full_non_existing_file,
struct cosms_core_file file;
file.mode = COSMS_CORE_FILE_MODE_READ;
file.native_file = 0;
unsigned long long bytes_read = 0;
char *buffer = NULL;
CosmsCoreFileError error = cosms_core_file_read_all(&file, &buffer, &bytes_read);
if (error != COSMS_CORE_FILE_COULD_NOT_READ_SIZE) {
if (error == COSMS_CORE_FILE_OK) {
free(buffer);
}
return cosms_core_file_error_string(error);
}
return NULL;
)
COSMS_CORE_TEST_TEST(file_read_file_using_wrong_mode,
struct cosms_core_file file;
CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_APPEND);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
unsigned int bytes_to_read = 13;
unsigned int bytes_read = 0;
char buffer[14];
error = cosms_core_file_read(&file, buffer, bytes_to_read, &bytes_read);
if (error != COSMS_CORE_FILE_INVALID_OPERATION) {
return cosms_core_file_error_string(error);
}
error = cosms_core_file_close(&file);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
return NULL;
)
COSMS_CORE_TEST_TEST(file_read_full_file_using_wrong_mode,
struct cosms_core_file file;
CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_APPEND);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
unsigned long long bytes_read = 0;
char *buffer = NULL;
error = cosms_core_file_read_all(&file, &buffer, &bytes_read);
if (error != COSMS_CORE_FILE_INVALID_OPERATION) {
if (error == COSMS_CORE_FILE_OK) {
free(buffer);
}
return cosms_core_file_error_string(error);
}
error = cosms_core_file_close(&file);
if (error != COSMS_CORE_FILE_OK) {
return cosms_core_file_error_string(error);
}
return NULL;
)

16
tests/unit/file.h
View file

@ -28,7 +28,13 @@ COSMS_CORE_TEST_DEFINE(file_size_small_file);
COSMS_CORE_TEST_DEFINE(file_size_large);
COSMS_CORE_TEST_DEFINE(file_size_non_existing_file);
COSMS_CORE_TEST_DEFINE(file_read);
COSMS_CORE_TEST_DEFINE(file_read_small_file);
COSMS_CORE_TEST_DEFINE(file_read_large_file);
COSMS_CORE_TEST_DEFINE(file_read_non_existing_file);
COSMS_CORE_TEST_DEFINE(file_read_full_non_existing_file);
COSMS_CORE_TEST_DEFINE(file_read_file_using_wrong_mode);
COSMS_CORE_TEST_DEFINE(file_read_full_file_using_wrong_mode);
COSMS_CORE_TEST_DEFINE(file_write);
COSMS_CORE_TEST_DEFINE(file_delete);
@ -50,7 +56,13 @@ COSMS_CORE_TEST_EXPORT(file,
COSMS_CORE_TEST_EXPORT_TEST(file_size_large),
COSMS_CORE_TEST_EXPORT_TEST(file_size_non_existing_file),
COSMS_CORE_TEST_EXPORT_TEST(file_read),
COSMS_CORE_TEST_EXPORT_TEST(file_read_small_file),
COSMS_CORE_TEST_EXPORT_TEST(file_read_large_file),
COSMS_CORE_TEST_EXPORT_TEST(file_read_non_existing_file),
COSMS_CORE_TEST_EXPORT_TEST(file_read_full_non_existing_file),
COSMS_CORE_TEST_EXPORT_TEST(file_read_file_using_wrong_mode),
COSMS_CORE_TEST_EXPORT_TEST(file_read_full_file_using_wrong_mode),
COSMS_CORE_TEST_EXPORT_TEST(file_write),
COSMS_CORE_TEST_EXPORT_TEST(file_delete)
);