void simple_log_test(void)
{
struct commit* commit_list = NULL;
int retval;
retval = beargit_init();
CU_ASSERT(0==retval);
FILE* asdf = fopen("asdf.txt", "w");
fclose(asdf);
retval = beargit_add("asdf.txt");
CU_ASSERT(0==retval);
run_commit(&commit_list, "GO BEARS!1");
run_commit(&commit_list, "GO BEARS!2");
run_commit(&commit_list, "GO BEARS!3");
retval = beargit_log(INT_MAX);
CU_ASSERT(0==retval);
struct commit* cur_commit = commit_list;
const int LINE_SIZE = 512;
char line[LINE_SIZE];
FILE* fstdout = fopen("TEST_STDOUT", "r");
CU_ASSERT_PTR_NOT_NULL(fstdout);
while (cur_commit != NULL) {
char refline[LINE_SIZE];
// First line is empty
CU_ASSERT_PTR_NOT_NULL(fgets(line, LINE_SIZE, fstdout));
CU_ASSERT(!strcmp(line,"\n"));
// Second line is commit -- don't check the ID.
CU_ASSERT_PTR_NOT_NULL(fgets(line, LINE_SIZE, fstdout));
CU_ASSERT(!strncmp(line,"commit", strlen("commit")));
// Third line is msg
sprintf(refline, " %s\n", cur_commit->msg);
CU_ASSERT_PTR_NOT_NULL(fgets(line, LINE_SIZE, fstdout));
CU_ASSERT_STRING_EQUAL(line, refline);
cur_commit = cur_commit->next;
}
// Last line is empty
CU_ASSERT_PTR_NOT_NULL(fgets(line, LINE_SIZE, fstdout));
CU_ASSERT(!strcmp(line,"\n"));
CU_ASSERT_PTR_NULL(fgets(line, LINE_SIZE, fstdout));
// It's the end of output
CU_ASSERT(feof(fstdout));
fclose(fstdout);
free_commit_list(&commit_list);
}
//tests the add command
void add_test(void)
{
int retval;
retval = beargit_init();
CU_ASSERT(0==retval);
retval = beargit_add("asdf.txt"); //checks that a normal add will not error
CU_ASSERT(0==retval);
retval = beargit_add("asdf.txt"); //check that add will error if the file has already been added
CU_ASSERT(3==retval);
FILE* findex = fopen(".beargit/index", "r");
char line[512];
fgets(line, sizeof(line), findex);
CU_ASSERT(line == "asdf.txt"); //check add properly added filename to index
CU_ASSERT(fgets(line, sizeof(line), findex) == NULL); //check that second add didn't still add to index
fclose(findex);
}
/* Simple test of fread().
* Reads the data previously written by testFPRINTF()
* and checks whether the expected characters are present.
* Must be run after testFPRINTF().
*/
void simple_sample_test(void)
{
// This is a very basic test. Your tests should likely do more than this.
// We suggest checking the outputs of printfs/fprintfs to both stdout
// and stderr. To make this convenient for you, the tester replaces
// printf and fprintf with copies that write data to a file for you
// to access. To access all output written to stdout, you can read
// from the "TEST_STDOUT" file. To access all output written to stderr,
// you can read from the "TEST_STDERR" file.
int retval;
retval = beargit_init();
CU_ASSERT(0==retval);
retval = beargit_add("asdf.txt");
CU_ASSERT(0==retval);
}
//tests the remove command
void rm_test(void)
{
int retval;
retval = beargit_init();
CU_ASSERT(0==retval);
retval = beargit_add("asdf.txt");
CU_ASSERT(0==retval);
retval = beargit_rm("asdf.txt"); //tests a normal remove will not error
CU_ASSERT(0==retval);
retval = beargit_rm("asdf.txt"); //tests that a remove on a nonexistent/previously removed file does error
CU_ASSERT(1==retval);
FILE* findex = fopen(".beargit/index", "r");
char line[512];
fgets(line, sizeof(line), findex);
CU_ASSERT(line != "asdf.txt"); //check that a removed file is removed from the index
fclose(findex);
}
//This suite tests merging multiple files. It first tests for error cases, then
//it tests for non-conflicting files then test for conflicted files.
void merge_test(void) {
struct commit* commit_list = NULL;
int retval;
retval = beargit_init();
CU_ASSERT(0==retval);
write_string_to_file("wug.txt", "Dis a wug");
write_string_to_file("wug1.txt", "Dis a wug 1.5");
write_string_to_file("wug2.txt", "Der two wugz");
write_string_to_file("wug3.txt", "Dis not a wug");
retval = beargit_add("wug.txt");
CU_ASSERT(0==retval);
retval = beargit_add("wug1.txt");
CU_ASSERT(0==retval);
run_commit(&commit_list, "THIS IS BEAR TERRITORY!1");
//save commit1's ID
char commit1_id[512] = "";
read_string_from_file(".beargit/.prev", commit1_id, 512);
retval = beargit_add("wug2.txt");
CU_ASSERT(0==retval);
run_commit(&commit_list, "THIS IS BEAR TERRITORY!2");
//remove wug, wug1 and wug2
fs_rm("wug.txt");
retval = beargit_rm("wug.txt");
CU_ASSERT(0==retval);
fs_rm("wug1.txt");
retval = beargit_rm("wug1.txt");
CU_ASSERT(0==retval);
fs_rm("wug2.txt");
retval = beargit_rm("wug2.txt");
CU_ASSERT(0==retval);
//add wug3 & commit
retval = beargit_add("wug3.txt");
CU_ASSERT(0==retval);
run_commit(&commit_list, "THIS IS BEAR TERRITORY!3");
//Check for err msg when merging non existent commit ID / brench
retval = beargit_merge("alskdfjlaskfj");
CU_ASSERT(1==retval); //first line of stderr: "ERROR: No branch or commit alskdfjlaskfj exists."
//test merging non-conflicted files
retval = beargit_merge(commit1_id);
CU_ASSERT(0==retval); //first line of stdout: "wug.txt added\nwug1.txt added\n"
//check files actually moved
FILE* fstdout_wug = fopen("wug.txt", "r");
CU_ASSERT_PTR_NOT_NULL(fstdout_wug);
FILE* fstdout_wug1 = fopen("wug1.txt", "r");
CU_ASSERT_PTR_NOT_NULL(fstdout_wug1);
fclose(fstdout_wug);
fclose(fstdout_wug1);
//test merging conflicted files
retval = beargit_merge(commit1_id);
CU_ASSERT(0==retval); //first line of stdout: "wug.txt conflicted copy created \nwug1.txt conflicted copy created\n"
//check conflicted files created
char wugc[512] = "wug.txt.";
strcat(wugc, commit1_id);
char wugc1[512] = "wug1.txt.";
strcat(wugc1, commit1_id);
FILE* fstdout_wugc = fopen(wugc, "r");
CU_ASSERT_PTR_NOT_NULL(fstdout_wugc);
FILE* fstdout_wugc1 = fopen(wugc1, "r");
CU_ASSERT_PTR_NOT_NULL(fstdout_wugc1);
fclose(fstdout_wugc);
fclose(fstdout_wugc1);
//Read stderr file
char PostToBe4Err[512] = "ERROR: No branch or commit alskdfjlaskfj exists.\n";
char ActualErr[512] ="";
read_string_from_file("TEST_STDERR", ActualErr, 512);
CU_ASSERT(strcmp(PostToBe4Err, ActualErr) == 0);
// read stdout
char PostToBe[512] = "wug.txt added\nwug1.txt added\nwug.txt conflicted copy created\nwug1.txt conflicted copy created\n";
char Actual[512] ="";
read_string_from_file("TEST_STDOUT", Actual, 512);
CU_ASSERT(strcmp(PostToBe, Actual) == 0);
free_commit_list(&commit_list);
}
//this test tests reset. It checks for the two erroring cases
//It checks if reset replaces the version of the file in the
//working directory with the specified file for reset.
//it also tests if index is update and file is sucessfully
//reset if the file is not in the working directory.
void reset_test(void) {
struct commit* commit_list = NULL;
int retval;
retval = beargit_init();
CU_ASSERT(0==retval);
write_string_to_file("wug.txt", "Dis a wug");
write_string_to_file("wug2.txt", "Der two wugz");
write_string_to_file("wug3.txt", "Dis not a wug");
retval = beargit_add("wug.txt");
CU_ASSERT(0==retval);
run_commit(&commit_list, "THIS IS BEAR TERRITORY!1");
retval = beargit_add("wug2.txt");
CU_ASSERT(0==retval);
run_commit(&commit_list, "THIS IS BEAR TERRITORY!2");
retval = beargit_add("wug3.txt");
CU_ASSERT(0==retval);
run_commit(&commit_list, "THIS IS BEAR TERRITORY!3");
char commit_id[512] = "";
read_string_from_file(".beargit/.prev", commit_id, 512);
//Check for error if commit doens't exit
retval = beargit_reset("alskdfjlaskfj", "wug.txt");
CU_ASSERT(1==retval); //first line of stderr: "ERROR: Commit alskdfjlaskfj does not exist.\n"
//Check for error if file not in commit
retval = beargit_reset(commit_id, "wug6.txt");
CU_ASSERT(1==retval); //second line of stderr: "ERROR: wug6.txt is not in the index of commit [insert commit_id].\n"
//modifies wug.txt in working directory
write_string_to_file("wug.txt", "JK dis not a wug");
//Resets wug.txt from commit 3
retval = beargit_reset(commit_id, "wug.txt");
CU_ASSERT(0==retval);
char stuffinwug[512] = "";
read_string_from_file("wug.txt", stuffinwug, 512);
CU_ASSERT(strcmp(stuffinwug, "Dis a wug") == 0);
//remove wug3.txt
fs_rm("wug3.txt");
retval = beargit_rm("wug3.txt");
CU_ASSERT(retval == 0);
FILE* fstdout_wug = fopen("wug3.txt", "r");
CU_ASSERT_PTR_NULL(fstdout_wug);
//try to reset wug3.txt
retval = beargit_reset(commit_id, "wug3.txt");
FILE* check_wug_exist = fopen("wug3.txt", "r");
CU_ASSERT_PTR_NOT_NULL(check_wug_exist);
char check_index_4wug[512] = "";
read_string_from_file(".beargit/.index", check_index_4wug, 512);
char PostToBe[512] = "wug2.txt\nwug.txt\nwug3.txt\n";
CU_ASSERT(strcmp(check_index_4wug, PostToBe) == 0);
fclose(check_wug_exist);
//Read stderr file
char PostToBe4Err[512] = "";
strcat(PostToBe4Err, "ERROR: Commit alskdfjlaskfj does not exist.\nERROR: wug6.txt is not in the index of commit ");
strcat(PostToBe4Err, commit_id);
strcat(PostToBe4Err, ".\n");
char ActualErr[512] ="";
read_string_from_file("TEST_STDERR", ActualErr, 512);
CU_ASSERT(strcmp(PostToBe4Err, ActualErr) == 0);
free_commit_list(&commit_list);
}
int main(int argc, char **argv) {
if (argc < 2) {
fprintf(stderr, "Usage: %s <command> [<args>]\n", argv[0]);
return 2;
}
// TODO: If students aren't going to write this themselves, replace by clean
// implementation using function pointers.
if (strcmp(argv[1], "init") == 0) {
if (check_initialized()) {
fprintf(stderr, "ERROR: Repository is already initialized\n");
return 1;
}
return beargit_init();
} else {
if (!check_initialized()) {
fprintf(stderr, "ERROR: Repository is not initialized\n");
return 1;
}
if (strcmp(argv[1], "add") == 0 || strcmp(argv[1], "rm") == 0) {
if (argc < 3 || !check_filename(argv[2])) {
fprintf(stderr, "ERROR: No or invalid filename given\n");
return 1;
}
if (strcmp(argv[1], "rm") == 0) {
return beargit_rm(argv[2]);
} else {
return beargit_add(argv[2]);
}
} else if (strcmp(argv[1], "commit") == 0) {
if (argc < 4 || strcmp(argv[2], "-m") != 0) {
fprintf(stderr, "ERROR: Need a commit message (-m <msg>)\n");
return 1;
}
if (strlen(argv[3]) > MSG_SIZE-1) {
fprintf(stderr, "ERROR: Message is too long!\n");
return 1;
}
return beargit_commit(argv[3]);
} else if (strcmp(argv[1], "status") == 0) {
return beargit_status();
} else if (strcmp(argv[1], "log") == 0) {
return beargit_log();
} else if (strcmp(argv[1], "branch") == 0) {
return beargit_branch();
} else if (strcmp(argv[1], "checkout") == 0) {
int branch_new = 0;
char* arg = NULL;
for (int i = 2; i < argc; i++) {
if (argv[i][0] == '-') {
if (strcmp(argv[i], "-b") == 0) {
branch_new = 1;
continue;
} else {
fprintf(stderr, "ERROR: Invalid argument: %s", argv[i]);
return 1;
}
}
if (arg) {
fprintf(stderr, "ERROR: Too many arguments for checkout!");
return 1;
}
arg = argv[i];
}
return beargit_checkout(arg, branch_new);
} else {
fprintf(stderr, "ERROR: Unknown command \"%s\"\n", argv[1]);
return 1;
}
}
}