Hash :
966b9440
Author :
Date :
2019-02-21T08:30:22
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#include "clar_libgit2.h"
#include "git2/sys/repository.h"
#include "apply.h"
#include "repository.h"
#include "buf_text.h"
#include "../patch/patch_common.h"
static git_repository *repo = NULL;
static git_diff_options binary_opts = GIT_DIFF_OPTIONS_INIT;
void test_apply_fromdiff__initialize(void)
{
repo = cl_git_sandbox_init("renames");
binary_opts.flags |= GIT_DIFF_SHOW_BINARY;
}
void test_apply_fromdiff__cleanup(void)
{
cl_git_sandbox_cleanup();
}
static int apply_gitbuf(
const git_buf *old,
const char *oldname,
const git_buf *new,
const char *newname,
const char *patch_expected,
const git_diff_options *diff_opts)
{
git_patch *patch;
git_buf result = GIT_BUF_INIT;
git_buf patchbuf = GIT_BUF_INIT;
char *filename;
unsigned int mode;
int error;
cl_git_pass(git_patch_from_buffers(&patch,
old ? old->ptr : NULL, old ? old->size : 0,
oldname,
new ? new->ptr : NULL, new ? new->size : 0,
newname,
diff_opts));
if (patch_expected) {
cl_git_pass(git_patch_to_buf(&patchbuf, patch));
cl_assert_equal_s(patch_expected, patchbuf.ptr);
}
error = git_apply__patch(&result, &filename, &mode, old ? old->ptr : NULL, old ? old->size : 0, patch, NULL);
if (error == 0 && new == NULL) {
cl_assert_equal_i(0, result.size);
cl_assert_equal_p(NULL, filename);
cl_assert_equal_i(0, mode);
}
else if (error == 0) {
cl_assert_equal_s(new->ptr, result.ptr);
cl_assert_equal_s(newname ? newname : oldname, filename);
cl_assert_equal_i(0100644, mode);
}
git__free(filename);
git_buf_dispose(&result);
git_buf_dispose(&patchbuf);
git_patch_free(patch);
return error;
}
static int apply_buf(
const char *old,
const char *oldname,
const char *new,
const char *newname,
const char *patch_expected,
const git_diff_options *diff_opts)
{
git_buf o = GIT_BUF_INIT, n = GIT_BUF_INIT,
*optr = NULL, *nptr = NULL;
if (old) {
o.ptr = (char *)old;
o.size = strlen(old);
optr = &o;
}
if (new) {
n.ptr = (char *)new;
n.size = strlen(new);
nptr = &n;
}
return apply_gitbuf(optr, oldname, nptr, newname, patch_expected, diff_opts);
}
void test_apply_fromdiff__change_middle(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_CHANGE_MIDDLE, "file.txt",
PATCH_ORIGINAL_TO_CHANGE_MIDDLE, NULL));
}
void test_apply_fromdiff__change_middle_nocontext(void)
{
git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
diff_opts.context_lines = 0;
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_CHANGE_MIDDLE, "file.txt",
PATCH_ORIGINAL_TO_CHANGE_MIDDLE_NOCONTEXT, &diff_opts));
}
void test_apply_fromdiff__change_firstline(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_CHANGE_FIRSTLINE, "file.txt",
PATCH_ORIGINAL_TO_CHANGE_FIRSTLINE, NULL));
}
void test_apply_fromdiff__lastline(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_CHANGE_LASTLINE, "file.txt",
PATCH_ORIGINAL_TO_CHANGE_LASTLINE, NULL));
}
void test_apply_fromdiff__prepend(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_PREPEND, "file.txt",
PATCH_ORIGINAL_TO_PREPEND, NULL));
}
void test_apply_fromdiff__prepend_nocontext(void)
{
git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
diff_opts.context_lines = 0;
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_PREPEND, "file.txt",
PATCH_ORIGINAL_TO_PREPEND_NOCONTEXT, &diff_opts));
}
void test_apply_fromdiff__prepend_and_change(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_PREPEND_AND_CHANGE, "file.txt",
PATCH_ORIGINAL_TO_PREPEND_AND_CHANGE, NULL));
}
void test_apply_fromdiff__prepend_and_change_nocontext(void)
{
git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
diff_opts.context_lines = 0;
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_PREPEND_AND_CHANGE, "file.txt",
PATCH_ORIGINAL_TO_PREPEND_AND_CHANGE_NOCONTEXT, &diff_opts));
}
void test_apply_fromdiff__delete_and_change(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_DELETE_AND_CHANGE, "file.txt",
PATCH_ORIGINAL_TO_DELETE_AND_CHANGE, NULL));
}
void test_apply_fromdiff__delete_and_change_nocontext(void)
{
git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
diff_opts.context_lines = 0;
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_DELETE_AND_CHANGE, "file.txt",
PATCH_ORIGINAL_TO_DELETE_AND_CHANGE_NOCONTEXT, &diff_opts));
}
void test_apply_fromdiff__delete_firstline(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_DELETE_FIRSTLINE, "file.txt",
PATCH_ORIGINAL_TO_DELETE_FIRSTLINE, NULL));
}
void test_apply_fromdiff__append(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_APPEND, "file.txt",
PATCH_ORIGINAL_TO_APPEND, NULL));
}
void test_apply_fromdiff__append_nocontext(void)
{
git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
diff_opts.context_lines = 0;
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_APPEND, "file.txt",
PATCH_ORIGINAL_TO_APPEND_NOCONTEXT, &diff_opts));
}
void test_apply_fromdiff__prepend_and_append(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_PREPEND_AND_APPEND, "file.txt",
PATCH_ORIGINAL_TO_PREPEND_AND_APPEND, NULL));
}
void test_apply_fromdiff__to_empty_file(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
"", NULL,
PATCH_ORIGINAL_TO_EMPTY_FILE, NULL));
}
void test_apply_fromdiff__from_empty_file(void)
{
cl_git_pass(apply_buf(
"", NULL,
FILE_ORIGINAL, "file.txt",
PATCH_EMPTY_FILE_TO_ORIGINAL, NULL));
}
void test_apply_fromdiff__add(void)
{
cl_git_pass(apply_buf(
NULL, NULL,
FILE_ORIGINAL, "file.txt",
PATCH_ADD_ORIGINAL, NULL));
}
void test_apply_fromdiff__delete(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
NULL, NULL,
PATCH_DELETE_ORIGINAL, NULL));
}
void test_apply_fromdiff__no_change(void)
{
cl_git_pass(apply_buf(
FILE_ORIGINAL, "file.txt",
FILE_ORIGINAL, "file.txt",
"", NULL));
}
void test_apply_fromdiff__binary_add(void)
{
git_buf newfile = GIT_BUF_INIT;
newfile.ptr = FILE_BINARY_DELTA_MODIFIED;
newfile.size = FILE_BINARY_DELTA_MODIFIED_LEN;
cl_git_pass(apply_gitbuf(
NULL, NULL,
&newfile, "binary.bin",
NULL, &binary_opts));
}
void test_apply_fromdiff__binary_no_change(void)
{
git_buf original = GIT_BUF_INIT;
original.ptr = FILE_BINARY_DELTA_ORIGINAL;
original.size = FILE_BINARY_DELTA_ORIGINAL_LEN;
cl_git_pass(apply_gitbuf(
&original, "binary.bin",
&original, "binary.bin",
"", &binary_opts));
}
void test_apply_fromdiff__binary_change_delta(void)
{
git_buf original = GIT_BUF_INIT, modified = GIT_BUF_INIT;
original.ptr = FILE_BINARY_DELTA_ORIGINAL;
original.size = FILE_BINARY_DELTA_ORIGINAL_LEN;
modified.ptr = FILE_BINARY_DELTA_MODIFIED;
modified.size = FILE_BINARY_DELTA_MODIFIED_LEN;
cl_git_pass(apply_gitbuf(
&original, "binary.bin",
&modified, "binary.bin",
NULL, &binary_opts));
}
void test_apply_fromdiff__binary_change_literal(void)
{
git_buf original = GIT_BUF_INIT, modified = GIT_BUF_INIT;
original.ptr = FILE_BINARY_LITERAL_ORIGINAL;
original.size = FILE_BINARY_LITERAL_ORIGINAL_LEN;
modified.ptr = FILE_BINARY_LITERAL_MODIFIED;
modified.size = FILE_BINARY_LITERAL_MODIFIED_LEN;
cl_git_pass(apply_gitbuf(
&original, "binary.bin",
&modified, "binary.bin",
NULL, &binary_opts));
}
void test_apply_fromdiff__binary_delete(void)
{
git_buf original = GIT_BUF_INIT;
original.ptr = FILE_BINARY_DELTA_MODIFIED;
original.size = FILE_BINARY_DELTA_MODIFIED_LEN;
cl_git_pass(apply_gitbuf(
&original, "binary.bin",
NULL, NULL,
NULL, &binary_opts));
}
void test_apply_fromdiff__patching_correctly_truncates_source(void)
{
git_buf original = GIT_BUF_INIT, patched = GIT_BUF_INIT;
git_patch *patch;
unsigned int mode;
char *path;
cl_git_pass(git_patch_from_buffers(&patch,
"foo\nbar", 7, "file.txt",
"foo\nfoo", 7, "file.txt", NULL));
/*
* Previously, we would fail to correctly truncate the source buffer if
* the source has more than one line and ends with a non-newline
* character. In the following call, we thus truncate the source string
* in the middle of the second line. Without the bug fixed, we would
* successfully apply the patch to the source and return success. With
* the overflow being fixed, we should return an error.
*/
cl_git_fail_with(GIT_EAPPLYFAIL,
git_apply__patch(&patched, &path, &mode,
"foo\nbar\n", 5, patch, NULL));
/* Verify that the patch succeeds if we do not truncate */
cl_git_pass(git_apply__patch(&patched, &path, &mode,
"foo\nbar\n", 7, patch, NULL));
git_buf_dispose(&original);
git_buf_dispose(&patched);
git_patch_free(patch);
git__free(path);
}