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#include "clar_libgit2.h"
#include "patch.h"
#include "patch_parse.h"
#include "patch_common.h"
static void ensure_patch_validity(git_patch *patch)
{
const git_diff_delta *delta;
char idstr[GIT_OID_HEXSZ+1] = {0};
cl_assert((delta = git_patch_get_delta(patch)) != NULL);
cl_assert_equal_i(2, delta->nfiles);
cl_assert_equal_s(delta->old_file.path, "file.txt");
cl_assert(delta->old_file.mode == GIT_FILEMODE_BLOB);
cl_assert_equal_i(7, delta->old_file.id_abbrev);
git_oid_nfmt(idstr, delta->old_file.id_abbrev, &delta->old_file.id);
cl_assert_equal_s(idstr, "9432026");
cl_assert_equal_i(0, delta->old_file.size);
cl_assert_equal_s(delta->new_file.path, "file.txt");
cl_assert(delta->new_file.mode == GIT_FILEMODE_BLOB);
cl_assert_equal_i(7, delta->new_file.id_abbrev);
git_oid_nfmt(idstr, delta->new_file.id_abbrev, &delta->new_file.id);
cl_assert_equal_s(idstr, "cd8fd12");
cl_assert_equal_i(0, delta->new_file.size);
}
static void ensure_identical_patch_inout(const char *content) {
git_buf buf = GIT_BUF_INIT;
git_patch *patch;
cl_git_pass(git_patch_from_buffer(&patch, content, strlen(content), NULL));
cl_git_pass(git_patch_to_buf(&buf, patch));
cl_assert_equal_strn(git_buf_cstr(&buf), content, strlen(content));
git_patch_free(patch);
git_buf_dispose(&buf);
}
void test_patch_parse__original_to_change_middle(void)
{
git_patch *patch;
cl_git_pass(git_patch_from_buffer(
&patch, PATCH_ORIGINAL_TO_CHANGE_MIDDLE,
strlen(PATCH_ORIGINAL_TO_CHANGE_MIDDLE), NULL));
ensure_patch_validity(patch);
git_patch_free(patch);
}
void test_patch_parse__leading_and_trailing_garbage(void)
{
git_patch *patch;
const char *leading = "This is some leading garbage.\n"
"Maybe it's email headers?\n"
"\n"
PATCH_ORIGINAL_TO_CHANGE_MIDDLE;
const char *trailing = PATCH_ORIGINAL_TO_CHANGE_MIDDLE
"\n"
"This is some trailing garbage.\n"
"Maybe it's an email signature?\n";
const char *both = "Here's some leading garbage\n"
PATCH_ORIGINAL_TO_CHANGE_MIDDLE
"And here's some trailing.\n";
cl_git_pass(git_patch_from_buffer(&patch, leading, strlen(leading),
NULL));
ensure_patch_validity(patch);
git_patch_free(patch);
cl_git_pass(git_patch_from_buffer(&patch, trailing, strlen(trailing),
NULL));
ensure_patch_validity(patch);
git_patch_free(patch);
cl_git_pass(git_patch_from_buffer(&patch, both, strlen(both),
NULL));
ensure_patch_validity(patch);
git_patch_free(patch);
}
void test_patch_parse__nonpatches_fail_with_notfound(void)
{
git_patch *patch;
cl_git_fail_with(GIT_ENOTFOUND,
git_patch_from_buffer(&patch, PATCH_NOT_A_PATCH,
strlen(PATCH_NOT_A_PATCH), NULL));
}
void test_patch_parse__invalid_patches_fails(void)
{
git_patch *patch;
cl_git_fail_with(GIT_ERROR,
git_patch_from_buffer(&patch, PATCH_CORRUPT_GIT_HEADER,
strlen(PATCH_CORRUPT_GIT_HEADER), NULL));
cl_git_fail_with(GIT_ERROR,
git_patch_from_buffer(&patch,
PATCH_CORRUPT_MISSING_NEW_FILE,
strlen(PATCH_CORRUPT_MISSING_NEW_FILE), NULL));
cl_git_fail_with(GIT_ERROR,
git_patch_from_buffer(&patch,
PATCH_CORRUPT_MISSING_OLD_FILE,
strlen(PATCH_CORRUPT_MISSING_OLD_FILE), NULL));
cl_git_fail_with(GIT_ERROR,
git_patch_from_buffer(&patch, PATCH_CORRUPT_NO_CHANGES,
strlen(PATCH_CORRUPT_NO_CHANGES), NULL));
cl_git_fail_with(GIT_ERROR,
git_patch_from_buffer(&patch,
PATCH_CORRUPT_MISSING_HUNK_HEADER,
strlen(PATCH_CORRUPT_MISSING_HUNK_HEADER), NULL));
}
void test_patch_parse__no_newline_at_end_of_new_file(void)
{
ensure_identical_patch_inout(PATCH_APPEND_NO_NL);
}
void test_patch_parse__no_newline_at_end_of_old_file(void)
{
ensure_identical_patch_inout(PATCH_APPEND_NO_NL_IN_OLD_FILE);
}
void test_patch_parse__files_with_whitespaces_succeeds(void)
{
ensure_identical_patch_inout(PATCH_NAME_WHITESPACE);
}
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