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#include "clar_libgit2.h"
#include "patch.h"
#include "patch_parse.h"
#include "diff_helpers.h"
#include "../patch/patch_common.h"
void test_diff_parse__cleanup(void)
{
cl_git_sandbox_cleanup();
}
void test_diff_parse__nonpatches_fail_with_notfound(void)
{
git_diff *diff;
const char *not = PATCH_NOT_A_PATCH;
const char *not_with_leading = "Leading text.\n" PATCH_NOT_A_PATCH;
const char *not_with_trailing = PATCH_NOT_A_PATCH "Trailing text.\n";
const char *not_with_both = "Lead.\n" PATCH_NOT_A_PATCH "Trail.\n";
cl_git_fail_with(GIT_ENOTFOUND,
git_diff_from_buffer(&diff,
not,
strlen(not)));
cl_git_fail_with(GIT_ENOTFOUND,
git_diff_from_buffer(&diff,
not_with_leading,
strlen(not_with_leading)));
cl_git_fail_with(GIT_ENOTFOUND,
git_diff_from_buffer(&diff,
not_with_trailing,
strlen(not_with_trailing)));
cl_git_fail_with(GIT_ENOTFOUND,
git_diff_from_buffer(&diff,
not_with_both,
strlen(not_with_both)));
}
static void test_parse_invalid_diff(const char *invalid_diff)
{
git_diff *diff;
git_buf buf = GIT_BUF_INIT;
/* throw some random (legitimate) diffs in with the given invalid
* one.
*/
git_buf_puts(&buf, PATCH_ORIGINAL_TO_CHANGE_FIRSTLINE);
git_buf_puts(&buf, PATCH_BINARY_DELTA);
git_buf_puts(&buf, invalid_diff);
git_buf_puts(&buf, PATCH_ORIGINAL_TO_CHANGE_MIDDLE);
git_buf_puts(&buf, PATCH_BINARY_LITERAL);
cl_git_fail_with(GIT_ERROR,
git_diff_from_buffer(&diff, buf.ptr, buf.size));
git_buf_free(&buf);
}
void test_diff_parse__invalid_patches_fails(void)
{
test_parse_invalid_diff(PATCH_CORRUPT_MISSING_NEW_FILE);
test_parse_invalid_diff(PATCH_CORRUPT_MISSING_OLD_FILE);
test_parse_invalid_diff(PATCH_CORRUPT_NO_CHANGES);
test_parse_invalid_diff(PATCH_CORRUPT_MISSING_HUNK_HEADER);
}
static void test_tree_to_tree_computed_to_parsed(
const char *sandbox, const char *a_id, const char *b_id,
uint32_t diff_flags, uint32_t find_flags)
{
git_repository *repo;
git_diff *computed, *parsed;
git_tree *a, *b;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT;
git_buf computed_buf = GIT_BUF_INIT;
repo = cl_git_sandbox_init(sandbox);
opts.id_abbrev = GIT_OID_HEXSZ;
opts.flags = GIT_DIFF_SHOW_BINARY | diff_flags;
findopts.flags = find_flags;
cl_assert((a = resolve_commit_oid_to_tree(repo, a_id)) != NULL);
cl_assert((b = resolve_commit_oid_to_tree(repo, b_id)) != NULL);
cl_git_pass(git_diff_tree_to_tree(&computed, repo, a, b, &opts));
if (find_flags)
cl_git_pass(git_diff_find_similar(computed, &findopts));
cl_git_pass(git_diff_to_buf(&computed_buf,
computed, GIT_DIFF_FORMAT_PATCH));
cl_git_pass(git_diff_from_buffer(&parsed,
computed_buf.ptr, computed_buf.size));
diff_assert_equal(computed, parsed);
git_tree_free(a);
git_tree_free(b);
git_diff_free(computed);
git_diff_free(parsed);
git_buf_free(&computed_buf);
cl_git_sandbox_cleanup();
}
void test_diff_parse__can_parse_generated_diff(void)
{
test_tree_to_tree_computed_to_parsed(
"diff", "d70d245e", "7a9e0b02", 0, 0);
test_tree_to_tree_computed_to_parsed(
"unsymlinked.git", "806999", "a8595c", 0, 0);
test_tree_to_tree_computed_to_parsed("diff",
"d70d245ed97ed2aa596dd1af6536e4bfdb047b69",
"7a9e0b02e63179929fed24f0a3e0f19168114d10", 0, 0);
test_tree_to_tree_computed_to_parsed(
"unsymlinked.git", "7fccd7", "806999", 0, 0);
test_tree_to_tree_computed_to_parsed(
"unsymlinked.git", "7fccd7", "a8595c", 0, 0);
test_tree_to_tree_computed_to_parsed(
"attr", "605812a", "370fe9ec22", 0, 0);
test_tree_to_tree_computed_to_parsed(
"attr", "f5b0af1fb4f5c", "370fe9ec22", 0, 0);
test_tree_to_tree_computed_to_parsed(
"diff", "d70d245e", "d70d245e", 0, 0);
test_tree_to_tree_computed_to_parsed("diff_format_email",
"873806f6f27e631eb0b23e4b56bea2bfac14a373",
"897d3af16ca9e420cd071b1c4541bd2b91d04c8c",
GIT_DIFF_SHOW_BINARY, 0);
test_tree_to_tree_computed_to_parsed("diff_format_email",
"897d3af16ca9e420cd071b1c4541bd2b91d04c8c",
"873806f6f27e631eb0b23e4b56bea2bfac14a373",
GIT_DIFF_SHOW_BINARY, 0);
test_tree_to_tree_computed_to_parsed("renames",
"31e47d8c1fa36d7f8d537b96158e3f024de0a9f2",
"2bc7f351d20b53f1c72c16c4b036e491c478c49a",
0, GIT_DIFF_FIND_RENAMES);
test_tree_to_tree_computed_to_parsed("renames",
"31e47d8c1fa36d7f8d537b96158e3f024de0a9f2",
"2bc7f351d20b53f1c72c16c4b036e491c478c49a",
GIT_DIFF_INCLUDE_UNMODIFIED,
0);
test_tree_to_tree_computed_to_parsed("renames",
"31e47d8c1fa36d7f8d537b96158e3f024de0a9f2",
"2bc7f351d20b53f1c72c16c4b036e491c478c49a",
GIT_DIFF_INCLUDE_UNMODIFIED,
GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED | GIT_DIFF_FIND_EXACT_MATCH_ONLY);
}
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