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fuchsia / third_party / libgit2 / 7cd53f92f05609628da0a79ae5870b18bea149af / . / tests-clar / diff / rename.c
blob: 8134cb6b79eb3cf53ec1b5ebcf16e59d6f5bf607 [file] [log] [blame]
#include "clar_libgit2.h"
#include "diff_helpers.h"
static git_repository *g_repo = NULL;
void test_diff_rename__initialize(void)
{
g_repo = cl_git_sandbox_init("renames");
}
void test_diff_rename__cleanup(void)
{
cl_git_sandbox_cleanup();
}
/*
* Renames repo has:
*
* commit 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 -
* serving.txt (25 lines)
* sevencities.txt (50 lines)
* commit 2bc7f351d20b53f1c72c16c4b036e491c478c49a -
* serving.txt -> sixserving.txt (rename, no change, 100% match)
* sevencities.txt -> sevencities.txt (no change)
* sevencities.txt -> songofseven.txt (copy, no change, 100% match)
* commit 1c068dee5790ef1580cfc4cd670915b48d790084
* songofseven.txt -> songofseven.txt (major rewrite, <20% match - split)
* sixserving.txt -> sixserving.txt (indentation change)
* sixserving.txt -> ikeepsix.txt (copy, add title, >80% match)
* sevencities.txt (no change)
* commit 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13
* songofseven.txt -> untimely.txt (rename, convert to crlf)
* ikeepsix.txt -> ikeepsix.txt (reorder sections in file)
* sixserving.txt -> sixserving.txt (whitespace change - not just indent)
* sevencities.txt -> songof7cities.txt (rename, small text changes)
*/
void test_diff_rename__match_oid(void)
{
const char *old_sha = "31e47d8c1fa36d7f8d537b96158e3f024de0a9f2";
const char *new_sha = "2bc7f351d20b53f1c72c16c4b036e491c478c49a";
git_tree *old_tree, *new_tree;
git_diff_list *diff;
git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;
diff_expects exp;
old_tree = resolve_commit_oid_to_tree(g_repo, old_sha);
new_tree = resolve_commit_oid_to_tree(g_repo, new_sha);
/* Must pass GIT_DIFF_INCLUDE_UNMODIFIED if you expect to emulate
* --find-copies-harder during rename transformion...
*/
diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
/* git diff --no-renames \
* 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \
* 2bc7f351d20b53f1c72c16c4b036e491c478c49a
*/
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(4, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
/* git diff 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \
* 2bc7f351d20b53f1c72c16c4b036e491c478c49a
*/
cl_git_pass(git_diff_find_similar(diff, NULL));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(3, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
git_diff_list_free(diff);
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
/* git diff --find-copies-harder \
* 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \
* 2bc7f351d20b53f1c72c16c4b036e491c478c49a
*/
opts.flags = GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED;
cl_git_pass(git_diff_find_similar(diff, &opts));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(3, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
git_diff_list_free(diff);
git_tree_free(old_tree);
git_tree_free(new_tree);
}
void test_diff_rename__checks_options_version(void)
{
const char *old_sha = "31e47d8c1fa36d7f8d537b96158e3f024de0a9f2";
const char *new_sha = "2bc7f351d20b53f1c72c16c4b036e491c478c49a";
git_tree *old_tree, *new_tree;
git_diff_list *diff;
git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;
const git_error *err;
old_tree = resolve_commit_oid_to_tree(g_repo, old_sha);
new_tree = resolve_commit_oid_to_tree(g_repo, new_sha);
diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
opts.version = 0;
cl_git_fail(git_diff_find_similar(diff, &opts));
err = giterr_last();
cl_assert_equal_i(GITERR_INVALID, err->klass);
giterr_clear();
opts.version = 1024;
cl_git_fail(git_diff_find_similar(diff, &opts));
err = giterr_last();
cl_assert_equal_i(GITERR_INVALID, err->klass);
git_diff_list_free(diff);
git_tree_free(old_tree);
git_tree_free(new_tree);
}
void test_diff_rename__not_exact_match(void)
{
const char *sha0 = "2bc7f351d20b53f1c72c16c4b036e491c478c49a";
const char *sha1 = "1c068dee5790ef1580cfc4cd670915b48d790084";
const char *sha2 = "19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13";
git_tree *old_tree, *new_tree;
git_diff_list *diff;
git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;
diff_expects exp;
/* == Changes =====================================================
* songofseven.txt -> songofseven.txt (major rewrite, <20% match - split)
* sixserving.txt -> sixserving.txt (indentation change)
* sixserving.txt -> ikeepsix.txt (copy, add title, >80% match)
* sevencities.txt (no change)
*/
old_tree = resolve_commit_oid_to_tree(g_repo, sha0);
new_tree = resolve_commit_oid_to_tree(g_repo, sha1);
/* Must pass GIT_DIFF_INCLUDE_UNMODIFIED if you expect to emulate
* --find-copies-harder during rename transformion...
*/
diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
/* git diff --no-renames \
* 2bc7f351d20b53f1c72c16c4b036e491c478c49a \
* 1c068dee5790ef1580cfc4cd670915b48d790084
*/
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(4, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]);
/* git diff -M 2bc7f351d20b53f1c72c16c4b036e491c478c49a \
* 1c068dee5790ef1580cfc4cd670915b48d790084
*
* must not pass NULL for opts because it will pick up environment
* values for "diff.renames" and test won't be consistent.
*/
opts.flags = GIT_DIFF_FIND_RENAMES;
cl_git_pass(git_diff_find_similar(diff, &opts));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(4, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]);
git_diff_list_free(diff);
/* git diff -M -C \
* 2bc7f351d20b53f1c72c16c4b036e491c478c49a \
* 1c068dee5790ef1580cfc4cd670915b48d790084
*/
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
opts.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES;
cl_git_pass(git_diff_find_similar(diff, &opts));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(4, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]);
git_diff_list_free(diff);
/* git diff -M -C --find-copies-harder --break-rewrites \
* 2bc7f351d20b53f1c72c16c4b036e491c478c49a \
* 1c068dee5790ef1580cfc4cd670915b48d790084
*/
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
opts.flags = GIT_DIFF_FIND_ALL;
cl_git_pass(git_diff_find_similar(diff, &opts));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(5, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]);
git_diff_list_free(diff);
/* == Changes =====================================================
* songofseven.txt -> untimely.txt (rename, convert to crlf)
* ikeepsix.txt -> ikeepsix.txt (reorder sections in file)
* sixserving.txt -> sixserving.txt (whitespace - not just indent)
* sevencities.txt -> songof7cities.txt (rename, small text changes)
*/
git_tree_free(old_tree);
old_tree = new_tree;
new_tree = resolve_commit_oid_to_tree(g_repo, sha2);
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
/* git diff --no-renames \
* 1c068dee5790ef1580cfc4cd670915b48d790084 \
* 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13
*/
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(6, exp.files);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]);
git_diff_list_free(diff);
/* git diff -M -C \
* 1c068dee5790ef1580cfc4cd670915b48d790084 \
* 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13
*/
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
opts.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES;
cl_git_pass(git_diff_find_similar(diff, &opts));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(4, exp.files);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]);
git_diff_list_free(diff);
/* git diff -M -C --find-copies-harder --break-rewrites \
* 1c068dee5790ef1580cfc4cd670915b48d790084 \
* 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13
* with libgit2 default similarity comparison...
*/
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
opts.flags = GIT_DIFF_FIND_ALL;
cl_git_pass(git_diff_find_similar(diff, &opts));
/* the default match algorithm is going to find the internal
* whitespace differences in the lines of sixserving.txt to be
* significant enough that this will decide to split it into
* an ADD and a DELETE
*/
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(5, exp.files);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]);
git_diff_list_free(diff);
/* git diff -M -C --find-copies-harder --break-rewrites \
* 1c068dee5790ef1580cfc4cd670915b48d790084 \
* 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13
* with ignore_space whitespace comparision
*/
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
opts.flags = GIT_DIFF_FIND_ALL | GIT_DIFF_FIND_IGNORE_WHITESPACE;
cl_git_pass(git_diff_find_similar(diff, &opts));
/* Ignoring whitespace, this should no longer split sixserver.txt */
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(4, exp.files);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]);
git_diff_list_free(diff);
git_tree_free(old_tree);
git_tree_free(new_tree);
}
void test_diff_rename__handles_small_files(void)
{
const char *tree_sha = "2bc7f351d20b53f1c72c16c4b036e491c478c49a";
git_index *index;
git_tree *tree;
git_diff_list *diff;
git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;
cl_git_pass(git_repository_index(&index, g_repo));
tree = resolve_commit_oid_to_tree(g_repo, tree_sha);
cl_git_rewritefile("renames/songof7cities.txt", "single line\n");
cl_git_pass(git_index_add_bypath(index, "songof7cities.txt"));
cl_git_rewritefile("renames/untimely.txt", "untimely\n");
cl_git_pass(git_index_add_bypath(index, "untimely.txt"));
/* Tests that we can invoke find_similar on small files
* and that the GIT_EBUFS (too small) error code is not
* propagated to the caller.
*/
cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts));
opts.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES | GIT_DIFF_FIND_AND_BREAK_REWRITES;
cl_git_pass(git_diff_find_similar(diff, &opts));
git_diff_list_free(diff);
git_tree_free(tree);
git_index_free(index);
}
void test_diff_rename__working_directory_changes(void)
{
/* let's rewrite some files in the working directory on demand */
/* and with / without CRLF changes */
}
void test_diff_rename__patch(void)
{
const char *sha0 = "2bc7f351d20b53f1c72c16c4b036e491c478c49a";
const char *sha1 = "1c068dee5790ef1580cfc4cd670915b48d790084";
git_tree *old_tree, *new_tree;
git_diff_list *diff;
git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;
git_diff_patch *patch;
const git_diff_delta *delta;
char *text;
const char *expected = "diff --git a/sixserving.txt b/ikeepsix.txt\nindex ad0a8e5..36020db 100644\n--- a/sixserving.txt\n+++ b/ikeepsix.txt\n@@ -1,3 +1,6 @@\n+I Keep Six Honest Serving-Men\n+=============================\n+\n I KEEP six honest serving-men\n (They taught me all I knew);\n Their names are What and Why and When\n@@ -21,4 +24,4 @@\n One million Hows, two million Wheres,\n And seven million Whys!\n \n- -- Rudyard Kipling\n+ -- Rudyard Kipling\n";
old_tree = resolve_commit_oid_to_tree(g_repo, sha0);
new_tree = resolve_commit_oid_to_tree(g_repo, sha1);
diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
cl_git_pass(git_diff_tree_to_tree(
&diff, g_repo, old_tree, new_tree, &diffopts));
opts.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES;
cl_git_pass(git_diff_find_similar(diff, &opts));
/* == Changes =====================================================
* sixserving.txt -> ikeepsix.txt (copy, add title, >80% match)
* sevencities.txt (no change)
* sixserving.txt -> sixserving.txt (indentation change)
* songofseven.txt -> songofseven.txt (major rewrite, <20% match - split)
*/
cl_assert_equal_i(4, (int)git_diff_num_deltas(diff));
cl_git_pass(git_diff_get_patch(&patch, &delta, diff, 0));
cl_assert_equal_i(GIT_DELTA_COPIED, (int)delta->status);
cl_git_pass(git_diff_patch_to_str(&text, patch));
cl_assert_equal_s(expected, text);
git__free(text);
git_diff_patch_free(patch);
cl_git_pass(git_diff_get_patch(NULL, &delta, diff, 1));
cl_assert_equal_i(GIT_DELTA_UNMODIFIED, (int)delta->status);
cl_git_pass(git_diff_get_patch(NULL, &delta, diff, 2));
cl_assert_equal_i(GIT_DELTA_MODIFIED, (int)delta->status);
cl_git_pass(git_diff_get_patch(NULL, &delta, diff, 3));
cl_assert_equal_i(GIT_DELTA_MODIFIED, (int)delta->status);
git_diff_list_free(diff);
}