thodg/libgit2/tests-clar/diff/rename.c
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Hash : 323bb885
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Date : 2013-03-04T00:21:56
Fix a few leaks `git_diff_get_patch()` would unconditionally load the patch object and then simply leak it if the user hadn't requested it. Short-circuit loading the object if the user doesn't want it. The rest of the plugs are simply calling the free functions of objects allocated during the tests.
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tests-clar/diff/rename.c
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#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__working_directory_changes(void) { /* let's rewrite some files in the working directory on demand */ /* and with / without CRLF changes */ }