thodg/libgit2/tests/revert/revert.c

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• Hash : 300d192f
  Author :
  Date : 2013-12-02T11:15:27
  

  Introduce git_revert to revert a single commit

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• tests/revert/revert.c

• #include "clar.h"
  #include "clar_libgit2.h"
  
  #include "buffer.h"
  #include "fileops.h"
  #include "git2/revert.h"
  
  #include "../merge/merge_helpers.h"
  
  #define TEST_REPO_PATH "revert"
  
  static git_repository *repo;
  static git_index *repo_index;
  
  // Fixture setup and teardown
  void test_revert_revert__initialize(void)
  {
  	repo = cl_git_sandbox_init(TEST_REPO_PATH);
  	git_repository_index(&repo_index, repo);
  }
  
  void test_revert_revert__cleanup(void)
  {
  	git_index_free(repo_index);
  	cl_git_sandbox_cleanup();
  }
  
  /* git reset --hard 72333f47d4e83616630ff3b0ffe4c0faebcc3c45
   * git revert --no-commit d1d403d22cbe24592d725f442835cf46fe60c8ac */
  void test_revert_revert__automerge(void)
  {
  	git_commit *head, *commit;
  	git_oid head_oid, revert_oid;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "caf99de3a49827117bb66721010eac461b06a80c", 0, "file1.txt" },
  		{ 0100644, "0ab09ea6d4c3634bdf6c221626d8b6f7dd890767", 0, "file2.txt" },
  		{ 0100644, "f4e107c230d08a60fb419d19869f1f282b272d9c", 0, "file3.txt" },
  		{ 0100644, "0f5bfcf58c558d865da6be0281d7795993646cee", 0, "file6.txt" },
  	};
  
  	git_oid_fromstr(&head_oid, "72333f47d4e83616630ff3b0ffe4c0faebcc3c45");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	git_oid_fromstr(&revert_oid, "d1d403d22cbe24592d725f442835cf46fe60c8ac");
  	cl_git_pass(git_commit_lookup(&commit, repo, &revert_oid));
  	cl_git_pass(git_revert(repo, commit, NULL));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 4));
  
  	git_commit_free(commit);
  	git_commit_free(head);
  }
  
  /* git revert --no-commit 72333f47d4e83616630ff3b0ffe4c0faebcc3c45 */
  void test_revert_revert__conflicts(void)
  {
  	git_reference *head_ref;
  	git_commit *head, *commit;
  	git_oid revert_oid;
  	git_buf conflicting_buf = GIT_BUF_INIT;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "7731926a337c4eaba1e2187d90ebfa0a93659382", 1, "file1.txt" },
  		{ 0100644, "4b8fcff56437e60f58e9a6bc630dd242ebf6ea2c", 2, "file1.txt" },
  		{ 0100644, "3a3ef367eaf3fe79effbfb0a56b269c04c2b59fe", 3, "file1.txt" },
  		{ 0100644, "0ab09ea6d4c3634bdf6c221626d8b6f7dd890767", 0, "file2.txt" },
  		{ 0100644, "f4e107c230d08a60fb419d19869f1f282b272d9c", 0, "file3.txt" },
  		{ 0100644, "0f5bfcf58c558d865da6be0281d7795993646cee", 0, "file6.txt" },
  	};
  
  	git_oid_fromstr(&revert_oid, "72333f47d4e83616630ff3b0ffe4c0faebcc3c45");
  
  	cl_git_pass(git_repository_head(&head_ref, repo));
  	cl_git_pass(git_reference_peel((git_object **)&head, head_ref, GIT_OBJ_COMMIT));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	cl_git_pass(git_commit_lookup(&commit, repo, &revert_oid));
  	cl_git_pass(git_revert(repo, commit, NULL));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 6));
  
  	cl_git_pass(git_futils_readbuffer(&conflicting_buf,
  		TEST_REPO_PATH "/file1.txt"));
  	cl_assert(strcmp(conflicting_buf.ptr, "!File one!\n" \
  		"!File one!\n" \
  		"File one!\n" \
  		"File one\n" \
  		"File one\n" \
  		"File one\n" \
  		"File one\n" \
  		"File one\n" \
  		"File one\n" \
  		"File one\n" \
  		"<<<<<<< HEAD\n" \
  		"File one!\n" \
  		"!File one!\n" \
  		"!File one!\n" \
  		"!File one!\n" \
  		"=======\n" \
  		"File one\n" \
  		"File one\n" \
  		"File one\n" \
  		"File one\n" \
  		">>>>>>> parent of 72333f4... automergeable changes\n") == 0);
  
  	git_commit_free(commit);
  	git_commit_free(head);
  	git_reference_free(head_ref);
  	git_buf_free(&conflicting_buf);
  }
  
  /* git reset --hard 39467716290f6df775a91cdb9a4eb39295018145
   * git revert --no-commit ebb03002cee5d66c7732dd06241119fe72ab96a5
  */
  void test_revert_revert__orphan(void)
  {
  	git_commit *head, *commit;
  	git_oid head_oid, revert_oid;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "296a6d3be1dff05c5d1f631d2459389fa7b619eb", 0, "file-mainline.txt" },
  	};
  
  	git_oid_fromstr(&head_oid, "39467716290f6df775a91cdb9a4eb39295018145");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	git_oid_fromstr(&revert_oid, "ebb03002cee5d66c7732dd06241119fe72ab96a5");
  	cl_git_pass(git_commit_lookup(&commit, repo, &revert_oid));
  	cl_git_pass(git_revert(repo, commit, NULL));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 1));
  
  	git_commit_free(commit);
  	git_commit_free(head);
  }
  
  /* git reset --hard 72333f47d4e83616630ff3b0ffe4c0faebcc3c45
   * git revert --no-commit d1d403d22cbe24592d725f442835cf46fe60c8ac */
  void test_revert_revert__conflict_use_ours(void)
  {
  	git_commit *head, *commit;
  	git_oid head_oid, revert_oid;
  	git_revert_opts opts = GIT_REVERT_OPTS_INIT;
  
  	opts.merge_tree_opts.automerge_flags = GIT_MERGE_AUTOMERGE_NONE;
  	opts.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE | GIT_CHECKOUT_USE_OURS;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "3a3ef367eaf3fe79effbfb0a56b269c04c2b59fe", 1, "file1.txt" },
  		{ 0100644, "7731926a337c4eaba1e2187d90ebfa0a93659382", 2, "file1.txt" },
  		{ 0100644, "747726e021bc5f44b86de60e3032fd6f9f1b8383", 3, "file1.txt" },
  		{ 0100644, "0ab09ea6d4c3634bdf6c221626d8b6f7dd890767", 0, "file2.txt" },
  		{ 0100644, "f4e107c230d08a60fb419d19869f1f282b272d9c", 0, "file3.txt" },
  		{ 0100644, "0f5bfcf58c558d865da6be0281d7795993646cee", 0, "file6.txt" },
  	};
  
  	struct merge_index_entry merge_filesystem_entries[] = {
  		{ 0100644, "7731926a337c4eaba1e2187d90ebfa0a93659382", 0, "file1.txt" },
  		{ 0100644, "0ab09ea6d4c3634bdf6c221626d8b6f7dd890767", 0, "file2.txt" },
  		{ 0100644, "f4e107c230d08a60fb419d19869f1f282b272d9c", 0, "file3.txt" },
  		{ 0100644, "0f5bfcf58c558d865da6be0281d7795993646cee", 0, "file6.txt" },
  	};
  
  	git_oid_fromstr(&head_oid, "72333f47d4e83616630ff3b0ffe4c0faebcc3c45");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	git_oid_fromstr(&revert_oid, "d1d403d22cbe24592d725f442835cf46fe60c8ac");
  	cl_git_pass(git_commit_lookup(&commit, repo, &revert_oid));
  	cl_git_pass(git_revert(repo, commit, &opts));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 6));
  	cl_assert(merge_test_workdir(repo, merge_filesystem_entries, 4));
  
  	git_commit_free(commit);
  	git_commit_free(head);
  }
  
  /* git reset --hard cef56612d71a6af8d8015691e4865f7fece905b5
   * git revert --no-commit 55568c8de5322ff9a95d72747a239cdb64a19965
   */
  void test_revert_revert__rename_1_of_2(void)
  {
  	git_commit *head, *commit;
  	git_oid head_oid, revert_oid;
  	git_revert_opts opts = GIT_REVERT_OPTS_INIT;
  
  	opts.merge_tree_opts.flags |= GIT_MERGE_TREE_FIND_RENAMES;
  	opts.merge_tree_opts.rename_threshold = 50;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "747726e021bc5f44b86de60e3032fd6f9f1b8383", 0, "file1.txt" },
  		{ 0100644, "0ab09ea6d4c3634bdf6c221626d8b6f7dd890767", 0, "file2.txt" },
  		{ 0100644, "f4e107c230d08a60fb419d19869f1f282b272d9c", 0, "file3.txt" },
  		{ 0100644, "55acf326a69f0aab7a974ec53ffa55a50bcac14e", 3, "file4.txt" },
  		{ 0100644, "55acf326a69f0aab7a974ec53ffa55a50bcac14e", 1, "file5.txt" },
  		{ 0100644, "0f5bfcf58c558d865da6be0281d7795993646cee", 2, "file6.txt" },
  	};
  
  	git_oid_fromstr(&head_oid, "cef56612d71a6af8d8015691e4865f7fece905b5");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	git_oid_fromstr(&revert_oid, "55568c8de5322ff9a95d72747a239cdb64a19965");
  	cl_git_pass(git_commit_lookup(&commit, repo, &revert_oid));
  	cl_git_pass(git_revert(repo, commit, &opts));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 6));
  
  	git_commit_free(commit);
  	git_commit_free(head);
  }
  
  /* git reset --hard 55568c8de5322ff9a95d72747a239cdb64a19965
   * git revert --no-commit HEAD~1 */
  void test_revert_revert__rename(void)
  {
  	git_commit *head, *commit;
  	git_oid head_oid, revert_oid;
  	git_revert_opts opts = GIT_REVERT_OPTS_INIT;
  
  	opts.merge_tree_opts.flags |= GIT_MERGE_TREE_FIND_RENAMES;
  	opts.merge_tree_opts.rename_threshold = 50;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "55acf326a69f0aab7a974ec53ffa55a50bcac14e", 1, "file4.txt" },
  		{ 0100644, "55acf326a69f0aab7a974ec53ffa55a50bcac14e", 2, "file5.txt" },
  	};
  
  	struct merge_name_entry merge_name_entries[] = {
  		{ "file4.txt", "file5.txt", "" },
  	};
  
  	git_oid_fromstr(&head_oid, "55568c8de5322ff9a95d72747a239cdb64a19965");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	git_oid_fromstr(&revert_oid, "0aa8c7e40d342fff78d60b29a4ba8e993ed79c51");
  	cl_git_pass(git_commit_lookup(&commit, repo, &revert_oid));
  	cl_git_pass(git_revert(repo, commit, &opts));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 2));
  	cl_assert(merge_test_names(repo_index, merge_name_entries, 1));
  
  	git_commit_free(commit);
  	git_commit_free(head);
  }
  
  /* git revert --no-commit HEAD */
  void test_revert_revert__head(void)
  {
  	git_reference *head;
  	git_commit *commit;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "7731926a337c4eaba1e2187d90ebfa0a93659382", 0, "file1.txt" },
  		{ 0100644, "0ab09ea6d4c3634bdf6c221626d8b6f7dd890767", 0, "file2.txt" },
  		{ 0100644, "f4e107c230d08a60fb419d19869f1f282b272d9c", 0, "file3.txt" },
  		{ 0100644, "0f5bfcf58c558d865da6be0281d7795993646cee", 0, "file6.txt" },
  	};
  
  	/* HEAD is 2d440f2b3147d3dc7ad1085813478d6d869d5a4d */
  	cl_git_pass(git_repository_head(&head, repo));
  	cl_git_pass(git_reference_peel((git_object **)&commit, head, GIT_OBJ_COMMIT));
  	cl_git_pass(git_reset(repo, (git_object *)commit, GIT_RESET_HARD));
  	cl_git_pass(git_revert(repo, commit, NULL));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 4));
  	cl_assert(merge_test_workdir(repo, merge_index_entries, 4));
  
  	git_reference_free(head);
  	git_commit_free(commit);
  }
  
  void test_revert_revert__nonmerge_fails_mainline_specified(void)
  {
  	git_reference *head;
  	git_commit *commit;
  	git_revert_opts opts = GIT_REVERT_OPTS_INIT;
  
  	cl_git_pass(git_repository_head(&head, repo));
  	cl_git_pass(git_reference_peel((git_object **)&commit, head, GIT_OBJ_COMMIT));
  
  	opts.mainline = 1;
  	cl_must_fail(git_revert(repo, commit, &opts));
  	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/MERGE_MSG"));
  	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/REVERT_HEAD"));
  
  	git_reference_free(head);
  	git_commit_free(commit);
  }
  
  /* git reset --hard 5acdc74af27172ec491d213ee36cea7eb9ef2579
   * git revert HEAD */
  void test_revert_revert__merge_fails_without_mainline_specified(void)
  {
  	git_commit *head;
  	git_oid head_oid;
  
  	git_oid_fromstr(&head_oid, "5acdc74af27172ec491d213ee36cea7eb9ef2579");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	cl_must_fail(git_revert(repo, head, NULL));
  	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/MERGE_MSG"));
  	cl_assert(!git_path_exists(TEST_REPO_PATH "/.git/REVERT_HEAD"));
  
  	git_commit_free(head);
  }
  
  /* git reset --hard 5acdc74af27172ec491d213ee36cea7eb9ef2579
   * git revert HEAD -m1 --no-commit */
  void test_revert_revert__merge_first_parent(void)
  {
  	git_commit *head;
  	git_oid head_oid;
  	git_revert_opts opts = GIT_REVERT_OPTS_INIT;
  
  	opts.mainline = 1;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "296a6d3be1dff05c5d1f631d2459389fa7b619eb", 0, "file-mainline.txt" },
  		{ 0100644, "0cdb66192ee192f70f891f05a47636057420e871", 0, "file1.txt" },
  		{ 0100644, "73ec36fa120f8066963a0bc9105bb273dbd903d7", 0, "file2.txt" },
  	};
  
  	git_oid_fromstr(&head_oid, "5acdc74af27172ec491d213ee36cea7eb9ef2579");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	cl_git_pass(git_revert(repo, head, &opts));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 3));
  
  	git_commit_free(head);
  }
  
  void test_revert_revert__merge_second_parent(void)
  {
  	git_commit *head;
  	git_oid head_oid;
  	git_revert_opts opts = GIT_REVERT_OPTS_INIT;
  
  	opts.mainline = 2;
  
  	struct merge_index_entry merge_index_entries[] = {
  		{ 0100644, "33c6fd981c49a2abf2971482089350bfc5cda8ea", 0, "file-branch.txt" },
  		{ 0100644, "0cdb66192ee192f70f891f05a47636057420e871", 0, "file1.txt" },
  		{ 0100644, "73ec36fa120f8066963a0bc9105bb273dbd903d7", 0, "file2.txt" },
  	};
  
  	git_oid_fromstr(&head_oid, "5acdc74af27172ec491d213ee36cea7eb9ef2579");
  	cl_git_pass(git_commit_lookup(&head, repo, &head_oid));
  	cl_git_pass(git_reset(repo, (git_object *)head, GIT_RESET_HARD));
  
  	cl_git_pass(git_revert(repo, head, &opts));
  
  	cl_assert(merge_test_index(repo_index, merge_index_entries, 3));
  
  	git_commit_free(head);
  }
  

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