From b60149ecedab39fffc8607896f653ef7ac81b1e2 Mon Sep 17 00:00:00 2001 From: Edward Thomson Date: Fri, 31 Jan 2014 18:43:50 -0800 Subject: [PATCH] Tests merge when changes exist in workdir/index --- tests/merge/workdir/dirty.c | 182 ++++++++++++++++++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 tests/merge/workdir/dirty.c diff --git a/tests/merge/workdir/dirty.c b/tests/merge/workdir/dirty.c new file mode 100644 index 000000000..67026336b --- /dev/null +++ b/tests/merge/workdir/dirty.c @@ -0,0 +1,182 @@ +#include "clar_libgit2.h" +#include "git2/merge.h" +#include "buffer.h" +#include "merge.h" +#include "../merge_helpers.h" + +#define TEST_REPO_PATH "merge-resolve" +#define MERGE_BRANCH_OID "7cb63eed597130ba4abb87b3e544b85021905520" + +static git_repository *repo; +static git_index *repo_index; + +static char *unaffected[][4] = { + { "added-in-master.txt", NULL }, + { "changed-in-master.txt", NULL }, + { "unchanged.txt", NULL }, + { "added-in-master.txt", "changed-in-master.txt", NULL }, + { "added-in-master.txt", "unchanged.txt", NULL }, + { "changed-in-master.txt", "unchanged.txt", NULL }, + { "added-in-master.txt", "changed-in-master.txt", "unchanged.txt", NULL }, + { "new_file.txt", NULL }, + { "new_file.txt", "unchanged.txt", NULL }, + { NULL }, +}; + +static char *affected[][5] = { + { "automergeable.txt", NULL }, + { "changed-in-branch.txt", NULL }, + { "conflicting.txt", NULL }, + { "removed-in-branch.txt", NULL }, + { "automergeable.txt", "changed-in-branch.txt", NULL }, + { "automergeable.txt", "conflicting.txt", NULL }, + { "automergeable.txt", "removed-in-branch.txt", NULL }, + { "changed-in-branch.txt", "conflicting.txt", NULL }, + { "changed-in-branch.txt", "removed-in-branch.txt", NULL }, + { "conflicting.txt", "removed-in-branch.txt", NULL }, + { "automergeable.txt", "changed-in-branch.txt", "conflicting.txt", NULL }, + { "automergeable.txt", "changed-in-branch.txt", "removed-in-branch.txt", NULL }, + { "automergeable.txt", "conflicting.txt", "removed-in-branch.txt", NULL }, + { "changed-in-branch.txt", "conflicting.txt", "removed-in-branch.txt", NULL }, + { "automergeable.txt", "changed-in-branch.txt", "conflicting.txt", "removed-in-branch.txt", NULL }, + { NULL }, +}; + +void test_merge_workdir_dirty__initialize(void) +{ + repo = cl_git_sandbox_init(TEST_REPO_PATH); + git_repository_index(&repo_index, repo); +} + +void test_merge_workdir_dirty__cleanup(void) +{ + git_index_free(repo_index); + cl_git_sandbox_cleanup(); +} + +static void set_core_autocrlf_to(git_repository *repo, bool value) +{ + git_config *cfg; + + cl_git_pass(git_repository_config(&cfg, repo)); + cl_git_pass(git_config_set_bool(cfg, "core.autocrlf", value)); + + git_config_free(cfg); +} + +static int merge_branch(git_merge_result **result, int merge_file_favor, int checkout_strategy) +{ + git_oid their_oids[1]; + git_merge_head *their_heads[1]; + git_merge_opts opts = GIT_MERGE_OPTS_INIT; + int error; + + cl_git_pass(git_oid_fromstr(&their_oids[0], MERGE_BRANCH_OID)); + cl_git_pass(git_merge_head_from_id(&their_heads[0], repo, &their_oids[0])); + + opts.merge_tree_opts.file_favor = merge_file_favor; + opts.checkout_opts.checkout_strategy = checkout_strategy; + error = git_merge(result, repo, (const git_merge_head **)their_heads, 1, &opts); + + git_merge_head_free(their_heads[0]); + + return error; +} + +static void write_files(char *files[]) +{ + char *filename; + git_buf path = GIT_BUF_INIT, content = GIT_BUF_INIT; + size_t i; + + for (i = 0, filename = files[i]; filename; filename = files[++i]) { + git_buf_clear(&path); + git_buf_clear(&content); + + git_buf_printf(&path, "%s/%s", TEST_REPO_PATH, filename); + git_buf_printf(&content, "This is a dirty file in the working directory!\n\n" + "It will not be staged! Its filename is %s.\n", filename); + + cl_git_mkfile(path.ptr, content.ptr); + } + + git_buf_free(&path); + git_buf_free(&content); +} + +static void stage_random_files(char *files[]) +{ + char *filename; + size_t i; + + write_files(files); + + for (i = 0, filename = files[i]; filename; filename = files[++i]) + cl_git_pass(git_index_add_bypath(repo_index, filename)); +} + +static int merge_dirty_files(char *dirty_files[]) +{ + git_reference *head; + git_object *head_object; + git_merge_result *result = NULL; + int error; + + cl_git_pass(git_repository_head(&head, repo)); + cl_git_pass(git_reference_peel(&head_object, head, GIT_OBJ_COMMIT)); + cl_git_pass(git_reset(repo, head_object, GIT_RESET_HARD)); + + write_files(dirty_files); + + error = merge_branch(&result, 0, 0); + + git_merge_result_free(result); + git_object_free(head_object); + git_reference_free(head); + + return error; +} + +static int merge_staged_files(char *staged_files[]) +{ + git_merge_result *result = NULL; + int error; + + stage_random_files(staged_files); + + error = merge_branch(&result, 0, 0); + + git_merge_result_free(result); + + return error; +} + +void test_merge_workdir_dirty__unaffected_dirty_files_allowed(void) +{ + char **files; + size_t i; + + for (i = 0, files = unaffected[i]; files[0]; files = unaffected[++i]) + cl_git_pass(merge_dirty_files(files)); +} + +void test_merge_workdir_dirty__affected_dirty_files_disallowed(void) +{ + char **files; + size_t i; + + for (i = 0, files = affected[i]; files[0]; files = affected[++i]) + cl_git_fail(merge_dirty_files(files)); +} + +void test_merge_workdir_dirty__staged_files_in_index_disallowed(void) +{ + char **files; + size_t i; + + for (i = 0, files = unaffected[i]; files[0]; files = unaffected[++i]) + cl_git_fail(merge_staged_files(files)); + + for (i = 0, files = affected[i]; files[0]; files = affected[++i]) + cl_git_fail(merge_staged_files(files)); +}