diff options
author | Ben Straub <bs@github.com> | 2013-11-15 02:05:52 +0400 |
---|---|---|
committer | Ben Straub <bs@github.com> | 2013-11-15 02:05:52 +0400 |
commit | 1782038144ef3413831801bb9c2f3038a84ac6f4 (patch) | |
tree | f074cc30890a20f5418c10fae1815ca516588a27 /tests/diff/workdir.c | |
parent | 7b947bf5cc59eefa83c28eb5f5fd8434207ebb8b (diff) |
Rename tests-clar to tests
Diffstat (limited to 'tests/diff/workdir.c')
-rw-r--r-- | tests/diff/workdir.c | 1490 |
1 files changed, 1490 insertions, 0 deletions
diff --git a/tests/diff/workdir.c b/tests/diff/workdir.c new file mode 100644 index 000000000..7cc032232 --- /dev/null +++ b/tests/diff/workdir.c @@ -0,0 +1,1490 @@ +#include "clar_libgit2.h" +#include "diff_helpers.h" +#include "repository.h" + +static git_repository *g_repo = NULL; + +void test_diff_workdir__initialize(void) +{ +} + +void test_diff_workdir__cleanup(void) +{ + cl_git_sandbox_cleanup(); +} + +void test_diff_workdir__to_index(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + int use_iterator; + + g_repo = cl_git_sandbox_init("status"); + + opts.context_lines = 3; + opts.interhunk_lines = 1; + opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + /* to generate these values: + * - cd to tests/resources/status, + * - mv .gitted .git + * - git diff --name-status + * - git diff + * - mv .git .gitted + */ + cl_assert_equal_i(13, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_UNTRACKED]); + + cl_assert_equal_i(8, exp.hunks); + + cl_assert_equal_i(14, exp.lines); + cl_assert_equal_i(5, exp.line_ctxt); + cl_assert_equal_i(4, exp.line_adds); + cl_assert_equal_i(5, exp.line_dels); + } + + git_diff_free(diff); +} + +void test_diff_workdir__to_index_with_assume_unchanged(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + git_index *idx = NULL; + diff_expects exp; + const git_index_entry *iep; + git_index_entry ie; + + g_repo = cl_git_sandbox_init("status"); + + /* do initial diff */ + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &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(8, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_MODIFIED]); + git_diff_free(diff); + + /* mark a couple of entries with ASSUME_UNCHANGED */ + + cl_git_pass(git_repository_index(&idx, g_repo)); + + cl_assert((iep = git_index_get_bypath(idx, "modified_file", 0)) != NULL); + memcpy(&ie, iep, sizeof(ie)); + ie.flags |= GIT_IDXENTRY_VALID; + cl_git_pass(git_index_add(idx, &ie)); + + cl_assert((iep = git_index_get_bypath(idx, "file_deleted", 0)) != NULL); + memcpy(&ie, iep, sizeof(ie)); + ie.flags |= GIT_IDXENTRY_VALID; + cl_git_pass(git_index_add(idx, &ie)); + + cl_git_pass(git_index_write(idx)); + git_index_free(idx); + + /* redo diff and see that entries are skipped */ + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &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(6, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]); + git_diff_free(diff); + +} + +void test_diff_workdir__to_tree(void) +{ + /* grabbed a couple of commit oids from the history of the attr repo */ + const char *a_commit = "26a125ee1bf"; /* the current HEAD */ + const char *b_commit = "0017bd4ab1ec3"; /* the start */ + git_tree *a, *b; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + git_diff *diff2 = NULL; + diff_expects exp; + int use_iterator; + + g_repo = cl_git_sandbox_init("status"); + + a = resolve_commit_oid_to_tree(g_repo, a_commit); + b = resolve_commit_oid_to_tree(g_repo, b_commit); + + opts.context_lines = 3; + opts.interhunk_lines = 1; + opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED; + + /* You can't really generate the equivalent of git_diff_tree_to_workdir() + * using C git. It really wants to interpose the index into the diff. + * + * To validate the following results with command line git, I ran the + * following: + * - git ls-tree 26a125 + * - find . ! -path ./.git/\* -a -type f | git hash-object --stdin-paths + * The results are documented at the bottom of this file in the + * long comment entitled "PREPARATION OF TEST DATA". + */ + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, a, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(14, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(5, exp.file_status[GIT_DELTA_UNTRACKED]); + } + + /* Since there is no git diff equivalent, let's just assume that the + * text diffs produced by git_diff_foreach are accurate here. We will + * do more apples-to-apples test comparison below. + */ + + git_diff_free(diff); + diff = NULL; + memset(&exp, 0, sizeof(exp)); + + /* This is a compatible emulation of "git diff <sha>" which looks like + * a workdir to tree diff (even though it is not really). This is what + * you would get from "git diff --name-status 26a125ee1bf" + */ + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts)); + cl_git_pass(git_diff_index_to_workdir(&diff2, g_repo, NULL, &opts)); + cl_git_pass(git_diff_merge(diff, diff2)); + git_diff_free(diff2); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(15, exp.files); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(5, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNTRACKED]); + + cl_assert_equal_i(11, exp.hunks); + + cl_assert_equal_i(17, exp.lines); + cl_assert_equal_i(4, exp.line_ctxt); + cl_assert_equal_i(8, exp.line_adds); + cl_assert_equal_i(5, exp.line_dels); + } + + git_diff_free(diff); + diff = NULL; + memset(&exp, 0, sizeof(exp)); + + /* Again, emulating "git diff <sha>" for testing purposes using + * "git diff --name-status 0017bd4ab1ec3" instead. + */ + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, b, NULL, &opts)); + cl_git_pass(git_diff_index_to_workdir(&diff2, g_repo, NULL, &opts)); + cl_git_pass(git_diff_merge(diff, diff2)); + git_diff_free(diff2); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(16, exp.files); + cl_assert_equal_i(5, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNTRACKED]); + + cl_assert_equal_i(12, exp.hunks); + + cl_assert_equal_i(19, exp.lines); + cl_assert_equal_i(3, exp.line_ctxt); + cl_assert_equal_i(12, exp.line_adds); + cl_assert_equal_i(4, exp.line_dels); + } + + git_diff_free(diff); + + /* Let's try that once more with a reversed diff */ + + opts.flags |= GIT_DIFF_REVERSE; + + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, b, NULL, &opts)); + cl_git_pass(git_diff_index_to_workdir(&diff2, g_repo, NULL, &opts)); + cl_git_pass(git_diff_merge(diff, diff2)); + git_diff_free(diff2); + + 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(16, exp.files); + cl_assert_equal_i(5, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNTRACKED]); + + cl_assert_equal_i(12, exp.hunks); + + cl_assert_equal_i(19, exp.lines); + cl_assert_equal_i(3, exp.line_ctxt); + cl_assert_equal_i(12, exp.line_dels); + cl_assert_equal_i(4, exp.line_adds); + + git_diff_free(diff); + + /* all done now */ + + git_tree_free(a); + git_tree_free(b); +} + +void test_diff_workdir__to_index_with_pathspec(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + char *pathspec = NULL; + int use_iterator; + + g_repo = cl_git_sandbox_init("status"); + + opts.context_lines = 3; + opts.interhunk_lines = 1; + opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED; + opts.pathspec.strings = &pathspec; + opts.pathspec.count = 1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, NULL, NULL, &exp)); + else + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(13, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_UNTRACKED]); + } + + git_diff_free(diff); + + pathspec = "modified_file"; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, NULL, NULL, &exp)); + else + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(1, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_UNTRACKED]); + } + + git_diff_free(diff); + + pathspec = "subdir"; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, NULL, NULL, &exp)); + else + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(3, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); + } + + git_diff_free(diff); + + pathspec = "*_deleted"; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, NULL, NULL, &exp)); + else + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(2, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_UNTRACKED]); + } + + git_diff_free(diff); +} + +void test_diff_workdir__filemode_changes(void) +{ + git_diff *diff = NULL; + diff_expects exp; + int use_iterator; + + if (!cl_is_chmod_supported()) + return; + + g_repo = cl_git_sandbox_init("issue_592"); + + cl_repo_set_bool(g_repo, "core.filemode", true); + + /* test once with no mods */ + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, NULL)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(0, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.hunks); + } + + git_diff_free(diff); + + /* chmod file and test again */ + + cl_assert(cl_toggle_filemode("issue_592/a.txt")); + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, NULL)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(1, exp.files); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.hunks); + } + + git_diff_free(diff); + + cl_assert(cl_toggle_filemode("issue_592/a.txt")); +} + +void test_diff_workdir__filemode_changes_with_filemode_false(void) +{ + git_diff *diff = NULL; + diff_expects exp; + + if (!cl_is_chmod_supported()) + return; + + g_repo = cl_git_sandbox_init("issue_592"); + + cl_repo_set_bool(g_repo, "core.filemode", false); + + /* test once with no mods */ + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, 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(0, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.hunks); + + git_diff_free(diff); + + /* chmod file and test again */ + + cl_assert(cl_toggle_filemode("issue_592/a.txt")); + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, 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(0, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.hunks); + + git_diff_free(diff); + + cl_assert(cl_toggle_filemode("issue_592/a.txt")); +} + +void test_diff_workdir__head_index_and_workdir_all_differ(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff_i2t = NULL, *diff_w2i = NULL; + diff_expects exp; + char *pathspec = "staged_changes_modified_file"; + git_tree *tree; + int use_iterator; + + /* For this file, + * - head->index diff has 1 line of context, 1 line of diff + * - index->workdir diff has 2 lines of context, 1 line of diff + * but + * - head->workdir diff has 1 line of context, 2 lines of diff + * Let's make sure the right one is returned from each fn. + */ + + g_repo = cl_git_sandbox_init("status"); + + tree = resolve_commit_oid_to_tree(g_repo, "26a125ee1bfc5df1e1b2e9441bbe63c8a7ae989f"); + + opts.pathspec.strings = &pathspec; + opts.pathspec.count = 1; + + cl_git_pass(git_diff_tree_to_index(&diff_i2t, g_repo, tree, NULL, &opts)); + cl_git_pass(git_diff_index_to_workdir(&diff_w2i, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff_i2t, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff_i2t, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(1, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.hunks); + cl_assert_equal_i(2, exp.lines); + cl_assert_equal_i(1, exp.line_ctxt); + cl_assert_equal_i(1, exp.line_adds); + cl_assert_equal_i(0, exp.line_dels); + } + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff_w2i, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff_w2i, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(1, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.hunks); + cl_assert_equal_i(3, exp.lines); + cl_assert_equal_i(2, exp.line_ctxt); + cl_assert_equal_i(1, exp.line_adds); + cl_assert_equal_i(0, exp.line_dels); + } + + cl_git_pass(git_diff_merge(diff_i2t, diff_w2i)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff_i2t, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff_i2t, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(1, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.hunks); + cl_assert_equal_i(3, exp.lines); + cl_assert_equal_i(1, exp.line_ctxt); + cl_assert_equal_i(2, exp.line_adds); + cl_assert_equal_i(0, exp.line_dels); + } + + git_diff_free(diff_i2t); + git_diff_free(diff_w2i); + + git_tree_free(tree); +} + +void test_diff_workdir__eof_newline_changes(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + char *pathspec = "current_file"; + int use_iterator; + + g_repo = cl_git_sandbox_init("status"); + + opts.pathspec.strings = &pathspec; + opts.pathspec.count = 1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(0, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.hunks); + cl_assert_equal_i(0, exp.lines); + cl_assert_equal_i(0, exp.line_ctxt); + cl_assert_equal_i(0, exp.line_adds); + cl_assert_equal_i(0, exp.line_dels); + } + + git_diff_free(diff); + + cl_git_append2file("status/current_file", "\n"); + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(1, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.hunks); + cl_assert_equal_i(2, exp.lines); + cl_assert_equal_i(1, exp.line_ctxt); + cl_assert_equal_i(1, exp.line_adds); + cl_assert_equal_i(0, exp.line_dels); + } + + git_diff_free(diff); + + cl_git_rewritefile("status/current_file", "current_file"); + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + for (use_iterator = 0; use_iterator <= 1; use_iterator++) { + memset(&exp, 0, sizeof(exp)); + + if (use_iterator) + cl_git_pass(diff_foreach_via_iterator( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + else + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + cl_assert_equal_i(1, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.hunks); + cl_assert_equal_i(3, exp.lines); + cl_assert_equal_i(0, exp.line_ctxt); + cl_assert_equal_i(1, exp.line_adds); + cl_assert_equal_i(2, exp.line_dels); + } + + git_diff_free(diff); +} + +/* PREPARATION OF TEST DATA + * + * Since there is no command line equivalent of git_diff_tree_to_workdir, + * it was a bit of a pain to confirm that I was getting the expected + * results in the first part of this tests. Here is what I ended up + * doing to set my expectation for the file counts and results: + * + * Running "git ls-tree 26a125" and "git ls-tree aa27a6" shows: + * + * A a0de7e0ac200c489c41c59dfa910154a70264e6e current_file + * B 5452d32f1dd538eb0405e8a83cc185f79e25e80f file_deleted + * C 452e4244b5d083ddf0460acf1ecc74db9dcfa11a modified_file + * D 32504b727382542f9f089e24fddac5e78533e96c staged_changes + * E 061d42a44cacde5726057b67558821d95db96f19 staged_changes_file_deleted + * F 70bd9443ada07063e7fbf0b3ff5c13f7494d89c2 staged_changes_modified_file + * G e9b9107f290627c04d097733a10055af941f6bca staged_delete_file_deleted + * H dabc8af9bd6e9f5bbe96a176f1a24baf3d1f8916 staged_delete_modified_file + * I 53ace0d1cc1145a5f4fe4f78a186a60263190733 subdir/current_file + * J 1888c805345ba265b0ee9449b8877b6064592058 subdir/deleted_file + * K a6191982709b746d5650e93c2acf34ef74e11504 subdir/modified_file + * L e8ee89e15bbe9b20137715232387b3de5b28972e subdir.txt + * + * -------- + * + * find . ! -path ./.git/\* -a -type f | git hash-object --stdin-paths + * + * A a0de7e0ac200c489c41c59dfa910154a70264e6e current_file + * M 6a79f808a9c6bc9531ac726c184bbcd9351ccf11 ignored_file + * C 0a539630525aca2e7bc84975958f92f10a64c9b6 modified_file + * N d4fa8600b4f37d7516bef4816ae2c64dbf029e3a new_file + * D 55d316c9ba708999f1918e9677d01dfcae69c6b9 staged_changes + * F 011c3440d5c596e21d836aa6d7b10eb581f68c49 staged_changes_modified_file + * H dabc8af9bd6e9f5bbe96a176f1a24baf3d1f8916 staged_delete_modified_file + * O 529a16e8e762d4acb7b9636ff540a00831f9155a staged_new_file + * P 8b090c06d14ffa09c4e880088ebad33893f921d1 staged_new_file_modified_file + * I 53ace0d1cc1145a5f4fe4f78a186a60263190733 subdir/current_file + * K 57274b75eeb5f36fd55527806d567b2240a20c57 subdir/modified_file + * Q 80a86a6931b91bc01c2dbf5ca55bdd24ad1ef466 subdir/new_file + * L e8ee89e15bbe9b20137715232387b3de5b28972e subdir.txt + * + * -------- + * + * A - current_file (UNMODIFIED) -> not in results + * B D file_deleted + * M I ignored_file (IGNORED) + * C M modified_file + * N U new_file (UNTRACKED) + * D M staged_changes + * E D staged_changes_file_deleted + * F M staged_changes_modified_file + * G D staged_delete_file_deleted + * H - staged_delete_modified_file (UNMODIFIED) -> not in results + * O U staged_new_file + * P U staged_new_file_modified_file + * I - subdir/current_file (UNMODIFIED) -> not in results + * J D subdir/deleted_file + * K M subdir/modified_file + * Q U subdir/new_file + * L - subdir.txt (UNMODIFIED) -> not in results + * + * Expect 13 files, 0 ADD, 4 DEL, 4 MOD, 1 IGN, 4 UNTR + */ + + +void test_diff_workdir__larger_hunks(void) +{ + const char *a_commit = "d70d245ed97ed2aa596dd1af6536e4bfdb047b69"; + const char *b_commit = "7a9e0b02e63179929fed24f0a3e0f19168114d10"; + git_tree *a, *b; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + size_t i, d, num_d, h, num_h, l, num_l; + + g_repo = cl_git_sandbox_init("diff"); + + cl_assert((a = resolve_commit_oid_to_tree(g_repo, a_commit)) != NULL); + cl_assert((b = resolve_commit_oid_to_tree(g_repo, b_commit)) != NULL); + + opts.context_lines = 1; + opts.interhunk_lines = 0; + + for (i = 0; i <= 2; ++i) { + git_diff *diff = NULL; + git_patch *patch; + const git_diff_hunk *hunk; + const git_diff_line *line; + + /* okay, this is a bit silly, but oh well */ + switch (i) { + case 0: + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + break; + case 1: + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, a, &opts)); + break; + case 2: + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, b, &opts)); + break; + } + + num_d = git_diff_num_deltas(diff); + cl_assert_equal_i(2, (int)num_d); + + for (d = 0; d < num_d; ++d) { + cl_git_pass(git_patch_from_diff(&patch, diff, d)); + cl_assert(patch); + + num_h = git_patch_num_hunks(patch); + for (h = 0; h < num_h; h++) { + cl_git_pass(git_patch_get_hunk(&hunk, &num_l, patch, h)); + + for (l = 0; l < num_l; ++l) { + cl_git_pass( + git_patch_get_line_in_hunk(&line, patch, h, l)); + cl_assert(line); + } + + /* confirm fail after the last item */ + cl_git_fail( + git_patch_get_line_in_hunk(&line, patch, h, num_l)); + } + + /* confirm fail after the last item */ + cl_git_fail(git_patch_get_hunk(&hunk, &num_l, patch, num_h)); + + git_patch_free(patch); + } + + git_diff_free(diff); + } + + git_tree_free(a); + git_tree_free(b); +} + +/* Set up a test that exercises this code. The easiest test using existing + * test data is probably to create a sandbox of submod2 and then run a + * git_diff_tree_to_workdir against tree + * 873585b94bdeabccea991ea5e3ec1a277895b698. As for what you should actually + * test, you can start by just checking that the number of lines of diff + * content matches the actual output of git diff. That will at least + * demonstrate that the submodule content is being used to generate somewhat + * comparable outputs. It is a test that would fail without this code and + * will succeed with it. + */ + +#include "../submodule/submodule_helpers.h" + +void test_diff_workdir__submodules(void) +{ + const char *a_commit = "873585b94bdeabccea991ea5e3ec1a277895b698"; + git_tree *a; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + + g_repo = setup_fixture_submod2(); + + a = resolve_commit_oid_to_tree(g_repo, a_commit); + + opts.flags = + GIT_DIFF_INCLUDE_UNTRACKED | + GIT_DIFF_INCLUDE_IGNORED | + GIT_DIFF_RECURSE_UNTRACKED_DIRS | + GIT_DIFF_SHOW_UNTRACKED_CONTENT; + + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, a, &opts)); + + /* diff_print(stderr, diff); */ + + /* essentially doing: git diff 873585b94bdeabccea991ea5e3ec1a277895b698 */ + + memset(&exp, 0, sizeof(exp)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + /* so "git diff 873585" returns: + * M .gitmodules + * A just_a_dir/contents + * A just_a_file + * A sm_added_and_uncommited + * A sm_changed_file + * A sm_changed_head + * A sm_changed_index + * A sm_changed_untracked_file + * M sm_missing_commits + * A sm_unchanged + * which is a little deceptive because of the difference between the + * "git diff <treeish>" results from "git_diff_tree_to_workdir". The + * only significant difference is that those Added items will show up + * as Untracked items in the pure libgit2 diff. + * + * Then add in the two extra ignored items "not" and "not-submodule" + * to get the 12 files reported here. + */ + + cl_assert_equal_i(12, exp.files); + + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(8, exp.file_status[GIT_DELTA_UNTRACKED]); + + /* the following numbers match "git diff 873585" exactly */ + + cl_assert_equal_i(9, exp.hunks); + + cl_assert_equal_i(33, exp.lines); + cl_assert_equal_i(2, exp.line_ctxt); + cl_assert_equal_i(30, exp.line_adds); + cl_assert_equal_i(1, exp.line_dels); + + git_diff_free(diff); + git_tree_free(a); +} + +void test_diff_workdir__cannot_diff_against_a_bare_repository(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + git_tree *tree; + + g_repo = cl_git_sandbox_init("testrepo.git"); + + cl_assert_equal_i( + GIT_EBAREREPO, git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_repository_head_tree(&tree, g_repo)); + + cl_assert_equal_i( + GIT_EBAREREPO, git_diff_tree_to_workdir(&diff, g_repo, tree, &opts)); + + git_tree_free(tree); +} + +void test_diff_workdir__to_null_tree(void) +{ + git_diff *diff; + diff_expects exp; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + + opts.flags = GIT_DIFF_INCLUDE_UNTRACKED | + GIT_DIFF_RECURSE_UNTRACKED_DIRS; + + g_repo = cl_git_sandbox_init("status"); + + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, NULL, &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(exp.files, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); +} + +void test_diff_workdir__checks_options_version(void) +{ + git_diff *diff; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + const git_error *err; + + g_repo = cl_git_sandbox_init("status"); + + opts.version = 0; + cl_git_fail(git_diff_tree_to_workdir(&diff, g_repo, NULL, &opts)); + err = giterr_last(); + cl_assert_equal_i(GITERR_INVALID, err->klass); + + giterr_clear(); + opts.version = 1024; + cl_git_fail(git_diff_tree_to_workdir(&diff, g_repo, NULL, &opts)); + err = giterr_last(); + cl_assert_equal_i(GITERR_INVALID, err->klass); +} + +void test_diff_workdir__can_diff_empty_file(void) +{ + git_diff *diff; + git_tree *tree; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + struct stat st; + git_patch *patch; + + g_repo = cl_git_sandbox_init("attr_index"); + + tree = resolve_commit_oid_to_tree(g_repo, "3812cfef3661"); /* HEAD */ + + /* baseline - make sure there are no outstanding diffs */ + + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &opts)); + cl_assert_equal_i(2, (int)git_diff_num_deltas(diff)); + git_diff_free(diff); + + /* empty contents of file */ + + cl_git_rewritefile("attr_index/README.txt", ""); + cl_git_pass(git_path_lstat("attr_index/README.txt", &st)); + cl_assert_equal_i(0, (int)st.st_size); + + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &opts)); + cl_assert_equal_i(3, (int)git_diff_num_deltas(diff)); + /* diffs are: .gitattributes, README.txt, sub/sub/.gitattributes */ + cl_git_pass(git_patch_from_diff(&patch, diff, 1)); + git_patch_free(patch); + git_diff_free(diff); + + /* remove a file altogether */ + + cl_git_pass(p_unlink("attr_index/README.txt")); + cl_assert(!git_path_exists("attr_index/README.txt")); + + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &opts)); + cl_assert_equal_i(3, (int)git_diff_num_deltas(diff)); + cl_git_pass(git_patch_from_diff(&patch, diff, 1)); + git_patch_free(patch); + git_diff_free(diff); + + git_tree_free(tree); +} + +void test_diff_workdir__to_index_issue_1397(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + + g_repo = cl_git_sandbox_init("issue_1397"); + + cl_repo_set_bool(g_repo, "core.autocrlf", true); + + opts.context_lines = 3; + opts.interhunk_lines = 1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &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(0, exp.files); + cl_assert_equal_i(0, exp.hunks); + cl_assert_equal_i(0, exp.lines); + + git_diff_free(diff); + diff = NULL; + + cl_git_rewritefile("issue_1397/crlf_file.txt", + "first line\r\nsecond line modified\r\nboth with crlf"); + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &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(1, exp.files); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + + cl_assert_equal_i(1, exp.hunks); + + cl_assert_equal_i(5, exp.lines); + cl_assert_equal_i(3, exp.line_ctxt); + cl_assert_equal_i(1, exp.line_adds); + cl_assert_equal_i(1, exp.line_dels); + + git_diff_free(diff); +} + +void test_diff_workdir__to_tree_issue_1397(void) +{ + const char *a_commit = "7f483a738"; /* the current HEAD */ + git_tree *a; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + git_diff *diff2 = NULL; + diff_expects exp; + + g_repo = cl_git_sandbox_init("issue_1397"); + + cl_repo_set_bool(g_repo, "core.autocrlf", true); + + a = resolve_commit_oid_to_tree(g_repo, a_commit); + + opts.context_lines = 3; + opts.interhunk_lines = 1; + + cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, a, &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(0, exp.files); + cl_assert_equal_i(0, exp.hunks); + cl_assert_equal_i(0, exp.lines); + + git_diff_free(diff); + diff = NULL; + + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts)); + cl_git_pass(git_diff_index_to_workdir(&diff2, g_repo, NULL, &opts)); + cl_git_pass(git_diff_merge(diff, diff2)); + git_diff_free(diff2); + + 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(0, exp.files); + cl_assert_equal_i(0, exp.hunks); + cl_assert_equal_i(0, exp.lines); + + git_diff_free(diff); + git_tree_free(a); +} + +void test_diff_workdir__untracked_directory_scenarios(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + char *pathspec = NULL; + static const char *files0[] = { + "subdir/deleted_file", + "subdir/modified_file", + "subdir/new_file", + NULL + }; + static const char *files1[] = { + "subdir/deleted_file", + "subdir/directory/", + "subdir/modified_file", + "subdir/new_file", + NULL + }; + static const char *files2[] = { + "subdir/deleted_file", + "subdir/directory/more/notignored", + "subdir/modified_file", + "subdir/new_file", + NULL + }; + + g_repo = cl_git_sandbox_init("status"); + cl_git_mkfile("status/.gitignore", "ignored\n"); + + opts.context_lines = 3; + opts.interhunk_lines = 1; + opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED; + opts.pathspec.strings = &pathspec; + opts.pathspec.count = 1; + pathspec = "subdir"; + + /* baseline for "subdir" pathspec */ + + memset(&exp, 0, sizeof(exp)); + exp.names = files0; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(3, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); + + /* empty directory */ + + cl_git_pass(p_mkdir("status/subdir/directory", 0777)); + + memset(&exp, 0, sizeof(exp)); + exp.names = files1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(4, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); + + /* empty directory in empty directory */ + + cl_git_pass(p_mkdir("status/subdir/directory/empty", 0777)); + + memset(&exp, 0, sizeof(exp)); + exp.names = files1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(4, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); + + /* directory with only ignored files */ + + cl_git_pass(p_mkdir("status/subdir/directory/deeper", 0777)); + cl_git_mkfile("status/subdir/directory/deeper/ignored", "ignore me\n"); + + cl_git_pass(p_mkdir("status/subdir/directory/another", 0777)); + cl_git_mkfile("status/subdir/directory/another/ignored", "ignore me\n"); + + memset(&exp, 0, sizeof(exp)); + exp.names = files1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(4, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); + + /* directory with ignored directory (contents irrelevant) */ + + cl_git_pass(p_mkdir("status/subdir/directory/more", 0777)); + cl_git_pass(p_mkdir("status/subdir/directory/more/ignored", 0777)); + cl_git_mkfile("status/subdir/directory/more/ignored/notignored", + "inside ignored dir\n"); + + memset(&exp, 0, sizeof(exp)); + exp.names = files1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(4, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); + + /* quick version avoids directory scan */ + + opts.flags = opts.flags | GIT_DIFF_ENABLE_FAST_UNTRACKED_DIRS; + + memset(&exp, 0, sizeof(exp)); + exp.names = files1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(4, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); + + /* directory with nested non-ignored content */ + + opts.flags = opts.flags & ~GIT_DIFF_ENABLE_FAST_UNTRACKED_DIRS; + + cl_git_mkfile("status/subdir/directory/more/notignored", + "not ignored deep under untracked\n"); + + memset(&exp, 0, sizeof(exp)); + exp.names = files1; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(4, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); + + /* use RECURSE_UNTRACKED_DIRS to get actual untracked files (no ignores) */ + + opts.flags = opts.flags & ~GIT_DIFF_INCLUDE_IGNORED; + opts.flags = opts.flags | GIT_DIFF_RECURSE_UNTRACKED_DIRS; + + memset(&exp, 0, sizeof(exp)); + exp.names = files2; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp)); + + cl_assert_equal_i(4, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_IGNORED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNTRACKED]); + + git_diff_free(diff); +} + + +void test_diff_workdir__untracked_directory_comes_last(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + + g_repo = cl_git_sandbox_init("renames"); + + cl_git_mkfile("renames/.gitignore", "*.ign\n"); + cl_git_pass(p_mkdir("renames/zzz_untracked", 0777)); + cl_git_mkfile("renames/zzz_untracked/an.ign", "ignore me please"); + cl_git_mkfile("renames/zzz_untracked/skip.ign", "ignore me really"); + cl_git_mkfile("renames/zzz_untracked/test.ign", "ignore me now"); + + opts.context_lines = 3; + opts.interhunk_lines = 1; + opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_assert(diff != NULL); + + git_diff_free(diff); +} + +void test_diff_workdir__untracked_with_bom(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + const git_diff_delta *delta; + + g_repo = cl_git_sandbox_init("empty_standard_repo"); + cl_repo_set_bool(g_repo, "core.autocrlf", true); + + cl_git_write2file("empty_standard_repo/bom.txt", + "\xFF\xFE\x31\x00\x32\x00\x33\x00\x34\x00", 10, O_WRONLY|O_CREAT, 0664); + + opts.flags = + GIT_DIFF_INCLUDE_UNTRACKED | GIT_DIFF_SHOW_UNTRACKED_CONTENT; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + cl_assert_equal_i(1, git_diff_num_deltas(diff)); + cl_assert((delta = git_diff_get_delta(diff, 0)) != NULL); + cl_assert_equal_i(GIT_DELTA_UNTRACKED, delta->status); + + /* not known at this point + * cl_assert((delta->flags & GIT_DIFF_FLAG_BINARY) != 0); + */ + + git_diff_free(diff); +} + +void test_diff_workdir__patience_diff(void) +{ + git_index *index; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + git_patch *patch = NULL; + char *as_str = NULL; + const char *expected_normal = "diff --git a/test.txt b/test.txt\nindex 34a5acc..d52725f 100644\n--- a/test.txt\n+++ b/test.txt\n@@ -1,10 +1,7 @@\n When I wrote this\n I did not know\n-how to create\n-a patience diff\n I did not know\n how to create\n+a patience diff\n another problem\n-I did not know\n-how to create\n a minimal diff\n"; + const char *expected_patience = "diff --git a/test.txt b/test.txt\nindex 34a5acc..d52725f 100644\n--- a/test.txt\n+++ b/test.txt\n@@ -1,10 +1,7 @@\n When I wrote this\n I did not know\n+I did not know\n how to create\n a patience diff\n-I did not know\n-how to create\n another problem\n-I did not know\n-how to create\n a minimal diff\n"; + + g_repo = cl_git_sandbox_init("empty_standard_repo"); + cl_repo_set_bool(g_repo, "core.autocrlf", true); + cl_git_pass(git_repository_index(&index, g_repo)); + + cl_git_mkfile( + "empty_standard_repo/test.txt", + "When I wrote this\nI did not know\nhow to create\na patience diff\nI did not know\nhow to create\nanother problem\nI did not know\nhow to create\na minimal diff\n"); + cl_git_pass(git_index_add_bypath(index, "test.txt")); + cl_repo_commit_from_index(NULL, g_repo, NULL, 1372350000, "Base"); + git_index_free(index); + + cl_git_rewritefile( + "empty_standard_repo/test.txt", + "When I wrote this\nI did not know\nI did not know\nhow to create\na patience diff\nanother problem\na minimal diff\n"); + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + cl_assert_equal_i(1, git_diff_num_deltas(diff)); + cl_git_pass(git_patch_from_diff(&patch, diff, 0)); + cl_git_pass(git_patch_to_str(&as_str, patch)); + + cl_assert_equal_s(expected_normal, as_str); + git__free(as_str); + git_patch_free(patch); + git_diff_free(diff); + + opts.flags |= GIT_DIFF_PATIENCE; + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + cl_assert_equal_i(1, git_diff_num_deltas(diff)); + cl_git_pass(git_patch_from_diff(&patch, diff, 0)); + cl_git_pass(git_patch_to_str(&as_str, patch)); + + cl_assert_equal_s(expected_patience, as_str); + git__free(as_str); + git_patch_free(patch); + git_diff_free(diff); +} + +void test_diff_workdir__with_stale_index(void) +{ + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + git_index *idx = NULL; + diff_expects exp; + + g_repo = cl_git_sandbox_init("status"); + cl_git_pass(git_repository_index(&idx, g_repo)); + + /* make the in-memory index invalid */ + { + git_repository *r2; + git_index *idx2; + cl_git_pass(git_repository_open(&r2, "status")); + cl_git_pass(git_repository_index(&idx2, r2)); + cl_git_pass(git_index_add_bypath(idx2, "new_file")); + cl_git_pass(git_index_add_bypath(idx2, "subdir/new_file")); + cl_git_pass(git_index_remove_bypath(idx2, "staged_new_file")); + cl_git_pass(git_index_remove_bypath(idx2, "staged_changes_file_deleted")); + cl_git_pass(git_index_write(idx2)); + git_index_free(idx2); + git_repository_free(r2); + } + + opts.context_lines = 3; + opts.interhunk_lines = 1; + opts.flags |= GIT_DIFF_INCLUDE_UNTRACKED | GIT_DIFF_INCLUDE_UNMODIFIED; + + /* first try with index pointer which should prevent reload */ + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, idx, &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(17, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_UNTRACKED]); + cl_assert_equal_i(5, exp.file_status[GIT_DELTA_UNMODIFIED]); + + git_diff_free(diff); + + /* now let's try without the index pointer which should trigger reload */ + + /* two files that were UNTRACKED should have become UNMODIFIED */ + /* one file that was UNMODIFIED should now have become UNTRACKED */ + /* one file that was DELETED should now be gone completely */ + + cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts)); + + memset(&exp, 0, sizeof(exp)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp)); + + git_diff_free(diff); + + cl_assert_equal_i(16, exp.files); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(4, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNTRACKED]); + cl_assert_equal_i(6, exp.file_status[GIT_DELTA_UNMODIFIED]); + + git_index_free(idx); +} |