diff options
Diffstat (limited to 'tests/diff/tree.c')
| -rw-r--r-- | tests/diff/tree.c | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/tests/diff/tree.c b/tests/diff/tree.c new file mode 100644 index 000000000..582174b8b --- /dev/null +++ b/tests/diff/tree.c @@ -0,0 +1,526 @@ +#include "clar_libgit2.h" +#include "diff_helpers.h" + +static git_repository *g_repo = NULL; +static git_diff_options opts; +static git_diff *diff; +static git_tree *a, *b; +static diff_expects expect; + +void test_diff_tree__initialize(void) +{ + cl_git_pass(git_diff_options_init(&opts, GIT_DIFF_OPTIONS_VERSION)); + + memset(&expect, 0, sizeof(expect)); + + diff = NULL; + a = NULL; + b = NULL; +} + +void test_diff_tree__cleanup(void) +{ + git_diff_free(diff); + git_tree_free(a); + git_tree_free(b); + + cl_git_sandbox_cleanup(); + +} + +void test_diff_tree__0(void) +{ + /* grabbed a couple of commit oids from the history of the attr repo */ + const char *a_commit = "605812a"; + const char *b_commit = "370fe9ec22"; + const char *c_commit = "f5b0af1fb4f5c"; + git_tree *c; + + g_repo = cl_git_sandbox_init("attr"); + + 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); + cl_assert((c = resolve_commit_oid_to_tree(g_repo, c_commit)) != NULL); + + opts.context_lines = 1; + opts.interhunk_lines = 1; + + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(5, expect.files); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_MODIFIED]); + + cl_assert_equal_i(5, expect.hunks); + + cl_assert_equal_i(7 + 24 + 1 + 6 + 6, expect.lines); + cl_assert_equal_i(1, expect.line_ctxt); + cl_assert_equal_i(24 + 1 + 5 + 5, expect.line_adds); + cl_assert_equal_i(7 + 1, expect.line_dels); + + git_diff_free(diff); + diff = NULL; + + memset(&expect, 0, sizeof(expect)); + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, c, b, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(2, expect.files); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_MODIFIED]); + + cl_assert_equal_i(2, expect.hunks); + + cl_assert_equal_i(8 + 15, expect.lines); + cl_assert_equal_i(1, expect.line_ctxt); + cl_assert_equal_i(1, expect.line_adds); + cl_assert_equal_i(7 + 14, expect.line_dels); + + git_tree_free(c); +} + +#define DIFF_OPTS(FLAGS, CTXT) \ + {GIT_DIFF_OPTIONS_VERSION, (FLAGS), GIT_SUBMODULE_IGNORE_DEFAULT, \ + {NULL,0}, NULL, NULL, (CTXT), 1} + +void test_diff_tree__options(void) +{ + /* grabbed a couple of commit oids from the history of the attr repo */ + const char *a_commit = "6bab5c79cd5140d0"; + const char *b_commit = "605812ab7fe421fdd"; + const char *c_commit = "f5b0af1fb4f5"; + const char *d_commit = "a97cc019851"; + git_tree *c, *d; + diff_expects actual; + int test_ab_or_cd[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1 }; + git_diff_options test_options[] = { + /* a vs b tests */ + DIFF_OPTS(GIT_DIFF_NORMAL, 1), + DIFF_OPTS(GIT_DIFF_NORMAL, 3), + DIFF_OPTS(GIT_DIFF_REVERSE, 2), + DIFF_OPTS(GIT_DIFF_FORCE_TEXT, 2), + /* c vs d tests */ + DIFF_OPTS(GIT_DIFF_NORMAL, 3), + DIFF_OPTS(GIT_DIFF_IGNORE_WHITESPACE, 3), + DIFF_OPTS(GIT_DIFF_IGNORE_WHITESPACE_CHANGE, 3), + DIFF_OPTS(GIT_DIFF_IGNORE_WHITESPACE_EOL, 3), + DIFF_OPTS(GIT_DIFF_IGNORE_WHITESPACE | GIT_DIFF_REVERSE, 1), + }; + + /* to generate these values: + * - cd to tests/resources/attr, + * - mv .gitted .git + * - git diff [options] 6bab5c79cd5140d0 605812ab7fe421fdd + * - mv .git .gitted + */ +#define EXPECT_STATUS_ADM(ADDS,DELS,MODS) { 0, ADDS, DELS, MODS, 0, 0, 0, 0, 0 } + + diff_expects test_expects[] = { + /* a vs b tests */ + { 5, 0, EXPECT_STATUS_ADM(3, 0, 2), 4, 0, 0, 51, 2, 46, 3 }, + { 5, 0, EXPECT_STATUS_ADM(3, 0, 2), 4, 0, 0, 53, 4, 46, 3 }, + { 5, 0, EXPECT_STATUS_ADM(0, 3, 2), 4, 0, 0, 52, 3, 3, 46 }, + { 5, 0, EXPECT_STATUS_ADM(3, 0, 2), 5, 0, 0, 54, 3, 47, 4 }, + /* c vs d tests */ + { 1, 0, EXPECT_STATUS_ADM(0, 0, 1), 1, 0, 0, 22, 9, 10, 3 }, + { 1, 0, EXPECT_STATUS_ADM(0, 0, 1), 1, 0, 0, 19, 12, 7, 0 }, + { 1, 0, EXPECT_STATUS_ADM(0, 0, 1), 1, 0, 0, 20, 11, 8, 1 }, + { 1, 0, EXPECT_STATUS_ADM(0, 0, 1), 1, 0, 0, 20, 11, 8, 1 }, + { 1, 0, EXPECT_STATUS_ADM(0, 0, 1), 1, 0, 0, 18, 11, 0, 7 }, + { 0 }, + }; + diff_expects *expected; + int i, j; + + g_repo = cl_git_sandbox_init("attr"); + + 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); + cl_assert((c = resolve_commit_oid_to_tree(g_repo, c_commit)) != NULL); + cl_assert((d = resolve_commit_oid_to_tree(g_repo, d_commit)) != NULL); + + for (i = 0; test_expects[i].files > 0; i++) { + memset(&actual, 0, sizeof(actual)); /* clear accumulator */ + opts = test_options[i]; + + if (test_ab_or_cd[i] == 0) + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + else + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, c, d, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &actual)); + + expected = &test_expects[i]; + cl_assert_equal_i(actual.files, expected->files); + for (j = GIT_DELTA_UNMODIFIED; j <= GIT_DELTA_TYPECHANGE; ++j) + cl_assert_equal_i(expected->file_status[j], actual.file_status[j]); + cl_assert_equal_i(actual.hunks, expected->hunks); + cl_assert_equal_i(actual.lines, expected->lines); + cl_assert_equal_i(actual.line_ctxt, expected->line_ctxt); + cl_assert_equal_i(actual.line_adds, expected->line_adds); + cl_assert_equal_i(actual.line_dels, expected->line_dels); + + git_diff_free(diff); + diff = NULL; + } + + git_tree_free(c); + git_tree_free(d); +} + +void test_diff_tree__bare(void) +{ + const char *a_commit = "8496071c1b46c85"; + const char *b_commit = "be3563ae3f79"; + + g_repo = cl_git_sandbox_init("testrepo.git"); + + 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 = 1; + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(3, expect.files); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_MODIFIED]); + + cl_assert_equal_i(3, expect.hunks); + + cl_assert_equal_i(4, expect.lines); + cl_assert_equal_i(0, expect.line_ctxt); + cl_assert_equal_i(3, expect.line_adds); + cl_assert_equal_i(1, expect.line_dels); +} + +void test_diff_tree__merge(void) +{ + /* grabbed a couple of commit oids from the history of the attr repo */ + const char *a_commit = "605812a"; + const char *b_commit = "370fe9ec22"; + const char *c_commit = "f5b0af1fb4f5c"; + git_tree *c; + git_diff *diff1 = NULL, *diff2 = NULL; + + g_repo = cl_git_sandbox_init("attr"); + + 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); + cl_assert((c = resolve_commit_oid_to_tree(g_repo, c_commit)) != NULL); + + cl_git_pass(git_diff_tree_to_tree(&diff1, g_repo, a, b, NULL)); + + cl_git_pass(git_diff_tree_to_tree(&diff2, g_repo, c, b, NULL)); + + git_tree_free(c); + + cl_git_pass(git_diff_merge(diff1, diff2)); + + git_diff_free(diff2); + + cl_git_pass(git_diff_foreach( + diff1, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(6, expect.files); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(3, expect.file_status[GIT_DELTA_MODIFIED]); + + cl_assert_equal_i(6, expect.hunks); + + cl_assert_equal_i(59, expect.lines); + cl_assert_equal_i(1, expect.line_ctxt); + cl_assert_equal_i(36, expect.line_adds); + cl_assert_equal_i(22, expect.line_dels); + + git_diff_free(diff1); +} + +void test_diff_tree__larger_hunks(void) +{ + const char *a_commit = "d70d245ed97ed2aa596dd1af6536e4bfdb047b69"; + const char *b_commit = "7a9e0b02e63179929fed24f0a3e0f19168114d10"; + size_t d, num_d, h, num_h, l, num_l; + git_patch *patch; + const git_diff_hunk *hunk; + const git_diff_line *line; + + 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; + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + + num_d = git_diff_num_deltas(diff); + 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); + } + + cl_git_fail(git_patch_get_line_in_hunk(&line, patch, h, num_l)); + } + + cl_git_fail(git_patch_get_hunk(&hunk, &num_l, patch, num_h)); + + git_patch_free(patch); + } + + cl_git_fail(git_patch_from_diff(&patch, diff, num_d)); + + cl_assert_equal_i(2, (int)num_d); +} + +void test_diff_tree__checks_options_version(void) +{ + const char *a_commit = "8496071c1b46c85"; + const char *b_commit = "be3563ae3f79"; + const git_error *err; + + g_repo = cl_git_sandbox_init("testrepo.git"); + + 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.version = 0; + cl_git_fail(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + err = giterr_last(); + cl_assert_equal_i(GITERR_INVALID, err->klass); + + giterr_clear(); + opts.version = 1024; + cl_git_fail(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + err = giterr_last(); +} + +void process_tree_to_tree_diffing( + const char *old_commit, + const char *new_commit) +{ + g_repo = cl_git_sandbox_init("unsymlinked.git"); + + cl_assert((a = resolve_commit_oid_to_tree(g_repo, old_commit)) != NULL); + cl_assert((b = resolve_commit_oid_to_tree(g_repo, new_commit)) != NULL); + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, NULL, NULL, &expect)); +} + +void test_diff_tree__symlink_blob_mode_changed_to_regular_file(void) +{ + /* + * $ git diff 7fccd7..806999 + * diff --git a/include/Nu/Nu.h b/include/Nu/Nu.h + * deleted file mode 120000 + * index 19bf568..0000000 + * --- a/include/Nu/Nu.h + * +++ /dev/null + * @@ -1 +0,0 @@ + * -../../objc/Nu.h + * \ No newline at end of file + * diff --git a/include/Nu/Nu.h b/include/Nu/Nu.h + * new file mode 100644 + * index 0000000..f9e6561 + * --- /dev/null + * +++ b/include/Nu/Nu.h + * @@ -0,0 +1 @@ + * +awesome content + * diff --git a/objc/Nu.h b/objc/Nu.h + * deleted file mode 100644 + * index f9e6561..0000000 + * --- a/objc/Nu.h + * +++ /dev/null + * @@ -1 +0,0 @@ + * -awesome content + */ + + process_tree_to_tree_diffing("7fccd7", "806999"); + + cl_assert_equal_i(3, expect.files); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_TYPECHANGE]); +} + +void test_diff_tree__symlink_blob_mode_changed_to_regular_file_as_typechange(void) +{ + /* + * $ git diff 7fccd7..a8595c + * diff --git a/include/Nu/Nu.h b/include/Nu/Nu.h + * deleted file mode 120000 + * index 19bf568..0000000 + * --- a/include/Nu/Nu.h + * +++ /dev/null + * @@ -1 +0,0 @@ + * -../../objc/Nu.h + * \ No newline at end of file + * diff --git a/include/Nu/Nu.h b/include/Nu/Nu.h + * new file mode 100755 + * index 0000000..f9e6561 + * --- /dev/null + * +++ b/include/Nu/Nu.h + * @@ -0,0 +1 @@ + * +awesome content + * diff --git a/objc/Nu.h b/objc/Nu.h + * deleted file mode 100644 + * index f9e6561..0000000 + * --- a/objc/Nu.h + * +++ /dev/null + * @@ -1 +0,0 @@ + * -awesome content + */ + + opts.flags = GIT_DIFF_INCLUDE_TYPECHANGE; + process_tree_to_tree_diffing("7fccd7", "a8595c"); + + cl_assert_equal_i(2, expect.files); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_TYPECHANGE]); +} + +void test_diff_tree__regular_blob_mode_changed_to_executable_file(void) +{ + /* + * $ git diff 806999..a8595c + * diff --git a/include/Nu/Nu.h b/include/Nu/Nu.h + * old mode 100644 + * new mode 100755 + */ + + process_tree_to_tree_diffing("806999", "a8595c"); + + cl_assert_equal_i(1, expect.files); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_TYPECHANGE]); +} + +void test_diff_tree__issue_1397(void) +{ + /* this test shows that it is not needed */ + + g_repo = cl_git_sandbox_init("issue_1397"); + + cl_repo_set_bool(g_repo, "core.autocrlf", true); + + cl_assert((a = resolve_commit_oid_to_tree(g_repo, "8a7ef04")) != NULL); + cl_assert((b = resolve_commit_oid_to_tree(g_repo, "7f483a7")) != NULL); + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(1, expect.files); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(1, expect.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(0, expect.file_status[GIT_DELTA_TYPECHANGE]); +} + +static void set_config_int(git_repository *repo, const char *name, int value) +{ + git_config *cfg; + + cl_git_pass(git_repository_config(&cfg, repo)); + cl_git_pass(git_config_set_int32(cfg, name, value)); + git_config_free(cfg); +} + +void test_diff_tree__diff_configs(void) +{ + const char *a_commit = "d70d245e"; + const char *b_commit = "7a9e0b02"; + + 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); + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, NULL)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(2, expect.files); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(6, expect.hunks); + cl_assert_equal_i(55, expect.lines); + cl_assert_equal_i(33, expect.line_ctxt); + cl_assert_equal_i(7, expect.line_adds); + cl_assert_equal_i(15, expect.line_dels); + + git_diff_free(diff); + diff = NULL; + + set_config_int(g_repo, "diff.context", 1); + + memset(&expect, 0, sizeof(expect)); + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, NULL)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(2, expect.files); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(7, expect.hunks); + cl_assert_equal_i(34, expect.lines); + cl_assert_equal_i(12, expect.line_ctxt); + cl_assert_equal_i(7, expect.line_adds); + cl_assert_equal_i(15, expect.line_dels); + + git_diff_free(diff); + diff = NULL; + + set_config_int(g_repo, "diff.context", 0); + set_config_int(g_repo, "diff.noprefix", 1); + + memset(&expect, 0, sizeof(expect)); + + cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, a, b, NULL)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &expect)); + + cl_assert_equal_i(2, expect.files); + cl_assert_equal_i(2, expect.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(7, expect.hunks); + cl_assert_equal_i(22, expect.lines); + cl_assert_equal_i(0, expect.line_ctxt); + cl_assert_equal_i(7, expect.line_adds); + cl_assert_equal_i(15, expect.line_dels); +} |