#include "clar_libgit2.h"
#include "diff_helpers.h"
static git_repository *g_repo = NULL;
void test_diff_tree__initialize(void)
{
}
void test_diff_tree__cleanup(void)
{
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 *a, *b, *c;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff_list *diff = NULL;
diff_expects exp;
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;
memset(&exp, 0, sizeof(exp));
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, &exp));
cl_assert_equal_i(5, exp.files);
cl_assert_equal_i(2, 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_MODIFIED]);
cl_assert_equal_i(5, exp.hunks);
cl_assert_equal_i(7 + 24 + 1 + 6 + 6, exp.lines);
cl_assert_equal_i(1, exp.line_ctxt);
cl_assert_equal_i(24 + 1 + 5 + 5, exp.line_adds);
cl_assert_equal_i(7 + 1, exp.line_dels);
git_diff_list_free(diff);
diff = NULL;
memset(&exp, 0, sizeof(exp));
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, &exp));
cl_assert_equal_i(2, 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.hunks);
cl_assert_equal_i(8 + 15, exp.lines);
cl_assert_equal_i(1, exp.line_ctxt);
cl_assert_equal_i(1, exp.line_adds);
cl_assert_equal_i(7 + 14, exp.line_dels);
git_diff_list_free(diff);
git_tree_free(a);
git_tree_free(b);
git_tree_free(c);
}
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 *a, *b, *c, *d;
git_diff_options opts = {0};
git_diff_list *diff = NULL;
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 */
{ 1, GIT_DIFF_NORMAL, 1, 1, NULL, NULL, {0} },
{ 1, GIT_DIFF_NORMAL, 3, 1, NULL, NULL, {0} },
{ 1, GIT_DIFF_REVERSE, 2, 1, NULL, NULL, {0} },
{ 1, GIT_DIFF_FORCE_TEXT, 2, 1, NULL, NULL, {0} },
/* c vs d tests */
{ 1, GIT_DIFF_NORMAL, 3, 1, NULL, NULL, {0} },
{ 1, GIT_DIFF_IGNORE_WHITESPACE, 3, 1, NULL, NULL, {0} },
{ 1, GIT_DIFF_IGNORE_WHITESPACE_CHANGE, 3, 1, NULL, NULL, {0} },
{ 1, GIT_DIFF_IGNORE_WHITESPACE_EOL, 3, 1, NULL, NULL, {0} },
{ 1, GIT_DIFF_IGNORE_WHITESPACE | GIT_DIFF_REVERSE, 1, 1, NULL, NULL, {0} },
};
/* 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_list_free(diff);
diff = NULL;
}
git_tree_free(a);
git_tree_free(b);
git_tree_free(c);
git_tree_free(d);
}
void test_diff_tree__bare(void)
{
const char *a_commit = "8496071c1b46c85";
const char *b_commit = "be3563ae3f79";
git_tree *a, *b;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff_list *diff = NULL;
diff_expects exp;
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;
memset(&exp, 0, sizeof(exp));
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, &exp));
cl_assert_equal_i(3, exp.files);
cl_assert_equal_i(2, 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(3, exp.hunks);
cl_assert_equal_i(4, exp.lines);
cl_assert_equal_i(0, exp.line_ctxt);
cl_assert_equal_i(3, exp.line_adds);
cl_assert_equal_i(1, exp.line_dels);
git_diff_list_free(diff);
git_tree_free(a);
git_tree_free(b);
}
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 *a, *b, *c;
git_diff_list *diff1 = NULL, *diff2 = NULL;
diff_expects exp;
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(a);
git_tree_free(b);
git_tree_free(c);
cl_git_pass(git_diff_merge(diff1, diff2));
git_diff_list_free(diff2);
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff1, 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_ADDED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(6, exp.hunks);
cl_assert_equal_i(59, exp.lines);
cl_assert_equal_i(1, exp.line_ctxt);
cl_assert_equal_i(36, exp.line_adds);
cl_assert_equal_i(22, exp.line_dels);
git_diff_list_free(diff1);
}
void test_diff_tree__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;
git_diff_list *diff = NULL;
size_t d, num_d, h, num_h, l, num_l, header_len, line_len;
const git_diff_delta *delta;
git_diff_patch *patch;
const git_diff_range *range;
const char *header, *line;
char origin;
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_diff_get_patch(&patch, &delta, diff, d));
cl_assert(patch && delta);
num_h = git_diff_patch_num_hunks(patch);
for (h = 0; h < num_h; h++) {
cl_git_pass(git_diff_patch_get_hunk(
&range, &header, &header_len, &num_l, patch, h));
for (l = 0; l < num_l; ++l) {
cl_git_pass(git_diff_patch_get_line_in_hunk(
&origin, &line, &line_len, NULL, NULL, patch, h, l));
cl_assert(line);
}
cl_git_fail(git_diff_patch_get_line_in_hunk(
&origin, &line, &line_len, NULL, NULL, patch, h, num_l));
}
cl_git_fail(git_diff_patch_get_hunk(
&range, &header, &header_len, &num_l, patch, num_h));
git_diff_patch_free(patch);
}
cl_git_fail(git_diff_get_patch(&patch, &delta, diff, num_d));
cl_assert_equal_i(2, (int)num_d);
git_diff_list_free(diff);
diff = NULL;
git_tree_free(a);
git_tree_free(b);
}
void test_diff_tree__checks_options_version(void)
{
const char *a_commit = "8496071c1b46c85";
const char *b_commit = "be3563ae3f79";
git_tree *a, *b;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff_list *diff = NULL;
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();
git_tree_free(a);
git_tree_free(b);
}
