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#include "clar_libgit2.h"
#include "diff_helpers.h"
static git_repository *g_repo = NULL;
void test_diff_index__initialize(void)
{
g_repo = cl_git_sandbox_init("status");
}
void test_diff_index__cleanup(void)
{
cl_git_sandbox_cleanup();
}
void test_diff_index__0(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 = resolve_commit_oid_to_tree(g_repo, a_commit);
git_tree *b = resolve_commit_oid_to_tree(g_repo, b_commit);
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff *diff = NULL;
diff_expects exp;
cl_assert(a);
cl_assert(b);
opts.context_lines = 1;
opts.interhunk_lines = 1;
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp));
/* to generate these values:
* - cd to tests/resources/status,
* - mv .gitted .git
* - git diff --name-status --cached 26a125ee1bf
* - git diff -U1 --cached 26a125ee1bf
* - mv .git .gitted
*/
cl_assert_equal_i(8, exp.files);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(8, exp.hunks);
cl_assert_equal_i(11, exp.lines);
cl_assert_equal_i(3, exp.line_ctxt);
cl_assert_equal_i(6, exp.line_adds);
cl_assert_equal_i(2, exp.line_dels);
git_diff_free(diff);
diff = NULL;
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_tree_to_index(&diff, g_repo, b, NULL, &opts));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp));
/* to generate these values:
* - cd to tests/resources/status,
* - mv .gitted .git
* - git diff --name-status --cached 0017bd4ab1ec3
* - git diff -U1 --cached 0017bd4ab1ec3
* - mv .git .gitted
*/
cl_assert_equal_i(12, exp.files);
cl_assert_equal_i(7, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(12, exp.hunks);
cl_assert_equal_i(16, exp.lines);
cl_assert_equal_i(3, exp.line_ctxt);
cl_assert_equal_i(11, exp.line_adds);
cl_assert_equal_i(2, exp.line_dels);
git_diff_free(diff);
diff = NULL;
git_tree_free(a);
git_tree_free(b);
}
static int diff_stop_after_2_files(
const git_diff_delta *delta,
float progress,
void *payload)
{
diff_expects *e = payload;
GIT_UNUSED(progress);
GIT_UNUSED(delta);
e->files++;
return (e->files == 2);
}
void test_diff_index__1(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 = resolve_commit_oid_to_tree(g_repo, a_commit);
git_tree *b = resolve_commit_oid_to_tree(g_repo, b_commit);
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff *diff = NULL;
diff_expects exp;
cl_assert(a);
cl_assert(b);
opts.context_lines = 1;
opts.interhunk_lines = 1;
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts));
cl_assert_equal_i(1, git_diff_foreach(
diff, diff_stop_after_2_files, NULL, NULL, NULL, &exp) );
cl_assert_equal_i(2, exp.files);
git_diff_free(diff);
diff = NULL;
git_tree_free(a);
git_tree_free(b);
}
void test_diff_index__checks_options_version(void)
{
const char *a_commit = "26a125ee1bf";
git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit);
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff *diff = NULL;
const git_error *err;
opts.version = 0;
cl_git_fail(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts));
err = giterr_last();
cl_assert_equal_i(GITERR_INVALID, err->klass);
cl_assert_equal_p(diff, NULL);
giterr_clear();
opts.version = 1024;
cl_git_fail(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts));
err = giterr_last();
cl_assert_equal_i(GITERR_INVALID, err->klass);
cl_assert_equal_p(diff, NULL);
git_tree_free(a);
}
static void do_conflicted_diff(diff_expects *exp, unsigned long flags)
{
const char *a_commit = "26a125ee1bf"; /* the current HEAD */
git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit);
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_index_entry ancestor = {{0}}, ours = {{0}}, theirs = {{0}};
git_diff *diff = NULL;
git_index *index;
cl_assert(a);
opts.context_lines = 1;
opts.interhunk_lines = 1;
opts.flags |= flags;
memset(exp, 0, sizeof(diff_expects));
cl_git_pass(git_repository_index(&index, g_repo));
ancestor.path = ours.path = theirs.path = "staged_changes";
ancestor.mode = ours.mode = theirs.mode = 0100644;
git_oid_fromstr(&ancestor.id, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef");
git_oid_fromstr(&ours.id, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef");
git_oid_fromstr(&theirs.id, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef");
cl_git_pass(git_index_conflict_add(index, &ancestor, &ours, &theirs));
cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, index, &opts));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, exp));
git_diff_free(diff);
git_tree_free(a);
git_index_free(index);
}
void test_diff_index__reports_conflicts(void)
{
diff_expects exp;
do_conflicted_diff(&exp, 0);
cl_assert_equal_i(8, exp.files);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_CONFLICTED]);
cl_assert_equal_i(7, exp.hunks);
cl_assert_equal_i(9, exp.lines);
cl_assert_equal_i(2, exp.line_ctxt);
cl_assert_equal_i(5, exp.line_adds);
cl_assert_equal_i(2, exp.line_dels);
}
void test_diff_index__reports_conflicts_when_reversed(void)
{
diff_expects exp;
do_conflicted_diff(&exp, GIT_DIFF_REVERSE);
cl_assert_equal_i(8, exp.files);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, exp.file_status[GIT_DELTA_CONFLICTED]);
cl_assert_equal_i(7, exp.hunks);
cl_assert_equal_i(9, exp.lines);
cl_assert_equal_i(2, exp.line_ctxt);
cl_assert_equal_i(2, exp.line_adds);
cl_assert_equal_i(5, exp.line_dels);
}
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