#include "clar_libgit2.h" #include "diff_helpers.h" static git_repository *g_repo = NULL; void test_diff_patch__initialize(void) { g_repo = cl_git_sandbox_init("status"); } void test_diff_patch__cleanup(void) { cl_git_sandbox_cleanup(); } #define EXPECTED_HEADER "diff --git a/subdir.txt b/subdir.txt\n" \ "deleted file mode 100644\n" \ "index e8ee89e..0000000\n" \ "--- a/subdir.txt\n" \ "+++ /dev/null\n" #define EXPECTED_HUNK "@@ -1,2 +0,0 @@\n" static int check_removal_cb( void *cb_data, const git_diff_delta *delta, const git_diff_range *range, char line_origin, const char *formatted_output, size_t output_len) { GIT_UNUSED(cb_data); GIT_UNUSED(output_len); switch (line_origin) { case GIT_DIFF_LINE_FILE_HDR: cl_assert_equal_s(EXPECTED_HEADER, formatted_output); cl_assert(range == NULL); goto check_delta; case GIT_DIFF_LINE_HUNK_HDR: cl_assert_equal_s(EXPECTED_HUNK, formatted_output); /* Fall through */ case GIT_DIFF_LINE_CONTEXT: case GIT_DIFF_LINE_DELETION: goto check_range; default: /* unexpected code path */ return -1; } check_range: cl_assert(range != NULL); cl_assert_equal_i(1, range->old_start); cl_assert_equal_i(2, range->old_lines); cl_assert_equal_i(0, range->new_start); cl_assert_equal_i(0, range->new_lines); check_delta: cl_assert_equal_s("subdir.txt", delta->old_file.path); cl_assert_equal_s("subdir.txt", delta->new_file.path); cl_assert_equal_i(GIT_DELTA_DELETED, delta->status); return 0; } void test_diff_patch__can_properly_display_the_removal_of_a_file(void) { /* * $ git diff 26a125e..735b6a2 * diff --git a/subdir.txt b/subdir.txt * deleted file mode 100644 * index e8ee89e..0000000 * --- a/subdir.txt * +++ /dev/null * @@ -1,2 +0,0 @@ * -Is it a bird? * -Is it a plane? */ const char *one_sha = "26a125e"; const char *another_sha = "735b6a2"; git_tree *one, *another; git_diff_list *diff; one = resolve_commit_oid_to_tree(g_repo, one_sha); another = resolve_commit_oid_to_tree(g_repo, another_sha); cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, one, another, NULL)); cl_git_pass(git_diff_print_patch(diff, NULL, check_removal_cb)); git_diff_list_free(diff); git_tree_free(another); git_tree_free(one); } void test_diff_patch__to_string(void) { const char *one_sha = "26a125e"; const char *another_sha = "735b6a2"; git_tree *one, *another; git_diff_list *diff; git_diff_patch *patch; char *text; const char *expected = "diff --git a/subdir.txt b/subdir.txt\ndeleted file mode 100644\nindex e8ee89e..0000000\n--- a/subdir.txt\n+++ /dev/null\n@@ -1,2 +0,0 @@\n-Is it a bird?\n-Is it a plane?\n"; one = resolve_commit_oid_to_tree(g_repo, one_sha); another = resolve_commit_oid_to_tree(g_repo, another_sha); cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, one, another, NULL)); cl_assert_equal_i(1, git_diff_num_deltas(diff)); cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0)); cl_git_pass(git_diff_patch_to_str(&text, patch)); cl_assert_equal_s(expected, text); git__free(text); git_diff_patch_free(patch); git_diff_list_free(diff); git_tree_free(another); git_tree_free(one); }