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Diffstat (limited to 'tests/diff/index.c')
| -rw-r--r-- | tests/diff/index.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/tests/diff/index.c b/tests/diff/index.c new file mode 100644 index 000000000..8f4567137 --- /dev/null +++ b/tests/diff/index.c @@ -0,0 +1,167 @@ +#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_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_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( + GIT_EUSER, + git_diff_foreach(diff, diff_stop_after_2_files, 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); +} + |