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ALEXBIO / Git-Raw-0.26-TRIAL / xs / libgit2 / tests-clar / diff / index.c 

            

              
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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_list *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_list_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_list_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_list *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_list_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_list *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);
}