thodg/libgit2/tests/index/filemodes.c
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Hash : 4afe536b
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Date : 2016-02-28T16:02:49
tests: use legitimate object ids Use legitimate (existing) object IDs in tests so that we have the ability to turn on strict object validation when running tests.
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tests/index/filemodes.c
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#include "clar_libgit2.h" #include "buffer.h" #include "posix.h" #include "index.h" static git_repository *g_repo = NULL; void test_index_filemodes__initialize(void) { g_repo = cl_git_sandbox_init("filemodes"); } void test_index_filemodes__cleanup(void) { cl_git_sandbox_cleanup(); } void test_index_filemodes__read(void) { git_index *index; unsigned int i; static bool expected[6] = { 0, 1, 0, 1, 0, 1 }; cl_git_pass(git_repository_index(&index, g_repo)); cl_assert_equal_i(6, (int)git_index_entrycount(index)); for (i = 0; i < 6; ++i) { const git_index_entry *entry = git_index_get_byindex(index, i); cl_assert(entry != NULL); cl_assert(((entry->mode & 0100) ? 1 : 0) == expected[i]); } git_index_free(index); } static void replace_file_with_mode( const char *filename, const char *backup, unsigned int create_mode) { git_buf path = GIT_BUF_INIT, content = GIT_BUF_INIT; cl_git_pass(git_buf_joinpath(&path, "filemodes", filename)); cl_git_pass(git_buf_printf(&content, "%s as %08u (%d)", filename, create_mode, rand())); cl_git_pass(p_rename(path.ptr, backup)); cl_git_write2file( path.ptr, content.ptr, content.size, O_WRONLY|O_CREAT|O_TRUNC, create_mode); git_buf_free(&path); git_buf_free(&content); } #define add_and_check_mode(I,F,X) add_and_check_mode_(I,F,X,__FILE__,__LINE__) static void add_and_check_mode_( git_index *index, const char *filename, unsigned int expect_mode, const char *file, int line) { size_t pos; const git_index_entry *entry; cl_git_pass(git_index_add_bypath(index, filename)); clar__assert(!git_index_find(&pos, index, filename), file, line, "Cannot find index entry", NULL, 1); entry = git_index_get_byindex(index, pos); clar__assert_equal(file, line, "Expected mode does not match index", 1, "%07o", (unsigned int)entry->mode, (unsigned int)expect_mode); } void test_index_filemodes__untrusted(void) { git_index *index; cl_repo_set_bool(g_repo, "core.filemode", false); cl_git_pass(git_repository_index(&index, g_repo)); cl_assert((git_index_caps(index) & GIT_INDEXCAP_NO_FILEMODE) != 0); /* 1 - add 0644 over existing 0644 -> expect 0644 */ replace_file_with_mode("exec_off", "filemodes/exec_off.0", 0644); add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB); /* 2 - add 0644 over existing 0755 -> expect 0755 */ replace_file_with_mode("exec_on", "filemodes/exec_on.0", 0644); add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB_EXECUTABLE); /* 3 - add 0755 over existing 0644 -> expect 0644 */ replace_file_with_mode("exec_off", "filemodes/exec_off.1", 0755); add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB); /* 4 - add 0755 over existing 0755 -> expect 0755 */ replace_file_with_mode("exec_on", "filemodes/exec_on.1", 0755); add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB_EXECUTABLE); /* 5 - add new 0644 -> expect 0644 */ cl_git_write2file("filemodes/new_off", "blah", 0, O_WRONLY | O_CREAT | O_TRUNC, 0644); add_and_check_mode(index, "new_off", GIT_FILEMODE_BLOB); /* 6 - add new 0755 -> expect 0644 if core.filemode == false */ cl_git_write2file("filemodes/new_on", "blah", 0, O_WRONLY | O_CREAT | O_TRUNC, 0755); add_and_check_mode(index, "new_on", GIT_FILEMODE_BLOB); git_index_free(index); } void test_index_filemodes__trusted(void) { git_index *index; /* Only run these tests on platforms where I can actually * chmod a file and get the stat results I expect! */ if (!cl_is_chmod_supported()) return; cl_repo_set_bool(g_repo, "core.filemode", true); cl_git_pass(git_repository_index(&index, g_repo)); cl_assert((git_index_caps(index) & GIT_INDEXCAP_NO_FILEMODE) == 0); /* 1 - add 0644 over existing 0644 -> expect 0644 */ replace_file_with_mode("exec_off", "filemodes/exec_off.0", 0644); add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB); /* 2 - add 0644 over existing 0755 -> expect 0644 */ replace_file_with_mode("exec_on", "filemodes/exec_on.0", 0644); add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB); /* 3 - add 0755 over existing 0644 -> expect 0755 */ replace_file_with_mode("exec_off", "filemodes/exec_off.1", 0755); add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB_EXECUTABLE); /* 4 - add 0755 over existing 0755 -> expect 0755 */ replace_file_with_mode("exec_on", "filemodes/exec_on.1", 0755); add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB_EXECUTABLE); /* 5 - add new 0644 -> expect 0644 */ cl_git_write2file("filemodes/new_off", "blah", 0, O_WRONLY | O_CREAT | O_TRUNC, 0644); add_and_check_mode(index, "new_off", GIT_FILEMODE_BLOB); /* 6 - add 0755 -> expect 0755 */ cl_git_write2file("filemodes/new_on", "blah", 0, O_WRONLY | O_CREAT | O_TRUNC, 0755); add_and_check_mode(index, "new_on", GIT_FILEMODE_BLOB_EXECUTABLE); git_index_free(index); } #define add_entry_and_check_mode(I,FF,X) add_entry_and_check_mode_(I,FF,X,__FILE__,__LINE__) static void add_entry_and_check_mode_( git_index *index, bool from_file, git_filemode_t mode, const char *file, int line) { size_t pos; const git_index_entry* entry; git_index_entry new_entry; /* If old_filename exists, we copy that to the new file, and test * git_index_add(), otherwise create a new entry testing git_index_add_frombuffer */ if (from_file) { clar__assert(!git_index_find(&pos, index, "exec_off"), file, line, "Cannot find original index entry", NULL, 1); entry = git_index_get_byindex(index, pos); memcpy(&new_entry, entry, sizeof(new_entry)); } else memset(&new_entry, 0x0, sizeof(git_index_entry)); new_entry.path = "filemodes/explicit_test"; new_entry.mode = mode; if (from_file) { clar__assert(!git_index_add(index, &new_entry), file, line, "Cannot add index entry", NULL, 1); } else { const char *content = "hey there\n"; clar__assert(!git_index_add_frombuffer(index, &new_entry, content, strlen(content)), file, line, "Cannot add index entry from buffer", NULL, 1); } clar__assert(!git_index_find(&pos, index, "filemodes/explicit_test"), file, line, "Cannot find new index entry", NULL, 1); entry = git_index_get_byindex(index, pos); clar__assert_equal(file, line, "Expected mode does not match index", 1, "%07o", (unsigned int)entry->mode, (unsigned int)mode); } void test_index_filemodes__explicit(void) { git_index *index; /* These tests should run and work everywhere, as the filemode is * given explicitly to git_index_add or git_index_add_frombuffer */ cl_repo_set_bool(g_repo, "core.filemode", false); cl_git_pass(git_repository_index(&index, g_repo)); /* Each of these tests keeps overwriting the same file in the index. */ /* 1 - add new 0644 entry */ add_entry_and_check_mode(index, true, GIT_FILEMODE_BLOB); /* 2 - add 0755 entry over existing 0644 */ add_entry_and_check_mode(index, true, GIT_FILEMODE_BLOB_EXECUTABLE); /* 3 - add 0644 entry over existing 0755 */ add_entry_and_check_mode(index, true, GIT_FILEMODE_BLOB); /* 4 - add 0755 buffer entry over existing 0644 */ add_entry_and_check_mode(index, false, GIT_FILEMODE_BLOB_EXECUTABLE); /* 5 - add 0644 buffer entry over existing 0755 */ add_entry_and_check_mode(index, false, GIT_FILEMODE_BLOB); git_index_free(index); } void test_index_filemodes__invalid(void) { git_index *index; git_index_entry entry; const git_index_entry *dummy; cl_git_pass(git_repository_index(&index, g_repo)); /* add a dummy file so that we have a valid id */ cl_git_mkfile("./filemodes/dummy-file.txt", "new-file\n"); cl_git_pass(git_index_add_bypath(index, "dummy-file.txt")); cl_assert((dummy = git_index_get_bypath(index, "dummy-file.txt", 0))); GIT_IDXENTRY_STAGE_SET(&entry, 0); entry.path = "foo"; entry.mode = GIT_OBJ_BLOB; git_oid_cpy(&entry.id, &dummy->id); cl_git_fail(git_index_add(index, &entry)); entry.mode = GIT_FILEMODE_BLOB; cl_git_pass(git_index_add(index, &entry)); git_index_free(index); }