src/test/test-terminal-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <fcntl.h>
   4 #include <stdbool.h>
   5 #include <stdio.h>
   6 #include <sys/stat.h>
   7 #include <unistd.h>
   8
   9 #include "alloc-util.h"
  10 #include "fd-util.h"
  11 #include "fs-util.h"
  12 #include "macro.h"
  13 #include "path-util.h"
  14 #include "strv.h"
  15 #include "terminal-util.h"
  16 #include "tests.h"
  17 #include "tmpfile-util.h"
  18
  19 #define LOREM_IPSUM "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor " \
  20         "incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation " \
  21         "ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit " \
  22         "in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat " \
  23         "non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
  24
  25 TEST(default_term_for_tty) {
  26         puts(default_term_for_tty("/dev/tty23"));
  27         puts(default_term_for_tty("/dev/ttyS23"));
  28         puts(default_term_for_tty("/dev/tty0"));
  29         puts(default_term_for_tty("/dev/pty0"));
  30         puts(default_term_for_tty("/dev/pts/0"));
  31         puts(default_term_for_tty("/dev/console"));
  32         puts(default_term_for_tty("tty23"));
  33         puts(default_term_for_tty("ttyS23"));
  34         puts(default_term_for_tty("tty0"));
  35         puts(default_term_for_tty("pty0"));
  36         puts(default_term_for_tty("pts/0"));
  37         puts(default_term_for_tty("console"));
  38 }
  39
  40 TEST(read_one_char) {
  41         _cleanup_fclose_ FILE *file = NULL;
  42         char r;
  43         bool need_nl;
  44         _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-read_one_char.XXXXXX";
  45
  46         assert_se(fmkostemp_safe(name, "r+", &file) == 0);
  47
  48         assert_se(fputs("c\n", file) >= 0);
  49         rewind(file);
  50         assert_se(read_one_char(file, &r, 1000000, &need_nl) >= 0);
  51         assert_se(!need_nl);
  52         assert_se(r == 'c');
  53         assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
  54
  55         rewind(file);
  56         assert_se(fputs("foobar\n", file) >= 0);
  57         rewind(file);
  58         assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
  59
  60         rewind(file);
  61         assert_se(fputs("\n", file) >= 0);
  62         rewind(file);
  63         assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
  64 }
  65
  66 TEST(getttyname_malloc) {
  67         _cleanup_free_ char *ttyname = NULL;
  68         _cleanup_close_ int master = -EBADF;
  69
  70         assert_se((master = posix_openpt(O_RDWR|O_NOCTTY)) >= 0);
  71         assert_se(getttyname_malloc(master, &ttyname) >= 0);
  72         log_info("ttyname = %s", ttyname);
  73
  74         assert_se(PATH_IN_SET(ttyname, "ptmx", "pts/ptmx"));
  75 }
  76
  77 typedef struct {
  78         const char *name;
  79         const char* (*func)(void);
  80 } Color;
  81
  82 static const Color colors[] = {
  83         { "normal", ansi_normal },
  84         { "highlight", ansi_highlight },
  85         { "black", ansi_black },
  86         { "red", ansi_red },
  87         { "green", ansi_green },
  88         { "yellow", ansi_yellow },
  89         { "blue", ansi_blue },
  90         { "magenta", ansi_magenta },
  91         { "cyan", ansi_cyan },
  92         { "white", ansi_white },
  93         { "grey", ansi_grey },
  94
  95         { "bright-black", ansi_bright_black },
  96         { "bright-red", ansi_bright_red },
  97         { "bright-green", ansi_bright_green },
  98         { "bright-yellow", ansi_bright_yellow },
  99         { "bright-blue", ansi_bright_blue },
 100         { "bright-magenta", ansi_bright_magenta },
 101         { "bright-cyan", ansi_bright_cyan },
 102         { "bright-white", ansi_bright_white },
 103
 104         { "highlight-black", ansi_highlight_black },
 105         { "highlight-red", ansi_highlight_red },
 106         { "highlight-green", ansi_highlight_green },
 107         { "highlight-yellow (original)", _ansi_highlight_yellow },
 108         { "highlight-yellow (replacement)", ansi_highlight_yellow },
 109         { "highlight-blue", ansi_highlight_blue },
 110         { "highlight-magenta", ansi_highlight_magenta },
 111         { "highlight-cyan", ansi_highlight_cyan },
 112         { "highlight-white", ansi_highlight_white },
 113         { "highlight-grey", ansi_highlight_grey },
 114
 115         { "underline", ansi_underline },
 116         { "highlight-underline", ansi_highlight_underline },
 117         { "highlight-red-underline", ansi_highlight_red_underline },
 118         { "highlight-green-underline", ansi_highlight_green_underline },
 119         { "highlight-yellow-underline", ansi_highlight_yellow_underline },
 120         { "highlight-blue-underline", ansi_highlight_blue_underline },
 121         { "highlight-magenta-underline", ansi_highlight_magenta_underline },
 122         { "highlight-grey-underline", ansi_highlight_grey_underline },
 123 };
 124
 125 TEST(colors) {
 126         for (size_t i = 0; i < ELEMENTSOF(colors); i++)
 127                 printf("<%s%s%s>\n", colors[i].func(), colors[i].name, ansi_normal());
 128 }
 129
 130 TEST(text) {
 131         for (size_t i = 0; !streq(colors[i].name, "underline"); i++) {
 132                 bool blwh = strstr(colors[i].name, "black")
 133                         || strstr(colors[i].name, "white");
 134
 135                 printf("\n"
 136                        "Testing color %s%s\n%s%s%s\n",
 137                        colors[i].name,
 138                        blwh ? "" : ", this text should be readable",
 139                        colors[i].func(),
 140                        LOREM_IPSUM,
 141                        ansi_normal());
 142         }
 143 }
 144
 145 TEST(get_ctty) {
 146         _cleanup_free_ char *ctty = NULL;
 147         struct stat st;
 148         dev_t devnr;
 149         int r;
 150
 151         r = get_ctty(0, &devnr, &ctty);
 152         if (r < 0) {
 153                 log_notice_errno(r, "Apparently called without a controlling TTY, cutting get_ctty() test short: %m");
 154                 return;
 155         }
 156
 157         /* In almost all cases STDIN will match our controlling TTY. Let's verify that and then compare paths */
 158         assert_se(fstat(STDIN_FILENO, &st) >= 0);
 159         if (S_ISCHR(st.st_mode) && st.st_rdev == devnr) {
 160                 _cleanup_free_ char *stdin_name = NULL;
 161
 162                 assert_se(getttyname_malloc(STDIN_FILENO, &stdin_name) >= 0);
 163                 assert_se(path_equal(stdin_name, ctty));
 164         } else
 165                 log_notice("Not invoked with stdin == ctty, cutting get_ctty() test short");
 166 }
 167
 168 TEST(get_default_background_color) {
 169         double red, green, blue;
 170         int r;
 171
 172         r = get_default_background_color(&red, &green, &blue);
 173         if (r < 0)
 174                 log_notice_errno(r, "Can't get terminal default background color: %m");
 175         else
 176                 log_notice("R=%g G=%g B=%g", red, green, blue);
 177 }
 178
 179 DEFINE_TEST_MAIN(LOG_INFO);