unit_threaded.options source code

1 module unit_threaded.options;
2 
3 
4 struct Options {
5     bool multiThreaded;
6     string[] testsToRun;
7     bool debugOutput;
8     bool list;
9     bool exit;
10     bool forceEscCodes;
11     bool random;
12     uint seed;
13     bool stackTraces;
14     bool showChrono;
15 }
16 
17 /**
18  * Parses the command-line args and returns Options
19  */
20 auto getOptions(string[] args) {
21 
22     import std.stdio: writeln;
23     import std.random: unpredictableSeed;
24     import std.getopt: getopt;
25 
26     bool single;
27     bool debugOutput;
28     bool help;
29     bool list;
30     bool forceEscCodes;
31     bool random;
32     uint seed = unpredictableSeed;
33     bool stackTraces;
34     bool showChrono;
35 
36     getopt(args,
37            "single|s", &single, //single-threaded
38            "debug|d", &debugOutput, //print debug output
39            "esccodes|e", &forceEscCodes,
40            "help|h", &help,
41            "list|l", &list,
42            "random|r", &random,
43            "seed", &seed,
44            "trace|t", &stackTraces,
45            "chrono|c", &showChrono,
46         );
47 
48     if(help) {
49         import unit_threaded.io;
50         WriterThread.get.writeln("Usage: <progname> <options> <tests>...\n",
51                   "Options: \n",
52                   "  -h/--help: help\n",
53                   "  -s/--single: single-threaded\n",
54                   "  -l/--list: list tests\n",
55                   "  -d/--debug: enable debug output\n",
56                   "  -e/--esccodes: force ANSI escape codes even for !isatty\n",
57                   "  -r/--random: run tests in random order\n",
58                   "  --seed: set the seed for the random order\n",
59                   "  -t/--trace: enable stack traces\n",
60                   "  -c/--chrono: print execution time per test",
61             );
62     }
63 
64     if(random) {
65         if(!single) writeln("-r implies -s, running in a single thread\n");
66         single = true;
67     }
68 
69     version(unitUnthreaded)
70         single = true;
71 
72     immutable exit =  help || list;
73     return Options(!single, args[1..$], debugOutput, list, exit, forceEscCodes,
74                    random, seed, stackTraces, showChrono);
75 }