unit_threaded.options source code

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