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     bool stackTraces;
19 }
20 
21 /**
22  * Parses the command-line args and returns Options
23  */
24 auto getOptions(string[] args) {
25     bool single;
26     bool debugOutput;
27     bool help;
28     bool list;
29     bool forceEscCodes;
30     bool random;
31     uint seed = unpredictableSeed;
32     bool stackTraces;
33 
34     getopt(args,
35            "single|s", &single, //single-threaded
36            "debug|d", &debugOutput, //print debug output
37            "esccodes|e", &forceEscCodes,
38            "help|h", &help,
39            "list|l", &list,
40            "random|r", &random,
41            "seed", &seed,
42            "trace|t", &stackTraces,
43         );
44 
45     if(help) {
46         writeln("Usage: <progname> <options> <tests>...\n",
47                 "Options: \n",
48                 "  -h/--help: help\n"
49                 "  -s/--single: single-threaded\n",
50                 "  -l/--list: list tests\n",
51                 "  -d/--debug: enable debug output\n",
52                 "  -e/--esccodes: force ANSI escape codes even for !isatty\n",
53                 "  -r/--random: run tests in random order\n",
54                 "  --seed: set the seed for the random order\n",
55                 "  -t/--trace: enable stack traces\n",
56             );
57     }
58 
59     if(debugOutput) {
60         if(!single) {
61             writeln("-d implies -s, running in a single thread\n");
62         }
63         single = true;
64     }
65 
66     if(random) {
67         if(!single) writeln("-r implies -s, running in a single thread\n");
68         single = true;
69     }
70 
71     immutable exit =  help || list;
72     return Options(!single, args[1..$], debugOutput, list, exit, forceEscCodes,
73                    random, seed, stackTraces);
74 }