dud.pkgdescription.testhelper source code

1 module dud.pkgdescription.testhelper;
2 
3 import std.json;
4 import std.stdio;
5 import std.format;
6 import dud.pkgdescription;
7 
8 @safe:
9 
10 enum TestFailKind {
11 	fromJsonOrig,
12 	fromSDLOrig,
13 	toJson,
14 	toSDL,
15 	fromJsonCopy,
16 	fromSDLCopy,
17 	validate,
18 	cmp
19 }
20 
21 package void unRollException(Exception e, string f) {
22 	import std.stdio : writefln;
23 
24 	Throwable en = e;
25 	writefln("%s", f);
26 	while(en.next !is null) {
27 		en = en.next;
28 	}
29 	writefln("%s", en.msg);
30 }
31 
32 JSONValue testToJson(PackageDescription pkg, string f,
33 		ref size_t[TestFailKind] failCnt)
34 {
35 	import dud.pkgdescription.output : toJSON;
36 	try {
37 		return toJSON(pkg);
38 	} catch(Exception e) {
39 		unRollException(e, f);
40 		incrementFailCnt(failCnt, TestFailKind.toJson);
41 	}
42 	return JSONValue.init;
43 }
44 
45 void incrementFailCnt(ref size_t[TestFailKind] aa, TestFailKind tfk) pure {
46 	size_t* p = tfk in aa;
47 	if(p !is null) {
48 		(*p)++;
49 	} else {
50 		aa[tfk] = 1;
51 	}
52 }
53 
54 bool fromJsonTest(JSONValue js, ref const(PackageDescription) pkg,
55 		string f, ref size_t[TestFailKind] failCnt) {
56 	try {
57 		PackageDescription nPkg = jsonToPackageDescription(js);
58 		assert(pkg == nPkg,
59 			() @trusted {
60 				return format("%s\nexp:\n%s\ngot:\n%s", f, pkg, nPkg);
61 			}());
62 		return true;
63 	} catch(Exception e) {
64 		unRollException(e, f);
65 		incrementFailCnt(failCnt, TestFailKind.fromJsonCopy);
66 	}
67 	return false;
68 }
69 
70 PackageDescription ddupTest(ref const(PackageDescription) old, string f,
71 		ref size_t[TestFailKind] failCnt)
72 {
73 	import dud.pkgdescription.duplicate : ddup = dup;
74 	import dud.pkgdescription.validation;
75 	import dud.pkgdescription.exception;
76 	PackageDescription copy = ddup(old);
77 	try {
78 		validate(copy);
79 	} catch(ValidationException ve) {
80 		unRollException(ve, f);
81 		incrementFailCnt(failCnt, TestFailKind.validate);
82 	}
83 	return copy;
84 }
85 
86 string testToSDL(PackageDescription pkg, string f,
87 		ref size_t[TestFailKind] failCnt)
88 {
89 	import dud.pkgdescription.output : toSDL;
90 	try {
91 		return toSDL(pkg);
92 	} catch(Exception e) {
93 		unRollException(e, f);
94 		incrementFailCnt(failCnt, TestFailKind.toSDL);
95 	}
96 	return "";
97 }