logJsonError

1 import std.stdio : File, stderr;
2 import vibe.data.json : Json, parseJsonString;
3 
4 auto origStderr = stderr;
5 stderr = File.tmpfile();
6 scope (exit)
7 {
8     stderr.close();
9     stderr = origStderr;
10 }
11 
12 logJsonError("error", "mysterious observation", "secret", 42);
13 
14 stderr.rewind();
15 auto observed = parseJsonString(stderr.readln);
16 
17 assert(observed["thread"].type == Json.Type.int_);
18 assert(observed["timestamp"].type == Json.Type.int_);
19 assert(observed["error"] == "mysterious observation");
20 assert(observed["secret"] == 42);