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start to make test runner aware of logging

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by default the test runner will only print logs with "warning" or
higher. this can be configured via the std.testing API.

See #5738 for future plans
This commit is contained in:
Andrew Kelley 2020-07-08 21:01:13 -07:00
parent 7bd0500589
commit bf56cdd9ed
2 changed files with 15 additions and 0 deletions
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12
lib/std/special/test_runner.zig
View File

@ -21,6 +21,7 @@ pub fn main() anyerror!void {
for (test_fn_list) |test_fn, i| {
std.testing.base_allocator_instance.reset();
std.testing.log_level = .warn;
var test_node = root_node.start(test_fn.name, null);
test_node.activate();
@ -73,3 +74,14 @@ pub fn main() anyerror!void {
std.debug.warn("{} passed; {} skipped.\n", .{ ok_count, skip_count });
}
}
pub fn log(
comptime message_level: std.log.Level,
comptime scope: @Type(.EnumLiteral),
comptime format: []const u8,
args: var,
) void {
if (@enumToInt(message_level) <= @enumToInt(std.testing.log_level)) {
std.debug.print("[{}] ({}): " ++ format, .{@tagName(scope), @tagName(message_level)} ++ args);
}
}

3
lib/std/testing.zig
View File

@ -14,6 +14,9 @@ pub var failing_allocator_instance = FailingAllocator.init(&base_allocator_insta
pub var base_allocator_instance = std.mem.validationWrap(std.heap.ThreadSafeFixedBufferAllocator.init(allocator_mem[0..]));
var allocator_mem: [2 * 1024 * 1024]u8 = undefined;
/// TODO https://github.com/ziglang/zig/issues/5738
pub var log_level = std.log.Level.warn;
/// This function is intended to be used only in tests. It prints diagnostics to stderr
/// and then aborts when actual_error_union is not expected_error.
pub fn expectError(expected_error: anyerror, actual_error_union: var) void {