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✅ cover library logger write facade

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Nanaloveyuki
2026-06-14 03:06:14 +08:00
parent 264ee05222
commit e3b9cbb6e9
1 changed files with 74 additions and 0 deletions
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src/BitLogger_test.mbt
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@@ -1266,6 +1266,80 @@ test "library logger child composes target through facade" {
inspect(keep_parent.to_logger().target, content="sdk")
}
test "library logger log supports per-call target override" {
let captured_target : Ref[String] = Ref("")
let captured_message : Ref[String] = Ref("")
let captured_fields : Ref[Array[Field]] = Ref([])
let logger = LibraryLogger::new(
callback_sink(fn(rec) {
captured_target.val = rec.target
captured_message.val = rec.message
captured_fields.val = rec.fields
}),
min_level=Level::Warn,
target="lib.default",
)
.with_context_fields([field("service", "bitlogger")])
logger.log(
Level::Error,
"override",
fields=[field("mode", "test")],
target="lib.override",
)
inspect(captured_target.val, content="lib.override")
inspect(captured_message.val, content="override")
inspect(captured_fields.val.length(), content="2")
inspect(captured_fields.val[0].key, content="service")
inspect(captured_fields.val[0].value, content="bitlogger")
inspect(captured_fields.val[1].key, content="mode")
inspect(captured_fields.val[1].value, content="test")
logger.log(Level::Error, "default")
inspect(captured_target.val, content="lib.default")
inspect(captured_message.val, content="default")
inspect(captured_fields.val.length(), content="1")
inspect(captured_fields.val[0].key, content="service")
}
test "library logger severity helpers use stored target without override" {
let captured_levels : Ref[Array[String]] = Ref([])
let captured_targets : Ref[Array[String]] = Ref([])
let captured_fields : Ref[Array[Array[Field]]] = Ref([])
let logger = LibraryLogger::new(
callback_sink(fn(rec) {
captured_levels.val.push(rec.level.label())
captured_targets.val.push(rec.target)
captured_fields.val.push(rec.fields)
}),
min_level=Level::Info,
target="lib.helpers",
)
.bind([field("service", "bitlogger")])
logger.info("info", fields=[field("mode", "info")])
logger.warn("warn", fields=[field("mode", "warn")])
logger.error("error", fields=[field("mode", "error")])
inspect(captured_levels.val.length(), content="3")
inspect(captured_levels.val[0], content="INFO")
inspect(captured_levels.val[1], content="WARN")
inspect(captured_levels.val[2], content="ERROR")
inspect(captured_targets.val.length(), content="3")
inspect(captured_targets.val[0], content="lib.helpers")
inspect(captured_targets.val[1], content="lib.helpers")
inspect(captured_targets.val[2], content="lib.helpers")
inspect(captured_fields.val[0].length(), content="2")
inspect(captured_fields.val[1].length(), content="2")
inspect(captured_fields.val[2].length(), content="2")
inspect(captured_fields.val[0][0].key, content="service")
inspect(captured_fields.val[0][1].value, content="info")
inspect(captured_fields.val[1][0].key, content="service")
inspect(captured_fields.val[1][1].value, content="warn")
inspect(captured_fields.val[2][0].key, content="service")
inspect(captured_fields.val[2][1].value, content="error")
}
test "library logger can unwrap to full logger when needed" {
let base = LibraryLogger::new(console_sink(), min_level=Level::Warn, target="lib")
let full = base.to_logger().with_timestamp()