🎉 Release BitLogger v0.1.0 core

bitlogger/BitLogger_test.mbt

@@ -0,0 +1,31 @@
+test "level filter works" {
+  let logger = Logger::new(console_sink(), min_level=Level::Warn, target="test")
+  inspect(logger.is_enabled(Level::Error), content="true")
+  inspect(logger.is_enabled(Level::Info), content="false")
+}
+
+test "context sink merges fields" {
+  let logger = Logger::new(console_sink(), min_level=Level::Info, target="ctx")
+    .with_context_fields([field("service", "bitlogger")])
+  let merged = [field("service", "bitlogger"), field("mode", "test")]
+  inspect(merged.length(), content="2")
+  inspect(merged[0].key, content="service")
+  inspect(merged[1].key, content="mode")
+  logger.info("hello", fields=[field("mode", "test")])
+}
+
+test "fanout sink can write to plain and json outputs" {
+  let logger = Logger::new(
+    fanout_sink(console_sink(), json_console_sink()),
+    min_level=Level::Info,
+    target="fanout",
+  )
+  inspect(logger.is_enabled(Level::Info), content="true")
+  logger.info("hello", fields=[field("kind", "dual")])
+}
+
+test "child logger composes target path" {
+  let logger = Logger::new(console_sink(), min_level=Level::Info, target="app")
+    .child("worker")
+  inspect(logger.target, content="app.worker")
+}