1 files changed, 142 insertions, 0 deletions
diff --git a/third_party/rust/tracing-attributes/tests/levels.rs b/third_party/rust/tracing-attributes/tests/levels.rs
new file mode 100644
index 0000000000..94fc7e85a2
--- /dev/null
+++ b/third_party/rust/tracing-attributes/tests/levels.rs
@@ -0,0 +1,142 @@
+use tracing::subscriber::with_default;
+use tracing::Level;
+use tracing_attributes::instrument;
+use tracing_mock::*;
+
+#[test]
+fn named_levels() {
+    #[instrument(level = "trace")]
+    fn trace() {}
+
+    #[instrument(level = "Debug")]
+    fn debug() {}
+
+    #[instrument(level = "INFO")]
+    fn info() {}
+
+    #[instrument(level = "WARn")]
+    fn warn() {}
+
+    #[instrument(level = "eRrOr")]
+    fn error() {}
+    let (subscriber, handle) = subscriber::mock()
+        .new_span(span::mock().named("trace").at_level(Level::TRACE))
+        .enter(span::mock().named("trace").at_level(Level::TRACE))
+        .exit(span::mock().named("trace").at_level(Level::TRACE))
+        .new_span(span::mock().named("debug").at_level(Level::DEBUG))
+        .enter(span::mock().named("debug").at_level(Level::DEBUG))
+        .exit(span::mock().named("debug").at_level(Level::DEBUG))
+        .new_span(span::mock().named("info").at_level(Level::INFO))
+        .enter(span::mock().named("info").at_level(Level::INFO))
+        .exit(span::mock().named("info").at_level(Level::INFO))
+        .new_span(span::mock().named("warn").at_level(Level::WARN))
+        .enter(span::mock().named("warn").at_level(Level::WARN))
+        .exit(span::mock().named("warn").at_level(Level::WARN))
+        .new_span(span::mock().named("error").at_level(Level::ERROR))
+        .enter(span::mock().named("error").at_level(Level::ERROR))
+        .exit(span::mock().named("error").at_level(Level::ERROR))
+        .done()
+        .run_with_handle();
+
+    with_default(subscriber, || {
+        trace();
+        debug();
+        info();
+        warn();
+        error();
+    });
+
+    handle.assert_finished();
+}
+
+#[test]
+fn numeric_levels() {
+    #[instrument(level = 1)]
+    fn trace() {}
+
+    #[instrument(level = 2)]
+    fn debug() {}
+
+    #[instrument(level = 3)]
+    fn info() {}
+
+    #[instrument(level = 4)]
+    fn warn() {}
+
+    #[instrument(level = 5)]
+    fn error() {}
+    let (subscriber, handle) = subscriber::mock()
+        .new_span(span::mock().named("trace").at_level(Level::TRACE))
+        .enter(span::mock().named("trace").at_level(Level::TRACE))
+        .exit(span::mock().named("trace").at_level(Level::TRACE))
+        .new_span(span::mock().named("debug").at_level(Level::DEBUG))
+        .enter(span::mock().named("debug").at_level(Level::DEBUG))
+        .exit(span::mock().named("debug").at_level(Level::DEBUG))
+        .new_span(span::mock().named("info").at_level(Level::INFO))
+        .enter(span::mock().named("info").at_level(Level::INFO))
+        .exit(span::mock().named("info").at_level(Level::INFO))
+        .new_span(span::mock().named("warn").at_level(Level::WARN))
+        .enter(span::mock().named("warn").at_level(Level::WARN))
+        .exit(span::mock().named("warn").at_level(Level::WARN))
+        .new_span(span::mock().named("error").at_level(Level::ERROR))
+        .enter(span::mock().named("error").at_level(Level::ERROR))
+        .exit(span::mock().named("error").at_level(Level::ERROR))
+        .done()
+        .run_with_handle();
+
+    with_default(subscriber, || {
+        trace();
+        debug();
+        info();
+        warn();
+        error();
+    });
+
+    handle.assert_finished();
+}
+
+#[test]
+fn enum_levels() {
+    #[instrument(level = Level::TRACE)]
+    fn trace() {}
+
+    #[instrument(level = Level::DEBUG)]
+    fn debug() {}
+
+    #[instrument(level = tracing::Level::INFO)]
+    fn info() {}
+
+    #[instrument(level = Level::WARN)]
+    fn warn() {}
+
+    #[instrument(level = Level::ERROR)]
+    fn error() {}
+    let (subscriber, handle) = subscriber::mock()
+        .new_span(span::mock().named("trace").at_level(Level::TRACE))
+        .enter(span::mock().named("trace").at_level(Level::TRACE))
+        .exit(span::mock().named("trace").at_level(Level::TRACE))
+        .new_span(span::mock().named("debug").at_level(Level::DEBUG))
+        .enter(span::mock().named("debug").at_level(Level::DEBUG))
+        .exit(span::mock().named("debug").at_level(Level::DEBUG))
+        .new_span(span::mock().named("info").at_level(Level::INFO))
+        .enter(span::mock().named("info").at_level(Level::INFO))
+        .exit(span::mock().named("info").at_level(Level::INFO))
+        .new_span(span::mock().named("warn").at_level(Level::WARN))
+        .enter(span::mock().named("warn").at_level(Level::WARN))
+        .exit(span::mock().named("warn").at_level(Level::WARN))
+        .new_span(span::mock().named("error").at_level(Level::ERROR))
+        .enter(span::mock().named("error").at_level(Level::ERROR))
+        .exit(span::mock().named("error").at_level(Level::ERROR))
+        .done()
+        .run_with_handle();
+
+    with_default(subscriber, || {
+        trace();
+        debug();
+        info();
+        warn();
+        error();
+    });
+
+    handle.assert_finished();
+}