1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/tracing-subscriber/tests/filter_log.rs b/vendor/tracing-subscriber/tests/filter_log.rs
new file mode 100644
index 000000000..8d57ed600
--- /dev/null
+++ b/vendor/tracing-subscriber/tests/filter_log.rs
@@ -0,0 +1,63 @@
+#![cfg(all(feature = "env-filter", feature = "tracing-log"))]
+
+use tracing::{self, Level};
+use tracing_mock::*;
+use tracing_subscriber::{filter::EnvFilter, prelude::*};
+
+mod my_module {
+    pub(crate) fn test_records() {
+        log::trace!("this should be disabled");
+        log::info!("this shouldn't be");
+        log::debug!("this should be disabled");
+        log::warn!("this should be enabled");
+        log::warn!(target: "something else", "this shouldn't be enabled");
+        log::error!("this should be enabled too");
+    }
+
+    pub(crate) fn test_log_enabled() {
+        assert!(
+            log::log_enabled!(log::Level::Info),
+            "info should be enabled inside `my_module`"
+        );
+        assert!(
+            !log::log_enabled!(log::Level::Debug),
+            "debug should not be enabled inside `my_module`"
+        );
+        assert!(
+            log::log_enabled!(log::Level::Warn),
+            "warn should be enabled inside `my_module`"
+        );
+    }
+}
+
+#[test]
+fn log_is_enabled() {
+    let filter: EnvFilter = "filter_log::my_module=info"
+        .parse()
+        .expect("filter should parse");
+    let (subscriber, finished) = subscriber::mock()
+        .event(event::mock().at_level(Level::INFO))
+        .event(event::mock().at_level(Level::WARN))
+        .event(event::mock().at_level(Level::ERROR))
+        .done()
+        .run_with_handle();
+
+    // Note: we have to set the global default in order to set the `log` max
+    // level, which can only be set once.
+    subscriber.with(filter).init();
+
+    my_module::test_records();
+    log::info!("this is disabled");
+
+    my_module::test_log_enabled();
+    assert!(
+        !log::log_enabled!(log::Level::Info),
+        "info should not be enabled outside `my_module`"
+    );
+    assert!(
+        !log::log_enabled!(log::Level::Warn),
+        "warn should not be enabled outside `my_module`"
+    );
+
+    finished.assert_finished();
+}