Merge #618
618: Don't spam on transaction status change r=da-kami a=thomaseizinger Co-authored-by: Thomas Eizinger <thomas@eizinger.io>pull/621/head
commit
238e52228e
@ -0,0 +1,65 @@
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#![allow(clippy::unwrap_used)] // This is only meant to be used in tests.
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use std::io;
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use std::sync::{Arc, Mutex};
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use tracing::subscriber;
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use tracing_subscriber::filter::LevelFilter;
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use tracing_subscriber::fmt::MakeWriter;
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/// Setup tracing with a capturing writer, allowing assertions on the log
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/// messages.
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///
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/// Time and ANSI are disabled to make the output more predictable and
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/// readable.
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pub fn capture_logs(min_level: LevelFilter) -> MakeCapturingWriter {
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let make_writer = MakeCapturingWriter::default();
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let guard = subscriber::set_default(
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tracing_subscriber::fmt()
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.with_ansi(false)
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.without_time()
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.with_writer(make_writer.clone())
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.with_env_filter(format!("{}", min_level))
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.finish(),
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);
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// don't clean up guard we stay initialized
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std::mem::forget(guard);
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make_writer
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}
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#[derive(Default, Clone)]
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pub struct MakeCapturingWriter {
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writer: CapturingWriter,
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}
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impl MakeCapturingWriter {
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pub fn captured(&self) -> String {
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let captured = &self.writer.captured;
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let cursor = captured.lock().unwrap();
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String::from_utf8(cursor.clone().into_inner()).unwrap()
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}
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}
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impl MakeWriter for MakeCapturingWriter {
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type Writer = CapturingWriter;
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fn make_writer(&self) -> Self::Writer {
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self.writer.clone()
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}
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}
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#[derive(Default, Clone)]
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pub struct CapturingWriter {
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captured: Arc<Mutex<io::Cursor<Vec<u8>>>>,
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}
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impl io::Write for CapturingWriter {
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fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
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self.captured.lock().unwrap().write(buf)
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}
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fn flush(&mut self) -> io::Result<()> {
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Ok(())
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}
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}
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