mirror of https://github.com/zkat/miette.git
104 lines
2.8 KiB
Rust
104 lines
2.8 KiB
Rust
use miette::Diagnostic;
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#[derive(Debug, miette::Diagnostic, thiserror::Error)]
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#[error("A complex error happened")]
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struct SourceError {
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#[source_code]
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code: String,
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#[help]
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help: String,
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#[label("here")]
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label: (usize, usize),
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}
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#[derive(Debug, miette::Diagnostic, thiserror::Error)]
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#[error("AnErr")]
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struct AnErr;
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#[derive(Debug, miette::Diagnostic, thiserror::Error)]
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#[error("TestError")]
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struct TestStructError {
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#[diagnostic_source]
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asdf_inner_foo: AnErr,
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}
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#[derive(Debug, miette::Diagnostic, thiserror::Error)]
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#[error("TestError")]
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enum TestEnumError {
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Without,
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WithTuple(#[diagnostic_source] AnErr),
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WithStruct {
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#[diagnostic_source]
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inner: AnErr,
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},
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}
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#[derive(Debug, miette::Diagnostic, thiserror::Error)]
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#[error("TestError")]
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struct TestTupleError(#[diagnostic_source] AnErr);
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#[derive(Debug, miette::Diagnostic, thiserror::Error)]
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#[error("TestError")]
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struct TestBoxedError(#[diagnostic_source] Box<dyn Diagnostic>);
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#[derive(Debug, miette::Diagnostic, thiserror::Error)]
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#[error("TestError")]
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struct TestArcedError(#[diagnostic_source] std::sync::Arc<dyn Diagnostic>);
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#[test]
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fn test_diagnostic_source() {
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let error = TestStructError {
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asdf_inner_foo: AnErr,
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};
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assert!(error.diagnostic_source().is_some());
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let error = TestEnumError::Without;
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assert!(error.diagnostic_source().is_none());
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let error = TestEnumError::WithTuple(AnErr);
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assert!(error.diagnostic_source().is_some());
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let error = TestEnumError::WithStruct { inner: AnErr };
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assert!(error.diagnostic_source().is_some());
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let error = TestTupleError(AnErr);
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assert!(error.diagnostic_source().is_some());
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let error = TestBoxedError(Box::new(AnErr));
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assert!(error.diagnostic_source().is_some());
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let error = TestArcedError(std::sync::Arc::new(AnErr));
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assert!(error.diagnostic_source().is_some());
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}
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#[test]
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fn test_diagnostic_source_pass_extra_info() {
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let diag = TestBoxedError(Box::new(SourceError {
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code: String::from("Hello\nWorld!"),
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help: format!("Have you tried turning it on and off again?"),
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label: (1, 4),
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}));
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let mut out = String::new();
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miette::GraphicalReportHandler::new_themed(miette::GraphicalTheme::unicode_nocolor())
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.with_width(80)
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.with_footer("this is a footer".into())
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.render_report(&mut out, &diag)
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.unwrap();
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println!("Error: {}", out);
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let expected = r#" × TestError
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╰─▶ × A complex error happened
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╭─[1:1]
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1 │ Hello
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· ──┬─
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· ╰── here
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2 │ World!
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╰────
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help: Have you tried turning it on and off again?
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this is a footer
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"#
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.to_string();
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assert_eq!(expected, out);
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}
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