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use crate::{
parser::{Pattern, Spanned},
rustc_stderr::{Message, Span},
Mode,
};
use std::{num::NonZeroUsize, path::PathBuf, process::ExitStatus};
/// All the ways in which a test can fail.
#[derive(Debug)]
#[must_use]
pub enum Error {
/// Got an invalid exit status for the given mode.
ExitStatus {
/// The expected mode.
mode: Mode,
/// The exit status of the command.
status: ExitStatus,
/// The expected exit status as set in the file or derived from the mode.
expected: i32,
},
/// A pattern was declared but had no matching error.
PatternNotFound(Spanned<Pattern>),
/// A ui test checking for failure does not have any failure patterns
NoPatternsFound,
/// A ui test checking for success has failure patterns
PatternFoundInPassTest,
/// Stderr/Stdout differed from the `.stderr`/`.stdout` file present.
OutputDiffers {
/// The file containing the expected output that differs from the actual output.
path: PathBuf,
/// The output from the command.
actual: Vec<u8>,
/// The contents of the file.
expected: Vec<u8>,
/// A command, that when run, causes the output to get blessed instead of erroring.
bless_command: String,
},
/// There were errors that don't have a pattern.
ErrorsWithoutPattern {
/// The main message of the error.
msgs: Vec<Message>,
/// File and line information of the error.
path: Option<Spanned<PathBuf>>,
},
/// A comment failed to parse.
InvalidComment {
/// The comment
msg: String,
/// The character range in which it was defined.
span: Span,
},
/// Conflicting comments
MultipleRevisionsWithResults {
/// The comment being looked for
kind: String,
/// The lines where conflicts happened
lines: Vec<NonZeroUsize>,
},
/// A subcommand (e.g. rustfix) of a test failed.
Command {
/// The name of the subcommand (e.g. "rustfix").
kind: String,
/// The exit status of the command.
status: ExitStatus,
},
/// This catches crashes of ui tests and reports them along the failed test.
Bug(String),
/// An auxiliary build failed with its own set of errors.
Aux {
/// Path to the aux file.
path: PathBuf,
/// The errors that occurred during the build of the aux file.
errors: Vec<Error>,
/// The line in which the aux file was requested to be built.
line: NonZeroUsize,
},
/// An error occured applying [`rustfix`] suggestions
Rustfix(anyhow::Error),
}
pub(crate) type Errors = Vec<Error>;
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