vendor/ui_test/src/error.rs

   1 use crate::{parser::Pattern, rustc_stderr::Message, Mode};
   2 use std::{path::PathBuf, process::ExitStatus};
   3
   4 /// All the ways in which a test can fail.
   5 #[derive(Debug)]
   6 pub enum Error {
   7     /// Got an invalid exit status for the given mode.
   8     ExitStatus {
   9         /// The expected mode.
  10         mode: Mode,
  11         /// The exit status of the command.
  12         status: ExitStatus,
  13         /// The expected exit status as set in the file or derived from the mode.
  14         expected: i32,
  15     },
  16     /// A pattern was declared but had no matching error.
  17     PatternNotFound {
  18         /// The pattern that was missing an error
  19         pattern: Pattern,
  20         /// The line in which the pattern was defined.
  21         definition_line: usize,
  22     },
  23     /// A ui test checking for failure does not have any failure patterns
  24     NoPatternsFound,
  25     /// A ui test checking for success has failure patterns
  26     PatternFoundInPassTest,
  27     /// Stderr/Stdout differed from the `.stderr`/`.stdout` file present.
  28     OutputDiffers {
  29         /// The file containing the expected output that differs from the actual output.
  30         path: PathBuf,
  31         /// The output from the command.
  32         actual: Vec<u8>,
  33         /// The contents of the file.
  34         expected: Vec<u8>,
  35         /// A command, that when run, causes the output to get blessed instead of erroring.
  36         bless_command: String,
  37     },
  38     /// There were errors that don't have a pattern.
  39     ErrorsWithoutPattern {
  40         /// The main message of the error.
  41         msgs: Vec<Message>,
  42         /// File and line information of the error.
  43         path: Option<(PathBuf, usize)>,
  44     },
  45     /// A comment failed to parse.
  46     InvalidComment {
  47         /// The comment
  48         msg: String,
  49         /// THe line in which it was defined.
  50         line: usize,
  51     },
  52     /// A subcommand (e.g. rustfix) of a test failed.
  53     Command {
  54         /// The name of the subcommand (e.g. "rustfix").
  55         kind: String,
  56         /// The exit status of the command.
  57         status: ExitStatus,
  58     },
  59     /// This catches crashes of ui tests and reports them along the failed test.
  60     Bug(String),
  61     /// An auxiliary build failed with its own set of errors.
  62     Aux {
  63         /// Path to the aux file.
  64         path: PathBuf,
  65         /// The errors that occurred during the build of the aux file.
  66         errors: Vec<Error>,
  67         /// The line in which the aux file was requested to be built.
  68         line: usize,
  69     },
  70 }
  71
  72 pub(crate) type Errors = Vec<Error>;