Struct TestReport 

#[non_exhaustive]
pub struct TestReport<'t, FmtError: 't> {
    pub outcomes: TestOutcomes<'t>,
    pub duration: Duration,
    pub fmt_errors: Vec<(FormatError, FmtError)>,
}

The report produced by running a TestHarness.

TestReport is returned by TestHarness::run. It contains all outcomes of the test run, the total time spent executing the harness, and any errors reported by the formatter.

The recorded duration only covers the time spent inside the harness itself. Any work done before calling run (for example test discovery or data loading) is not included and must be tracked separately if needed.

Formatter errors are collected instead of aborting the run early. This allows test execution to complete even if formatting fails partway through.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

outcomes: TestOutcomes<'t>

Outcomes of all executed tests.

duration: Duration

Total duration of the test run.

fmt_errors: Vec<(FormatError, FmtError)>

Errors reported by the formatter.

Each entry contains the formatting stage and the formatter specific error.

Implementations

impl<'t, FmtError: 't> TestReport<'t, FmtError>

pub fn exit_code(&self) -> ExitCode

Compute the process exit code for this test report.

The exit code is determined as follows:

• If any test failed, the exit code is ExitCode::FAILURE
• Otherwise, if any formatter errors occurred, the exit code is ExitCode::FAILURE
• Otherwise, the exit code is ExitCode::SUCCESS

This mirrors the behavior of the built in Rust test harness, where formatting errors are treated as fatal.

Trait Implementations

impl<'t, FmtError: Debug + 't> Debug for TestReport<'t, FmtError>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'t, FmtError: 't> Termination for TestReport<'t, FmtError>

fn report(self) -> ExitCode

Is called to get the representation of the value as status code. This status code is returned to the operating system.