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https://github.com/gfx-rs/wgpu.git
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15d64c362e
* Make `wgpu_test::valid` print errors it detects. When a block passed to `wgpu_test::valid` actually raises validation errors, include the full error in the panic message. --------- Co-authored-by: Erich Gubler <erichdongubler@gmail.com>
101 lines
3.0 KiB
Rust
101 lines
3.0 KiB
Rust
//! Test utilities for the wgpu repository.
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#![allow(clippy::arc_with_non_send_sync)] // False positive on wasm
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mod config;
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mod expectations;
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pub mod image;
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mod init;
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mod isolation;
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pub mod native;
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mod params;
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mod poll;
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mod report;
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mod run;
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#[cfg(target_arch = "wasm32")]
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pub use init::initialize_html_canvas;
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pub use self::image::ComparisonType;
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pub use config::GpuTestConfiguration;
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#[doc(hidden)]
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pub use ctor::ctor;
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pub use expectations::{FailureApplicationReasons, FailureBehavior, FailureCase, FailureReason};
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pub use init::{initialize_adapter, initialize_device, initialize_instance};
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pub use params::TestParameters;
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pub use run::{execute_test, TestingContext};
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pub use wgpu_macros::gpu_test;
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/// Run some code in an error scope and assert that validation fails.
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pub fn fail<T>(
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device: &wgpu::Device,
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callback: impl FnOnce() -> T,
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expected_msg_substring: Option<&'static str>,
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) -> T {
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device.push_error_scope(wgpu::ErrorFilter::Validation);
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let result = callback();
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let validation_error = pollster::block_on(device.pop_error_scope())
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.expect("expected validation error in callback, but no validation error was emitted");
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if let Some(expected_msg_substring) = expected_msg_substring {
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let lowered_expected = expected_msg_substring.to_lowercase();
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let lowered_actual = validation_error.to_string().to_lowercase();
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assert!(
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lowered_actual.contains(&lowered_expected),
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concat!(
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"expected validation error case-insensitively containing {:?}, ",
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"but it was not present in actual error message:\n{:?}"
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),
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expected_msg_substring,
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validation_error
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);
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}
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result
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}
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/// Run some code in an error scope and assert that validation succeeds.
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#[track_caller]
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pub fn valid<T>(device: &wgpu::Device, callback: impl FnOnce() -> T) -> T {
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device.push_error_scope(wgpu::ErrorFilter::Validation);
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let result = callback();
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if let Some(error) = pollster::block_on(device.pop_error_scope()) {
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panic!(
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"`valid` block at {} encountered wgpu error:\n{error}",
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std::panic::Location::caller()
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);
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}
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result
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}
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/// Run some code in an error scope and assert that validation succeeds or fails depending on the
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/// provided `should_fail` boolean.
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pub fn fail_if<T>(
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device: &wgpu::Device,
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should_fail: bool,
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callback: impl FnOnce() -> T,
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expected_msg_substring: Option<&'static str>,
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) -> T {
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if should_fail {
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fail(device, callback, expected_msg_substring)
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} else {
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valid(device, callback)
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}
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}
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/// Adds the necissary main function for our gpu test harness.
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#[macro_export]
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macro_rules! gpu_test_main {
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() => {
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#[cfg(target_arch = "wasm32")]
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wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
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#[cfg(target_arch = "wasm32")]
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fn main() {}
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#[cfg(not(target_arch = "wasm32"))]
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fn main() -> $crate::native::MainResult {
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$crate::native::main()
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}
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};
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}
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