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This lets you start up the test app from within the test itself, which can be very useful when you have a specific test scenario set up that you need to debug. ### Related * Previous attempt: https://github.com/emilk/egui/pull/5418 ### macOS On macOS, you may only run UIs on the main loop, so you need a few additional steps. Not ideal, but works! ```diff diff --git a/crates/egui_demo_app/Cargo.toml b/crates/egui_demo_app/Cargo.toml index f9a153268..4e0cc14ee 100644 --- a/crates/egui_demo_app/Cargo.toml +++ b/crates/egui_demo_app/Cargo.toml @@ -84,3 +84,7 @@ web-sys.workspace = true [dev-dependencies] egui_kittest = { workspace = true, features = ["eframe", "snapshot", "wgpu"] } + +[[test]] +name = "test_demo_app" +harness = false diff --git a/crates/egui_demo_app/tests/test_demo_app.rs b/crates/egui_demo_app/tests/test_demo_app.rs index e083c8455..7ad9ed516 100644 --- a/crates/egui_demo_app/tests/test_demo_app.rs +++ b/crates/egui_demo_app/tests/test_demo_app.rs @@ -4,7 +4,10 @@ use egui_demo_app::{Anchor, WrapApp}; use egui_kittest::SnapshotResults; use egui_kittest::kittest::Queryable as _; -#[test] +fn main() { + test_demo_app(); +} + fn test_demo_app() { let mut harness = egui_kittest::Harness::builder() .with_size(Vec2::new(900.0, 600.0)) @@ -73,5 +76,8 @@ fn test_demo_app() { harness.run_steps(4); results.add(harness.try_snapshot(anchor.to_string())); + + harness.spawn_eframe_app(); + break; } } ```