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egui_kittest: more ergonomic functions taking Impl Into<String> (#7307)

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This commit is contained in:
Emil Ernerfeldt
2025-07-07 13:50:53 +02:00
committed by GitHub
parent b11b77e85f
commit 09596a5e7b
7 changed files with 34 additions and 22 deletions
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2
crates/egui_demo_app/tests/test_demo_app.rs
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@@ -69,6 +69,6 @@ fn test_demo_app() {
// Can't use Harness::run because fractal clock keeps requesting repaints
harness.run_steps(4);
results.add(harness.try_snapshot(&anchor.to_string()));
results.add(harness.try_snapshot(anchor.to_string()));
}
}

2
crates/egui_demo_lib/src/demo/demo_app_windows.rs
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@@ -416,7 +416,7 @@ mod tests {
options = options.threshold(OsThreshold::new(0.0).linux(2.1));
}
results.add(harness.try_snapshot_options(&format!("demos/{name}"), &options));
results.add(harness.try_snapshot_options(format!("demos/{name}"), &options));
}
}

2
crates/egui_demo_lib/src/demo/tests/tessellation_test.rs
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@@ -374,7 +374,7 @@ mod tests {
harness.fit_contents();
harness.run();
harness.snapshot(&format!("tessellation_test/{name}"));
harness.snapshot(format!("tessellation_test/{name}"));
}
}
}

2
crates/egui_demo_lib/src/rendering_test.rs
View File

@@ -745,7 +745,7 @@ mod tests {
harness.fit_contents();
results.add(harness.try_snapshot(&format!("rendering_test/dpi_{dpi:.2}")));
results.add(harness.try_snapshot(format!("rendering_test/dpi_{dpi:.2}")));
}
}
}

42
crates/egui_kittest/src/snapshot.rs
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@@ -310,7 +310,15 @@ fn should_update_snapshots() -> bool {
/// reading or writing the snapshot.
pub fn try_image_snapshot_options(
new: &image::RgbaImage,
name: &str,
name: impl Into<String>,
options: &SnapshotOptions,
) -> SnapshotResult {
try_image_snapshot_options_impl(new, name.into(), options)
}
fn try_image_snapshot_options_impl(
new: &image::RgbaImage,
name: String,
options: &SnapshotOptions,
) -> SnapshotResult {
let SnapshotOptions {
@@ -319,7 +327,7 @@ pub fn try_image_snapshot_options(
failed_pixel_count_threshold,
} = options;
let parent_path = if let Some(parent) = PathBuf::from(name).parent() {
let parent_path = if let Some(parent) = PathBuf::from(&name).parent() {
output_path.join(parent)
} else {
output_path.clone()
@@ -385,7 +393,7 @@ pub fn try_image_snapshot_options(
return update_snapshot();
} else {
return Err(SnapshotError::SizeMismatch {
name: name.to_owned(),
name,
expected: previous.dimensions(),
actual: new.dimensions(),
});
@@ -412,7 +420,7 @@ pub fn try_image_snapshot_options(
}
Err(SnapshotError::Diff {
name: name.to_owned(),
name,
diff: num_wrong_pixels,
diff_path,
})
@@ -435,7 +443,7 @@ pub fn try_image_snapshot_options(
/// # Errors
/// Returns a [`SnapshotError`] if the image does not match the snapshot or if there was an error
/// reading or writing the snapshot.
pub fn try_image_snapshot(current: &image::RgbaImage, name: &str) -> SnapshotResult {
pub fn try_image_snapshot(current: &image::RgbaImage, name: impl Into<String>) -> SnapshotResult {
try_image_snapshot_options(current, name, &SnapshotOptions::default())
}
@@ -456,7 +464,11 @@ pub fn try_image_snapshot(current: &image::RgbaImage, name: &str) -> SnapshotRes
/// Panics if the image does not match the snapshot or if there was an error reading or writing the
/// snapshot.
#[track_caller]
pub fn image_snapshot_options(current: &image::RgbaImage, name: &str, options: &SnapshotOptions) {
pub fn image_snapshot_options(
current: &image::RgbaImage,
name: impl Into<String>,
options: &SnapshotOptions,
) {
match try_image_snapshot_options(current, name, options) {
Ok(_) => {}
Err(err) => {
@@ -475,7 +487,7 @@ pub fn image_snapshot_options(current: &image::RgbaImage, name: &str, options: &
/// Panics if the image does not match the snapshot or if there was an error reading or writing the
/// snapshot.
#[track_caller]
pub fn image_snapshot(current: &image::RgbaImage, name: &str) {
pub fn image_snapshot(current: &image::RgbaImage, name: impl Into<String>) {
match try_image_snapshot(current, name) {
Ok(_) => {}
Err(err) => {
@@ -506,13 +518,13 @@ impl<State> Harness<'_, State> {
/// error reading or writing the snapshot, if the rendering fails or if no default renderer is available.
pub fn try_snapshot_options(
&mut self,
name: &str,
name: impl Into<String>,
options: &SnapshotOptions,
) -> SnapshotResult {
let image = self
.render()
.map_err(|err| SnapshotError::RenderError { err })?;
try_image_snapshot_options(&image, name, options)
try_image_snapshot_options(&image, name.into(), options)
}
/// Render an image using the setup [`crate::TestRenderer`] and compare it to the snapshot.
@@ -523,7 +535,7 @@ impl<State> Harness<'_, State> {
/// # Errors
/// Returns a [`SnapshotError`] if the image does not match the snapshot, if there was an
/// error reading or writing the snapshot, if the rendering fails or if no default renderer is available.
pub fn try_snapshot(&mut self, name: &str) -> SnapshotResult {
pub fn try_snapshot(&mut self, name: impl Into<String>) -> SnapshotResult {
let image = self
.render()
.map_err(|err| SnapshotError::RenderError { err })?;
@@ -549,7 +561,7 @@ impl<State> Harness<'_, State> {
/// Panics if the image does not match the snapshot, if there was an error reading or writing the
/// snapshot, if the rendering fails or if no default renderer is available.
#[track_caller]
pub fn snapshot_options(&mut self, name: &str, options: &SnapshotOptions) {
pub fn snapshot_options(&mut self, name: impl Into<String>, options: &SnapshotOptions) {
match self.try_snapshot_options(name, options) {
Ok(_) => {}
Err(err) => {
@@ -567,7 +579,7 @@ impl<State> Harness<'_, State> {
/// Panics if the image does not match the snapshot, if there was an error reading or writing the
/// snapshot, if the rendering fails or if no default renderer is available.
#[track_caller]
pub fn snapshot(&mut self, name: &str) {
pub fn snapshot(&mut self, name: impl Into<String>) {
match self.try_snapshot(name) {
Ok(_) => {}
Err(err) => {
@@ -588,7 +600,7 @@ impl<State> Harness<'_, State> {
)]
pub fn try_wgpu_snapshot_options(
&mut self,
name: &str,
name: impl Into<String>,
options: &SnapshotOptions,
) -> SnapshotResult {
self.try_snapshot_options(name, options)
@@ -598,7 +610,7 @@ impl<State> Harness<'_, State> {
since = "0.31.0",
note = "Use `try_snapshot` instead. This function will be removed in 0.32"
)]
pub fn try_wgpu_snapshot(&mut self, name: &str) -> SnapshotResult {
pub fn try_wgpu_snapshot(&mut self, name: impl Into<String>) -> SnapshotResult {
self.try_snapshot(name)
}
@@ -606,7 +618,7 @@ impl<State> Harness<'_, State> {
since = "0.31.0",
note = "Use `snapshot_options` instead. This function will be removed in 0.32"
)]
pub fn wgpu_snapshot_options(&mut self, name: &str, options: &SnapshotOptions) {
pub fn wgpu_snapshot_options(&mut self, name: impl Into<String>, options: &SnapshotOptions) {
self.snapshot_options(name, options);
}

2
tests/egui_tests/tests/test_sides.rs
View File

@@ -71,6 +71,6 @@ fn test_variants(
harness.fit_contents();
}
results.add(harness.try_snapshot(&format!("sides/{name}_{variant_name}")));
results.add(harness.try_snapshot(format!("sides/{name}_{variant_name}")));
}
}

4
tests/egui_tests/tests/test_widgets.rs
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@@ -244,7 +244,7 @@ fn test_widget_layout(name: &str, mut w: impl FnMut(&mut Ui) -> Response) -> Sna
});
harness.fit_contents();
harness.try_snapshot(&format!("layout/{name}"))
harness.try_snapshot(format!("layout/{name}"))
}
/// Utility to create a snapshot test of the different states of a egui widget.
@@ -370,7 +370,7 @@ impl<'a> VisualTests<'a> {
harness.fit_contents();
harness.try_snapshot(&format!("visuals/{}", self.name))
harness.try_snapshot(format!("visuals/{}", self.name))
}
}