Struct VisualRegressionTester 

pub struct VisualRegressionTester { /* private fields */ }

Visual regression tester

Implementations

impl VisualRegressionTester

pub const fn new(config: VisualRegressionConfig) -> Self

Create a new tester with configuration

pub fn compare_images( &self, actual: &[u8], expected: &[u8], ) -> ProbarResult<ImageDiffResult>

Compare two images from byte arrays (PNG format)

Errors

Returns error if images cannot be decoded

pub fn compare_dynamic_images( &self, actual: &DynamicImage, expected: &DynamicImage, ) -> ProbarResult<ImageDiffResult>

Compare two DynamicImage instances

Errors

Returns error if images have different dimensions

pub fn compare_against_baseline( &self, name: &str, screenshot: &[u8], ) -> ProbarResult<ImageDiffResult>

Compare screenshot against baseline file

Errors

Returns error if baseline doesn’t exist or comparison fails

pub const fn config(&self) -> &VisualRegressionConfig

Get configuration

Trait Implementations

impl Clone for VisualRegressionTester

fn clone(&self) -> VisualRegressionTester

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VisualRegressionTester

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

Formats the value using the given formatter.

impl Default for VisualRegressionTester

fn default() -> Self

Returns the “default value” for a type.