Struct Snapshots 

pub struct Snapshots {
    pub dir: PathBuf,
    pub tolerance: Option<Tolerance>,
    pub update: bool,
}

Where baselines live and how they are checked.

Fields

dir: PathBuf

The baseline folder.

tolerance: Option<Tolerance>

None: the baseline’s recorded tolerance, or exact.

update: bool

Write baselines instead of comparing.

Implementations

impl Snapshots

pub fn from_env() -> Snapshots

tests/snapshots (or ASHLAR_SNAPSHOT_DIR), updating when ASHLAR_UPDATE_SNAPSHOTS is 1, true or yes.

pub fn in_dir(dir: impl Into<PathBuf>) -> Snapshots

Baselines in dir, compared exactly.

pub fn check(&self, name: &str, reply: &Value) -> Result<Outcome, String>

Check (or with update, record) the screenshot in reply as name.

reply is a ui.screenshot reply: {png, renderer?, adapter?, backend?, scale?}.

Trait Implementations

impl Clone for Snapshots

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Snapshots

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

Formats the value using the given formatter.

impl PartialEq for Snapshots

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Snapshots