chromasync-template 0.6.0

Template loading and semantic token resolution for Chromasync
Documentation 
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use chromasync_color::generate_palette;
use chromasync_template::{built_in_templates, resolve_tokens_with_strategy};
use chromasync_types::{ChromaStrategy, ContrastStrategy, SemanticTokens, ThemeMode};
use serde::Serialize;

const TEMPLATE_COPIES: [(&str, &str, &str); 8] = [
    (
        "minimal-dark.toml",
        include_str!("../templates/minimal-dark.toml"),
        include_str!("../../../templates/minimal-dark.toml"),
    ),
    (
        "minimal-light.toml",
        include_str!("../templates/minimal-light.toml"),
        include_str!("../../../templates/minimal-light.toml"),
    ),
    (
        "brutalist-dark.toml",
        include_str!("../templates/brutalist-dark.toml"),
        include_str!("../../../templates/brutalist-dark.toml"),
    ),
    (
        "brutalist-light.toml",
        include_str!("../templates/brutalist-light.toml"),
        include_str!("../../../templates/brutalist-light.toml"),
    ),
    (
        "terminal-dark.toml",
        include_str!("../templates/terminal-dark.toml"),
        include_str!("../../../templates/terminal-dark.toml"),
    ),
    (
        "terminal-light.toml",
        include_str!("../templates/terminal-light.toml"),
        include_str!("../../../templates/terminal-light.toml"),
    ),
    (
        "materialish-dark.toml",
        include_str!("../templates/materialish-dark.toml"),
        include_str!("../../../templates/materialish-dark.toml"),
    ),
    (
        "materialish-light.toml",
        include_str!("../templates/materialish-light.toml"),
        include_str!("../../../templates/materialish-light.toml"),
    ),
];

#[derive(Debug, Serialize)]
struct TemplateSnapshot<'a> {
    template: &'a str,
    mode: ThemeMode,
    contrast: ContrastStrategy,
    tokens: SemanticTokens,
}

#[test]
fn embedded_and_release_template_copies_match() {
    for (name, embedded, release) in TEMPLATE_COPIES {
        assert_eq!(embedded, release, "template copies differ for {name}");
    }
}

#[test]
fn built_in_template_tokens_match_snapshot() {
    let templates = built_in_templates().expect("templates should load");
    let mut snapshots = Vec::with_capacity(templates.len() * 2);

    for template in &templates {
        let palette = generate_palette("#4ecdc4", template.definition.mode, ChromaStrategy::Normal)
            .expect("palette should build");

        for contrast in [
            ContrastStrategy::RelativeLuminance,
            ContrastStrategy::ApcaExperimental,
        ] {
            let tokens = resolve_tokens_with_strategy(&palette, &template.definition, contrast)
                .expect("template should resolve");

            snapshots.push(TemplateSnapshot {
                template: &template.definition.name,
                mode: template.definition.mode,
                contrast,
                tokens,
            });
        }
    }

    let actual = serde_json::to_string_pretty(&snapshots).expect("snapshots should serialize");
    let expected = include_str!("fixtures/builtin-template-tokens.golden.json");

    assert_eq!(actual, expected.trim());
}