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Unlucky-Launcher/crates/design/src/component_map/tests.rs
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//! `component_map` 的守门测试:表槽位 ↔ 枚举次序、官方高程/形状、圆角分层(D32)、微度量入口。
//!
//! 拆成独立文件是为了让 `mod.rs` 留出文档空间(项目硬约束:单文件 ≤400 行)。
use super::*;
#[test]
fn table_matches_component_order() {
for (i, spec) in table::SPECS.iter().enumerate() {
assert_eq!(
spec.component as usize, i,
"SPECS 第 {i} 行顺序与枚举不一致"
);
}
}
#[test]
fn every_component_resolves() {
assert_eq!(Component::ALL.len(), table::SPECS.len());
for component in Component::ALL {
let spec = component.spec();
assert_eq!(spec.component, component);
assert!(spec.text.style().size_px >= 11.0);
}
}
#[test]
fn names_are_unique() {
let mut seen = std::collections::BTreeSet::new();
for component in Component::ALL {
assert!(
seen.insert(component.name()),
"组件名重复:{}",
component.name()
);
}
}
#[test]
fn elevation_matches_official_component_tokens() {
// A 级来源(androidx.compose.material3.tokens):
// FilledCardTokens/OutlinedCardTokens.ContainerElevation = Level0
// MenuTokens.ContainerElevation = Level2
// DialogTokens.ContainerElevation = Level3
// SnackbarTokens.ContainerElevation = Level3
// AppBarTokens = Level0、ListTokens.ItemContainerElevation = Level0
// 偏离只允许出现在有登记的地方(Tooltip 是 B 级:token 文件里没有 Elevation 行)。
for (component, expect) in [
(Component::FilledCard, Elevation::Level0),
(Component::OutlinedCard, Elevation::Level0),
(Component::Menu, Elevation::Level2),
(Component::Dialog, Elevation::Level3),
(Component::Snackbar, Elevation::Level3),
(Component::TopAppBar, Elevation::Level0),
(Component::ListItem, Elevation::Level0),
(Component::TextField, Elevation::Level0),
] {
assert_eq!(
component.spec().elevation,
expect,
"{} 的高程与官方组件令牌不一致",
component.name()
);
}
// R4「全屏都在飘」的守门:一屏常见元素里带阴影(>Level0)的只允许是浮层。
for component in Component::ALL {
if component.spec().elevation > Elevation::Level0 {
assert!(
matches!(
component,
Component::Menu | Component::Dialog | Component::Snackbar | Component::Tooltip
),
"{} 不该有阴影(只有浮层允许)",
component.name()
);
}
}
}
#[test]
fn shapes_match_official_component_tokens() {
// 官方:卡片 CornerMedium(12)、对话框 CornerExtraLarge(28)、菜单 CornerExtraSmall(4)、
// 按钮/导航指示条 CornerFull、chip CornerSmall(8)。
assert_eq!(Component::FilledCard.spec().shape, ShapeScale::Medium);
assert_eq!(Component::OutlinedCard.spec().shape, ShapeScale::Medium);
assert_eq!(Component::Dialog.spec().shape, ShapeScale::ExtraLarge);
assert_eq!(Component::Menu.spec().shape, ShapeScale::ExtraSmall);
assert_eq!(Component::PrimaryButton.spec().shape, ShapeScale::Full);
assert_eq!(Component::Chip.spec().shape, ShapeScale::Small);
}
#[test]
fn only_primary_actions_use_filled_emphasis_and_one_dialog_layer() {
// 契约 §1:状态色不复用 accent、每屏最多一个实心 accent → 只有 primary-button 是
// 「实心强调」,其余按钮的形态由页面决定但不能是 Full + Level0 + Emphasized 的组合。
let primary = Component::PrimaryButton.spec();
assert_eq!(primary.shape, ShapeScale::Full);
assert_eq!(primary.text, TypeRole::LabelLarge);
// 浮层类必须比卡片层高。
assert!(Component::Dialog.spec().elevation > Component::OutlinedCard.spec().elevation);
assert!(Component::Menu.spec().elevation > Component::FilledCard.spec().elevation);
}
#[test]
fn morphs_always_expand_upwards() {
for component in Component::ALL {
if let Some(morph) = component.spec().morph {
assert_ne!(
morph.from,
morph.to,
"{} 的形变起止不能相同",
component.name()
);
// 方向必须「沿阶梯胀开」(morph 对 `Full` 也没问题,rank 把它排在末尾),
// 不比较像素跨度:`Full` 的半径依赖边长,用固定边长比会被 `None` 之外的大档拉爆。
assert!(
morph.from.rank() < morph.to.rank(),
"{} 的形变方向反了:{:?} → {:?}",
component.name(),
morph.from,
morph.to
);
}
}
}
#[test]
fn appended_variants_keep_the_frozen_order() {
// 枚举冻结为「只可末尾追加」:前 20 个的次序不能动(M69 只在末尾加 5 个)。
assert_eq!(Component::ALL.len(), 25);
assert_eq!(Component::ALL[0], Component::TopAppBar);
assert_eq!(Component::ALL[19], Component::EmptyState);
assert_eq!(Component::ALL[20], Component::Checkbox);
assert_eq!(Component::ALL[24], Component::Divider);
for (i, component) in Component::ALL.iter().enumerate() {
assert_eq!(*component as usize, i, "ALL 的次序与枚举判别值不一致");
}
}
#[test]
fn micro_radius_only_on_micro_controls() {
// D32:微半径只能给 ≤24dp 的微控件,且此时 `shape` 必须是占位 None(不参与渲染)。
let mut owners = Vec::new();
for component in Component::ALL {
let spec = component.spec();
let Some(radius) = spec.micro_radius else {
continue;
};
owners.push(component);
assert_eq!(radius, ComponentRadius::Micro, "白名单外的微半径不许过表");
assert_eq!(
spec.shape,
ShapeScale::None,
"{} 有微半径时 shape 必须占位 None(2dp 不在刻度里)",
component.name()
);
let metrics = component
.metrics()
.expect("带微半径的组件必须有 ComponentMetrics");
assert!(
metrics.width <= crate::shape::MICRO_CONTROL_MAX_SIZE
&& metrics.height <= crate::shape::MICRO_CONTROL_MAX_SIZE,
"{} 超出微控件尺寸上限",
component.name()
);
assert_eq!(
radius.radius_px(metrics.width),
Some(radius.dp()),
"{} 的微半径按自身尺寸取不到",
component.name()
);
}
assert_eq!(
owners,
vec![Component::Checkbox],
"当前只允许 Checkbox 用微半径"
);
}
#[test]
fn metrics_resolve_only_for_controls_with_inner_geometry() {
for component in [
Component::Checkbox,
Component::Radio,
Component::Search,
Component::NavigationDrawer,
] {
assert!(
component.metrics().is_some(),
"{} 缺 ComponentMetrics",
component.name()
);
}
// Divider 只有厚度,而厚度是一像素线(LM),不该出现在 CM 里。
assert!(Component::Divider.metrics().is_none());
// 骨架级尺寸不许在 CM 里重复一份(Single Source of Truth)。
for component in [Component::Search, Component::NavigationDrawer] {
let metrics = component.metrics().unwrap();
assert_eq!(metrics.width, 0.0, "{} 的宽度属骨架级", component.name());
assert_eq!(metrics.height, 0.0, "{} 的高度属骨架级", component.name());
}
}