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homarr/apps/nextjs/src/app/[locale]/boards/_layout-utils.spec.ts
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import { describe, expect, test } from "vitest";
import { BoardMockBuilder } from "~/components/board/items/actions/test/mocks/board-mock";
import { ContainerSectionMockBuilder } from "~/components/board/items/actions/test/mocks/container-section-mock";
import { EmptySectionMockBuilder } from "~/components/board/items/actions/test/mocks/empty-section-mock";
import { ItemMockBuilder } from "~/components/board/items/actions/test/mocks/item-mock";
import { getRepresentativeLayoutWidth, projectBoardLayout } from "./_layout-utils";
const mobile = {
id: "mobile",
name: "Mobile",
columnCount: 3,
leftGutterColumnCount: 0,
rightGutterColumnCount: 0,
breakpoint: 0,
role: "mobile" as const,
};
const custom = {
id: "tablet",
name: "Tablet",
columnCount: 6,
leftGutterColumnCount: 0,
rightGutterColumnCount: 0,
breakpoint: 480,
role: "custom" as const,
};
const base = {
id: "base",
name: "Base",
columnCount: 12,
leftGutterColumnCount: 0,
rightGutterColumnCount: 0,
breakpoint: 768,
role: "base" as const,
};
describe("layout representative widths", () => {
test("uses a phone width, activation midpoint, and desktop minimum", () => {
const layouts = [mobile, custom, base];
expect(getRepresentativeLayoutWidth(mobile, layouts)).toBe(390);
expect(getRepresentativeLayoutWidth(custom, layouts)).toBe(624);
expect(getRepresentativeLayoutWidth(base, layouts)).toBe(1280);
});
});
describe("projectBoardLayout", () => {
test("returns exact saved positions without recursively re-projecting the active layout", () => {
const rootSection = new EmptySectionMockBuilder({ id: "root" }).build();
const container = new ContainerSectionMockBuilder({ id: "container" })
.addLayout({ layoutId: mobile.id, parentSectionId: rootSection.id, width: 3, height: 2 })
.build();
const board = new BoardMockBuilder().addLayout(mobile).addSections([rootSection, container]).build();
expect(projectBoardLayout(board, mobile, mobile)).toEqual([
expect.objectContaining({ id: container.id, sectionId: rootSection.id, width: 3, height: 2 }),
]);
});
test("uses production ordering and sizing for items and containers", () => {
const rootSection = new EmptySectionMockBuilder({ id: "root" }).build();
const container = new ContainerSectionMockBuilder({ id: "container" })
.addLayout({ layoutId: base.id, parentSectionId: rootSection.id, width: 6, height: 3, xOffset: 6, yOffset: 0 })
.build();
const rootItem = new ItemMockBuilder({ id: "root-item", kind: "clock" })
.addLayout({ layoutId: base.id, sectionId: rootSection.id, width: 5, height: 2, xOffset: 0, yOffset: 0 })
.build();
const nestedItem = new ItemMockBuilder({ id: "nested-item", kind: "clock" })
.addLayout({ layoutId: base.id, sectionId: container.id, width: 4, height: 1, xOffset: 0, yOffset: 0 })
.build();
const board = new BoardMockBuilder()
.addLayout(mobile)
.addSections([rootSection, container])
.addItems([rootItem, nestedItem])
.build();
const projected = projectBoardLayout(board, base, mobile);
expect(projected.find((element) => element.id === rootItem.id)).toMatchObject({
type: "item",
width: 3,
height: 2,
xOffset: 0,
yOffset: 0,
sectionId: rootSection.id,
});
expect(projected.find((element) => element.id === container.id)).toMatchObject({
type: "section",
width: 3,
xOffset: 0,
yOffset: 2,
sectionId: rootSection.id,
});
expect(projected.find((element) => element.id === nestedItem.id)).toMatchObject({
type: "item",
width: 3,
sectionId: container.id,
});
});
test("ignores missing saved positions and supports empty boards", () => {
const rootSection = new EmptySectionMockBuilder({ id: "root" }).build();
const itemWithoutBasePosition = new ItemMockBuilder({ id: "missing", kind: "clock" }).build();
const board = new BoardMockBuilder()
.addLayout(mobile)
.addSection(rootSection)
.addItem(itemWithoutBasePosition)
.build();
expect(projectBoardLayout(board, base, mobile)).toEqual([]);
});
});