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homarr/apps/nextjs/src/components/board/layout/test/board-lanes.spec.ts
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import { describe, expect, test } from "vitest";
import type { Board } from "~/app/[locale]/boards/_types";
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 { getBoardLaneColumnCount, getInitialBoardLogicalHeight, getRootSectionForLane } from "../index";
describe("board lanes", () => {
test("gutters consume columns from the main canvas", () => {
const layout = {
id: "layout",
name: "Base",
columnCount: 12,
leftGutterColumnCount: 2,
rightGutterColumnCount: 3,
breakpoint: 0,
role: "base",
} satisfies Board["layouts"][number];
expect(getBoardLaneColumnCount(layout, "left")).toBe(2);
expect(getBoardLaneColumnCount(layout, "main")).toBe(7);
expect(getBoardLaneColumnCount(layout, "right")).toBe(3);
});
test("clamps invalid gutters while preserving one main column", () => {
const layout = {
id: "layout",
name: "Base",
columnCount: 4,
leftGutterColumnCount: 3,
rightGutterColumnCount: 3,
breakpoint: 0,
role: "base",
} satisfies Board["layouts"][number];
expect(getBoardLaneColumnCount(layout, "left")).toBe(3);
expect(getBoardLaneColumnCount(layout, "main")).toBe(1);
expect(getBoardLaneColumnCount(layout, "right")).toBe(0);
});
test("disables gutters for mobile layouts", () => {
const layout = {
id: "mobile",
name: "Mobile",
columnCount: 12,
leftGutterColumnCount: 2,
rightGutterColumnCount: 3,
breakpoint: 0,
role: "mobile",
} satisfies Board["layouts"][number];
expect(getBoardLaneColumnCount(layout, "left")).toBe(0);
expect(getBoardLaneColumnCount(layout, "main")).toBe(12);
expect(getBoardLaneColumnCount(layout, "right")).toBe(0);
});
test("rejects ambiguous duplicate roots", () => {
const board = new BoardMockBuilder()
.addSection(new EmptySectionMockBuilder({ id: "main-a" }).build())
.addSection(new EmptySectionMockBuilder({ id: "main-b" }).build())
.build();
expect(() => getRootSectionForLane(board, "main")).toThrow("multiple main canvas roots");
});
test("calculates a stable server height from the tallest visible lane", () => {
const layoutId = "layout";
const mainSectionId = "main";
const leftSectionId = "left";
const containerSectionId = "container";
const board = new BoardMockBuilder()
.addSection(new EmptySectionMockBuilder({ id: mainSectionId }).build())
.addSection(new EmptySectionMockBuilder({ id: leftSectionId, xOffset: -1 }).build())
.addSection(
new ContainerSectionMockBuilder({
id: containerSectionId,
collapsed: true,
options: { collapsible: true },
})
.addLayout({
layoutId,
parentSectionId: mainSectionId,
xOffset: 0,
yOffset: 0,
width: 2,
height: 3,
})
.build(),
)
.addItem(
new ItemMockBuilder()
.addLayout({
layoutId,
sectionId: mainSectionId,
xOffset: 0,
yOffset: 3,
width: 1,
height: 1,
})
.build(),
)
.addItem(
new ItemMockBuilder()
.addLayout({
layoutId,
sectionId: leftSectionId,
xOffset: 0,
yOffset: 0,
width: 1,
height: 4,
})
.build(),
)
.build();
board.layouts = [
{
id: layoutId,
name: "Base",
columnCount: 8,
leftGutterColumnCount: 1,
rightGutterColumnCount: 0,
breakpoint: 0,
role: "base",
},
];
expect(getInitialBoardLogicalHeight(board, layoutId)).toBe(872);
});
});