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openchamber/packages/ui/src/lib/surfaces/registry.test.ts
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import { describe, expect, test } from 'bun:test';
import {
CONTEXT_SURFACES,
getVisibleContextRailSurfaces,
WALKTHROUGH_MIN_WIDTH,
} from './registry';
const baseOptions = {
railOrder: [],
planModeEnabled: true,
isVSCode: false,
screenWidth: 1200,
tabs: [],
} as const;
describe('getVisibleContextRailSurfaces', () => {
test('hides the plan surface while plan mode is disabled', () => {
const surfaces = getVisibleContextRailSurfaces({ ...baseOptions, planModeEnabled: false });
expect(surfaces.some((surface) => surface.id === 'plan')).toBe(false);
expect(surfaces.some((surface) => surface.id === 'context')).toBe(true);
});
test('shows the plan surface while plan mode is enabled', () => {
const surfaces = getVisibleContextRailSurfaces({ ...baseOptions, planModeEnabled: true });
expect(surfaces.some((surface) => surface.id === 'plan')).toBe(true);
});
test('hides the walkthrough on VS Code and below the min width', () => {
expect(getVisibleContextRailSurfaces({ ...baseOptions, isVSCode: true }).some((s) => s.id === 'walkthrough')).toBe(false);
expect(
getVisibleContextRailSurfaces({ ...baseOptions, screenWidth: WALKTHROUGH_MIN_WIDTH - 1 }).some((s) => s.id === 'walkthrough'),
).toBe(false);
expect(
getVisibleContextRailSurfaces({ ...baseOptions, screenWidth: WALKTHROUGH_MIN_WIDTH }).some((s) => s.id === 'walkthrough'),
).toBe(true);
});
test('hides content-driven surfaces until a matching tab exists', () => {
const preview = CONTEXT_SURFACES.find((surface) => surface.id === 'preview');
if (!preview) {
throw new Error('preview surface missing from registry');
}
expect(preview.availability).toBe('has-content');
expect(getVisibleContextRailSurfaces(baseOptions).some((s) => s.id === 'preview')).toBe(false);
expect(getVisibleContextRailSurfaces({ ...baseOptions, tabs: [{ mode: preview.mode }] }).some((s) => s.id === 'preview')).toBe(true);
});
test('respects the persisted user rail order', () => {
const surfaces = getVisibleContextRailSurfaces({ ...baseOptions, railOrder: ['git', 'context'] });
expect(surfaces.slice(0, 2).map((surface) => surface.id)).toEqual(['git', 'context']);
});
});