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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect } from 'vitest';
import * as themeModule from './theme.js';
import { themeManager } from './theme-manager.js';
const { validateCustomTheme } = themeModule;
type CustomTheme = themeModule.CustomTheme;
describe('validateCustomTheme', () => {
const validTheme: CustomTheme = {
type: 'custom',
name: 'My Custom Theme',
Background: '#FFFFFF',
Foreground: '#000000',
LightBlue: '#ADD8E6',
AccentBlue: '#0000FF',
AccentPurple: '#800080',
AccentCyan: '#00FFFF',
AccentGreen: '#008000',
AccentYellow: '#FFFF00',
AccentRed: '#FF0000',
DiffAdded: '#00FF00',
DiffRemoved: '#FF0000',
Comment: '#808080',
Gray: '#808080',
};
it('should return isValid: true for a valid theme', () => {
const result = validateCustomTheme(validTheme);
expect(result.isValid).toBe(true);
expect(result.error).toBeUndefined();
});
it('should return isValid: false for a theme with an invalid name', () => {
const invalidTheme = { ...validTheme, name: ' ' };
const result = validateCustomTheme(invalidTheme);
expect(result.isValid).toBe(false);
expect(result.error).toBe('Invalid theme name: ');
});
it('should return isValid: true for a theme missing optional DiffAdded and DiffRemoved colors', () => {
const legacyTheme: Partial<CustomTheme> = { ...validTheme };
delete legacyTheme.DiffAdded;
delete legacyTheme.DiffRemoved;
const result = validateCustomTheme(legacyTheme);
expect(result.isValid).toBe(true);
expect(result.error).toBeUndefined();
});
it('should return isValid: false for a theme with a very long name', () => {
const invalidTheme = { ...validTheme, name: 'a'.repeat(51) };
const result = validateCustomTheme(invalidTheme);
expect(result.isValid).toBe(false);
expect(result.error).toBe(`Invalid theme name: ${'a'.repeat(51)}`);
});
});
describe('themeManager.loadCustomThemes', () => {
const baseTheme: Omit<CustomTheme, 'DiffAdded' | 'DiffRemoved'> & {
DiffAdded?: string;
DiffRemoved?: string;
} = {
type: 'custom',
name: 'Test Theme',
Background: '#FFF',
Foreground: '#000',
LightBlue: '#ADD8E6',
AccentBlue: '#00F',
AccentPurple: '#808',
AccentCyan: '#0FF',
AccentGreen: '#080',
AccentYellow: '#FF0',
AccentRed: '#F00',
Comment: '#888',
Gray: '#888',
};
it('should use values from DEFAULT_THEME when DiffAdded and DiffRemoved are not provided', () => {
const { darkTheme } = themeModule;
const legacyTheme: Partial<CustomTheme> = { ...baseTheme };
delete legacyTheme.DiffAdded;
delete legacyTheme.DiffRemoved;
themeManager.loadCustomThemes({ 'Legacy Custom Theme': legacyTheme });
const result = themeManager.getTheme('Legacy Custom Theme')!;
expect(result.colors.DiffAdded).toBe(darkTheme.DiffAdded);
expect(result.colors.DiffRemoved).toBe(darkTheme.DiffRemoved);
expect(result.colors.AccentBlue).toBe(legacyTheme.AccentBlue);
expect(result.name).toBe(legacyTheme.name);
});
});
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