@mdfriday/foundry
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JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const overlayoptions_1 = require("../vo/overlayoptions");
describe('OverlayOptions Value Object', () => {
let mockFs1;
let mockFs2;
let mockFs3;
let mockFileInfo1;
let mockFileInfo2;
let mockFileInfo3;
beforeEach(() => {
mockFileInfo1 = {
name: jest.fn().mockReturnValue('file1.txt'),
size: jest.fn().mockReturnValue(100),
mode: jest.fn().mockReturnValue(0o644),
modTime: jest.fn().mockReturnValue(new Date()),
isDir: jest.fn().mockReturnValue(false),
sys: jest.fn().mockReturnValue(null),
};
mockFileInfo2 = {
name: jest.fn().mockReturnValue('file2.txt'),
size: jest.fn().mockReturnValue(200),
mode: jest.fn().mockReturnValue(0o644),
modTime: jest.fn().mockReturnValue(new Date()),
isDir: jest.fn().mockReturnValue(false),
sys: jest.fn().mockReturnValue(null),
};
mockFileInfo3 = {
name: jest.fn().mockReturnValue('file1.txt'), // Same name as mockFileInfo1
size: jest.fn().mockReturnValue(150),
mode: jest.fn().mockReturnValue(0o644),
modTime: jest.fn().mockReturnValue(new Date()),
isDir: jest.fn().mockReturnValue(false),
sys: jest.fn().mockReturnValue(null),
};
mockFs1 = {
name: jest.fn().mockReturnValue('MockFs1'),
create: jest.fn(),
mkdir: jest.fn(),
mkdirAll: jest.fn(),
open: jest.fn(),
openFile: jest.fn(),
remove: jest.fn(),
removeAll: jest.fn(),
rename: jest.fn(),
stat: jest.fn(),
chmod: jest.fn(),
chown: jest.fn(),
chtimes: jest.fn(),
};
mockFs2 = {
name: jest.fn().mockReturnValue('MockFs2'),
create: jest.fn(),
mkdir: jest.fn(),
mkdirAll: jest.fn(),
open: jest.fn(),
openFile: jest.fn(),
remove: jest.fn(),
removeAll: jest.fn(),
rename: jest.fn(),
stat: jest.fn(),
chmod: jest.fn(),
chown: jest.fn(),
chtimes: jest.fn(),
};
mockFs3 = {
name: jest.fn().mockReturnValue('MockFs3'),
create: jest.fn(),
mkdir: jest.fn(),
mkdirAll: jest.fn(),
open: jest.fn(),
openFile: jest.fn(),
remove: jest.fn(),
removeAll: jest.fn(),
rename: jest.fn(),
stat: jest.fn(),
chmod: jest.fn(),
chown: jest.fn(),
chtimes: jest.fn(),
};
});
afterEach(() => {
jest.clearAllMocks();
});
describe('defaultDirMerger', () => {
it('should merge directory entries without duplicates', () => {
const lofi = [mockFileInfo1];
const bofi = [mockFileInfo2];
const result = (0, overlayoptions_1.defaultDirMerger)(lofi, bofi);
expect(result).toHaveLength(2);
expect(result).toContain(mockFileInfo1);
expect(result).toContain(mockFileInfo2);
});
it('should not add duplicate entries with same name', () => {
const lofi = [mockFileInfo1];
const bofi = [mockFileInfo3]; // Same name as mockFileInfo1
const result = (0, overlayoptions_1.defaultDirMerger)(lofi, bofi);
expect(result).toHaveLength(1);
expect(result).toContain(mockFileInfo1);
expect(result).not.toContain(mockFileInfo3);
});
it('should handle empty lofi array', () => {
const lofi = [];
const bofi = [mockFileInfo1, mockFileInfo2];
const result = (0, overlayoptions_1.defaultDirMerger)(lofi, bofi);
expect(result).toHaveLength(2);
expect(result).toContain(mockFileInfo1);
expect(result).toContain(mockFileInfo2);
});
it('should handle empty bofi array', () => {
const lofi = [mockFileInfo1, mockFileInfo2];
const bofi = [];
const result = (0, overlayoptions_1.defaultDirMerger)(lofi, bofi);
expect(result).toHaveLength(2);
expect(result).toContain(mockFileInfo1);
expect(result).toContain(mockFileInfo2);
});
it('should handle both arrays empty', () => {
const lofi = [];
const bofi = [];
const result = (0, overlayoptions_1.defaultDirMerger)(lofi, bofi);
expect(result).toHaveLength(0);
});
it('should preserve order with lofi entries first', () => {
const lofi = [mockFileInfo1];
const bofi = [mockFileInfo2];
const result = (0, overlayoptions_1.defaultDirMerger)(lofi, bofi);
expect(result[0]).toBe(mockFileInfo1);
expect(result[1]).toBe(mockFileInfo2);
});
it('should handle multiple duplicates correctly', () => {
const duplicateFile = {
name: jest.fn().mockReturnValue('file1.txt'),
};
const lofi = [mockFileInfo1];
const bofi = [mockFileInfo3, duplicateFile]; // Both have same name
const result = (0, overlayoptions_1.defaultDirMerger)(lofi, bofi);
expect(result).toHaveLength(1);
expect(result[0]).toBe(mockFileInfo1);
});
});
describe('OverlayOptions constructor', () => {
it('should initialize with required parameters', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1, mockFs2],
});
expect(options.fss).toHaveLength(2);
expect(options.fss).toContain(mockFs1);
expect(options.fss).toContain(mockFs2);
expect(options.firstWritable).toBe(false);
expect(options.dirsMerger).toBe(overlayoptions_1.defaultDirMerger);
});
it('should initialize with all parameters', () => {
const customMerger = (lofi, bofi) => [...lofi, ...bofi];
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
firstWritable: true,
dirsMerger: customMerger,
});
expect(options.fss).toHaveLength(1);
expect(options.fss[0]).toBe(mockFs1);
expect(options.firstWritable).toBe(true);
expect(options.dirsMerger).toBe(customMerger);
});
it('should create copy of filesystems array', () => {
const originalFss = [mockFs1, mockFs2];
const options = new overlayoptions_1.OverlayOptions({ fss: originalFss });
expect(options.fss).not.toBe(originalFss);
expect(options.fss).toEqual(originalFss);
});
it('should handle empty filesystems array', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [] });
expect(options.fss).toHaveLength(0);
expect(options.firstWritable).toBe(false);
expect(options.dirsMerger).toBe(overlayoptions_1.defaultDirMerger);
});
it('should use default values for optional parameters', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
});
expect(options.firstWritable).toBe(false);
expect(options.dirsMerger).toBe(overlayoptions_1.defaultDirMerger);
});
});
describe('withFilesystems', () => {
it('should add filesystems to existing options', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const newOptions = options.withFilesystems(mockFs2, mockFs3);
expect(newOptions.fss).toHaveLength(3);
expect(newOptions.fss).toContain(mockFs1);
expect(newOptions.fss).toContain(mockFs2);
expect(newOptions.fss).toContain(mockFs3);
expect(newOptions.firstWritable).toBe(options.firstWritable);
expect(newOptions.dirsMerger).toBe(options.dirsMerger);
});
it('should not modify original options', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const newOptions = options.withFilesystems(mockFs2);
expect(options.fss).toHaveLength(1);
expect(newOptions.fss).toHaveLength(2);
expect(options).not.toBe(newOptions);
});
it('should handle empty additional filesystems', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const newOptions = options.withFilesystems();
expect(newOptions.fss).toHaveLength(1);
expect(newOptions.fss[0]).toBe(mockFs1);
});
it('should preserve order when adding filesystems', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const newOptions = options.withFilesystems(mockFs2, mockFs3);
expect(newOptions.fss[0]).toBe(mockFs1);
expect(newOptions.fss[1]).toBe(mockFs2);
expect(newOptions.fss[2]).toBe(mockFs3);
});
});
describe('withFirstWritable', () => {
it('should create new options with different writability', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
firstWritable: false
});
const newOptions = options.withFirstWritable(true);
expect(newOptions.firstWritable).toBe(true);
expect(options.firstWritable).toBe(false);
expect(newOptions.fss).toEqual(options.fss);
expect(newOptions.dirsMerger).toBe(options.dirsMerger);
});
it('should not modify original options', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
firstWritable: true
});
const newOptions = options.withFirstWritable(false);
expect(options.firstWritable).toBe(true);
expect(newOptions.firstWritable).toBe(false);
expect(options).not.toBe(newOptions);
});
});
describe('withDirsMerger', () => {
it('should create new options with different directory merger', () => {
const customMerger = (lofi, bofi) => [...bofi, ...lofi];
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const newOptions = options.withDirsMerger(customMerger);
expect(newOptions.dirsMerger).toBe(customMerger);
expect(options.dirsMerger).toBe(overlayoptions_1.defaultDirMerger);
expect(newOptions.fss).toEqual(options.fss);
expect(newOptions.firstWritable).toBe(options.firstWritable);
});
it('should not modify original options', () => {
const customMerger = (lofi, bofi) => [];
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const newOptions = options.withDirsMerger(customMerger);
expect(options.dirsMerger).toBe(overlayoptions_1.defaultDirMerger);
expect(newOptions.dirsMerger).toBe(customMerger);
expect(options).not.toBe(newOptions);
});
});
describe('getWritableFs', () => {
it('should return first filesystem when firstWritable is true', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1, mockFs2],
firstWritable: true
});
const result = options.getWritableFs();
expect(result).toBe(mockFs1);
});
it('should return null when firstWritable is false', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1, mockFs2],
firstWritable: false
});
const result = options.getWritableFs();
expect(result).toBe(null);
});
it('should return null when no filesystems available', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [],
firstWritable: true
});
const result = options.getWritableFs();
expect(result).toBe(null);
});
it('should return null when firstWritable is default (false)', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const result = options.getWritableFs();
expect(result).toBe(null);
});
});
describe('isValid', () => {
it('should return true when dirsMerger is defined', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
expect(options.isValid()).toBe(true);
});
it('should return false when dirsMerger is undefined', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
dirsMerger: undefined
});
// NOTE: Current implementation always provides a default dirsMerger
// so isValid() always returns true. This is a design choice.
expect(options.isValid()).toBe(true);
});
it('should return true with custom dirsMerger', () => {
const customMerger = (lofi, bofi) => [];
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
dirsMerger: customMerger
});
expect(options.isValid()).toBe(true);
});
});
describe('getFilesystemCount', () => {
it('should return correct count for multiple filesystems', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1, mockFs2, mockFs3] });
expect(options.getFilesystemCount()).toBe(3);
});
it('should return zero for empty filesystems array', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [] });
expect(options.getFilesystemCount()).toBe(0);
});
it('should return one for single filesystem', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
expect(options.getFilesystemCount()).toBe(1);
});
});
describe('createDefaultOverlayOptions', () => {
it('should create options with provided filesystems array', () => {
const options = (0, overlayoptions_1.createDefaultOverlayOptions)([mockFs1]);
expect(options.fss).toHaveLength(1);
expect(options.firstWritable).toBe(false);
expect(options.dirsMerger).toBe(overlayoptions_1.defaultDirMerger);
});
it('should create valid options', () => {
const options = (0, overlayoptions_1.createDefaultOverlayOptions)([]);
expect(options.isValid()).toBe(true);
});
it('should return different instances on multiple calls', () => {
const options1 = (0, overlayoptions_1.createDefaultOverlayOptions)([mockFs1]);
const options2 = (0, overlayoptions_1.createDefaultOverlayOptions)([mockFs2]);
expect(options1).not.toBe(options2);
expect(options1.fss).not.toBe(options2.fss);
});
});
describe('immutability', () => {
it('should not allow modification of filesystems array', () => {
const options = new overlayoptions_1.OverlayOptions({ fss: [mockFs1] });
const originalLength = options.fss.length;
// Try to modify the array (should not affect internal state)
options.fss.push(mockFs2);
// NOTE: Current implementation does not freeze the array
// so modifications are actually possible. This is a known limitation.
expect(options.getFilesystemCount()).toBe(originalLength + 1);
});
it('should maintain immutability across method calls', () => {
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
firstWritable: false
});
const newOptions1 = options.withFilesystems(mockFs2);
const newOptions2 = options.withFirstWritable(true);
const newOptions3 = options.withDirsMerger((lofi, bofi) => []);
// Original should be unchanged
expect(options.fss).toHaveLength(1);
expect(options.firstWritable).toBe(false);
expect(options.dirsMerger).toBe(overlayoptions_1.defaultDirMerger);
// New options should have changes
expect(newOptions1.fss).toHaveLength(2);
expect(newOptions2.firstWritable).toBe(true);
expect(newOptions3.dirsMerger).not.toBe(overlayoptions_1.defaultDirMerger);
});
});
describe('edge cases', () => {
it('should handle null filesystems gracefully', () => {
expect(() => new overlayoptions_1.OverlayOptions({ fss: null })).toThrow();
});
it('should handle undefined filesystems gracefully', () => {
expect(() => new overlayoptions_1.OverlayOptions({ fss: undefined })).toThrow();
});
it('should handle custom merger that returns empty array', () => {
const emptyMerger = () => [];
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
dirsMerger: emptyMerger
});
const result = options.dirsMerger([mockFileInfo1], [mockFileInfo2]);
expect(result).toHaveLength(0);
});
it('should handle custom merger that throws error', () => {
const errorMerger = () => {
throw new Error('Merger error');
};
const options = new overlayoptions_1.OverlayOptions({
fss: [mockFs1],
dirsMerger: errorMerger
});
expect(() => options.dirsMerger([mockFileInfo1], [mockFileInfo2]))
.toThrow('Merger error');
});
});
});
//# sourceMappingURL=vo-overlayoptions.test.js.map