114 lines
3.3 KiB
TypeScript
114 lines
3.3 KiB
TypeScript
import { describe, it, expect, vi } from 'vitest';
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import { yarnSpinnerVite } from '../../src/plugins/vite';
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import { resolve } from 'node:path';
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import { fileURLToPath } from 'node:url';
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const __dirname = fileURLToPath(new URL('.', import.meta.url));
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describe('yarnSpinnerVite', () => {
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// Fixtures are in tests/fixtures/, not tests/plugins/fixtures/
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const projectPath = resolve(__dirname, '../fixtures/simple/.yarnproject');
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it('should return a Vite plugin with correct name', () => {
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const plugin = yarnSpinnerVite();
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expect(plugin.name).toBe('yarn-spinner-loader');
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});
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it('should have a load function', () => {
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const plugin = yarnSpinnerVite();
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expect(plugin.load).toBeDefined();
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expect(typeof plugin.load).toBe('function');
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});
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it('should load .yarnproject files and return exported code', async () => {
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const plugin = yarnSpinnerVite();
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const loadFn = plugin.load as Function;
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const mockContext = {
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error: vi.fn(),
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};
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const result = await loadFn.call(mockContext, projectPath);
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// If error was called, the file wasn't found or was invalid
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if (mockContext.error.mock.calls.length > 0) {
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throw new Error(mockContext.error.mock.calls[0][0]);
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}
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expect(result).toBeDefined();
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expect(typeof result).toBe('string');
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expect(result).toContain('export default');
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expect(result).toContain('project');
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expect(result).toContain('program');
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});
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it('should return null for non-.yarnproject files', async () => {
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const plugin = yarnSpinnerVite();
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const loadFn = plugin.load as Function;
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const result = await loadFn.call({}, 'some-file.ts');
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expect(result).toBeNull();
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});
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it('should handle errors by calling this.error', async () => {
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const plugin = yarnSpinnerVite();
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const loadFn = plugin.load as Function;
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const mockThis = {
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error: vi.fn(),
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};
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await loadFn.call(mockThis, 'nonexistent/.yarnproject');
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expect(mockThis.error).toHaveBeenCalled();
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});
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it('should accept loadOptions and pass them to loadYarnProject', async () => {
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const plugin = yarnSpinnerVite({
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loadOptions: {
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baseDir: resolve(__dirname, '../fixtures/simple'),
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},
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});
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const loadFn = plugin.load as Function;
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const mockContext = {
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error: vi.fn(),
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};
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const result = await loadFn.call(mockContext, projectPath);
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expect(mockContext.error).not.toHaveBeenCalled();
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expect(result).toBeDefined();
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expect(typeof result).toBe('string');
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expect(result).toContain('export default');
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});
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it('should have a transform function', () => {
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const plugin = yarnSpinnerVite();
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expect(plugin.transform).toBeDefined();
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expect(typeof plugin.transform).toBe('function');
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});
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it('transform should return empty export for .yarnproject files', () => {
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const plugin = yarnSpinnerVite();
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const transformFn = plugin.transform as Function;
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const result = transformFn.call({}, 'console.log("test")', projectPath);
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expect(result).toEqual({
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code: 'export default {};',
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map: null,
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});
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});
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it('transform should return null for non-.yarnproject files', () => {
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const plugin = yarnSpinnerVite();
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const transformFn = plugin.transform as Function;
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const result = transformFn.call({}, 'console.log("test")', 'some-file.ts');
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expect(result).toBeNull();
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});
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});
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