@magic-mustard/sqlsync/dist/fileio/sql-files.test.js

SQLSync simplifies database schema evolution by allowing a declarative approach to table management

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
const fs = __importStar(require("fs"));
const sql_files_1 = require("./sql-files");
jest.mock('fs');
describe('SqlFiles', () => {
    let sqlFiles;
    const mockSchemaStructure = {
        tables: {
            order: ['/path/to/tables/table1.sql', '/path/to/tables/subfolder'],
            orderedSubdirectoryFileOrder: ['schema.sql', 'data.sql'],
        },
        seeds: {
            order: ['/path/to/seeds/seed1.sql'],
            orderedSubdirectoryFileOrder: [],
        },
    };
    beforeEach(() => {
        jest.spyOn(fs, 'statSync').mockImplementation((path) => {
            if (typeof path === 'string' && path.endsWith('/subfolder')) {
                return { isFile: () => false, isDirectory: () => true };
            }
            else {
                return { isFile: () => true, isDirectory: () => false };
            }
        });
        jest.spyOn(fs, 'existsSync').mockImplementation((path) => {
            return (typeof path === 'string' &&
                (path.includes('schema.sql') || path.includes('data.sql')));
        });
        jest
            .spyOn(fs, 'readFileSync')
            .mockImplementation((path) => {
            return typeof path === 'string'
                ? `Contents of ${path}`
                : 'Contents of unknown path';
        });
        sqlFiles = new sql_files_1.SqlFiles(mockSchemaStructure);
    });
    afterEach(() => {
        jest.clearAllMocks();
    });
    it('should return the first SQL file in the order', () => {
        const result = sqlFiles.next();
        expect(result).not.toBeNull();
        expect(result === null || result === void 0 ? void 0 : result.location).toBe('/path/to/tables/table1.sql');
        expect(result === null || result === void 0 ? void 0 : result.contents).toBe('Contents of /path/to/tables/table1.sql');
    });
    it('should handle directories and return subdirectory files if they exist', () => {
        // First call should return table1.sql
        sqlFiles.next();
        // Second call should process the subfolder and return schema.sql
        const result = sqlFiles.next();
        expect(result).not.toBeNull();
        expect(result === null || result === void 0 ? void 0 : result.location).toBe('/path/to/tables/subfolder/schema.sql');
        expect(result === null || result === void 0 ? void 0 : result.contents).toBe('Contents of /path/to/tables/subfolder/schema.sql');
    });
    it('should move to the next category after exhausting the current one', () => {
        // Process tables category
        sqlFiles.next(); // table1.sql
        sqlFiles.next(); // subfolder/schema.sql
        sqlFiles.next(); // subfolder/data.sql
        // Should move to seeds category
        const result = sqlFiles.next();
        expect(result).not.toBeNull();
        expect(result === null || result === void 0 ? void 0 : result.location).toBe('/path/to/seeds/seed1.sql');
        expect(result === null || result === void 0 ? void 0 : result.contents).toBe('Contents of /path/to/seeds/seed1.sql');
    });
    it('should return null when there are no more files', () => {
        // Process all files
        sqlFiles.next(); // table1.sql
        sqlFiles.next(); // subfolder/schema.sql
        sqlFiles.next(); // subfolder/data.sql
        sqlFiles.next(); // seed1.sql
        const result = sqlFiles.next();
        expect(result).toBeNull();
    });
    it('should skip subdirectory files that do not exist', () => {
        jest.spyOn(fs, 'existsSync').mockImplementation((path) => {
            return (typeof path === 'string' &&
                path.includes('schema.sql') &&
                !path.includes('data.sql'));
        });
        sqlFiles = new sql_files_1.SqlFiles(mockSchemaStructure);
        // Process table1.sql
        sqlFiles.next();
        // Should return schema.sql, skip data.sql as it doesn't exist
        const result = sqlFiles.next();
        expect(result).not.toBeNull();
        expect(result === null || result === void 0 ? void 0 : result.location).toBe('/path/to/tables/subfolder/schema.sql');
        // Next should be seeds as data.sql is skipped
        const nextResult = sqlFiles.next();
        expect(nextResult).not.toBeNull();
        expect(nextResult === null || nextResult === void 0 ? void 0 : nextResult.location).toBe('/path/to/seeds/seed1.sql');
    });
});