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pyscript/pyscriptjs/tests/unit/fetch_plugin.test.ts
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import { calculatePaths } from '../../src/plugins/fetch';
import { FetchConfig } from '../../src/pyconfig';
describe('CalculateFetchPaths', () => {
it('should calculate paths when only from is provided', () => {
const fetch_cfg: FetchConfig[] = [{ from: 'http://a.com/data.csv' }];
const [paths, fetchPaths] = calculatePaths(fetch_cfg);
expect(paths).toStrictEqual(['./data.csv']);
expect(fetchPaths).toStrictEqual(['http://a.com/data.csv']);
});
it('should calculate paths when only files is provided', () => {
const fetch_cfg: FetchConfig[] = [{ files: ['foo/__init__.py', 'foo/mod.py'] }];
const [paths, fetchPaths] = calculatePaths(fetch_cfg);
expect(paths).toStrictEqual(['./foo/__init__.py', './foo/mod.py']);
expect(fetchPaths).toStrictEqual(['foo/__init__.py', 'foo/mod.py']);
});
it('should calculate paths when files and to_folder is provided', () => {
const fetch_cfg: FetchConfig[] = [{ files: ['foo/__init__.py', 'foo/mod.py'], to_folder: '/my/lib/' }];
const [paths, fetchPaths] = calculatePaths(fetch_cfg);
expect(paths).toStrictEqual(['/my/lib/foo/__init__.py', '/my/lib/foo/mod.py']);
expect(fetchPaths).toStrictEqual(['foo/__init__.py', 'foo/mod.py']);
});
it('should calculate paths when from and files and to_folder is provided', () => {
const fetch_cfg: FetchConfig[] = [
{ from: 'http://a.com/download/', files: ['foo/__init__.py', 'foo/mod.py'], to_folder: '/my/lib/' },
];
const [paths, fetchPaths] = calculatePaths(fetch_cfg);
expect(paths).toStrictEqual(['/my/lib/foo/__init__.py', '/my/lib/foo/mod.py']);
expect(fetchPaths).toStrictEqual(['http://a.com/download/foo/__init__.py', 'http://a.com/download/foo/mod.py']);
});
it("should error out while calculating paths when filename cannot be determined from 'from'", () => {
const fetch_cfg: FetchConfig[] = [{ from: 'http://google.com/', to_folder: '/tmp' }];
expect(() => calculatePaths(fetch_cfg)).toThrowError(
"Couldn't determine the filename from the path http://google.com/",
);
});
it('should calculate paths when to_file is explicitly supplied', () => {
const fetch_cfg: FetchConfig[] = [{ from: 'http://a.com/data.csv?version=1', to_file: 'pkg/tmp/data.csv' }];
const [paths, fetchPaths] = calculatePaths(fetch_cfg);
expect(paths).toStrictEqual(['./pkg/tmp/data.csv']);
expect(fetchPaths).toStrictEqual(['http://a.com/data.csv?version=1']);
});
it('should error out when both to_file and files parameters are provided', () => {
const fetch_cfg: FetchConfig[] = [
{ from: 'http://a.com/data.csv?version=1', to_file: 'pkg/tmp/data.csv', files: ['a.py', 'b.py'] },
];
expect(() => calculatePaths(fetch_cfg)).toThrowError("Cannot use 'to_file' and 'files' parameters together!");
});
});