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index.spec.ts
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index.spec.ts
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import fs from 'fs';
import * as httpMock from '../../../test/httpMock';
import { getReleases } from '.';
const body: any = JSON.parse(
fs.readFileSync(
'lib/datasource/dart/__fixtures__/shared_preferences.json',
'utf8'
)
);
const baseUrl = 'https://pub.dartlang.org/api/packages/';
describe('datasource/dart', () => {
beforeEach(() => {
httpMock.setup();
});
afterEach(() => {
httpMock.reset();
});
describe('getReleases', () => {
it('returns null for empty result', async () => {
httpMock.scope(baseUrl).get('/non_sense').reply(200, null);
expect(await getReleases({ lookupName: 'non_sense' })).toBeNull();
expect(httpMock.getTrace()).toMatchSnapshot();
});
it('returns null for empty fields', async () => {
const withoutVersions = {
...body,
versions: undefined,
};
httpMock
.scope(baseUrl)
.get('/shared_preferences')
.reply(200, withoutVersions);
expect(
await getReleases({ lookupName: 'shared_preferences' })
).toBeNull();
const withoutLatest = {
...body,
latest: undefined,
};
httpMock
.scope(baseUrl)
.get('/shared_preferences')
.reply(200, withoutLatest);
expect(
await getReleases({ lookupName: 'shared_preferences' })
).toBeNull();
expect(httpMock.getTrace()).toMatchSnapshot();
});
it('returns null for 404', async () => {
httpMock.scope(baseUrl).get('/shared_preferences').reply(404);
expect(
await getReleases({ lookupName: 'shared_preferences' })
).toBeNull();
expect(httpMock.getTrace()).toMatchSnapshot();
});
it('throws for 5xx', async () => {
httpMock.scope(baseUrl).get('/shared_preferences').reply(502);
let e;
try {
await getReleases({ lookupName: 'shared_preferences' });
} catch (err) {
e = err;
}
expect(e).toBeDefined();
expect(e).toMatchSnapshot();
expect(httpMock.getTrace()).toMatchSnapshot();
});
it('returns null for unknown error', async () => {
httpMock.scope(baseUrl).get('/shared_preferences').replyWithError('');
expect(
await getReleases({ lookupName: 'shared_preferences' })
).toBeNull();
expect(httpMock.getTrace()).toMatchSnapshot();
});
it('processes real data', async () => {
httpMock.scope(baseUrl).get('/shared_preferences').reply(200, body);
const res = await getReleases({
lookupName: 'shared_preferences',
});
expect(res).toMatchSnapshot();
expect(httpMock.getTrace()).toMatchSnapshot();
});
});
});