249 lines
7.9 KiB
JavaScript
249 lines
7.9 KiB
JavaScript
/*
|
|
* Copyright (c) 2016 Michael Krotscheck.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
import AbstractService from "../../../src/util/abstractService";
|
|
import * as mockData from "../helpers/data/versions";
|
|
import fetchMock from "fetch-mock"; // Might as well use service
|
|
|
|
describe('AbstractService', () => {
|
|
|
|
afterEach(fetchMock.restore);
|
|
|
|
it('should provide a singleton HTTP instance', () => {
|
|
let service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
|
|
expect(service._http).toBeUndefined();
|
|
let http1 = service.http;
|
|
expect(service._http).toBeDefined();
|
|
expect(http1).not.toBeNull();
|
|
let http2 = service.http;
|
|
expect(http1).toBe(http2);
|
|
});
|
|
|
|
it('should return supported versions', () => {
|
|
let service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
expect(service.supportedVersions).toEqual(mockData.versions);
|
|
});
|
|
|
|
it('should return an empty array if no versions are configured', () => {
|
|
let service = new AbstractService(mockData.rootUrl, null);
|
|
expect(service.supportedVersions).toEqual([]);
|
|
});
|
|
|
|
describe("versions()", () => {
|
|
|
|
it("Should return a list of all versions available from this resource", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
|
|
fetchMock.mock(mockData.rootResponse());
|
|
|
|
service.versions()
|
|
.then((versions) => {
|
|
// Quick sanity check.
|
|
expect(versions.length).toBe(5);
|
|
expect(versions[0].major).toEqual(2);
|
|
expect(versions[0].minor).toEqual(3);
|
|
expect(versions[0].patch).toEqual(0);
|
|
expect(versions[0].links).not.toBe(null);
|
|
expect(versions[0].links[0].href).toEqual('http://example.com/v2/');
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
|
|
// This test catches the case when the service catalog already points
|
|
// at an API version.
|
|
it("Should retry at the root URL if a 401 is encountered", (done) => {
|
|
const service = new AbstractService(mockData.subUrl, mockData.versions);
|
|
|
|
fetchMock.mock(mockData.subResponse());
|
|
fetchMock.mock(mockData.rootResponse());
|
|
|
|
service.versions()
|
|
.then((versions) => {
|
|
// Quick sanity check.
|
|
expect(versions.length).toBe(5);
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
|
|
it("Should not retry at the root URL if a different status is encountered", (done) => {
|
|
const service = new AbstractService(mockData.subUrl, mockData.versions);
|
|
|
|
fetchMock.mock(mockData.subResponse(500));
|
|
|
|
service.versions()
|
|
.then((response) => done.fail(response))
|
|
.catch((error) => {
|
|
expect(error).not.toBeNull();
|
|
done();
|
|
});
|
|
});
|
|
|
|
it("Should NOT cache its results", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
const mockOptions = mockData.rootResponse();
|
|
|
|
fetchMock.mock(mockOptions);
|
|
|
|
service.versions()
|
|
.then(() => {
|
|
// Validate that the mock has only been invoked once
|
|
expect(fetchMock.calls(mockOptions.matcher).length).toEqual(1);
|
|
return service.versions();
|
|
})
|
|
.then(() => {
|
|
expect(fetchMock.calls(mockOptions.matcher).length).toEqual(2);
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
});
|
|
|
|
describe("version()", () => {
|
|
|
|
it("Should return a supported version of the service API.", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
|
|
fetchMock.mock(mockData.rootResponse());
|
|
|
|
service.version()
|
|
.then((version) => {
|
|
expect(version.equals('v2.3')).toBe(true);
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
|
|
it("Should return the latest compatible version of the service API.", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, [
|
|
'v2.0'
|
|
]);
|
|
|
|
fetchMock.mock(mockData.rootResponse());
|
|
|
|
service.version()
|
|
.then((version) => {
|
|
expect(version.equals('v2.3')).toBe(true);
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
|
|
it("Should throw an exception if no supported version is found.", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
|
|
// Build an invalid mock object.
|
|
const mockOptions = mockData.rootResponse();
|
|
mockOptions.response.versions.shift();
|
|
|
|
fetchMock.mock(mockOptions);
|
|
|
|
service.version()
|
|
.then((response) => done.fail(response))
|
|
.catch((error) => {
|
|
expect(error).not.toBeNull();
|
|
done();
|
|
});
|
|
});
|
|
|
|
it("Should NOT cache its results", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
const mockOptions = mockData.rootResponse();
|
|
fetchMock.mock(mockOptions);
|
|
|
|
service.version()
|
|
.then(() => {
|
|
// Validate that the mock has only been invoked once
|
|
expect(fetchMock.calls(mockOptions.matcher).length).toEqual(1);
|
|
return service.version();
|
|
})
|
|
.then(() => {
|
|
expect(fetchMock.calls(mockOptions.matcher).length).toEqual(2);
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
});
|
|
|
|
describe("serviceEndpoint()", () => {
|
|
|
|
it("Should return a valid endpoint to the API.", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
|
|
fetchMock.mock(mockData.rootResponse());
|
|
|
|
service.serviceEndpoint()
|
|
.then((endpoint) => {
|
|
expect(endpoint).toEqual('http://example.com/v2/');
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
|
|
it("Should throw an exception if no endpoint is provided.", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
|
|
// Build an exception payload.
|
|
const mockOptions = mockData.rootResponse();
|
|
mockOptions.response.versions[0].links = [];
|
|
fetchMock.mock(mockOptions);
|
|
|
|
service.serviceEndpoint()
|
|
.then((response) => done.fail(response))
|
|
.catch((error) => {
|
|
expect(error).not.toBeNull();
|
|
done();
|
|
});
|
|
});
|
|
|
|
it("Should throw an exception if no links array exists.", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
|
|
// Build an exception payload.
|
|
const mockOptions = mockData.rootResponse();
|
|
delete mockOptions.response.versions[0].links;
|
|
fetchMock.mock(mockOptions);
|
|
|
|
service.serviceEndpoint()
|
|
.then((response) => done.fail(response))
|
|
.catch((error) => {
|
|
expect(error).not.toBeNull();
|
|
done();
|
|
});
|
|
});
|
|
|
|
it("Should cache its results", (done) => {
|
|
const service = new AbstractService(mockData.rootUrl, mockData.versions);
|
|
const mockOptions = mockData.rootResponse();
|
|
fetchMock.mock(mockOptions);
|
|
|
|
service.serviceEndpoint()
|
|
.then(() => {
|
|
// Validate that the mock has only been invoked once
|
|
expect(fetchMock.calls(mockOptions.matcher).length).toEqual(1);
|
|
return service.serviceEndpoint();
|
|
})
|
|
.then(() => {
|
|
expect(fetchMock.calls(mockOptions.matcher).length).toEqual(1);
|
|
done();
|
|
})
|
|
.catch((error) => done.fail(error));
|
|
});
|
|
});
|
|
});
|