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import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
import { fakeAsync, TestBed, tick } from '@angular/core/testing';
import { configureTestBed } from '~/testing/unit-test-helper';
import { SettingsService } from './settings.service';
describe('SettingsService', () => {
let service: SettingsService;
let httpTesting: HttpTestingController;
const exampleUrl = 'api/settings/something';
const exampleValue = 'http://localhost:3000';
configureTestBed({
providers: [SettingsService],
imports: [HttpClientTestingModule]
});
beforeEach(() => {
service = TestBed.inject(SettingsService);
httpTesting = TestBed.inject(HttpTestingController);
});
afterEach(() => {
httpTesting.verify();
});
it('should be created', () => {
expect(service).toBeTruthy();
});
it('should call validateGrafanaDashboardUrl', () => {
service.validateGrafanaDashboardUrl('s').subscribe();
const req = httpTesting.expectOne('api/grafana/validation/s');
expect(req.request.method).toBe('GET');
});
describe('getSettingsValue', () => {
const testMethod = (data: object, expected: string) => {
expect(service['getSettingsValue'](data)).toBe(expected);
};
it('should explain the logic of the method', () => {
expect('' || undefined).toBe(undefined);
expect(undefined || '').toBe('');
expect('test' || undefined || '').toBe('test');
});
it('should test the method for empty string values', () => {
testMethod({}, '');
testMethod({ wrongAttribute: 'test' }, '');
testMethod({ value: '' }, '');
testMethod({ instance: '' }, '');
});
it('should test the method for non empty string values', () => {
testMethod({ value: 'test' }, 'test');
testMethod({ instance: 'test' }, 'test');
});
});
describe('isSettingConfigured', () => {
let increment: number;
const testConfig = (url: string, value: string) => {
service.ifSettingConfigured(
url,
(setValue) => {
expect(setValue).toBe(value);
increment++;
},
() => {
increment--;
}
);
};
const expectSettingsApiCall = (url: string, value: object, isSet: string) => {
testConfig(url, isSet);
const req = httpTesting.expectOne(url);
expect(req.request.method).toBe('GET');
req.flush(value);
tick();
expect(increment).toBe(isSet !== '' ? 1 : -1);
expect(service['settings'][url]).toBe(isSet);
};
beforeEach(() => {
increment = 0;
});
it(`should return true if 'value' does not contain an empty string`, fakeAsync(() => {
expectSettingsApiCall(exampleUrl, { value: exampleValue }, exampleValue);
}));
it(`should return false if 'value' does contain an empty string`, fakeAsync(() => {
expectSettingsApiCall(exampleUrl, { value: '' }, '');
}));
it(`should return true if 'instance' does not contain an empty string`, fakeAsync(() => {
expectSettingsApiCall(exampleUrl, { value: exampleValue }, exampleValue);
}));
it(`should return false if 'instance' does contain an empty string`, fakeAsync(() => {
expectSettingsApiCall(exampleUrl, { instance: '' }, '');
}));
it(`should return false if the api object is empty`, fakeAsync(() => {
expectSettingsApiCall(exampleUrl, {}, '');
}));
it(`should call the API once even if it is called multiple times`, fakeAsync(() => {
expectSettingsApiCall(exampleUrl, { value: exampleValue }, exampleValue);
testConfig(exampleUrl, exampleValue);
httpTesting.expectNone(exampleUrl);
expect(increment).toBe(2);
}));
});
it('should disable a set setting', () => {
service['settings'] = { [exampleUrl]: exampleValue };
service.disableSetting(exampleUrl);
expect(service['settings']).toEqual({ [exampleUrl]: '' });
});
it('should return the specified settings (1)', () => {
let result;
service.getValues('foo,bar').subscribe((resp) => {
result = resp;
});
const req = httpTesting.expectOne('api/settings?names=foo,bar');
expect(req.request.method).toBe('GET');
req.flush([
{ name: 'foo', default: '', type: 'str', value: 'test' },
{ name: 'bar', default: 0, type: 'int', value: 2 }
]);
expect(result).toEqual({
foo: 'test',
bar: 2
});
});
it('should return the specified settings (2)', () => {
service.getValues(['abc', 'xyz']).subscribe();
const req = httpTesting.expectOne('api/settings?names=abc,xyz');
expect(req.request.method).toBe('GET');
});
it('should return standard settings', () => {
service.getStandardSettings().subscribe();
const req = httpTesting.expectOne('ui-api/standard_settings');
expect(req.request.method).toBe('GET');
});
});
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