44d79e2c9a
- Unify test data for nonexistence of an object/string and collection. - Introduce more test through adding missing test data to existing tests. - Improve logic for checking absence of values to match tests. - Add missing tests for absent value validation. - Update documentation to include shared test functionality.
48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
import { IApplication } from './IApplication';
|
|
import { ICategoryCollection } from './ICategoryCollection';
|
|
import { IProjectInformation } from './IProjectInformation';
|
|
import { OperatingSystem } from './OperatingSystem';
|
|
|
|
export class Application implements IApplication {
|
|
constructor(
|
|
public info: IProjectInformation,
|
|
public collections: readonly ICategoryCollection[],
|
|
) {
|
|
validateInformation(info);
|
|
validateCollections(collections);
|
|
}
|
|
|
|
public getSupportedOsList(): OperatingSystem[] {
|
|
return this.collections.map((collection) => collection.os);
|
|
}
|
|
|
|
public getCollection(operatingSystem: OperatingSystem): ICategoryCollection | undefined {
|
|
return this.collections.find((collection) => collection.os === operatingSystem);
|
|
}
|
|
}
|
|
|
|
function validateInformation(info: IProjectInformation) {
|
|
if (!info) {
|
|
throw new Error('missing project information');
|
|
}
|
|
}
|
|
|
|
function validateCollections(collections: readonly ICategoryCollection[]) {
|
|
if (!collections || !collections.length) {
|
|
throw new Error('missing collections');
|
|
}
|
|
if (collections.filter((c) => !c).length > 0) {
|
|
throw new Error('missing collection in the list');
|
|
}
|
|
const osList = collections.map((c) => c.os);
|
|
const duplicates = getDuplicates(osList);
|
|
if (duplicates.length > 0) {
|
|
throw new Error(`multiple collections with same os: ${
|
|
duplicates.map((os) => OperatingSystem[os].toLowerCase()).join('", "')}`);
|
|
}
|
|
}
|
|
|
|
function getDuplicates(list: readonly OperatingSystem[]): OperatingSystem[] {
|
|
return list.filter((os, index) => list.indexOf(os) !== index);
|
|
}
|