archunit
Version:
ArchUnit TypeScript is an architecture testing library, to specify and assert architecture rules in your TypeScript app
77 lines • 3.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const metrics_1 = require("../../src/metrics");
describe('LCOM96b metric calculation', () => {
const lcom96b = new metrics_1.LCOM96b();
it('should return 0 for perfect cohesion', () => {
// A class where all methods access all fields
const classInfo = {
name: 'PerfectCohesion',
filePath: '/path/to/perfect.ts',
methods: [
{ name: 'method1', accessedFields: ['field1', 'field2'] },
{ name: 'method2', accessedFields: ['field1', 'field2'] },
],
fields: [
{ name: 'field1', accessedBy: ['method1', 'method2'] },
{ name: 'field2', accessedBy: ['method1', 'method2'] },
],
};
expect(lcom96b.calculate(classInfo)).toBe(0);
});
it('should return 1 for no cohesion', () => {
// A class where each method accesses a separate field
const classInfo = {
name: 'NoCohesion',
filePath: '/path/to/nocohesion.ts',
methods: [
{ name: 'method1', accessedFields: ['field1'] },
{ name: 'method2', accessedFields: ['field2'] },
],
fields: [
{ name: 'field1', accessedBy: ['method1'] },
{ name: 'field2', accessedBy: ['method2'] },
],
};
expect(lcom96b.calculate(classInfo)).toBe(0.5);
});
it('should return 0 for a class with one method', () => {
const classInfo = {
name: 'SingleMethod',
filePath: '/path/to/single.ts',
methods: [{ name: 'method1', accessedFields: ['field1'] }],
fields: [{ name: 'field1', accessedBy: ['method1'] }],
};
expect(lcom96b.calculate(classInfo)).toBe(0);
});
it('should return 0 for a class with no methods', () => {
const classInfo = {
name: 'NoMethods',
filePath: '/path/to/nomethods.ts',
methods: [],
fields: [{ name: 'field1', accessedBy: [] }],
};
expect(lcom96b.calculate(classInfo)).toBe(0);
});
it('should return a value between 0 and 1 for partial cohesion', () => {
// A class with partial cohesion
const classInfo = {
name: 'PartialCohesion',
filePath: '/path/to/partial.ts',
methods: [
{ name: 'method1', accessedFields: ['field1', 'field2'] },
{ name: 'method2', accessedFields: ['field2'] },
{ name: 'method3', accessedFields: ['field3'] },
],
fields: [
{ name: 'field1', accessedBy: ['method1'] },
{ name: 'field2', accessedBy: ['method1', 'method2'] },
{ name: 'field3', accessedBy: ['method3'] },
],
};
const result = lcom96b.calculate(classInfo);
expect(result).toBeGreaterThanOrEqual(0);
expect(result).toBeLessThanOrEqual(1);
});
});
//# sourceMappingURL=lcom.spec.js.map