import { getHttpOperationsFromSpec } from '../../operations';

describe('getHttpOperationsFromSpec()', () => {
  describe('ref resolving fails', () => {
    it('fails with exception', () => {
      return expect(
        getHttpOperationsFromSpec({
          openapi: '3.0.0',
          paths: { $ref: 'abc://' },
        })
      ).rejects.toThrow('Unable to resolve $ref pointer "abc://"');
    });

    it('deduplicates similar errors', () => {
      return expect(
        getHttpOperationsFromSpec({
          openapi: '3.0.0',
          paths: { $ref: 'abc://' },
          definitions: { $ref: 'abc://' },
        })
      ).rejects.toThrow('Unable to resolve $ref pointer "abc://"');
    });
  });

  describe('ref resolving succeeds', () => {
    describe('OpenAPI 2 document is provided', () => {
      it('detects it properly', () => {
        return expect(getHttpOperationsFromSpec({ swagger: '2.0' })).resolves.toBeTruthy();
      });
    });

    describe('OpenAPI 3 document is provided', () => {
      it('detects it properly', () => {
        return expect(getHttpOperationsFromSpec({ openapi: '3.0.0' })).resolves.toBeTruthy();
      });

      it('returns correct HttpOperation', () => {
        return expect(
          getHttpOperationsFromSpec({
            openapi: '3.0.0',
            paths: {
              '/pet': { get: { responses: { 200: { description: 'test' } } } },
            },
          })
        ).resolves.toEqual([
          expect.objectContaining({
            method: 'get',
            path: '/pet',
            responses: [
              {
                id: expect.any(String),
                code: '200',
                contents: [],
                description: 'test',
                headers: [],
              },
            ],
          }),
        ]);
      });
    });

    describe('Postman Collection document is provided', () => {
      it('detects it properly', () => {
        return expect(getHttpOperationsFromSpec({ info: { name: 'Test' }, item: [] })).resolves.toBeTruthy();
      });
    });

    describe('unknown document is provided', () => {
      it('throws error', () => {
        return expect(getHttpOperationsFromSpec({})).rejects.toThrow(/^Unsupported document format$/);
      });
    });
  });
});