import { assert } from 'chai';
import Enzyme from 'enzyme';
import * as React from 'react';
import CancerSummaryContainer from './CancerSummaryContainer';

describe('CancerSummaryContainer', () => {
    let mockInstance: any;

    beforeEach(() => {
        mockInstance = {
            groupAlterationsBy_userSelection: undefined,

            props: {
                store: {
                    studies: {
                        result: [1, 2],
                    },
                    filteredSamplesExtendedWithClinicalData: {
                        result: [
                            { cancerType: 'colon' },
                            { cancerType: 'brain' },
                        ],
                    },
                },
            },
        };
    });

    describe('#groupAlterationsBy', () => {
        const method: () => any = Object.getOwnPropertyDescriptor(
            CancerSummaryContainer.prototype,
            'groupAlterationsBy'
        )!.get!;

        it('defaults to studyId if there is more than one study', () => {
            assert.equal(
                method.apply(mockInstance),
                'studyId',
                'for > 1 study, defaults to studyId'
            );
        });

        it('defaults to cancerTypeDetailed if there is only one study', () => {
            //mockInstance.groupAlterationsBy_userSelection = "not undefined";
            mockInstance.props.store.studies.result = [1];
            assert.equal(
                method.apply(mockInstance),
                'cancerType',
                'for more than one cancer type'
            );

            // now test if there's only one uniq cancerType
            mockInstance.props.store.filteredSamplesExtendedWithClinicalData.result[1].cancerType =
                'colon';
            assert.equal(
                method.apply(mockInstance),
                'cancerTypeDetailed',
                'one uniq cancer type'
            );
        });

        it('respects user selected groupBy', () => {
            mockInstance.groupAlterationsBy_userSelection = 'cancerType';
            assert.equal(
                method.apply(mockInstance),
                'cancerType',
                'respects user selection'
            );
        });
    });
});