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import { queryToPredicate } from '..';
describe( 'consoleDispatcher', () => {
describe( 'queryToPredicate', () => {
test( 'should transform RegExp to arg.type predicate function', () => {
const predicate = queryToPredicate( /^MATCH_ME$/ );
expect( predicate( { type: 'MATCH_ME' } ) ).toBe( true );
expect( predicate( { type: 'DONT_MATCH_ME' } ) ).toBe( false );
} );
test( 'should transform string to arg.type predicate function', () => {
const predicate = queryToPredicate( 'MATCH_ME' );
expect( predicate( { type: 'MATCH_ME' } ) ).toBe( true );
expect( predicate( { type: 'DONT_MATCH_ME' } ) ).toBe( false );
} );
test( 'should return a provided function untouched', () => {
const predicateReturn = {};
const predicate = queryToPredicate( () => predicateReturn );
expect( predicate() ).toBe( predicateReturn );
} );
test( 'should throw an Error if unrecognized query is provided', () => {
expect( () => queryToPredicate() ).toThrow( TypeError );
expect( () => queryToPredicate( 1 ) ).toThrow( TypeError );
expect( () => queryToPredicate( {} ) ).toThrow( TypeError );
} );
} );
} );
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