parser-combinator/src/test/standard/json/jsonparser_test.js

Parser combinators

import stream from '../../../lib/stream/index';
import jsonparser from '../../../lib/standard/json/jsonparser';

/*
  ======== A Handy Little Nodeunit Reference ========
  https://github.com/caolan/nodeunit

  Test methods:
    test.expect(numAssertions)
    test.done()
  Test assertions:
    test.ok(value, [message])
    test.equal(actual, expected, [message])
    test.notEqual(actual, expected, [message])
    test.deepEqual(actual, expected, [message])
    test.notDeepEqual(actual, expected, [message])
    test.strictEqual(actual, expected, [message])
    test.notStrictEqual(actual, expected, [message])
    test.throws(block, [error], [message])
    test.doesNotThrow(block, [error], [message])
    test.ifError(value)
*/

export default {
    setUp: function(done) {
        done();
    },

    'number accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('123')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'string accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('"123"')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'string and unrecognized item rejected': function(test) {
        test.expect(1);
        // tests here
        test.equal(
            jsonparser.parse(stream.ofString('"123" -')).isAccepted(),
            false,
            'should be rejected.'
        );
        test.done();
    },

    'string and unrecognized item rejected with correct offset': function(
        test
    ) {
        test.expect(1);
        // tests here
        var result = jsonparser.parse(stream.ofString('["123", -]'));
        test.equal(result.offset, 7, 'should be 7.');
        test.done();
    },

    'null accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('null')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'true accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('true')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'false accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('false')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'empty array accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('[ ]')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'singleton array accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('[ 123 ]')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'multi element array accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('[ 123 , 234 ]')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'empty object accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('{ }')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'singleton object accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser.parse(stream.ofString('{ "a" : "v" }')).isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'multi element object accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser
                .parse(stream.ofString('{ "a" : "v", "a" : [] }'))
                .isAccepted(),
            'should be accepted.'
        );
        test.done();
    },

    'multi level object accepted': function(test) {
        test.expect(1);
        // tests here
        test.ok(
            jsonparser
                .parse(stream.ofString('{ "a" : "v", "b" : {"c":{"d":12} }}'))
                .isAccepted(),
            'should be accepted.'
        );
        test.done();
    },
};