csv-writer/dist/test/write-object-records.test.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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    function verb(n) { return function (v) { return step([n, v]); }; }
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        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
var helper_1 = require("./helper");
var fs_1 = require("fs");
var index_1 = require("../index");
describe('Write object records into CSV', function () {
    var makeFilePath = function (id) { return helper_1.testFilePath("object-" + id); };
    var records = [
        { name: 'Bob', lang: 'French', address: { country: 'France' } },
        { name: 'Mary', lang: 'English' }
    ];
    describe('When only path and header ids are given', function () {
        var filePath = makeFilePath('minimum');
        var writer;
        beforeEach(function () {
            writer = index_1.createObjectCsvWriter({
                path: filePath,
                header: ['name', 'lang']
            });
        });
        it('writes records to a new file', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'Bob,French\nMary,English\n');
                        return [2 /*return*/];
                }
            });
        }); });
        it('appends records when requested to write to the same file', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords([records[0]])];
                    case 1:
                        _a.sent();
                        return [4 /*yield*/, writer.writeRecords([records[1]])];
                    case 2:
                        _a.sent();
                        helper_1.assertFile(filePath, 'Bob,French\nMary,English\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When header ids are given with reverse order', function () {
        var filePath = makeFilePath('column-order');
        var writer = index_1.createObjectCsvWriter({
            path: filePath,
            header: ['lang', 'name']
        });
        it('also writes columns with reverse order', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'French,Bob\nEnglish,Mary\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When field header is given with titles', function () {
        var filePath = makeFilePath('header');
        var writer;
        beforeEach(function () {
            writer = index_1.createObjectCsvWriter({
                path: filePath,
                header: [{ id: 'name', title: 'NAME' }, { id: 'lang', title: 'LANGUAGE' }]
            });
        });
        it('writes a header', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'NAME,LANGUAGE\nBob,French\nMary,English\n');
                        return [2 /*return*/];
                }
            });
        }); });
        it('appends records without headers', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords([records[0]])];
                    case 1:
                        _a.sent();
                        return [4 /*yield*/, writer.writeRecords([records[1]])];
                    case 2:
                        _a.sent();
                        helper_1.assertFile(filePath, 'NAME,LANGUAGE\nBob,French\nMary,English\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When `append` flag is specified', function () {
        var filePath = makeFilePath('append');
        fs_1.writeFileSync(filePath, 'Mike,German\n', 'utf8');
        var writer = index_1.createObjectCsvWriter({
            path: filePath,
            header: ['name', 'lang'],
            append: true
        });
        it('do not overwrite the existing contents and appends records to them', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords([records[1]])];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'Mike,German\nMary,English\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When encoding is specified', function () {
        var filePath = makeFilePath('encoding');
        var writer = index_1.createObjectCsvWriter({
            path: filePath,
            header: ['name', 'lang'],
            encoding: 'utf16le'
        });
        it('writes to a file with the specified encoding', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'Bob,French\nMary,English\n', 'utf16le');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When semicolon is specified as a field delimiter', function () {
        var filePath = makeFilePath('field-delimiter');
        var writer = index_1.createObjectCsvWriter({
            path: filePath,
            header: [{ id: 'name', title: 'NAME' }, { id: 'lang', title: 'LANGUAGE' }],
            fieldDelimiter: ';'
        });
        it('uses semicolon instead of comma to separate fields', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'NAME;LANGUAGE\nBob;French\nMary;English\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When newline is specified', function () {
        var filePath = makeFilePath('newline');
        var writer = index_1.createObjectCsvWriter({
            path: filePath,
            header: ['name', 'lang'],
            recordDelimiter: '\r\n'
        });
        it('writes to a file with the specified newline character', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'Bob,French\r\nMary,English\r\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When `alwaysQuote` flag is set', function () {
        var filePath = makeFilePath('always-quote');
        var writer = index_1.createObjectCsvWriter({
            path: filePath,
            header: [{ id: 'name', title: 'NAME' }, { id: 'lang', title: 'LANGUAGE' }],
            alwaysQuote: true
        });
        it('quotes all fields', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, '"NAME","LANGUAGE"\n"Bob","French"\n"Mary","English"\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
    describe('When `headerIdDelimiter` flag is set', function () {
        var filePath = makeFilePath('nested');
        var writer = index_1.createObjectCsvWriter({
            path: filePath,
            header: [{ id: 'name', title: 'NAME' }, { id: 'address.country', title: 'COUNTRY' }],
            headerIdDelimiter: '.'
        });
        it('breaks keys into key paths', function () { return __awaiter(void 0, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, writer.writeRecords(records)];
                    case 1:
                        _a.sent();
                        helper_1.assertFile(filePath, 'NAME,COUNTRY\nBob,France\nMary,\n');
                        return [2 /*return*/];
                }
            });
        }); });
    });
});
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