mirror of
https://github.com/node-red/node-red.git
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674 lines
30 KiB
JavaScript
674 lines
30 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var should = require("should");
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var path = require('path');
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var fs = require('fs-extra');
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var os = require('os');
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var sinon = require("sinon");
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var fileNode = require("../../../../nodes/core/storage/50-file.js");
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var helper = require("node-red-node-test-helper");
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describe('file Nodes', function() {
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describe('file out Node', function() {
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var resourcesDir = path.join(__dirname,"..","..","..","resources");
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var fileToTest = path.join(resourcesDir,"50-file-test-file.txt");
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var wait = 250;
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beforeEach(function(done) {
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//fs.writeFileSync(fileToTest, "File message line 1\File message line 2\n");
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helper.startServer(done);
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});
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afterEach(function(done) {
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fs.removeSync(path.join(resourcesDir,"file-out-node"));
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helper.unload().then(function() {
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//fs.unlinkSync(fileToTest);
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helper.stopServer(done);
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});
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});
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it('should be loaded', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":true, "overwriteFile":true}];
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helper.load(fileNode, flow, function() {
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var fileNode1 = helper.getNode("fileNode1");
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fileNode1.should.have.property('name', 'fileNode');
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done();
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});
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});
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it('should write to a file', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":false, "overwriteFile":true}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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n1.emit("input", {payload:"test"});
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setTimeout(function() {
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var f = fs.readFileSync(fileToTest);
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f.should.have.length(4);
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fs.unlinkSync(fileToTest);
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done();
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},wait);
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});
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});
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it('should append to a file and add newline', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":true, "overwriteFile":false}];
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try {
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fs.unlinkSync(fileToTest);
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}catch(err) {}
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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n1.emit("input", {payload:"test2"}); // string
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setTimeout(function() {
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n1.emit("input", {payload:true}); // boolean
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},30);
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setTimeout(function() {
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n1.emit("input", {payload:999}); // number
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},60);
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setTimeout(function() {
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n1.emit("input", {payload:[2]}); // object (array)
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},90);
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setTimeout(function() {
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var f = fs.readFileSync(fileToTest).toString();
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if (os.type() !== "Windows_NT") {
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f.should.have.length(19);
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f.should.equal("test2\ntrue\n999\n[2]\n");
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}
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else {
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f.should.have.length(23);
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f.should.equal("test2\r\ntrue\r\n999\r\n[2]\r\n");
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}
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done();
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},wait);
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});
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});
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it('should append to a file after it has been deleted ', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":false, "overwriteFile":false}];
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try {
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fs.unlinkSync(fileToTest);
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} catch(err) {}
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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// Send two messages to the file
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n1.emit("input", {payload:"one"});
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n1.emit("input", {payload:"two"});
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setTimeout(function() {
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try {
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// Check they got appended as expected
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var f = fs.readFileSync(fileToTest).toString();
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f.should.equal("onetwo");
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// Delete the file
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fs.unlinkSync(fileToTest);
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// Send two more messages to the file
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n1.emit("input", {payload:"three"});
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n1.emit("input", {payload:"four"});
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setTimeout(function() {
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// Check the file was updated
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try {
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var f = fs.readFileSync(fileToTest).toString();
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f.should.equal("threefour");
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fs.unlinkSync(fileToTest);
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done();
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} catch(err) {
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done(err);
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}
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},wait);
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} catch(err) {
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done(err);
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}
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},wait);
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});
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});
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it('should append to a file after it has been recreated ', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":false, "overwriteFile":false}];
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try {
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fs.unlinkSync(fileToTest);
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} catch(err) {}
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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// Send two messages to the file
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n1.emit("input", {payload:"one"});
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n1.emit("input", {payload:"two"});
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setTimeout(function() {
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try {
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// Check they got appended as expected
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var f = fs.readFileSync(fileToTest).toString();
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f.should.equal("onetwo");
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if (os.type() === "Windows_NT") {
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var dummyFile = path.join(resourcesDir,"50-file-test-dummy.txt");
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fs.rename(fileToTest, dummyFile, function() {
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recreateTest(n1, dummyFile);
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});
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} else {
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recreateTest(n1, fileToTest);
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}
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} catch(err) {
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done(err);
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}
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},wait);
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});
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function recreateTest(n1, fileToDelete) {
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// Delete the file
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fs.unlinkSync(fileToDelete);
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// Recreate it
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fs.writeFileSync(fileToTest,"");
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// Send two more messages to the file
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n1.emit("input", {payload:"three"});
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n1.emit("input", {payload:"four"});
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setTimeout(function() {
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// Check the file was updated
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try {
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var f = fs.readFileSync(fileToTest).toString();
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f.should.equal("threefour");
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fs.unlinkSync(fileToTest);
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done();
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} catch(err) {
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done(err);
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}
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},wait);
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}
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});
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it('should use msg.filename if filename not set in node', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "appendNewline":true, "overwriteFile":true}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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n1.emit("input", {payload:"fine", filename:fileToTest});
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setTimeout(function() {
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var f = fs.readFileSync(fileToTest).toString();
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if (os.type() !== "Windows_NT") {
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f.should.have.length(5);
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f.should.equal("fine\n");
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}
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else {
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f.should.have.length(6);
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f.should.equal("fine\r\n");
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}
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done();
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},wait);
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});
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});
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it('should be able to delete the file', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":false, "overwriteFile":"delete"}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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n1.emit("input", {payload:"fine"});
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setTimeout(function() {
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try {
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var f = fs.readFileSync(fileToTest).toString();
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f.should.not.equal("fine");
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//done();
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}
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catch(e) {
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e.code.should.equal("ENOENT");
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done();
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}
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},wait);
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});
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});
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it('should warn if filename not set', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "appendNewline":true, "overwriteFile":false}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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n1.emit("input", {payload:"nofile"});
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setTimeout(function() {
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try {
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var f = fs.readFileSync(fileToTest).toString();
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f.should.not.equal("fine");
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//done();
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}
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catch(e) {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.equal("file.errors.nofilename");
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done();
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}
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},wait);
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});
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});
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it('ignore a missing payload', function(done) {
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":true, "overwriteFile":false}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var f = fs.readFileSync(fileToTest).toString();
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f.should.not.equal("fine");
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//done();
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}
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catch(e) {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(0);
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done();
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}
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},wait);
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n1.emit("input", {topic:"test"});
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});
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});
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it('should fail to write to a ro file', function(done) {
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// Stub file write so we can make writes fail
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var spy = sinon.stub(fs, 'createWriteStream', function(arg1,arg2) {
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var ws = {};
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ws.on = function(e,d) { throw("Stub error message"); }
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ws.write = function(e,d) { }
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return ws;
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});
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":false, "overwriteFile":true}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("Stub error message");
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done();
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}
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catch(e) { done(e); }
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finally { fs.createWriteStream.restore(); }
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},wait);
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n1.receive({payload:"test"});
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});
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});
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it('should fail to append to a ro file', function(done) {
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// Stub file write so we can make writes fail
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var spy = sinon.stub(fs, 'createWriteStream', function(arg1,arg2) {
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var ws = {};
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ws.on = function(e,d) { throw("Stub error message"); }
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ws.write = function(e,d) { }
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return ws;
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});
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":true, "overwriteFile":false}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("Stub error message");
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done();
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}
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catch(e) { done(e); }
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finally { fs.createWriteStream.restore(); }
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},wait);
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n1.receive({payload:"test2"});
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});
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});
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it('should cope with failing to delete a file', function(done) {
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// Stub file write so we can make writes fail
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var spy = sinon.stub(fs, 'unlink', function(arg,arg2) { arg2(new Error("Stub error message")); });
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest, "appendNewline":true, "overwriteFile":"delete"}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("file.errors.deletefail");
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done();
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}
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catch(e) { done(e); }
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finally { fs.unlink.restore(); }
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},wait);
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n1.receive({payload:"test2"});
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});
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});
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it('should fail to create a new directory if not asked to do so (append)', function(done) {
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// Stub file write so we can make writes fail
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var fileToTest2 = path.join(resourcesDir,"file-out-node","50-file-test-file.txt");
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//var spy = sinon.stub(fs, 'appendFile', function(arg,arg2,arg3,arg4){ arg4(new Error("Stub error message")); });
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest2, "appendNewline":true, "overwriteFile":false}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("file.errors.appendfail");
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done();
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}
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catch(e) { done(e); }
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//finally { fs.appendFile.restore(); }
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},wait);
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n1.receive({payload:"test2"});
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});
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});
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it('should try to create a new directory if asked to do so (append)', function(done) {
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// Stub file write so we can make writes fail
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var fileToTest2 = path.join(resourcesDir,"file-out-node","50-file-test-file.txt");
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var spy = sinon.stub(fs, "ensureDir", function(arg1,arg2,arg3,arg4) { arg2(null); });
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest2, "appendNewline":true, "overwriteFile":false, "createDir":true}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(0);
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done();
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}
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catch(e) { done(e); }
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finally { fs.ensureDir.restore(); }
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},wait);
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n1.receive({payload:"test2"});
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});
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});
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it('should fail to create a new directory if not asked to do so (overwrite)', function(done) {
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// Stub file write so we can make writes fail
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var fileToTest2 = path.join(resourcesDir,"file-out-node","50-file-test-file.txt");
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//var spy = sinon.stub(fs, 'appendFile', function(arg,arg2,arg3,arg4){ arg4(new Error("Stub error message")); });
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest2, "appendNewline":false, "overwriteFile":true}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("file.errors.writefail");
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done();
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}
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catch(e) { done(e); }
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//finally { fs.appendFile.restore(); }
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},wait);
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n1.receive({payload:"test2"});
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});
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});
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it('should try to create a new directory if asked to do so (overwrite)', function(done) {
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// Stub file write so we can make writes fail
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var fileToTest2 = path.join(resourcesDir,"file-out-node","50-file-test-file.txt");
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var spy = sinon.stub(fs, "ensureDir", function(arg1,arg2,arg3,arg4) { arg2(null); });
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var flow = [{id:"fileNode1", type:"file", name: "fileNode", "filename":fileToTest2, "appendNewline":true, "overwriteFile":true, "createDir":true}];
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helper.load(fileNode, flow, function() {
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var n1 = helper.getNode("fileNode1");
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "file";
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});
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//console.log(logEvents);
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logEvents.should.have.length(0);
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done();
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}
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catch(e) { done(e); }
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finally { fs.ensureDir.restore(); }
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},wait);
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n1.receive({payload:"test2"});
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});
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});
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});
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describe('file in Node', function() {
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var resourcesDir = path.join(__dirname,"..","..","..","resources");
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var fileToTest = path.join(resourcesDir,"50-file-test-file.txt");
|
|
var wait = 150;
|
|
|
|
beforeEach(function(done) {
|
|
fs.writeFileSync(fileToTest, "File message line 1\nFile message line 2\n");
|
|
helper.startServer(done);
|
|
});
|
|
|
|
afterEach(function(done) {
|
|
helper.unload().then(function() {
|
|
fs.unlinkSync(fileToTest);
|
|
helper.stopServer(done);
|
|
});
|
|
});
|
|
|
|
it('should be loaded', function(done) {
|
|
var flow = [{id:"fileInNode1", type:"file in", name: "fileInNode", "filename":fileToTest, "format":"utf8"}];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
n1.should.have.property('name', 'fileInNode');
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('should read in a file and output a buffer', function(done) {
|
|
var flow = [{id:"fileInNode1", type:"file in", name:"fileInNode", "filename":fileToTest, "format":"", wires:[["n2"]]},
|
|
{id:"n2", type:"helper"}];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
var n2 = helper.getNode("n2");
|
|
n2.on("input", function(msg) {
|
|
msg.should.have.property('payload');
|
|
Buffer.isBuffer(msg.payload).should.be.true();
|
|
msg.payload.should.have.length(40);
|
|
msg.payload.toString().should.equal('File message line 1\nFile message line 2\n');
|
|
done();
|
|
});
|
|
n1.receive({payload:""});
|
|
});
|
|
});
|
|
|
|
it('should read in a file and output a utf8 string', function(done) {
|
|
var flow = [{id:"fileInNode1", type:"file in", name: "fileInNode", "filename":fileToTest, "format":"utf8", wires:[["n2"]]},
|
|
{id:"n2", type:"helper"}];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
var n2 = helper.getNode("n2");
|
|
n2.on("input", function(msg) {
|
|
try {
|
|
msg.should.have.property('payload');
|
|
msg.payload.should.be.a.String();
|
|
msg.payload.should.have.length(40)
|
|
msg.payload.should.equal("File message line 1\nFile message line 2\n");
|
|
done();
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
n1.receive({payload:""});
|
|
});
|
|
});
|
|
|
|
it('should read in a file and output split lines with parts', function(done) {
|
|
var flow = [{id:"fileInNode1", type:"file in", name: "fileInNode", filename:fileToTest, format:"lines", wires:[["n2"]]},
|
|
{id:"n2", type:"helper"}];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
var n2 = helper.getNode("n2");
|
|
var c = 0;
|
|
n2.on("input", function(msg) {
|
|
try {
|
|
msg.should.have.property('payload');
|
|
msg.payload.should.be.a.String();
|
|
msg.should.have.property('parts');
|
|
msg.parts.should.have.property('index',c);
|
|
msg.parts.should.have.property('type','string');
|
|
msg.parts.should.have.property('ch','\n');
|
|
if (c === 0) {
|
|
msg.payload.should.equal("File message line 1");
|
|
}
|
|
if (c === 1) {
|
|
msg.payload.should.equal("File message line 2");
|
|
}
|
|
if (c === 2) {
|
|
msg.payload.should.equal("");
|
|
done();
|
|
}
|
|
c++;
|
|
}
|
|
catch(e) {
|
|
done(e);
|
|
}
|
|
});
|
|
n1.receive({payload:""});
|
|
});
|
|
});
|
|
|
|
it('should read in a file with empty line and output split lines with parts', function(done) {
|
|
var data = ["-", "", "-", ""];
|
|
var line = data.join("\n");
|
|
fs.writeFileSync(fileToTest, line);
|
|
var flow = [{id:"fileInNode1", type:"file in", name: "fileInNode", filename:fileToTest, format:"lines", wires:[["n2"]]},
|
|
{id:"n2", type:"helper"}];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
var n2 = helper.getNode("n2");
|
|
var c = 0;
|
|
n2.on("input", function(msg) {
|
|
try {
|
|
msg.should.have.property('payload');
|
|
msg.payload.should.equal(data[c]);
|
|
msg.should.have.property('parts');
|
|
var parts = msg.parts;
|
|
parts.should.have.property('index',c);
|
|
parts.should.have.property('type','string');
|
|
parts.should.have.property('ch','\n');
|
|
c++;
|
|
if (c === data.length) {
|
|
parts.should.have.property('count', data.length);
|
|
done();
|
|
}
|
|
else {
|
|
parts.should.not.have.property('count');
|
|
}
|
|
}
|
|
catch(e) {
|
|
done(e);
|
|
}
|
|
});
|
|
n1.receive({payload:""});
|
|
});
|
|
});
|
|
|
|
it('should read in a file and output a buffer with parts', function(done) {
|
|
var flow = [{id:"fileInNode1", type:"file in", name: "fileInNode", filename:fileToTest, format:"stream", wires:[["n2"]]},
|
|
{id:"n2", type:"helper"}];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
var n2 = helper.getNode("n2");
|
|
n2.on("input", function(msg) {
|
|
msg.should.have.property('payload');
|
|
Buffer.isBuffer(msg.payload).should.be.true();
|
|
msg.payload.should.have.length(40);
|
|
msg.should.have.property('parts');
|
|
msg.parts.should.have.property('count',1);
|
|
msg.parts.should.have.property('type','buffer');
|
|
msg.parts.should.have.property('ch','');
|
|
done();
|
|
});
|
|
n1.receive({payload:""});
|
|
});
|
|
});
|
|
|
|
it('should warn if no filename set', function(done) {
|
|
var flow = [{id:"fileInNode1", type:"file in", name: "fileInNode", "format":""}];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
setTimeout(function() {
|
|
var logEvents = helper.log().args.filter(function(evt) {
|
|
return evt[0].type == "file in";
|
|
});
|
|
logEvents.should.have.length(1);
|
|
logEvents[0][0].should.have.a.property('msg');
|
|
logEvents[0][0].msg.toString().should.equal("file.errors.nofilename");
|
|
done();
|
|
},wait);
|
|
n1.receive({});
|
|
});
|
|
});
|
|
|
|
it('should handle a file read error', function(done) {
|
|
var flow = [{id:"fileInNode1", type:"file in", name: "fileInNode", "filename":"badfile", "format":"", wires:[["n2"]]},
|
|
{id:"n2", type:"helper"}
|
|
];
|
|
helper.load(fileNode, flow, function() {
|
|
var n1 = helper.getNode("fileInNode1");
|
|
var n2 = helper.getNode("n2");
|
|
|
|
n2.on("input", function(msg) {
|
|
try {
|
|
msg.should.not.have.property('payload');
|
|
msg.should.have.property("error");
|
|
msg.error.should.have.property("code","ENOENT");
|
|
var logEvents = helper.log().args.filter(function(evt) {
|
|
return evt[0].type == "file in";
|
|
});
|
|
logEvents.should.have.length(1);
|
|
logEvents[0][0].should.have.a.property('msg');
|
|
logEvents[0][0].msg.toString().should.startWith("Error");
|
|
done();
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
n1.receive({payload:""});
|
|
});
|
|
});
|
|
});
|
|
});
|