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-rw-r--r--dgbuilder/test/nodes/core/storage/28-tail_spec.js165
1 files changed, 0 insertions, 165 deletions
diff --git a/dgbuilder/test/nodes/core/storage/28-tail_spec.js b/dgbuilder/test/nodes/core/storage/28-tail_spec.js
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--- a/dgbuilder/test/nodes/core/storage/28-tail_spec.js
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-/**
- * Copyright 2014 IBM Corp.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- **/
-
-var should = require("should");
-var path = require('path');
-var fs = require('fs-extra');
-var mkdirp = require('mkdirp');
-
-var tailNode = require("../../../../nodes/core/storage/28-tail.js");
-var helper = require("../../helper.js");
-
-describe('TailNode', function() {
-
- var resourcesDir = path.join(__dirname,"..","..","..","resources");
- var fileToTail = path.join(resourcesDir,"28-tail-test-file.txt");
-
- beforeEach(function(done) {
- fs.writeFileSync(fileToTail, "Tail message line 1\nTail message line 2\n");
- helper.startServer(done);
- });
-
- afterEach(function(done) {
- helper.unload().then(function() {
- fs.unlinkSync(fileToTail);
- helper.stopServer(done);
- });
- });
-
- it('should be loaded', function(done) {
- var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail}];
- helper.load(tailNode, flow, function() {
- var tailNode1 = helper.getNode("tailNode1");
- tailNode1.should.have.property('name', 'tailNode');
- done();
- });
- });
-
- it('tail should tail a file', function(done) {
- var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail, "wires":[["helperNode1"]]},
- {id:"helperNode1", type:"helper", wires:[]}];
- helper.load(tailNode, flow, function() {
- var tailNode1 = helper.getNode("tailNode1");
- var helperNode1 = helper.getNode("helperNode1");
- var inputCounter = 0;
- helperNode1.on("input", function(msg) {
- //console.log(msg);
- msg.should.have.property('topic', fileToTail);
- msg.payload.should.equal("Tail message line " + (++inputCounter + 2));
- if (inputCounter === 2) {
- done();
- }
- });
- setTimeout( function() {
- fs.appendFileSync(fileToTail, "Tail message line 3\n");
- fs.appendFileSync(fileToTail, "Tail message line 4\n");
- },100);
- });
- });
-
- it('tail should work in non-split mode', function(done) {
- var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":false, "filename":fileToTail, "wires":[["helperNode1"]]},
- {id:"helperNode1", type:"helper", wires:[]}];
- helper.load(tailNode, flow, function() {
- var tailNode1 = helper.getNode("tailNode1");
- var helperNode1 = helper.getNode("helperNode1");
- helperNode1.on("input", function(msg) {
- //console.log(msg);
- msg.should.have.property('topic', fileToTail);
- msg.payload.should.equal("Tail message line 5\nTail message line 6\n");
- done();
- });
- setTimeout( function() {
- fs.appendFileSync(fileToTail, "Tail message line 5\nTail message line 6\n");
- },150);
- });
- });
-
- it('tail should handle a non-existent file', function(done) {
- fs.unlinkSync(fileToTail);
- var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail, "wires":[["helperNode1"]]},
- {id:"helperNode1", type:"helper", wires:[]}];
- helper.load(tailNode, flow, function() {
- var tailNode1 = helper.getNode("tailNode1");
- var helperNode1 = helper.getNode("helperNode1");
- helperNode1.on("input", function(msg) {
- msg.should.have.property('topic', fileToTail);
- msg.payload.should.equal("Tail message line");
- done();
- });
- setTimeout( function() {
- fs.writeFileSync(fileToTail, "Tail message line\n");
- },150);
- });
- });
- /*
- it('tail should handle file truncation', function(done) {
- var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail, "wires":[["helperNode1"]]},
- {id:"helperNode1", type:"helper", wires:[]}];
- helper.load(tailNode, flow, function() {
- var tailNode1 = helper.getNode("tailNode1");
- var helperNode1 = helper.getNode("helperNode1");
- var inputCounter = 0;
- var warned = false;
- tailNode1.on("log", function(msg) {
- if (msg.level == "warn") { warned = true; }
- });
- helperNode1.on("input", function(msg) {
- console.log("inputCounter =",inputCounter);
- console.log(msg);
- msg.should.have.property('topic', fileToTail);
- inputCounter++;
- if (inputCounter === 1) {
- warned.should.be.false;
- msg.payload.should.equal("Tail message line append");
- } else if (inputCounter === 2) {
- msg.payload.should.equal("Tail message line truncate");
- } else {
- msg.payload.should.equal("Tail message line append "+inputCounter);
- }
-
- if (inputCounter === 5) {
- setTimeout(function() {
- warned.should.be.true;
- done();
- },100);
- }
- });
- var actions = [
- function() { fs.appendFileSync(fileToTail, "Tail message line append\n");},
- function() { fs.writeFileSync(fileToTail, "Tail message line truncate\n");},
- function() { fs.appendFileSync(fileToTail, "Tail message line append 3\n");},
- function() { fs.appendFileSync(fileToTail, "Tail message line append 4\n");},
- function() { fs.appendFileSync(fileToTail, "Tail message line append 5\n");}
- ];
-
- function processAction() {
- var action = actions.shift();
- action();
- if (actions.length > 0) {
- setTimeout(function() {
- processAction();
- },250);
- }
- }
- setTimeout( function() {
- processAction();
- },150);
- });
- });
- */
-
-});