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Update tail node tests to use resource file

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This commit is contained in:
Nick O'Leary 2014-08-07 14:55:34 +01:00
parent fde77cec5d
commit 43ad8706aa
3 changed files with 17 additions and 32 deletions
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15
nodes/core/storage/28-tail.js
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@ -27,20 +27,27 @@ module.exports = function(RED) {
var node = this;
var err = "";
// TODO: rewrite to use node-tail
var tail = spawn("tail", ["-F", this.filename]);
tail.stdout.on("data", function (data) {
var msg = {topic:node.filename};
if (node.split) {
// TODO: allow customisation of the line break - as we do elsewhere
var strings = data.toString().split("\n");
for (var s in strings) {
//TODO: should we really filter blanks? Is that expected?
if (strings[s] !== "") {
msg.payload = strings[s];
node.send(msg);
node.send({
topic: node.filename,
payload: strings[s]
});
}
}
}
else {
msg.payload = data.toString();
var msg = {
topic:node.filename,
payload: data.toString()
};
node.send(msg);
}
});

32
test/nodes/core/storage/28-tail_spec.js
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@ -24,41 +24,16 @@ var helper = require("../../helper.js");
describe('TailNode', function() {
var tempDir = path.join(__dirname, ".tmp");
var fileToTail = path.join(tempDir, "tailMe.txt");
// function which writes to the file creating all missing directories
function writeFile(path, contents) {
mkdirp(tempDir, function(err) {
if(err) {
return err;
}
try {
fs.writeFileSync(path, contents, 'utf8');
} catch (error) {
console.log("Unexpected error writing file: " +error.message);
return error;
}
});
}
var resourcesDir = path.join(__dirname,"..","..","..","resources");
var fileToTail = path.join(resourcesDir,"28-tail-test-file.txt");
beforeEach(function(done) {
writeFile(fileToTail, "Tail message line1\nTail message line2\n");
helper.startServer(done);
});
afterEach(function(done) {
helper.unload();
fs.remove(tempDir, function(err) {
if (err) {
console.log("error occurred removing " + tempDir + ": " +err);
return err;
}
fs.exists(tempDir, function(exists) {
exists.should.be.false;
helper.stopServer(done);
});
});
helper.stopServer(done);
});
it('should be loaded', function(done) {
@ -78,6 +53,7 @@ describe('TailNode', function() {
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));
if(inputCounter === 2) {

2
test/resources/28-tail-test-file.txt Normal file
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@ -0,0 +1,2 @@
Tail message line1
Tail message line2