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Make Watch node test more reliable

- tidied up some unnecessary code
 - removed the 'size' check as that is highly prone to timing issues
This commit is contained in:
Nick O'Leary 2018-01-13 22:48:35 +00:00
parent 1f40d4f941
commit 8ffabf1813
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@ -14,7 +14,7 @@
* limitations under the License.
**/
var fs = require("fs");
var fs = require("fs-extra");
var path = require("path");
var should = require("should");
var helper = require("../../helper.js");
@ -26,11 +26,6 @@ describe('watch Node', function() {
var resourcesDir = path.join(__dirname,"..","..","..","resources");
var baseDir = path.join(resourcesDir, "23-watch-test-dir");
var dirToWatch = undefined;
var subDirToWatch = undefined;
var file0ToWatch = undefined;
var file1ToWatch = undefined;
var file2ToWatch = undefined;
var count = 0;
function prepareDir() {
@ -41,63 +36,26 @@ describe('watch Node', function() {
file2ToWatch = path.join(subDirToWatch, "file2.txt");
fs.mkdirSync(dirToWatch);
count++;
return {
dirToWatch:dirToWatch,
file0ToWatch:file0ToWatch,
file1ToWatch:file1ToWatch,
subDirToWatch:subDirToWatch,
file2ToWatch:file2ToWatch
}
}
function wait(msec, func) {
setTimeout(func, msec);
}
function rmdir(dir_path, done) {
function collect(dir_path, files, dirs) {
var elems = fs.readdirSync(dir_path);
elems.forEach(function(elem) {
var elem_path = path.join(dir_path, elem);
var stat = fs.lstatSync(elem_path);
if(stat.isDirectory()) {
var r = collect(elem_path, files, dirs);
files = r[0];
dirs = r[1];
} else {
files.push(elem_path);
}
});
dirs.push(dir_path);
return [files, dirs];
}
function seq(func, list, cont) {
if(list.length > 0) {
var elem = list.shift();
func(elem, function(err) {
if(err) {
throw err;
}
seq(func, list, cont);
});
}
else {
cont();
}
}
var r = collect(dir_path, [], []);
var files = r[0];
var dirs = r[1];
seq(fs.unlink, files,
function() {
seq(fs.rmdir, dirs, done);
});
}
before(function(done) {
fs.mkdirSync(baseDir);
fs.ensureDirSync(baseDir);
done();
});
after(function(done) {
rmdir(baseDir, done);
});
beforeEach(function(done) {
prepareDir();
fs.removeSync(baseDir);
done();
});
@ -114,27 +72,32 @@ describe('watch Node', function() {
var count = 0;
var len = Object.keys(results).length;
n2.on("input", function(msg) {
msg.should.have.property('file');
try {
// console.log(msg);
msg.should.have.property('file');
var file = msg.file;
if(file in processed) {
// multiple messages come in rare case
return;
}
processed[file] = true;
(file in results).should.be.true;
var file = msg.file;
if (file in processed) {
// multiple messages come in rare case
return;
}
processed[file] = true;
(file in results).should.be.true();
var result = results[file];
msg.should.have.property('payload', result.payload);
msg.should.have.property('type', result.type);
if('size' in result) {
msg.should.have.property('size', result.size);
}
count++;
if(count === len) {
n1.close();
// wait for close
wait(500, done);
var result = results[file];
msg.should.have.property('payload', result.payload);
msg.should.have.property('type', result.type);
if('size' in result) {
msg.should.have.property('size', result.size);
}
count++;
if(count === len) {
n1.close();
// wait for close
wait(100, done);
}
}catch(err) {
done(err);
}
});
// wait for preparation
@ -143,106 +106,116 @@ describe('watch Node', function() {
}
it('should watch a file to be changed', function(done) {
fs.writeFileSync(file0ToWatch, '');
var files = prepareDir();
fs.writeFileSync(files.file0ToWatch, '');
var flow = [{id:"n1", type:"watch", name: "watch",
files: file0ToWatch, recursive: false,
files: files.file0ToWatch, recursive: false,
wires:[["n2"]]},
{id:"n2", type:"helper"}];
var results = {
'file0.txt' : {
'payload' : file0ToWatch,
'topic': file0ToWatch,
'payload' : files.file0ToWatch,
'topic': files.file0ToWatch,
'type': 'file',
'size': 5
}
};
testWatch(flow, function() {
fs.appendFileSync(file0ToWatch, "ABCDE");
fs.appendFileSync(files.file0ToWatch, "ABCDE");
}, results, done);
});
it('should watch multiple files to be changed', function(done) {
fs.writeFileSync(file0ToWatch, '');
fs.writeFileSync(file1ToWatch, '');
var files = file0ToWatch +","+file1ToWatch;
var files = prepareDir();
fs.writeFileSync(files.file0ToWatch, '');
fs.writeFileSync(files.file1ToWatch, '');
var flow = [{id:"n1", type:"watch", name: "watch",
files: files, recursive: false,
files: files.file0ToWatch +","+files.file1ToWatch, recursive: false,
wires:[["n2"]]},
{id:"n2", type:"helper"}];
var results = {
'file0.txt' : {
'payload' : file0ToWatch,
'topic': file0ToWatch,
'type': 'file',
'size': 5
'payload' : files.file0ToWatch,
'topic': files.file0ToWatch,
'type': 'file'//,
// 'size': 5
},
'file1.txt' : {
'payload' : file1ToWatch,
'topic': file1ToWatch,
'type': 'file',
'size': 3
'payload' : files.file1ToWatch,
'topic': files.file1ToWatch,
'type': 'file'//,
// 'size': 3
}
};
testWatch(flow, function() {
fs.appendFileSync(file0ToWatch, "ABCDE");
fs.appendFileSync(file1ToWatch, "123");
fs.appendFileSync(files.file0ToWatch, "ABCDE");
fs.appendFileSync(files.file1ToWatch, "123");
}, results, done);
});
it('should watch attribute of a file to be changed', function(done) {
fs.writeFileSync(file0ToWatch, '');
fs.chmodSync(file0ToWatch, 0o444);
var files = prepareDir();
fs.writeFileSync(files.file0ToWatch, '');
fs.chmodSync(files.file0ToWatch, 0o444);
var flow = [{id:"n1", type:"watch", name: "watch",
files: file0ToWatch, recursive: false,
files: files.file0ToWatch, recursive: false,
wires:[["n2"]]},
{id:"n2", type:"helper"}];
var results = {
'file0.txt' : {
'payload' : file0ToWatch,
'topic': file0ToWatch,
'type': 'file',
'size': 0
'payload' : files.file0ToWatch,
'topic': files.file0ToWatch,
'type': 'file'//,
// 'size': 0
}
};
testWatch(flow, function() {
fs.chmodSync(file0ToWatch, 0o777);
fs.chmodSync(files.file0ToWatch, 0o777);
}, results, done);
});
it('should watch a file in a directory to be changed', function(done) {
fs.writeFileSync(file0ToWatch, '');
var files = prepareDir();
fs.writeFileSync(files.file0ToWatch, '');
var flow = [{id:"n1", type:"watch", name: "watch",
files: dirToWatch, recursive: true,
files: files.dirToWatch, recursive: true,
wires:[["n2"]]},
{id:"n2", type:"helper"}];
var results = {
'file0.txt' : {
'payload' : file0ToWatch,
'topic': file0ToWatch,
'type': 'file',
'size': 5
'payload' : files.file0ToWatch,
'topic': files.file0ToWatch,
'type': 'file'//,
// 'size': 5
}
};
testWatch(flow, function() {
fs.appendFileSync(file0ToWatch, "ABCDE");
fs.appendFileSync(files.file0ToWatch, "ABCDE");
}, results, done);
});
it('should watch a sub directory in a directory to be changed', function(done) {
fs.mkdirSync(subDirToWatch);
var files = prepareDir();
fs.mkdirSync(files.subDirToWatch);
var flow = [{id:"n1", type:"watch", name: "watch",
files: dirToWatch, recursive: true,
files: files.dirToWatch, recursive: true,
wires:[["n2"]]},
{id:"n2", type:"helper"}];
var results = {
'subdir': {
payload: files.subDirToWatch,
topic: files.dirToWatch,
file: 'subdir',
type: 'directory'
},
'file2.txt': {
payload: file2ToWatch,
type: 'file',
size: 5
payload: files.file2ToWatch,
type: 'file'//,
// size: 5
}
};
testWatch(flow, function() {
fs.appendFileSync(file2ToWatch, "ABCDE");
fs.appendFileSync(files.file2ToWatch, "ABCDE");
}, results, done);
});