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node-red/test/_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.
**/
/**
* This test simply checks that for every .js file there exists
* a *_spec.js file under ./test correspondingly.
*/
/**
* Currently we're only checking the core components under ./red
* TODO: Increase the scope of this check
*/
var fs = require("fs");
var should = require("should");
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var path = require('path');
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// Directories to check with .js files and _spec.js files respectively
var jsdir = path.resolve(__dirname, "../red");
var testdir = path.resolve(__dirname, "red");
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var fs = require('fs');
var walkDirectory = function(dir, topdir, done) {
fs.readdir(dir, function(err, list) {
var error;
var errReturned = false;
if (err) {
return done(err);
}
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var i = 0;
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(function next() {
var file = list[i++];
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// return error if there are no more files to check and error has not been previously returned to avoid multiple calls to done()
if (!file) {
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if (!errReturned) {
errReturned = true;
return done(error);
}
} else {
file = path.resolve(dir, file);
fs.stat(file, function(err, stat) {
if (stat && stat.isDirectory()) {
walkDirectory(file, false, function(err) {
if (!error) {
error = err;
}
next();
});
} else {
if (path.extname(file) === ".js") {
var testFile = file.replace(jsdir, testdir).replace(".js", "_spec.js");
fs.exists(testFile, function (exists) {
try {
exists.should.equal(true, testFile + " does not exist");
} catch (err) {
if (!topdir) {
return done(err);
} else {
error = err;
return;
}
}
});
}
next();
}
});
}
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})();
});
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};
describe('_spec.js', function() {
this.timeout(50000); // we might not finish within the Mocha default timeout limit, project will also grow
it('is checking if all .js files have a corresponding _spec.js test file.', function(done) {
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walkDirectory(jsdir, true, done);
});
});