Move tests to reflect package structure

test/unit/_spec.js

@@ -0,0 +1,87 @@
+/**
+ * Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * 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-extra");
+var should = require("should");
+var path = require('path');
+
+// Directories to check with .js files and _spec.js files respectively
+var rootdir = path.resolve(__dirname, "../..");
+var jsdir = path.resolve(__dirname, "../../packages/node_modules/");
+var testdir = path.resolve(__dirname);
+
+var walkDirectory = function(dir) {
+    var p = fs.readdir(dir);
+    var errors = [];
+    return p.then(function(list) {
+        var promises = [];
+        list.forEach(function(file) {
+            var filePath = path.join(dir,file);
+
+            if (!/@node-red\/(editor-client|nodes)/.test(filePath)) {
+                promises.push(fs.stat(filePath).then(function(stat){
+                    if (stat.isDirectory()) {
+                        return walkDirectory(filePath).then(function(results) {
+                            if (results) {
+                                errors = errors.concat(results);
+                            }
+                        });
+                    } else if (/\.js$/.test(filePath)) {
+                        var testFile = filePath.replace(jsdir, testdir).replace(".js", "_spec.js");
+                        return fs.exists(testFile).then(function(exists) {
+                            if (!exists) {
+                                errors.push(testFile.substring(rootdir.length+1));
+                            } else {
+                                return fs.stat(testFile).then(function(stat) {
+                                    if (stat.size === 0) {
+                                        errors.push("[empty] "+testFile.substring(rootdir.length+1));
+                                    }
+                                })
+                            }
+                        });
+                    }
+                }));
+            }
+        });
+        return Promise.all(promises).then(function() {
+            return errors;
+        })
+    });
+}
+
+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) {
+        walkDirectory(jsdir).then(function(errors) {
+            if (errors.length > 0) {
+                var error = new Error("Missing/empty _spec files:\n\t"+errors.join("\n\t"));
+                done(error);
+            } else {
+                done();
+            }
+        });
+    });
+});