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test-runner.js

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+/*
+*
+*
+*
+*
+*
+*
+*
+*
+*
+*
+*
+*       DO NOT EDIT THIS FILE
+*       For FCC testing purposes!
+*
+*
+*
+*
+*
+*
+*
+*
+*
+*
+*
+*/
+
+const analyser = require('./assertion-analyser');
+const EventEmitter = require('events').EventEmitter;
+
+const Mocha = require('mocha'),
+    fs = require('fs'),
+    path = require('path');
+require("@babel/register");
+
+const mocha = new Mocha({ timeout: 5000 });
+const testDir = './tests'
+
+
+// Add each .js file to the mocha instance
+fs.readdirSync(testDir).filter(function (file) {
+    // Only keep the .js files
+    return file.substr(-3) === '.js';
+
+}).forEach(function (file) {
+    mocha.addFile(
+        path.join(testDir, file)
+    );
+});
+
+let emitter = new EventEmitter();
+emitter.run = function () {
+
+    let tests = [];
+    let context = "";
+    let separator = ' -> ';
+    // Run the tests.
+    try {
+        let runner = mocha.ui('tdd').run()
+            .on('test end', function (test) {
+                // remove comments
+                let body = test.body.replace(/\/\/.*\n|\/\*.*\*\//g, '');
+                // collapse spaces
+                body = body.replace(/\s+/g, ' ');
+                let obj = {
+                    title: test.title,
+                    context: context.slice(0, -separator.length),
+                    state: test.state,
+                    // body: body,
+                    assertions: analyser(body)
+                };
+                tests.push(obj);
+            })
+            .on('end', function () {
+                emitter.report = tests;
+                emitter.emit('done', tests)
+            })
+            .on('suite', function (s) {
+                context += (s.title + separator);
+
+            })
+            .on('suite end', function (s) {
+                context = context.slice(0, -(s.title.length + separator.length))
+            })
+    } catch (e) {
+        throw (e);
+    }
+};
+
+module.exports = emitter;
+
+/*
+ * Mocha.runner Events:
+ * can be used to build a better custom report
+ *
+ *   - `start`  execution started
+ *   - `end`  execution complete
+ *   - `suite`  (suite) test suite execution started
+ *   - `suite end`  (suite) all tests (and sub-suites) have finished
+ *   - `test`  (test) test execution started
+ *   - `test end`  (test) test completed
+ *   - `hook`  (hook) hook execution started
+ *   - `hook end`  (hook) hook complete
+ *   - `pass`  (test) test passed
+ *   - `fail`  (test, err) test failed
+ *   - `pending`  (test) test pending
+ */