From 20913920310f4b1f4dbbd088f3a29b00f1592fe7 Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@rwth-aachen.de>
Date: Wed, 29 Jun 2016 17:48:56 +0200
Subject: [PATCH] implemented random seed generator, in order to reproduce
tests
---
package.json | 5 +++--
src/SpecHelper.js | 24 ++++++++++++++++++++++++
2 files changed, 27 insertions(+), 2 deletions(-)
diff --git a/package.json b/package.json
index 3ab51ee8..1e34870b 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
},
"homepage": "http://y-js.org",
"devDependencies": {
+ "babel-eslint": "^5.0.0-beta6",
"babel-plugin-transform-runtime": "^6.1.18",
"babel-preset-es2015": "^6.1.18",
"babelify": "^7.2.0",
@@ -69,10 +70,10 @@
"pre-commit": "^1.1.1",
"regenerator": "^0.8.42",
"run-sequence": "^1.1.4",
+ "seedrandom": "^2.4.2",
"standard": "^5.2.2",
"vinyl-buffer": "^1.0.0",
- "vinyl-source-stream": "^1.1.0",
- "babel-eslint": "^5.0.0-beta6"
+ "vinyl-source-stream": "^1.1.0"
},
"dependencies": {}
}
diff --git a/src/SpecHelper.js b/src/SpecHelper.js
index b1a58b42..b014c9d6 100644
--- a/src/SpecHelper.js
+++ b/src/SpecHelper.js
@@ -23,6 +23,29 @@ if (typeof global !== 'undefined') {
}
g.g = g
+// Helper methods for the random number generator
+Math.seedrandom = require('seedrandom')
+
+g.generateRandomSeed = function generateRandomSeed() {
+ var seed
+ if (window.location.hash.length > 1) {
+ seed = window.location.hash.slice(1) // first character is the hash!
+ console.warn('Using random seed that was specified in the url!')
+ } else {
+ seed = JSON.stringify(Math.random())
+ }
+ console.info('Using random seed: ' + seed)
+ setRandomSeed(seed)
+
+}
+
+g.setRandomSeed = function setRandomSeed(seed) {
+ Math.seedrandom.currentSeed = seed
+ Math.seedrandom(Math.seedrandom.currentSeed, { global: true })
+}
+
+g.generateRandomSeed()
+
g.YConcurrency_TestingMode = true
jasmine.DEFAULT_TIMEOUT_INTERVAL = 200000
@@ -86,6 +109,7 @@ function getRandomString () {
g.getRandomString = getRandomString
function * applyTransactions (relAmount, numberOfTransactions, objects, users, transactions, noReconnect) {
+ g.generateRandomSeed() // create a new seed, so we can re-create the behavior
for (var i = 0; i < numberOfTransactions * relAmount + 1; i++) {
var r = Math.random()
if (r > 0.95) {
--
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