Added new testAPI:browser command, karma dependencies, initial test s…

…etup and CI job

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2
 defaults: &defaults
   working_directory: ~/project/ethereumjs-vm
   docker:
-    - image: circleci/node:8
+    - image: circleci/node:8-browsers
 restore_node_modules: &restore_node_modules
   restore_cache:
     name: Restore node_modules cache
@@ -46,6 +46,15 @@ jobs:
       - run:
           name: testAPI
           command: npm run testAPI
+  test_api_browser:
+    <<: *defaults
+    steps:
+      - attach_workspace:
+          at: ~/project
+      - *restore_node_modules
+      - run:
+          name: testAPI:browser
+          command: npm run testAPI:browser
   test_state_byzantium:
     <<: *defaults
     steps:
@@ -102,6 +111,9 @@ workflows:
       - test_api:
           requires:
             - install
+      - test_api_browser:
+          requires:
+            - install
       - test_state_byzantium:
           requires:
             - install

karma.conf.js

@@ -0,0 +1,74 @@
+// Karma configuration
+// Generated on Fri Mar 01 2019 22:02:29 GMT+0100 (CET)
+
+module.exports = function (config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['browserify', 'detectBrowsers', 'tap'],
+
+    // list of files / patterns to load in the browser
+    files: [
+      './tests/api/**/*.js'
+    ],
+
+    // list of files / patterns to exclude
+    // currently failing tests, open separate PRs to fix
+    exclude: [
+      './tests/api/state/stateManager.js', // 4, "# should clear the cache when the state root is set"
+      './tests/api/state/storageReader.js', // 1, "# should get value from stateManager"
+      './tests/api/index.js', // 11, "# should run blockchain with mocked runBlock" not working"
+      './tests/api/runBlock.js', // 3, "# should fail when runTx fails"
+      './tests/api/runBlockchain.js' // 2, "# should run with valid and invalid blocks"
+    ],
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+      './tests/api/**/*.js': [ 'browserify' ]
+    },
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['progress'],
+
+    // web server port
+    port: 9876,
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: false,
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['Firefox'],
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: true,
+
+    // karma-detect-browsers plugin config
+    detectBrowsers: {
+      enabled: true,
+      usePhantomJS: false,
+      postDetection: function (availableBrowsers) {
+        return [ 'Firefox' ]
+      }
+    },
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: Infinity
+  })
+}

package.json

@@ -18,6 +18,7 @@
     "testBlockchain": "npm run build:dist && node --stack-size=1500 ./tests/tester -b --fork='Petersburg' --dist --excludeDir='GeneralStateTests'",
     "testBlockchainGeneralStateTests": "npm run build:dist && node --stack-size=1500 ./tests/tester -b --dist --dir='GeneralStateTests'",
     "testAPI": "tape './tests/api/**/*.js'",
+    "testAPI:browser": "karma start karma.conf.js",
     "test": "echo \"[INFO] Generic test cmd not used. See package.json for more specific test run cmds.\"",
     "lint": "standard",
     "prepublishOnly": "npm run lint && npm run build:dist && npm run testBuildIntegrity",
@@ -49,18 +50,26 @@
   "devDependencies": {
     "babel-cli": "^6.26.0",
     "babel-preset-env": "^1.6.1",
+    "browserify": "^16.2.3",
     "coveralls": "^3.0.0",
     "documentation": "^8.1.2",
     "ethereumjs-blockchain": "^3.4.0",
     "ethereumjs-testing": "git+https://github.com/ethereumjs/ethereumjs-testing.git#v1.2.7",
     "ethereumjs-tx": "1.3.7",
+    "karma": "^4.0.1",
+    "karma-browserify": "^6.0.0",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-detect-browsers": "^2.3.3",
+    "karma-firefox-launcher": "^1.1.0",
+    "karma-tap": "^4.1.4",
     "level": "^4.0.0",
     "level-mem": "^3.0.1",
     "minimist": "^1.1.1",
     "nyc": "^12.0.2",
     "standard": "^10.0.0",
     "tap-spec": "^5.0.0",
-    "tape": "4.6.3"
+    "tape": "4.6.3",
+    "util.promisify": "^1.0.0"
   },
   "author": "mjbecze <mjbecze@gmail.com>",
   "contributors": [

tests/api/index.js

@@ -1,4 +1,4 @@
-const { promisify } = require('util')
+const promisify = require('util.promisify')
 const tape = require('tape')
 const util = require('ethereumjs-util')
 const Block = require('ethereumjs-block')

tests/api/runBlock.js

@@ -1,4 +1,4 @@
-const { promisify } = require('util')
+const promisify = require('util.promisify')
 const tape = require('tape')
 const Block = require('ethereumjs-block')
 const Transaction = require('ethereumjs-tx')

tests/api/runTx.js

@@ -1,4 +1,4 @@
-const { promisify } = require('util')
+const promisify = require('util.promisify')
 const tape = require('tape')
 const Transaction = require('ethereumjs-tx')
 const runTx = require('../../lib/runTx')

tests/api/state/cache.js

@@ -1,4 +1,4 @@
-const { promisify } = require('util')
+const promisify = require('util.promisify')
 const tape = require('tape')
 const Trie = require('merkle-patricia-tree/secure.js')
 const Account = require('ethereumjs-account')