Add Windows CI job (Node 12)

.travis.yml

@@ -16,10 +16,13 @@ matrix:
       env: TEST=build_and_lint
     - node_js: 10
       env: TEST=unit_and_e2e_clients
-    - node_js: 10
+    - node_js: 12
       env: TEST=e2e_ganache
-    - node_js: 10
+    - node_js: 12
       env: TEST=e2e_mosaic
+    - node_js: 12
+      env: TEST=e2e_windows
+      os: windows
     - node_js: 10
       env: TEST=e2e_ens
     - node_js: 10
@@ -28,10 +31,13 @@ matrix:
         chrome: stable
         firefox: latest
   allow_failures:
-    - node_js: 10
+    - node_js: 12
       env: TEST=e2e_ganache
-    - node_js: 10
+    - node_js: 12
       env: TEST=e2e_mosaic
+    - node_js: 12
+      env: TEST=e2e_windows
+      os: windows
 
 addons:
   apt:
@@ -51,9 +57,6 @@ before_install:
   - export DISPLAY=:99.0
   - export PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
 install:
-  - if [[ $TEST != "e2e_ganache" ]] && [[ $TEST != "e2e_mosaic" ]]; then
-      npm install;
-    fi
+  - bash ./scripts/install.sh
 script:
-    - npm run ci
-
+  - bash ./scripts/ci.sh

scripts/ci.sh

@@ -48,7 +48,12 @@ elif [ "$TEST" = "e2e_mosaic" ]; then
 elif [ "$TEST" = "e2e_ens" ]; then
 
   npm run test:e2e:ens
-
+
+elif [ "$TEST" = "e2e_windows" ]; then
+
+  bash ./scripts/e2e.npm.publish.sh
+  bash ./scripts/e2e.windows.sh
+
 elif [ "$TEST" = "e2e_ganache" ]; then
 
   npm run test:e2e:publish

scripts/e2e.npm.publish.sh

@@ -25,8 +25,12 @@ npm install -g verdaccio@4.4.2
 npm install -g npm-auth-to-token@1.0.0
 npm install -g lerna@3.18.3
 
-# Launch npm proxy registry
-verdaccio --config verdaccio.yml & npx wait-port 4873
+# Launch npm proxy registry and save pid to kill server (req. in Windows env)
+verdaccio --config verdaccio.yml &
+VERDACCIO_PID=$!
+echo "VERDACCIO_PID=$VERDACCIO_PID" > verdaccio_pid
+
+npx wait-port 4873
 
 # `npm add user`
 curl -XPUT \
@@ -59,6 +63,9 @@ lerna version minor \
   --allow-branch $BRANCH \
   --yes
 
+# Set email prior to publishing (necessary for Windows)
+git config user.email "you@example.com"
+
 # Commit changes because lerna checks git before
 git commit -a -m 'virtual-version-bump'
 

scripts/e2e.windows.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# This script installs Web3 from virtual registry in a
+# Windows env and runs some simple Web3 calls.
+
+# Exit immediately on error
+set -o errexit
+
+# Setup mock project to install web3 from virtual registry
+mkdir windows_test
+cp scripts/js/basic_usage.js windows_test/basic_usage.js
+cd windows_test
+
+# Install web3 as dep
+npm init --yes
+npm install web3@e2e --save --registry http://localhost:4873
+node ./basic_usage.js
+
+# Shutdown verdaccio server
+cd ..
+source verdaccio_pid
+kill -9 $VERDACCIO_PID
+
+# Debugging...
+ps -ef

scripts/install.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# This script contains conditional installation logic for Travis CI
+
+# CI jobs we'd like to skip default installation for:
+# Helpful for E2E tests where the dev deps might cause problems
+skip=(
+  "e2e_ganache"
+  "e2e_mosaic"
+  "e2e_windows"
+)
+
+if [[ ! " ${skip[@]} " =~ " ${TEST} " ]]; then
+  npm install
+fi

scripts/js/basic_usage.js

@@ -0,0 +1,92 @@
+#!/usr/bin/env node
+
+// This script runs some simple Web3 calls.
+// Useful for validating the published version in different OS environments.
+const Web3 = require('web3');
+const util = require('util');
+const log = console.log;
+
+async function delay(secs=0){
+  return new Promise(resolve => setTimeout(() => resolve(), secs * 1000))
+}
+
+// A workaround for how flaky the infura connection can be...
+// Tries to fetch data 10x w/ 1 sec delays. Exits on first success.
+async function getBlockWithRetry(web3){
+  let i = 0;
+  let block;
+
+  while(true){
+    await delay(1);
+
+    try {
+
+      block = await web3.eth.getBlock('latest');
+      break;
+
+    } catch(err){
+
+      i++;
+      if (i === 10){
+        throw new Error('Failed to connect to Infura over websockets after 10 tries');
+      }
+
+    }
+  }
+  return block;
+}
+
+async function main(){
+  let web3;
+  let block;
+
+  // Providers
+  log();
+  log('>>>>>>');
+  log('HTTP:MAINNET getBlock');
+  log('>>>>>>');
+
+  // Http
+  web3 = new Web3('https://mainnet.infura.io/v3/1d13168ffb894ad2827f2152620bd27c');
+  block = await getBlockWithRetry(web3);
+  log(util.inspect(block));
+
+  log();
+  log('>>>>>>');
+  log('WS:MAINNET getBlock');
+  log('>>>>>>');
+
+  // WebSockets
+  web3 = new Web3('wss://mainnet.infura.io/ws/v3/1d13168ffb894ad2827f2152620bd27c');
+  block = await getBlockWithRetry(web3);
+  web3.currentProvider.disconnect();
+  log(util.inspect(block));
+
+
+  // Accounts
+  web3 = new Web3();
+
+  log();
+  log('>>>>>>');
+  log('eth.accounts.createAccount');
+  log('>>>>>>');
+
+  const account = web3.eth.accounts.create();
+  log(util.inspect(account));
+
+  log();
+  log('>>>>>>');
+  log('eth.accounts.hashMessage');
+  log('>>>>>>');
+
+  const hash = web3.eth.accounts.hashMessage('Hello World');
+  log(util.inspect(hash));
+}
+
+main()
+  .then(() => process.exit(0))
+  .catch(err => {
+    log(err);
+    process.exit(1)
+  });
+

verdaccio.yml

@@ -5,10 +5,10 @@ auth:
 uplinks:
   npmjs:
     url: https://registry.npmjs.org/
-    timeout: 25000ms
+    timeout: 100000ms
   yarn:
     url: https://registry.yarnpkg.com/
-    timeout: 25000ms
+    timeout: 100000ms
 packages:
   '@*/*':
     # scoped packages