Add IE11 partitions to travis config

.travis.yml

@@ -50,6 +50,14 @@ jobs:
       env: BROWSER=BrowserStackIe11 SUITE_PARTITION=A
     - name: Internet Explorer 11 B
       env: BROWSER=BrowserStackIe11 SUITE_PARTITION=B
+    - name: Internet Explorer 11 C
+      env: BROWSER=BrowserStackIe11 SUITE_PARTITION=C
+    - name: Internet Explorer 11 D
+      env: BROWSER=BrowserStackIe11 SUITE_PARTITION=D
+    - name: Internet Explorer 11 E
+      env: BROWSER=BrowserStackIe11 SUITE_PARTITION=E
+    - name: Internet Explorer 11 F
+      env: BROWSER=BrowserStackIe11 SUITE_PARTITION=F
     - name: iOS 14
       env: BROWSER=BrowserStackIos14
     - name: iOS 13

karma.ci.conf.js

@@ -8,7 +8,8 @@ const {
 const {
   BROWSER = 'chrome',
   REPORT_COVERAGE = false,
-  TRAVIS_BUILD_NUMBER
+  TRAVIS_BUILD_NUMBER,
+  SUITE_PARTITION = null
 } = process.env;
 
 const BROWSER_STACK_CAPABILITY = browserStackCapabilities[BROWSER];
@@ -27,6 +28,11 @@ function runner (config) {
   }
 
   if (BROWSER_STACK_CAPABILITY) {
+    let localIdentifier = `${Math.round(Math.random() * 100)}-${Date.now()}`;
+    if (SUITE_PARTITION) {
+      localIdentifier += `-${SUITE_PARTITION}`;
+    }
+
     cfg.browserStack = {
       project,
       build: `${TRAVIS_BUILD_NUMBER || `local unit [${branchName()}]`}`,
@@ -37,19 +43,19 @@ function runner (config) {
       'browserstack.console': 'verbose',
       'browserstack.networkLogs': true,
       captureTimeout: 1200,
-      localIdentifier: `${Math.round(Math.random() * 100)}-${Date.now()}`,
       pollingTimeout: 4000,
-      timeout: 1200
+      timeout: 1200,
+      localIdentifier,
     };
     cfg.reporters.push('BrowserStack');
   }
 
   console.log(cfg);
 
   config.set(cfg);
-};
+}
 
-const server = require('./test/server');
+require('./test/server');
 
 module.exports = runner;
 

karma.conf.js

@@ -76,7 +76,7 @@ function runner (config) {
   config.set(Object.assign({}, staticConfig, { logLevel: config.LOG_INFO }));
 }
 
-const server = require('./test/server');
+require('./test/server');
 
 runner.staticConfig = staticConfig;
 

test/unit/support/init.js

@@ -6,13 +6,19 @@
  * BROWSER=ChromeHeadless SUITE_PARTITION=A make test-unit
  */
 
+const PARTITIONS = ['A', 'B', 'C', 'D', 'E', 'F']; // add letters here and .travis.yml for IE11 as necessary
+
+function skipPartition (testIdx) {
+  return SUITE_PARTITION !== PARTITIONS[testIdx % PARTITIONS.length];
+}
+
 function overrideItForPartitions () {
   const origIt = it;
-  const partition = mod => SUITE_PARTITION === 'A' ? mod : !mod;
   let count = 0;
 
+  // eslint-disable-next-line no-global-assign
   it = function (...args) {
-    if (typeof args[args.length-1] === 'function' && partition(count++ % 2)) {
+    if (typeof args[args.length - 1] === 'function' && skipPartition(count++)) {
       return origIt.skip(...args);
     }
     return origIt(...args);