Run tests in real browsers with Karma

tasks/test-all.js

@@ -0,0 +1,71 @@
+const Server = require('karma').Server;
+const closure = require('closure-util');
+const path = require('path');
+const processCliArgs = require('karma/lib/cli').process;
+
+/**
+ * Start Karma.  This prepends the Karma `files` config with all library files
+ * sorted in dependency order.
+ * @param {Object} config Karma options.
+ * @param {Manager} manager The dependency file manager.
+ * @param {function(Error)} callback Called with any error.
+ */
+function serve(config, manager, callback) {
+  function exit(code) {
+    let error = null;
+    if (code) {
+      error = new Error(`Karma exited with ${code}`);
+      error.code = code;
+    }
+    callback(error);
+  }
+  const server = new Server(config, exit);
+
+  const files = server.get('config.files');
+  const dependencies = manager.getDependencies().map(script => script.path);
+  dependencies.reverse().forEach(filePath => {
+    files.unshift({
+      pattern: filePath,
+      included: true,
+      served: true,
+      watched: true
+    });
+  });
+
+  // stop goog base.js from trying to load deps.js
+  files.unshift({
+    pattern: path.resolve(__dirname, '../test/no-deps.js'),
+    included: true,
+    served: true,
+    watched: false
+  });
+
+  server.start();
+}
+
+function main(config, callback) {
+  const manager = new closure.Manager({
+    lib: [
+      'src/**/*.js',
+      'build/ol.ext/*.js'
+    ]
+  });
+
+  manager.on('error', callback);
+
+  manager.on('ready', () => {
+    serve(config, manager, callback);
+  });
+}
+
+if (require.main === module) {
+  const config = processCliArgs();
+  main(config, (err, manager) => {
+    if (err) {
+      process.stderr.write(err.message, () => process.exit(1));
+      return;
+    } else {
+      process.exit(0);
+    }
+  });
+}