node_modules

1 files changed, 139 insertions, 0 deletions

diff --git a/node_modules/selenium-webdriver/http/util.js b/node_modules/selenium-webdriver/http/util.js
new file mode 100644
index 000000000..7564ba85e
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+++ b/node_modules/selenium-webdriver/http/util.js
@@ -0,0 +1,139 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Various HTTP utilities.
+ */
+
+'use strict';
+
+const Executor = require('./index').Executor,
+    HttpClient = require('./index').HttpClient,
+    HttpRequest = require('./index').Request,
+    Command = require('../lib/command').Command,
+    CommandName = require('../lib/command').Name,
+    error = require('../lib/error'),
+    promise = require('../lib/promise');
+
+
+
+/**
+ * Queries a WebDriver server for its current status.
+ * @param {string} url Base URL of the server to query.
+ * @return {!Promise<!Object>} A promise that resolves with
+ *     a hash of the server status.
+ */
+function getStatus(url) {
+  var client = new HttpClient(url);
+  var executor = new Executor(client);
+  var command = new Command(CommandName.GET_SERVER_STATUS);
+  return executor.execute(command);
+}
+
+
+// PUBLIC API
+
+
+/**
+ * Queries a WebDriver server for its current status.
+ * @param {string} url Base URL of the server to query.
+ * @return {!Promise<!Object>} A promise that resolves with
+ *     a hash of the server status.
+ */
+exports.getStatus = getStatus;
+
+
+/**
+ * Waits for a WebDriver server to be healthy and accepting requests.
+ * @param {string} url Base URL of the server to query.
+ * @param {number} timeout How long to wait for the server.
+ * @return {!promise.Promise} A promise that will resolve when the
+ *     server is ready.
+ */
+exports.waitForServer = function(url, timeout) {
+  var ready = promise.defer(),
+      start = Date.now();
+  checkServerStatus();
+  return ready.promise;
+
+  function checkServerStatus() {
+    return getStatus(url).then(status => ready.fulfill(status), onError);
+  }
+
+  function onError(e) {
+    // Some servers don't support the status command. If they are able to
+    // response with an error, then can consider the server ready.
+    if (e instanceof error.UnsupportedOperationError) {
+      ready.fulfill();
+      return;
+    }
+
+    if (Date.now() - start > timeout) {
+      ready.reject(
+          Error('Timed out waiting for the WebDriver server at ' + url));
+    } else {
+      setTimeout(function() {
+        if (ready.promise.isPending()) {
+          checkServerStatus();
+        }
+      }, 50);
+    }
+  }
+};
+
+
+/**
+ * Polls a URL with GET requests until it returns a 2xx response or the
+ * timeout expires.
+ * @param {string} url The URL to poll.
+ * @param {number} timeout How long to wait, in milliseconds.
+ * @return {!promise.Promise} A promise that will resolve when the
+ *     URL responds with 2xx.
+ */
+exports.waitForUrl = function(url, timeout) {
+  var client = new HttpClient(url),
+      request = new HttpRequest('GET', ''),
+      ready = promise.defer(),
+      start = Date.now();
+  testUrl();
+  return ready.promise;
+
+  function testUrl() {
+    client.send(request).then(onResponse, onError);
+  }
+
+  function onError() {
+    if (Date.now() - start > timeout) {
+      ready.reject(Error(
+          'Timed out waiting for the URL to return 2xx: ' + url));
+    } else {
+      setTimeout(function() {
+        if (ready.promise.isPending()) {
+          testUrl();
+        }
+      }, 50);
+    }
+  }
+
+  function onResponse(response) {
+    if (!ready.promise.isPending()) return;
+    if (response.status > 199 && response.status < 300) {
+      return ready.fulfill();
+    }
+    onError();
+  }
+};