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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /uriloader/exthandler/tests/unit/head_handlerService.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'uriloader/exthandler/tests/unit/head_handlerService.js')
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diff --git a/uriloader/exthandler/tests/unit/head_handlerService.js b/uriloader/exthandler/tests/unit/head_handlerService.js
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+++ b/uriloader/exthandler/tests/unit/head_handlerService.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Inspired by the Places infrastructure in head_bookmarks.js
+
+var Cc = Components.classes;
+var Ci = Components.interfaces;
+var Cr = Components.results;
+var Cu = Components.utils;
+
+var HandlerServiceTest = {
+ //**************************************************************************//
+ // Convenience Getters
+
+ __dirSvc: null,
+ get _dirSvc() {
+ if (!this.__dirSvc)
+ this.__dirSvc = Cc["@mozilla.org/file/directory_service;1"].
+ getService(Ci.nsIProperties).
+ QueryInterface(Ci.nsIDirectoryService);
+ return this.__dirSvc;
+ },
+
+ __consoleSvc: null,
+ get _consoleSvc() {
+ if (!this.__consoleSvc)
+ this.__consoleSvc = Cc["@mozilla.org/consoleservice;1"].
+ getService(Ci.nsIConsoleService);
+ return this.__consoleSvc;
+ },
+
+
+ //**************************************************************************//
+ // nsISupports
+
+ interfaces: [Ci.nsIDirectoryServiceProvider, Ci.nsISupports],
+
+ QueryInterface: function HandlerServiceTest_QueryInterface(iid) {
+ if (!this.interfaces.some( function(v) { return iid.equals(v) } ))
+ throw Cr.NS_ERROR_NO_INTERFACE;
+ return this;
+ },
+
+
+ //**************************************************************************//
+ // Initialization & Destruction
+
+ init: function HandlerServiceTest_init() {
+ // Register ourselves as a directory provider for the datasource file
+ // if there isn't one registered already.
+ try {
+ this._dirSvc.get("UMimTyp", Ci.nsIFile);
+ } catch (ex) {
+ this._dirSvc.registerProvider(this);
+ this._providerRegistered = true;
+ }
+
+ // Delete the existing datasource file, if any, so we start from scratch.
+ // We also do this after finishing the tests, so there shouldn't be an old
+ // file lying around, but just in case we delete it here as well.
+ this._deleteDatasourceFile();
+
+ // Turn on logging so we can troubleshoot problems with the tests.
+ var prefBranch = Cc["@mozilla.org/preferences-service;1"].
+ getService(Ci.nsIPrefBranch);
+ prefBranch.setBoolPref("browser.contentHandling.log", true);
+ },
+
+ destroy: function HandlerServiceTest_destroy() {
+ // Delete the existing datasource file, if any, so we don't leave test files
+ // lying around and we start from scratch the next time.
+ this._deleteDatasourceFile();
+ // Unregister the directory service provider
+ if (this._providerRegistered)
+ this._dirSvc.unregisterProvider(this);
+ },
+
+
+ //**************************************************************************//
+ // nsIDirectoryServiceProvider
+
+ getFile: function HandlerServiceTest_getFile(property, persistent) {
+ this.log("getFile: requesting " + property);
+
+ persistent.value = true;
+
+ if (property == "UMimTyp") {
+ var datasourceFile = this._dirSvc.get("CurProcD", Ci.nsIFile);
+ datasourceFile.append("mimeTypes.rdf");
+ return datasourceFile;
+ }
+
+ // This causes extraneous errors to show up in the log when the directory
+ // service asks us first for CurProcD and MozBinD. I wish there was a way
+ // to suppress those errors.
+ this.log("the following NS_ERROR_FAILURE exception in " +
+ "nsIDirectoryServiceProvider::getFile is expected, " +
+ "as we don't provide the '" + property + "' file");
+ throw Cr.NS_ERROR_FAILURE;
+ },
+
+
+ //**************************************************************************//
+ // Utilities
+
+ /**
+ * Delete the datasource file.
+ */
+ _deleteDatasourceFile: function HandlerServiceTest__deleteDatasourceFile() {
+ var file = this._dirSvc.get("UMimTyp", Ci.nsIFile);
+ if (file.exists())
+ file.remove(false);
+ },
+
+ /**
+ * Get the contents of the datasource as a serialized string. Useful for
+ * debugging problems with test failures, i.e.:
+ *
+ * HandlerServiceTest.log(HandlerServiceTest.getDatasourceContents());
+ *
+ * @returns {string} the serialized datasource
+ */
+ getDatasourceContents: function HandlerServiceTest_getDatasourceContents() {
+ var rdf = Cc["@mozilla.org/rdf/rdf-service;1"].getService(Ci.nsIRDFService);
+
+ var ioService = Cc["@mozilla.org/network/io-service;1"].
+ getService(Ci.nsIIOService);
+ var fileHandler = ioService.getProtocolHandler("file").
+ QueryInterface(Ci.nsIFileProtocolHandler);
+ var fileURL = fileHandler.getURLSpecFromFile(this.getDatasourceFile());
+ var ds = rdf.GetDataSourceBlocking(fileURL);
+
+ var outputStream = {
+ data: "",
+ close: function() {},
+ flush: function() {},
+ write: function (buffer,count) {
+ this.data += buffer;
+ return count;
+ },
+ writeFrom: function (stream,count) {},
+ isNonBlocking: false
+ };
+
+ ds.QueryInterface(Components.interfaces.nsIRDFXMLSource);
+ ds.Serialize(outputStream);
+
+ return outputStream.data;
+ },
+
+ /**
+ * Log a message to the console and the test log.
+ */
+ log: function HandlerServiceTest_log(message) {
+ message = "*** HandlerServiceTest: " + message;
+ this._consoleSvc.logStringMessage(message);
+ print(message);
+ }
+
+};
+
+HandlerServiceTest.init();