Add JSGI stack tests, to test each part of the stack (for performance)

Author: kriszyp

tests/stack.js

@@ -0,0 +1,98 @@
+require("commonjs-utils/settings").admins = ["user"];// must do this first
+var MockRequest = require("jack/mock").MockRequest, 
+	mock = new MockRequest(require("pintura").app),
+	assert = require("assert"),
+	TestStore = require("perstore/stores").DefaultStore();
+	var config = require("pintura").config;
+	var parse = require("commonjs-utils/json-ext").parse;
+TestStore.setPath("TestStore");
+
+
+var emptyApp = function(){
+	return {
+		headers:{},
+		status:200,
+		body:[]
+	} 
+};
+var lowerAppMock = new MockRequest(require("jsgi/context").SetContext({},
+			// We detect if the request could have been forged from another site
+			require("jsgi/csrf").CSRFDetect(emptyApp)));
+				// Support handling various cross-site request mechanisms like JSONP, window.name, CS-XHR
+var lowerApp2Mock = new MockRequest(require("jsgi/xsite").CrossSite(
+					// Handle header emulation through query parameters (useful for cross-site and links)
+					require("jsgi/http-params").HttpParams(emptyApp)));
+						// Handle HEAD requests
+var lowerApp3Mock = new MockRequest(require("jsgi/head").Head(
+							// Add some useful headers
+							require("jsgi/pintura-headers").PinturaHeaders(config.serverName,
+								// Handle conditional requests
+								require("jsgi/conditional").Conditional(true,emptyApp
+								))));
+var middleAppMock = new MockRequest(require("jsgi/media").Serialize(config.mediaSelector,
+										// Handle errors that are thrown, converting to appropriate status codes
+										require("jsgi/error").ErrorHandler(
+											//	Handle transactions
+											require("perstore/jsgi/transactional").Transactional(
+												// Handle sessions
+												require("jsgi/session").Session({},
+													// Do authentication
+													require("jsgi/auth").Authentication(config.security, emptyApp))))));
+var upperAppMock = new MockRequest(require("jsgi/media").Deserialize(config.mediaSelector,
+															// Non-REST custom handlers
+															require('jsgi/routes').Routes(config.customRoutes,
+																// Add and retrieve metadata from objects
+																exports.directApp = require("jsgi/metadata").Metadata(
+																	// Final REST handler
+																	require("jsgi/rest-store").RestStore(config)))));
+var emptyMock = new MockRequest(emptyApp);
+config.getDataModel = function(){
+	return {
+		TestStore: TestStore
+	};
+};
+exports.testUpperApp = function(){
+	var body = upperAppMock.GET("/TestStore/", {
+	}).body;
+	assert.equal(body.length, 45);
+};
+exports.testMiddleAppWithAuth = function(){
+	var body = middleAppMock.GET("/TestStore/", {
+		headers:{
+			authorization: "user:pass"
+		}
+	}).body;
+	assert.equal(body.length, 2);
+};
+exports.testMiddleApp = function(){
+	var body = middleAppMock.GET("/TestStore/", {
+	}).body;
+	assert.equal(body.length, 2);
+};
+exports.testLowerApp = function(){
+	var body = lowerAppMock.GET("/TestStore/", {
+	}).body;
+	assert.equal(body.length, 0);
+};
+exports.testLowerApp2 = function(){
+	var body = lowerApp2Mock.GET("/TestStore/", {
+	}).body;
+	assert.equal(body.length, 0);
+};
+exports.testLowerApp3 = function(){
+	var body = lowerApp3Mock.GET("/TestStore/", {
+	}).body;
+	assert.equal(body.length, 0);
+};
+exports.testEmpty = function(){
+	var body = emptyMock.GET("/TestStore/", {
+		headers:{
+			authorization: "user:pass"
+		}
+	}).body;
+	assert.equal(body.length, 0);
+};
+
+if (require.main === module)
+    require("patr/runner").run(exports);
+