/mcs/class/System.Web/Test/mainsoft/MainsoftWebTest/NunitWebTest.cs
C# | 301 lines | 222 code | 35 blank | 44 comment | 48 complexity | fb69beadeb0a32fc256677e89cff2a4a MD5 | raw file
1//
2// Authors:
3// Rafael Mizrahi <rafim@mainsoft.com>
4// Erez Lotan <erezl@mainsoft.com>
5// Vladimir Krasnov <vladimirk@mainsoft.com>
6//
7//
8// Copyright (c) 2002-2005 Mainsoft Corporation.
9//
10// Permission is hereby granted, free of charge, to any person obtaining
11// a copy of this software and associated documentation files (the
12// "Software"), to deal in the Software without restriction, including
13// without limitation the rights to use, copy, modify, merge, publish,
14// distribute, sublicense, and/or sell copies of the Software, and to
15// permit persons to whom the Software is furnished to do so, subject to
16// the following conditions:
17//
18// The above copyright notice and this permission notice shall be
19// included in all copies or substantial portions of the Software.
20//
21// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28//
29
30
31
32using System;
33using System.IO;
34using System.Xml;
35using System.Net;
36using System.Text;
37using System.Collections;
38using System.Reflection;
39
40using NUnit.Framework;
41
42namespace MonoTests.stand_alone.WebHarness
43{
44 public class HtmlDiff
45 {
46 public const string BEGIN_TAG = "begint";
47 public const string END_TAG = "endt";
48
49 private XmlDocument _xmlIgnoreList = null;
50 private string _compareStatus = "";
51 private static string _compareActual = "";
52 private static string _compareExpect = "";
53 private string _ignoreListFile = "";
54
55
56
57 public HtmlDiff()
58 {
59 }
60
61 public string IgnoreListFile
62 {
63 get {return _ignoreListFile;}
64 set {_ignoreListFile = value;}
65 }
66
67 public string CompareStatus
68 {
69 get {return _compareStatus.ToString();}
70 }
71
72 public static string GetControlFromPageHtml (string str)
73 {
74 return GetControlFromPageHtml (str, BEGIN_TAG, END_TAG);
75 }
76
77 public static string GetControlFromPageHtml (string str, string beginTag, string endTag)
78 {
79 if (str == null || str.Length == 0)
80 throw new ArgumentException ("internal error: str is null or empty");
81 if (beginTag == null || beginTag.Length == 0)
82 throw new ArgumentNullException ("beginTag");
83 if (endTag == null || endTag.Length == 0)
84 throw new ArgumentNullException ("endTag");
85
86 int beginPos = str.IndexOf (beginTag);
87 int endPos = str.IndexOf (endTag);
88 if (beginPos == -1)
89 throw new InvalidOperationException (String.Format ("internal error: begin tag ('{0}') is missing. Full source: {1}", beginTag, str));
90 if (endPos == -1)
91 throw new InvalidOperationException (String.Format ("internal error: end tag ('{0}') is missing. Full source: {1}", endTag, str));
92
93 StringBuilder sb = new StringBuilder ();
94 sb.Append (str.Substring (beginPos + beginTag.Length, endPos - beginPos - beginTag.Length));
95 return sb.ToString ();
96 }
97
98 public static void AssertAreEqual (string origin, string derived, string msg)
99 {
100 bool test = false;
101 try {
102 test = HtmlComparer (origin, derived);
103 }
104 catch (Exception e) {
105 //swallow e when there is XML error and fallback
106 //to the text comparison
107 Assert.AreEqual (origin, derived, msg);
108 }
109 if (!test) {
110 Assert.AreEqual (_compareExpect, _compareActual, msg);
111 }
112 }
113
114 private static bool HtmlComparer (string origin, string derived)
115 {
116 XmlDocument or = new XmlDocument ();
117 MonoTests.stand_alone.WebHarness.HtmlDiff helper = new MonoTests.stand_alone.WebHarness.HtmlDiff ();
118 or.LoadXml (helper.HtmltoXml (origin));
119 XmlDocument dr = new XmlDocument ();
120 dr.LoadXml (helper.HtmltoXml (derived));
121 return helper.XmlCompare (or, dr, false);
122 }
123
124 private bool XmlCompare(XmlDocument expected, XmlDocument actual, bool ignoreAlmost)
125 {
126 XmlComparer comparer = new XmlComparer();
127 if (ignoreAlmost == false)
128 {
129 DoAlmost(expected);
130 DoAlmost(actual);
131 }
132 bool c = comparer.AreEqual(expected, actual);
133 _compareStatus = comparer.LastCompare;
134 _compareActual = comparer.Actual;
135 _compareExpect = comparer.Expected;
136 return c;
137 }
138
139 public string HtmltoXml (string html) //throws XmlException
140 {
141 HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument ();
142 doc.LoadHtml (html.Trim (new char[] { '\r', '\n', ' ' })); // bug in HtmlAgilityPack
143
144 StringBuilder fixedxml = new StringBuilder ();
145 StringWriter sw = new StringWriter (fixedxml);
146
147 StringBuilder tempxml = new StringBuilder ();
148 StringWriter tsw = new StringWriter (tempxml);
149
150 doc.OptionOutputAsXml = true;
151 doc.Save (tsw);
152
153 // fix style attribute
154 // the reason is that style attribute name-value pairs come in different order
155 // in .NET and GH
156 // Here I will sort the values of style attribute
157 XmlDocument tempDoc = new XmlDocument ();
158 tempDoc.LoadXml (tempxml.ToString ());
159
160 XmlNodeList allNodes = tempDoc.SelectNodes ("//*");
161 foreach (XmlNode n in allNodes) {
162 if (n.Attributes["style"] != null) {
163 string att = n.Attributes["style"].Value;
164 string[] style = att.Trim (new char[] { ' ', ';' }).Split (';');
165
166 for (int styleIndex = 0; styleIndex < style.Length; styleIndex++) {
167 style[styleIndex] = FixStyleNameValue (style[styleIndex]);
168 }
169 Array.Sort (style);
170 n.Attributes["style"].Value = string.Join (";", style);
171 }
172 }
173 tempDoc.Save (sw);
174 return fixedxml.ToString ();
175 }
176
177 private string FixStyleNameValue(string nameValue)
178 {
179 string [] nv = nameValue.Split(':');
180 // value may contain spaces in case of
181 // multiple values for one key
182 string [] nvalue = nv[1].Trim().Split(' ');
183 Array.Sort(nvalue);
184 nv[1] = string.Join(" ", nvalue);
185 return nv[0].Trim().ToLower() + ":" + nv[1].Trim().ToLower();
186 }
187
188 private void DoAlmost(XmlDocument xmlDocument)
189 {
190 XmlNode XmlIgnoreNode;
191 IEnumerator xmlIgnoreEnum;
192
193
194 if (_xmlIgnoreList == null)
195 {
196 _xmlIgnoreList = new XmlDocument();
197 string xml;
198
199 Stream source = Assembly.GetExecutingAssembly ()
200 .GetManifestResourceStream ("HtmlCompare.nunitweb_config.xml");
201 if (source == null) {
202 source = Assembly.GetExecutingAssembly ()
203 .GetManifestResourceStream ("nunitweb_config.xml");
204 }
205
206 try {
207 using (StreamReader sr = new StreamReader (source))
208 xml = sr.ReadToEnd ();
209 }
210 finally {
211 source.Close ();
212 }
213
214 _xmlIgnoreList.LoadXml (xml);
215 }
216 // Remove by Id or Name
217 // search by tag and if id or name match, remove all attributes
218 // must be the first almost since the following almost delete the id and name
219
220 xmlIgnoreEnum = _xmlIgnoreList.SelectSingleNode("Almost/RemoveById").GetEnumerator();
221 while (xmlIgnoreEnum.MoveNext())
222 {
223 XmlNodeList DocNodeList;
224 XmlIgnoreNode = (XmlNode)xmlIgnoreEnum.Current;
225 DocNodeList = xmlDocument.GetElementsByTagName("*");
226 if (DocNodeList != null)
227 {
228 foreach (XmlElement tmpXmlElement in DocNodeList)
229 {
230 foreach (XmlAttribute tmpIgnoreAttr in XmlIgnoreNode.Attributes)
231 {
232 if (tmpXmlElement.Name.ToLower() == XmlIgnoreNode.Name.ToLower())
233 {
234 if (tmpXmlElement.Attributes[tmpIgnoreAttr.Name] != null )
235 {
236 if (tmpXmlElement.Attributes[tmpIgnoreAttr.Name].Value.ToLower() == tmpIgnoreAttr.Value.ToLower())
237 {
238 tmpXmlElement.RemoveAllAttributes();
239 }
240 }
241 }
242 }
243 }
244 }
245 }
246 // remove ignored attributes
247 // search for tag and remove it's attributes
248 xmlIgnoreEnum = _xmlIgnoreList.SelectSingleNode("Almost/IgnoreList").GetEnumerator(); //FirstChild.GetEnumerator
249 while (xmlIgnoreEnum.MoveNext())
250 {
251 XmlIgnoreNode = (XmlNode)xmlIgnoreEnum.Current;
252 XmlNodeList DocNodeList;
253 //clean specific element
254
255 DocNodeList = xmlDocument.GetElementsByTagName("*");
256 if (DocNodeList != null)
257 {
258 foreach (XmlElement tmpXmlElement in DocNodeList)
259 {
260 if (tmpXmlElement.Name.ToLower() == XmlIgnoreNode.Name.ToLower())
261 {
262 foreach (XmlAttribute tmpIgnoreAttr in XmlIgnoreNode.Attributes)
263 {
264 tmpXmlElement.RemoveAttribute(tmpIgnoreAttr.Name);
265 }
266 }
267 }
268 }
269 }
270
271 // clean javascript attribute value
272 xmlIgnoreEnum = _xmlIgnoreList.SelectSingleNode("Almost/CleanJavaScriptValueList").GetEnumerator(); //FirstChild.GetEnumerator
273 while (xmlIgnoreEnum.MoveNext())
274 {
275 XmlIgnoreNode = (XmlNode)xmlIgnoreEnum.Current;
276 XmlNodeList DocNodeList;
277 //clean Java Script attribute values
278 DocNodeList = xmlDocument.GetElementsByTagName("*");
279 if (DocNodeList != null)
280 {
281 foreach (XmlElement tmpXmlElement in DocNodeList)
282 {
283 if (tmpXmlElement.Name.ToLower() == XmlIgnoreNode.Name.ToLower())
284 {
285 foreach (XmlAttribute tmpIgnoreAttr in XmlIgnoreNode.Attributes)
286 {
287 if (tmpXmlElement.Attributes[tmpIgnoreAttr.Name] != null )
288 {
289 if (tmpXmlElement.Attributes[tmpIgnoreAttr.Name].Value.ToLower().IndexOf("javascript") >= 0 )
290 {
291 tmpXmlElement.SetAttribute(tmpIgnoreAttr.Name, "");
292 }
293 }
294 }
295 }
296 }
297 }
298 }
299 }
300 }
301}