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1
15 package org.apache.tapestry.util;
16
17 import java.io.CharArrayWriter  ;
18 import java.io.PrintWriter ;
19
20 import org.apache.hivemind.Location;
21 import org.apache.hivemind.Resource;
22 import org.apache.hivemind.test.HiveMindTestCase;
23 import org.apache.tapestry.IAsset;
24 import org.apache.tapestry.IMarkupWriter;
25 import org.apache.tapestry.IRequestCycle;
26 import org.apache.tapestry.asset.AssetFactory;
27 import org.apache.tapestry.engine.ILink;
28 import org.apache.tapestry.markup.AsciiMarkupFilter;
29 import org.apache.tapestry.markup.MarkupWriterImpl;
30 import org.easymock.MockControl;
31
32
38 public class TestPageRenderSupport extends HiveMindTestCase
39 {
40 private AssetFactory newAssetFactory()
41 {
42 return (AssetFactory) newMock(AssetFactory.class);
43 }
44
45 private IRequestCycle newCycle()
46 {
47 return (IRequestCycle) newMock(IRequestCycle.class);
48 }
49
50 private Resource newResource()
51 {
52 return (Resource) newMock(Resource.class);
53 }
54
55 private IAsset newAsset(IRequestCycle cycle, String url)
56 {
57 MockControl control = newControl(IAsset.class);
58 IAsset asset = (IAsset) control.getMock();
59
60 asset.buildURL(cycle);
61 control.setReturnValue(url);
62
63 return asset;
64 }
65
66 private ILink newLink(String URL)
67 {
68 MockControl control = newControl(ILink.class);
69 ILink link = (ILink) control.getMock();
70
71 link.getURL();
72 control.setReturnValue(URL);
73
74 return link;
75 }
76
77 private CharArrayWriter _writer;
78
79 private IMarkupWriter newWriter()
80 {
81 _writer = new CharArrayWriter ();
82
83 return new MarkupWriterImpl("text/html", new PrintWriter (_writer), new AsciiMarkupFilter());
84 }
85
86 private void assertOutput(String [] expectedLines)
87 {
88 StringBuffer buffer = new StringBuffer ();
89 for (int i = 0; i < expectedLines.length; i++)
90 {
91
95 if (i > 0)
96 buffer.append("\n");
97
98 buffer.append(expectedLines[i]);
99 }
100
101 assertOutput(buffer.toString());
102 }
103
104 private void assertOutput(String expected)
105 {
106 String actual = _writer.toString();
107
108 assertEquals(expected, actual);
109
110 _writer.reset();
111 }
112
113 public void testGetLocation()
114 {
115 AssetFactory factory = newAssetFactory();
116 Location l = newLocation();
117
118 replayControls();
119
120 PageRenderSupportImpl prs = new PageRenderSupportImpl(factory, "", l);
121
122 assertSame(l, prs.getLocation());
123
124 verifyControls();
125 }
126
127 public void testGetPreloadedImageReference()
128 {
129 AssetFactory factory = newAssetFactory();
130 Location l = newLocation();
131 IRequestCycle cycle = newCycle();
132 IMarkupWriter writer = newWriter();
133
134 replayControls();
135
136 PageRenderSupportImpl prs = new PageRenderSupportImpl(factory, "", l);
137
138 assertEquals("tapestry_preload[0].src", prs.getPreloadedImageReference("/foo/bar.gif"));
139 assertEquals("tapestry_preload[1].src", prs.getPreloadedImageReference("/zip/zap.png"));
140 assertEquals("tapestry_preload[0].src", prs.getPreloadedImageReference("/foo/bar.gif"));
141
142 prs.addBodyScript("myBodyScript();");
143
144 prs.writeBodyScript(writer, cycle);
145
146 assertOutput(new String []
147 { "<script language=\"JavaScript\" type=\"text/javascript\"><!--", "",
148 "var tapestry_preload = new Array();", "if (document.images)", "{",
149 " tapestry_preload[0] = new Image();",
150 " tapestry_preload[0].src = \"/foo/bar.gif\";",
151 " tapestry_preload[1] = new Image();",
152 " tapestry_preload[1].src = \"/zip/zap.png\";", "}", "", "", "myBodyScript();",
153 "", "// --></script>" });
154
155 verifyControls();
156 }
157
158 public void testPreloadedImagesInNamespace()
159 {
160 AssetFactory factory = newAssetFactory();
161 Location l = newLocation();
162 IRequestCycle cycle = newCycle();
163 IMarkupWriter writer = newWriter();
164
165 replayControls();
166
167 PageRenderSupportImpl prs = new PageRenderSupportImpl(factory, "NAMESPACE", l);
168
169 assertEquals("NAMESPACE_preload[0].src", prs.getPreloadedImageReference("/foo/bar.gif"));
170
171 prs.writeBodyScript(writer, cycle);
172
173 assertOutput(new String []
174 { "<script language=\"JavaScript\" type=\"text/javascript\"><!--", "",
175 "var NAMESPACE_preload = new Array();", "if (document.images)", "{",
176 " NAMESPACE_preload[0] = new Image();",
177 " NAMESPACE_preload[0].src = \"/foo/bar.gif\";", "}", "", "", "// --></script>" });
178
179 verifyControls();
180 }
181
182 public void testAddBodyScript()
183 {
184 AssetFactory factory = newAssetFactory();
185 Location l = newLocation();
186 IRequestCycle cycle = newCycle();
187 IMarkupWriter writer = newWriter();
188
189 replayControls();
190
191 PageRenderSupportImpl prs = new PageRenderSupportImpl(factory, "", l);
192
193 prs.addBodyScript("myBodyScript();");
194
195 prs.writeBodyScript(writer, cycle);
196
197 assertOutput(new String []
198 { "<script language=\"JavaScript\" type=\"text/javascript\"><!--", "", "myBodyScript();",
199 "", "// --></script>" });
200
201 verifyControls();
202 }
203
204 public void testGetUniqueString()
205 {
206 AssetFactory factory = newAssetFactory();
207 Location l = newLocation();
208
209 replayControls();
210
211 PageRenderSupportImpl prs = new PageRenderSupportImpl(factory, "", l);
212
213 assertEquals("foo", prs.getUniqueString("foo"));
214 assertEquals("foo$0", prs.getUniqueString("foo"));
215 assertEquals("bar", prs.getUniqueString("bar"));
216 assertEquals("foo$1", prs.getUniqueString("foo"));
217
218 verifyControls();
219 }
220
221 public void testGetUniqueStringWithNamespace()
222 {
223 AssetFactory factory = newAssetFactory();
224 Location l = newLocation();
225
226 replayControls();
227
228 PageRenderSupportImpl prs = new PageRenderSupportImpl(factory, "NAMESPACE", l);
229
230 assertEquals("fooNAMESPACE", prs.getUniqueString("foo"));
231 assertEquals("fooNAMESPACE$0", prs.getUniqueString("foo"));
232 assertEquals("barNAMESPACE", prs.getUniqueString("bar"));
233 assertEquals("fooNAMESPACE$1", prs.getUniqueString("foo"));
234
235 verifyControls();
236 }
237
238 public void testAddInitializationScript()
239 {
240 AssetFactory factory = newAssetFactory();
241 Location l = newLocation();
242 IMarkupWriter writer = newWriter();
243
244 replayControls();
245
246 PageRenderSupportImpl prs = new PageRenderSupportImpl(factory, "", l);
247
248 prs.addInitializationScript("myInitializationScript1();");
249 prs.addInitializationScript("myInitializationScript2();");
250
251 prs.writeInitializationScript(writer);
252
253 assertOutput(new String []
254 { "<script language=\"JavaScript\" type=\"text/javascript\"><!--",
255 "myInitializationScript1();", "myInitializationScript2();", "", "// --></script>" });
256
257 verifyControls();
258 }
259
260 public void testAddExternalScript() throws Exception
261 {
262 String newline = System.getProperty("line.separator");
263
264 IRequestCycle cycle = newCycle();
265
266 IMarkupWriter writer = newWriter();
267
268 MockControl assetFactoryc = newControl(AssetFactory.class);
269 AssetFactory assetFactory = (AssetFactory) assetFactoryc.getMock();
270
271 Resource script1 = newResource();
272 IAsset asset1 = newAsset(cycle, "/script1.js");
273 Resource script2 = newResource();
274 IAsset asset2 = newAsset(cycle, "/script2.js");
275
276 assetFactory.createAsset(script1, null);
277 assetFactoryc.setReturnValue(asset1);
278
279 assetFactory.createAsset(script2, null);
280 assetFactoryc.setReturnValue(asset2);
281
282 replayControls();
283
284 PageRenderSupportImpl prs = new PageRenderSupportImpl(assetFactory, "", null);
285
286 prs.addExternalScript(script1);
287 prs.addExternalScript(script2);
288 prs.addExternalScript(script1);
289
290 prs.writeBodyScript(writer, cycle);
291
292
295 assertOutput(scriptTagFor("/script1.js") + newline + scriptTagFor("/script2.js") + newline);
296
297 verifyControls();
298 }
299
300 private String scriptTagFor(String url)
301 {
302 return "<script language=\"JavaScript\" type=\"text/javascript\" SRC=\"" + url
303 + "\"></script>";
304 }
305 } |
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