File: parse_test.go

package info (click to toggle)
golang-github-antchfx-xmlquery 1.3.3-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, bullseye-proposed-updates, sid
  • size: 156 kB
  • sloc: xml: 120; makefile: 2
file content (476 lines) | stat: -rw-r--r-- 12,841 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
package xmlquery

import (
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
)

func TestLoadURLSuccess(t *testing.T) {
	contentTypes := []string{
		"application/vnd.paos.xml",
		"application/vnd.otps.ct-kip+xml",
		"application/vnd.openxmlformats-package.core-properties+xml",
		"application/CDFX+XML",
		"application/ATXML",
		"application/3gpdash-qoe-report+xml",
		"application/vnd.nokia.pcd+wbxml",
		"image/svg+xml",
		"message/imdn+xml",
		"model/vnd.collada+xml",
		"text/xml-external-parsed-entity",
		"text/xml",
		"aPPLIcaTioN/xMl; charset=UTF-8",
		"application/xhtml+xml",
		"application/xml",
		"text/xmL; charset=UTF-8",
		"application/aTOM+xmL; charset=UTF-8",
		"application/RsS+xmL; charset=UTF-8",
		"application/maTHml+xmL; charset=UTF-8",
		"application/xslt+xmL; charset=UTF-8",
	}

	for _, contentType := range contentTypes {
		server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			s := `<?xml version="1.0"?>
				<parent>
					<child></child>
				</parent>
			`
			w.Header().Set("Content-Type", contentType)
			w.Write([]byte(s))
		}))
		defer server.Close()
		_, err := LoadURL(server.URL)
		if err != nil {
			t.Fatal(err)
		}
	}
}

func TestLoadURLFailure(t *testing.T) {
	contentTypes := []string{
		"application/pdf",
		"application/json",
		"application/tlsrpt+gzip",
		"application/vnd.3gpp.pic-bw-small",
		"application/vnd.collabio.xodocuments.document-template",
		"application/vnd.ctc-posml",
		"application/vnd.gov.sk.e-form+zip",
		"audio/mp4",
		"audio/vnd.sealedmedia.softseal.mpeg",
		"image/png",
		"image/vnd.adobe.photoshop",
		"message/example",
		"message/vnd.wfa.wsc",
		"model/vnd.usdz+zip",
		"model/vnd.valve.source.compiled-map",
		"multipart/signed",
		"text/css",
		"text/html",
		"video/quicktime",
		"video/JPEG",
	}

	for _, contentType := range contentTypes {
		server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			w.Header().Set("Content-Type", contentType)
		}))
		defer server.Close()
		_, err := LoadURL(server.URL)
		if err != nil && err.Error() == fmt.Sprintf("invalid XML document(%s)", contentType) {
			return
		}

		t.Fatalf("Want invalid XML document(%s), got %v", contentType, err)
	}
}

func TestNamespaceURL(t *testing.T) {
	s := `
<?xml version="1.0"?>
<rss version="2.0" xmlns="http://www.example.com/" xmlns:dc="https://purl.org/dc/elements/1.1/">
<!-- author -->
<dc:creator><![CDATA[Richard ]]><![CDATA[Lawler]]></dc:creator>
<dc:identifier>21|22021348</dc:identifier>
</rss>
	`
	doc, err := Parse(strings.NewReader(s))
	if err != nil {
		t.Fatal(err)
	}
	top := FindOne(doc, "//rss")
	if top == nil {
		t.Fatal("rss feed invalid")
	}
	node := FindOne(top, "dc:creator")
	if node.Prefix != "dc" {
		t.Fatalf("expected node prefix name is dc but is=%s", node.Prefix)
	}
	if node.NamespaceURI != "https://purl.org/dc/elements/1.1/" {
		t.Fatalf("dc:creator != %s", node.NamespaceURI)
	}
	if strings.Index(top.InnerText(), "author") > 0 {
		t.Fatalf("InnerText() include comment node text")
	}
	if strings.Index(top.OutputXML(true), "author") == -1 {
		t.Fatal("OutputXML shoud include comment node,but not")
	}
}

func TestMultipleProcInst(t *testing.T) {
	s := `<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" media="screen" href="/~d/styles/rss2full.xsl"?>
<?xml-stylesheet type="text/css" media="screen" href="http://feeds.reuters.com/~d/styles/itemcontent.css"?>
<rss xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0" version="2.0">
</rss>
	`
	doc, err := Parse(strings.NewReader(s))
	if err != nil {
		t.Fatal(err)
	}

	node := doc.FirstChild // <?xml ?>
	if node.Data != "xml" {
		t.Fatal("node.Data != xml")
	}
	node = node.NextSibling // New Line
	node = node.NextSibling // <?xml-stylesheet?>
	if node.Data != "xml-stylesheet" {
		t.Fatal("node.Data != xml-stylesheet")
	}
}

func TestParse(t *testing.T) {
	s := `<?xml version="1.0" encoding="UTF-8"?>
<bookstore>
<book>
  <title lang="en">Harry Potter</title>
  <price>29.99</price>
</book>
<book>
  <title lang="en">Learning XML</title>
  <price>39.95</price>
</book>
</bookstore>`
	root, err := Parse(strings.NewReader(s))
	if err != nil {
		t.Error(err)
	}
	if root.Type != DocumentNode {
		t.Fatal("top node of tree is not DocumentNode")
	}

	declarNode := root.FirstChild
	if declarNode.Type != DeclarationNode {
		t.Fatal("first child node of tree is not DeclarationNode")
	}

	if declarNode.Attr[0].Name.Local != "version" && declarNode.Attr[0].Value != "1.0" {
		t.Fatal("version attribute not expected")
	}

	bookstore := root.LastChild
	if bookstore.Data != "bookstore" {
		t.Fatal("bookstore elem not found")
	}
	if bookstore.FirstChild.Data != "\n" {
		t.Fatal("first child node of bookstore is not empty node(\n)")
	}
	books := childNodes(bookstore, "book")
	if len(books) != 2 {
		t.Fatalf("expected book element count is 2, but got %d", len(books))
	}
	// first book element
	testNode(t, findNode(books[0], "title"), "title")
	testAttr(t, findNode(books[0], "title"), "lang", "en")
	testValue(t, findNode(books[0], "price").InnerText(), "29.99")
	testValue(t, findNode(books[0], "title").InnerText(), "Harry Potter")

	// second book element
	testNode(t, findNode(books[1], "title"), "title")
	testAttr(t, findNode(books[1], "title"), "lang", "en")
	testValue(t, findNode(books[1], "price").InnerText(), "39.95")

	testValue(t, books[0].OutputXML(true), `<book><title lang="en">Harry Potter</title><price>29.99</price></book>`)
}

func TestMissDeclaration(t *testing.T) {
	s := `<AAA>
		<BBB></BBB>
		<CCC></CCC>
	</AAA>`
	doc, err := Parse(strings.NewReader(s))
	if err != nil {
		t.Fatal(err)
	}
	node := FindOne(doc, "//AAA")
	if node == nil {
		t.Fatal("//AAA is nil")
	}
}

func TestMissingNamespace(t *testing.T) {
	s := `<root>
	<myns:child id="1">value 1</myns:child>
	<myns:child id="2">value 2</myns:child>
  </root>`
	_, err := Parse(strings.NewReader(s))
	if err == nil {
		t.Fatal("err is nil, want got invalid XML document")
	}
}

func TestTooNested(t *testing.T) {
	s := `<?xml version="1.0" encoding="UTF-8"?>
	<!-- comment here-->
    <AAA>
        <BBB>
            <DDD>
                <CCC>
                    <DDD/>
                    <EEE/>
                </CCC>
            </DDD>
        </BBB>
        <CCC>
            <DDD>
                <EEE>
                    <DDD>
                        <FFF/>
                    </DDD>
                </EEE>
            </DDD>
        </CCC>
     </AAA>`
	root, err := Parse(strings.NewReader(s))
	if err != nil {
		t.Error(err)
	}
	aaa := findNode(root, "AAA")
	if aaa == nil {
		t.Fatal("AAA node not exists")
	}
	ccc := aaa.LastChild.PrevSibling
	if ccc.Data != "CCC" {
		t.Fatalf("expected node is CCC,but got %s", ccc.Data)
	}
	bbb := ccc.PrevSibling.PrevSibling
	if bbb.Data != "BBB" {
		t.Fatalf("expected node is bbb,but got %s", bbb.Data)
	}
	ddd := findNode(bbb, "DDD")
	testNode(t, ddd, "DDD")
	testNode(t, ddd.LastChild.PrevSibling, "CCC")
}

func TestAttributeWithNamespace(t *testing.T) {
	s := `<?xml version="1.0" encoding="UTF-8"?><root xmlns:n1="http://www.w3.org">
   <good a="1" b="2" />
   <good a="1" n1:a="2" /></root>`
	doc, _ := Parse(strings.NewReader(s))
	n := FindOne(doc, "//good[@n1:a='2']")
	if n == nil {
		t.Fatal("n is nil")
	}
}

func TestIllegalAttributeChars(t *testing.T) {
	s := `<MyTag attr="If a&lt;b &amp; b&lt;c then a&lt;c, it&#39;s obvious"></MyTag>`
	doc, _ := Parse(strings.NewReader(s))
	e := "If a<b & b<c then a<c, it's obvious"
	if n := FindOne(doc, "//MyTag/@attr"); n.InnerText() != e {
		t.Fatalf("MyTag expected: %s but got: %s", e, n.InnerText())
	}
	if g := doc.LastChild.OutputXML(true); g != s {
		t.Fatalf("not expected body: %s", g)
	}
}

func TestCharData(t *testing.T) {
	s := `
<?xml version="1.0"?>
<rss version="2.0" xmlns="http://www.example.com/" xmlns:dc="https://purl.org/dc/elements/1.1/">
<dc:creator><![CDATA[Richard Lawler]]></dc:creator>
</rss>
	`
	doc, err := Parse(strings.NewReader(s))
	if err != nil {
		t.Fatal(err)
	}
	top := FindOne(doc, "//rss")
	if top == nil {
		t.Fatal("rss feed invalid")
	}
	node := FindOne(top, "dc:creator")
	if node.Prefix != "dc" {
		t.Fatalf("expected node prefix name is dc but is=%s", node.Prefix)
	}
	cdata := node.FirstChild
	if cdata == nil || cdata.Type != CharDataNode {
		t.Fatalf("expected cdata child, received %d", cdata.Type)
	}

	testValue(t, cdata.InnerText(), "Richard Lawler")
}

func TestStreamParser_InvalidXPath(t *testing.T) {
	sp, err := CreateStreamParser(strings.NewReader(""), "[invalid")
	if err == nil || err.Error() != "invalid streamElementXPath '[invalid', err: expression must evaluate to a node-set" {
		t.Fatalf("got non-expected error: %v", err)
	}
	if sp != nil {
		t.Fatal("expected nil for sp, but got none-nil value")
	}

	sp, err = CreateStreamParser(strings.NewReader(""), ".", "[invalid")
	if err == nil || err.Error() != "invalid streamElementFilter '[invalid', err: expression must evaluate to a node-set" {
		t.Fatalf("got non-expected error: %v", err)
	}
	if sp != nil {
		t.Fatal("expected nil for sp, but got none-nil value")
	}
}

func testOutputXML(t *testing.T, msg string, expectedXML string, n *Node) {
	if n.OutputXML(true) != expectedXML {
		t.Fatalf("%s, expected XML: '%s', actual: '%s'", msg, expectedXML, n.OutputXML(true))
	}
}

func TestStreamParser_Success1(t *testing.T) {
	s := `
	<ROOT>
		<AAA>
			<CCC>c1</CCC>
			<BBB>b1</BBB>
			<DDD>d1</DDD>
			<BBB>b2<ZZZ z="1">z1</ZZZ></BBB>
			<BBB>b3</BBB>
		</AAA>
		<ZZZ>
			<BBB>b4</BBB>
			<BBB>b5</BBB>
			<CCC>c3</CCC>
		</ZZZ>
	</ROOT>`

	sp, err := CreateStreamParser(strings.NewReader(s), "/ROOT/*/BBB", "/ROOT/*/BBB[. != 'b3']")
	if err != nil {
		t.Fatal(err.Error())
	}

	// First `<BBB>` read
	n, err := sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "first call result", `<BBB>b1</BBB>`, n)
	testOutputXML(t, "doc after first call",
		`<><?xml?><ROOT><AAA><CCC>c1</CCC><BBB>b1</BBB></AAA></ROOT></>`, findRoot(n))

	// Second `<BBB>` read
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "second call result", `<BBB>b2<ZZZ z="1">z1</ZZZ></BBB>`, n)
	testOutputXML(t, "doc after second call",
		`<><?xml?><ROOT><AAA><CCC>c1</CCC><DDD>d1</DDD><BBB>b2<ZZZ z="1">z1</ZZZ></BBB></AAA></ROOT></>`, findRoot(n))

	// Third `<BBB>` read (Note we will skip 'b3' since the streamElementFilter excludes it)
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "third call result", `<BBB>b4</BBB>`, n)
	// Note the inclusion of `<BBB>b3</BBB>` in the document? This is because `<BBB>b3</BBB>` has
	// been filtered out and is not our target node, thus it is considered just like any other
	// non target nodes such as `<CCC>`` or `<DDD>`
	testOutputXML(t, "doc after third call",
		`<><?xml?><ROOT><AAA><CCC>c1</CCC><DDD>d1</DDD></AAA><ZZZ><BBB>b4</BBB></ZZZ></ROOT></>`,
		findRoot(n))

	// Fourth `<BBB>` read
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "fourth call result", `<BBB>b5</BBB>`, n)
	testOutputXML(t, "doc after fourth call",
		`<><?xml?><ROOT><AAA><CCC>c1</CCC><DDD>d1</DDD></AAA><ZZZ><BBB>b5</BBB></ZZZ></ROOT></>`,
		findRoot(n))

	_, err = sp.Read()
	if err != io.EOF {
		t.Fatalf("io.EOF expected, but got %v", err)
	}
}

func TestStreamParser_Success2(t *testing.T) {
	s := `
	<AAA>
		<CCC>c1</CCC>
		<BBB>b1</BBB>
		<DDD>d1</DDD>
		<BBB>b2</BBB>
		<CCC>c2</CCC>
	</AAA>`

	sp, err := CreateStreamParser(strings.NewReader(s), "/AAA/CCC | /AAA/DDD")
	if err != nil {
		t.Fatal(err.Error())
	}

	// First Read() should return c1
	n, err := sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "first call result", `<CCC>c1</CCC>`, n)
	testOutputXML(t, "doc after first call", `<><?xml?><AAA><CCC>c1</CCC></AAA></>`, findRoot(n))

	// Second Read() should return d1
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "second call result", `<DDD>d1</DDD>`, n)
	testOutputXML(t, "doc after second call",
		`<><?xml?><AAA><BBB>b1</BBB><DDD>d1</DDD></AAA></>`, findRoot(n))

	// Third call should return c2
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "third call result", `<CCC>c2</CCC>`, n)
	testOutputXML(t, "doc after third call",
		`<><?xml?><AAA><BBB>b1</BBB><BBB>b2</BBB><CCC>c2</CCC></AAA></>`, findRoot(n))

	_, err = sp.Read()
	if err != io.EOF {
		t.Fatalf("io.EOF expected, but got %v", err)
	}
}

func TestCDATA(t *testing.T) {
	s := `
	<AAA>
		<CCC><![CDATA[c1]]></CCC>
	</AAA>`

	sp, err := CreateStreamParser(strings.NewReader(s), "/AAA/CCC")
	if err != nil {
		t.Fatal(err.Error())
	}

	n, err := sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "first call result", `<CCC><![CDATA[c1]]></CCC>`, n)
}