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
|
test_that("modifying nodes works", {
x <- read_xml("<x><y/></x>")
node <- xml_find_first(x, "//x")
expect_equal(xml_name(node), "x")
.Call(node_set_name, node$node, "y")
expect_equal(xml_name(node), "y")
expect_equal(xml_text(node), "")
.Call(node_set_content, node$node, "test")
expect_equal(xml_text(node), "test")
})
test_that("xml_text<- only modifies text content", {
x <- read_xml("<node>Text1<subnode/>text2</node>")
expect_equal(xml_text(x), "Text1text2")
# will only change the first text by default
xml_text(x) <- "new_text1"
expect_equal(xml_text(x), "new_text1text2")
# You can change the second by explicitly selecting it
text_node <- xml_find_first(x, "//text()[2]")
xml_text(text_node) <- "new_text2"
expect_equal(xml_text(x), "new_text1new_text2")
})
test_that("xml_text<- creates new text nodes if needed", {
x <- read_xml("<node><subnode/></node>")
xml_text(x) <- "test"
expect_equal(xml_text(x), "test")
})
test_that("xml_remove removes nodes", {
x <- read_xml("<parent><child>1</child><child>2<child>3</child></child></parent>")
children <- xml_children(x)
t1 <- children[[1]]
xml_remove(children, free = TRUE)
expect_equal(xml_text(x), "")
})
test_that("xml_replace replaces nodes", {
x <- read_xml("<parent><child>1</child><child>2<child>3</child></child></parent>")
children <- xml_children(x)
t1 <- children[[1]]
t2 <- children[[2]]
t3 <- xml_children(children[[2]])[[1]]
expect_equal(xml_text(x), "123")
xml_replace(t1, t3)
expect_equal(xml_text(x), "323")
first_child <- xml_children(x)[[1]]
xml_replace(first_child, t1, .copy = FALSE)
expect_equal(xml_text(x), "123")
xml_remove(first_child, free = TRUE)
first_child <- xml_children(x)[[1]]
xml_replace(first_child, t3, .copy = FALSE)
expect_equal(xml_text(x), "32")
xml_remove(first_child, free = TRUE)
})
test_that("xml_replace works with nodesets", {
x <- read_xml("<parent><child>1</child><child>2<child>3</child></child></parent>")
children <- xml_children(x)
t1 <- children[[1]]
xml_replace(children, t1)
expect_equal(xml_text(x), "11")
})
test_that("xml_sibling adds a sibling node", {
x <- read_xml("<parent><child>1</child><child>2<child>3</child></child></parent>")
children <- xml_children(x)
t1 <- children[[1]]
t2 <- children[[2]]
t3 <- xml_children(children[[2]])[[1]]
xml_add_sibling(t1, t3)
expect_length(xml_siblings(t1), 2)
expect_equal(xml_text(x), "1323")
xml_add_sibling(t1, t3, .where = "before")
expect_length(xml_siblings(t1), 3)
expect_equal(xml_text(x), "31323")
children <- xml_children(x)
xml_add_sibling(children, t1)
expect_equal(xml_text(x), "311131231")
})
test_that("xml_add_child adds a child node", {
x <- read_xml("<parent><child>1</child><child>2<child>3</child></child></parent>")
children <- xml_children(x)
t1 <- children[[1]]
t2 <- children[[2]]
t3 <- xml_children(children[[2]])[[1]]
expect_length(xml_children(t1), 0)
xml_add_child(t1, t3, .copy = TRUE)
expect_length(xml_children(t1), 1)
expect_equal(xml_text(x), "1323")
children <- xml_children(x)
xml_add_child(children, t1)
expect_equal(xml_text(x), "1313231313")
})
test_that("xml_add_child can create a new default namespace", {
x <- xml_root(xml_add_child(xml_new_document(), "foo", xmlns = "bar"))
expect_equal(unclass(xml_ns(x)), c(d1 = "bar"))
})
test_that("xml_add_child can create a new prefixed namespace", {
x <- xml_root(xml_add_child(xml_new_document(), "foo", "xmlns:bar" = "baz"))
expect_equal(unclass(xml_ns(x)), c(bar = "baz"))
})
test_that("xml_add_child can create a new attribute", {
x <- xml_add_child(xml_new_document(), "foo", "bar" = "baz")
expect_equal(xml_attr(x, "bar"), "baz")
})
test_that("xml_add_child can create new text", {
x <- xml_add_child(xml_new_document(), "foo", "bar")
expect_equal(xml_text(x), "bar")
})
test_that("xml_add_child can create a new node with the specified prefix", {
x <- xml_root(xml_add_child(xml_new_document(), "foo", "xmlns:bar" = "baz"))
t1 <- xml_add_child(x, "bar:qux")
expect_equal(xml_name(t1), "qux")
expect_equal(xml_name(t1, xml_ns(x)), "bar:qux")
})
test_that("xml_add_child can create a new node with the specified prefix", {
x <- xml_root(xml_add_child(xml_new_document(), "foo", "xmlns:bar" = "baz"))
expect_error(xml_add_child(x, "bar2:qux"), "No namespace with prefix `bar2` found")
})
# https://github.com/r-lib/xml2/issues/284
test_that("xml_add_child can create a new node with attribute named 'par'", {
x <- xml_new_root("foo")
t1 <- xml_add_child(x, "a", "par" = "b")
expect_true(xml_has_attr(t1, "par"))
})
test_that("xml_add_parent works with xml_node input", {
x <- read_xml("<x><y/></x>")
y <- xml_find_first(x, ".//y")
xml_add_parent(y, "z")
expect_equal(xml_name(xml_parent(y)), "z")
expect_equal(xml_name(xml_child(x)), "z")
})
test_that("xml_add_parent works with xml_nodeset input", {
x <- read_xml("<x><y/><y/></x>")
y <- xml_find_all(x, ".//y")
xml_add_parent(y, "z")
expect_equal(xml_name(xml_parent(y)), c("z", "z"))
expect_equal(xml_name(xml_child(x)), "z")
})
test_that("xml_add_parent works with xml_missing input", {
x <- read_xml("<body>
<p>Some <b>text</b>.</p>
<p>Some <b>other</b>.</p>
<p>No bold text</p>
</body>")
y <- xml_find_all(x, ".//p")
z <- xml_find_first(y, ".//b")
xml_add_parent(z, "em")
expect_equal(xml_name(xml_parent(z)), c("em", "em"))
expect_equal(xml_name(xml_children(y)), c("em", "em"))
})
test_that("xml_new_document adds a default character encoding", {
x <- read_xml("<root>\u00E1\u00FC\u00EE</root>")
expect_equal(as.character(x), "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<root>\u00E1\u00FC\u00EE</root>\n")
x2 <- xml_new_document()
xml_add_child(x2, "root", "\u00E1\u00FC\u00EE")
expect_equal(as.character(x2), "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<root>\u00E1\u00FC\u00EE</root>\n")
})
test_that("xml_new_root is equivalent to using xml_new_document xml_add_child", {
x1 <- xml_add_child(xml_new_document(), "foo", "bar")
x2 <- xml_new_root("foo", "bar")
expect_identical(as.character(x1), as.character(x2))
})
test_that("xml_add_child can insert anywhere in the child list", {
x <- read_xml("<a/>")
xml_add_child(x, "z")
expect_equal(c("z"), xml_name(xml_children(x)))
xml_add_child(x, "w", .where = 0)
expect_equal(c("w", "z"), xml_name(xml_children(x)))
xml_add_child(x, "y", .where = 1)
expect_equal(c("w", "y", "z"), xml_name(xml_children(x)))
xml_add_child(x, "x", .where = 1)
expect_equal(c("w", "x", "y", "z"), xml_name(xml_children(x)))
})
test_that("xml_add_child can insert anywhere in a nodeset", {
x <- read_xml("<body>
<p>Some <b>text</b>.</p>
<p>Some <b>other</b>.</p>
<p>No bold text</p>
</body>")
y <- xml_find_all(x, ".//p")
z <- xml_find_first(y, ".//b")
xml_add_child(z, "bar")
xml_add_child(z, "foo", .where = 0)
expect_equal(c("foo", "bar", "foo", "bar"), xml_name(xml_children(z)))
})
test_that("Can write root nodes with namespaces", {
x <- xml_new_root("foo:bar", "xmlns:foo" = "http://foo/bar")
expect_equal(unclass(xml_ns(x)), c(foo = "http://foo/bar"))
expect_equal(as.character(xml_find_first(x, "/*")), "<foo:bar xmlns:foo=\"http://foo/bar\"/>")
})
|
