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
|
regexes <- list(
assign = rex::rex("Use one of <-, <<- for assignment, not =."),
local_var = rex::rex("local variable"),
quotes = rex::rex("Only use double-quotes."),
trailing = rex::rex("Remove trailing blank lines."),
trailws = rex::rex("Remove trailing whitespace."),
indent = rex::rex("Indentation should be")
)
test_that("it handles dir", {
file_pattern <- rex::rex(".R", one_of("html", "md", "nw", "rst", "tex", "txt"))
lints <- lint_dir(path = "knitr_formats", pattern = file_pattern, parse_settings = FALSE)
# For every file there should be at least 1 lint
expect_identical(
sort(unique(names(lints))),
sort(list.files(test_path("knitr_formats"), pattern = file_pattern))
)
})
test_that("it handles markdown", {
expect_lint(
file = test_path("knitr_formats", "test.Rmd"),
checks = list(
list(regexes[["assign"]], line_number = 9L),
list(regexes[["local_var"]], line_number = 22L),
list(regexes[["assign"]], line_number = 22L),
list(regexes[["trailing"]], line_number = 24L)
),
linters = default_linters,
parse_settings = FALSE
)
})
test_that("it handles quarto", {
expect_lint(
file = test_path("knitr_formats", "test.qmd"),
checks = list(
list(regexes[["assign"]], line_number = 9L),
list(regexes[["local_var"]], line_number = 22L),
list(regexes[["assign"]], line_number = 22L),
list(regexes[["trailing"]], line_number = 24L)
),
linters = default_linters,
parse_settings = FALSE
)
})
test_that("it handles Sweave", {
expect_lint(
file = test_path("knitr_formats", "test.Rnw"),
checks = list(
list(regexes[["assign"]], line_number = 12L),
list(regexes[["local_var"]], line_number = 24L),
list(regexes[["assign"]], line_number = 24L),
list(regexes[["trailing"]], line_number = 26L)
),
linters = default_linters,
parse_settings = FALSE
)
})
test_that("it handles reStructuredText", {
expect_lint(
file = test_path("knitr_formats", "test.Rrst"),
checks = list(
list(regexes[["assign"]], line_number = 10L),
list(regexes[["local_var"]], line_number = 23L),
list(regexes[["assign"]], line_number = 23L),
list(regexes[["trailing"]], line_number = 25L)
),
linters = default_linters,
parse_settings = FALSE
)
})
test_that("it handles HTML", {
expect_lint(
file = test_path("knitr_formats", "test.Rhtml"),
checks = list(
list(regexes[["assign"]], line_number = 15L),
list(regexes[["local_var"]], line_number = 27L),
list(regexes[["assign"]], line_number = 27L),
list(regexes[["trailing"]], line_number = 29L)
),
linters = default_linters,
parse_settings = FALSE
)
})
test_that("it handles tex", {
expect_lint(
file = test_path("knitr_formats", "test.Rtex"),
checks = list(
list(regexes[["indent"]], line_number = 11L),
list(regexes[["assign"]], line_number = 11L),
list(regexes[["indent"]], line_number = 22L),
list(regexes[["local_var"]], line_number = 23L),
list(regexes[["assign"]], line_number = 23L),
list(regexes[["trailing"]], line_number = 25L),
list(regexes[["trailws"]], line_number = 25L)
),
linters = default_linters,
parse_settings = FALSE
)
})
test_that("it handles asciidoc", {
expect_lint(
file = test_path("knitr_formats", "test.Rtxt"),
checks = list(
list(regexes[["assign"]], line_number = 9L),
list(regexes[["local_var"]], line_number = 22L),
list(regexes[["assign"]], line_number = 22L),
list(regexes[["trailing"]], line_number = 24L)
),
linters = default_linters,
parse_settings = FALSE
)
})
test_that("it does _not_ handle brew", {
expect_lint("'<% a %>'\n",
checks = list(
regexes[["quotes"]],
regexes[["trailing"]]
),
default_linters
)
})
test_that("it does _not_ error with inline \\Sexpr", {
expect_lint(
"#' text \\Sexpr{1 + 1} more text",
NULL,
default_linters
)
})
test_that("it does lint .Rmd or .qmd file with malformed input", {
expect_lint(
file = test_path("knitr_malformed", "incomplete_r_block.Rmd"),
checks = "Missing chunk end",
linters = default_linters,
parse_settings = FALSE
)
expect_lint(
file = test_path("knitr_malformed", "incomplete_r_block.qmd"),
checks = "Missing chunk end",
linters = default_linters,
parse_settings = FALSE
)
contents <- c(
trim_some("
```{r chunk}
lm(x ~ y)
# some text
```
bash some_script.sh
```
"),
trim_some("
```{r chunk-1}
code <- 42
# A heading
Some text
```{r chunk-2}
some_more_code <- 42
```
"),
trim_some("
```{r chunk-1}
code <- 42
```
# A heading
Some text
```{r chunk-2}
some_more_code <- 42
")
)
expected <- list(
NULL, # This test case would require parsing all chunk fences, not just r chunks.
"maybe starting at line 1",
"maybe starting at line 8"
)
for (i in seq_along(contents)) {
expect_lint(contents[[i]], expected[[i]], linters = list())
}
})
|
