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
|
extern crate clap;
extern crate regex;
include!("../clap-test.rs");
use clap::{App, Arg, ArgGroup, ErrorKind, SubCommand};
static REQ_GROUP_USAGE: &'static str = "error: The following required arguments were not provided:
<base|--delete>
USAGE:
clap-test <base|--delete>
For more information try --help";
static REQ_GROUP_CONFLICT_USAGE: &'static str = "error: The argument '<base>' cannot be used with '--delete'
USAGE:
clap-test <base|--delete>
For more information try --help";
static REQ_GROUP_CONFLICT_REV: &'static str = "error: The argument '--delete' cannot be used with 'base'
USAGE:
clap-test <base|--delete>
For more information try --help";
#[test]
fn required_group_missing_arg() {
let result = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color 'some other flag'")
.group(ArgGroup::with_name("req")
.args(&["flag", "color"])
.required(true))
.get_matches_from_safe(vec![""]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
#[should_panic]
fn non_existing_arg() {
let _ = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color 'some other flag'")
.group(ArgGroup::with_name("req")
.args(&["flg", "color"])
.required(true))
.get_matches_from_safe(vec![""]);
}
#[test]
#[should_panic(expected = "The group 'c' contains the arg 'd' that doesn't actually exist.")]
fn non_existing_arg_in_subcommand_help() {
let _ = App::new("a")
.subcommand(
SubCommand::with_name("b")
.group(
ArgGroup::with_name("c")
.args(&["d"])
.required(true),
)
).get_matches_from_safe(vec!["a", "help", "b"]);
}
#[test]
fn group_single_value() {
let res = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color [color] 'some option'")
.group(ArgGroup::with_name("grp")
.args(&["flag", "color"]))
.get_matches_from_safe(vec!["", "-c", "blue"]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("grp"));
assert_eq!(m.value_of("grp").unwrap(), "blue");
}
#[test]
fn group_single_flag() {
let res = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color [color] 'some option'")
.group(ArgGroup::with_name("grp")
.args(&["flag", "color"]))
.get_matches_from_safe(vec!["", "-f"]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("grp"));
assert!(m.value_of("grp").is_none());
}
#[test]
fn group_empty() {
let res = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color [color] 'some option'")
.group(ArgGroup::with_name("grp")
.args(&["flag", "color"]))
.get_matches_from_safe(vec![""]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(!m.is_present("grp"));
assert!(m.value_of("grp").is_none());
}
#[test]
fn group_reqired_flags_empty() {
let result = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color 'some option'")
.group(ArgGroup::with_name("grp")
.required(true)
.args(&["flag", "color"]))
.get_matches_from_safe(vec![""]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn group_multi_value_single_arg() {
let res = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color [color]... 'some option'")
.group(ArgGroup::with_name("grp")
.args(&["flag", "color"]))
.get_matches_from_safe(vec!["", "-c", "blue", "red", "green"]);
assert!(res.is_ok(), "{:?}", res.unwrap_err().kind);
let m = res.unwrap();
assert!(m.is_present("grp"));
assert_eq!(&*m.values_of("grp").unwrap().collect::<Vec<_>>(), &["blue", "red", "green"]);
}
#[test]
fn empty_group() {
let r = App::new("empty_group")
.arg(Arg::from_usage("-f, --flag 'some flag'"))
.group(ArgGroup::with_name("vers")
.required(true))
.get_matches_from_safe(vec!["empty_prog"]);
assert!(r.is_err());
let err = r.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn req_group_usage_string() {
let app = App::new("req_group")
.args_from_usage("[base] 'Base commit'
-d, --delete 'Remove the base commit information'")
.group(ArgGroup::with_name("base_or_delete")
.args(&["base", "delete"])
.required(true));
assert!(test::compare_output(app, "clap-test", REQ_GROUP_USAGE, true));
}
#[test]
fn req_group_with_conflict_usage_string() {
let app = App::new("req_group")
.arg(Arg::from_usage("[base] 'Base commit'").conflicts_with("delete"))
.arg(Arg::from_usage("-d, --delete 'Remove the base commit information'"))
.group(ArgGroup::with_name("base_or_delete")
.args(&["base", "delete"])
.required(true));
assert!(test::compare_output2(app, "clap-test --delete base", REQ_GROUP_CONFLICT_REV, REQ_GROUP_CONFLICT_USAGE, true));
}
#[test]
fn required_group_multiple_args() {
let result = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color 'some other flag'")
.group(ArgGroup::with_name("req")
.args(&["flag", "color"])
.required(true)
.multiple(true))
.get_matches_from_safe(vec!["group", "-f", "-c"]);
assert!(result.is_ok());
let m = result.unwrap();
assert!(m.is_present("flag"));
assert!(m.is_present("color"));
}
#[test]
fn group_multiple_args_error() {
let result = App::new("group")
.args_from_usage("-f, --flag 'some flag'
-c, --color 'some other flag'")
.group(ArgGroup::with_name("req")
.args(&["flag", "color"]))
.get_matches_from_safe(vec!["group", "-f", "-c"]);
assert!(result.is_err());
let err = result.unwrap_err();
assert_eq!(err.kind, ErrorKind::ArgumentConflict);
}
|
