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
|
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use structopt::StructOpt;
mod utils;
#[test]
fn flatten() {
#[derive(StructOpt, PartialEq, Debug)]
struct Common {
arg: i32,
}
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(flatten)]
common: Common,
}
assert_eq!(
Opt {
common: Common { arg: 42 }
},
Opt::from_iter(&["test", "42"])
);
assert!(Opt::clap().get_matches_from_safe(&["test"]).is_err());
assert!(Opt::clap()
.get_matches_from_safe(&["test", "42", "24"])
.is_err());
}
#[test]
#[should_panic]
fn flatten_twice() {
#[derive(StructOpt, PartialEq, Debug)]
struct Common {
arg: i32,
}
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(flatten)]
c1: Common,
// Defines "arg" twice, so this should not work.
#[structopt(flatten)]
c2: Common,
}
Opt::from_iter(&["test", "42", "43"]);
}
#[test]
fn flatten_in_subcommand() {
#[derive(StructOpt, PartialEq, Debug)]
struct Common {
arg: i32,
}
#[derive(StructOpt, PartialEq, Debug)]
struct Add {
#[structopt(short)]
interactive: bool,
#[structopt(flatten)]
common: Common,
}
#[derive(StructOpt, PartialEq, Debug)]
enum Opt {
Fetch {
#[structopt(short)]
all: bool,
#[structopt(flatten)]
common: Common,
},
Add(Add),
}
assert_eq!(
Opt::Fetch {
all: false,
common: Common { arg: 42 }
},
Opt::from_iter(&["test", "fetch", "42"])
);
assert_eq!(
Opt::Add(Add {
interactive: true,
common: Common { arg: 43 }
}),
Opt::from_iter(&["test", "add", "-i", "43"])
);
}
#[test]
fn merge_subcommands_with_flatten() {
#[derive(StructOpt, PartialEq, Debug)]
enum BaseCli {
Command1(Command1),
}
#[derive(StructOpt, PartialEq, Debug)]
struct Command1 {
arg1: i32,
}
#[derive(StructOpt, PartialEq, Debug)]
struct Command2 {
arg2: i32,
}
#[derive(StructOpt, PartialEq, Debug)]
enum Opt {
#[structopt(flatten)]
BaseCli(BaseCli),
Command2(Command2),
}
assert_eq!(
Opt::BaseCli(BaseCli::Command1(Command1 { arg1: 42 })),
Opt::from_iter(&["test", "command1", "42"])
);
assert_eq!(
Opt::Command2(Command2 { arg2: 43 }),
Opt::from_iter(&["test", "command2", "43"])
);
}
#[test]
#[should_panic = "structopt misuse: You likely tried to #[flatten] a struct \
that contains #[subcommand]. This is forbidden."]
fn subcommand_in_flatten() {
#[derive(Debug, StructOpt)]
pub enum Struct1 {
#[structopt(flatten)]
Struct1(Struct2),
}
#[derive(Debug, StructOpt)]
pub struct Struct2 {
#[structopt(subcommand)]
command_type: Enum3,
}
#[derive(Debug, StructOpt)]
pub enum Enum3 {
Command { args: Vec<String> },
}
Struct1::from_iter(&["test", "command", "foo"]);
}
#[test]
fn flatten_doc_comment() {
#[derive(StructOpt, PartialEq, Debug)]
struct Common {
/// This is an arg. Arg means "argument". Command line argument.
arg: i32,
}
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
/// The very important comment that clippy had me put here.
/// It knows better.
#[structopt(flatten)]
common: Common,
}
assert_eq!(
Opt {
common: Common { arg: 42 }
},
Opt::from_iter(&["test", "42"])
);
let help = utils::get_help::<Opt>();
assert!(help.contains("This is an arg."));
assert!(!help.contains("The very important"));
}
|
