cargo-edit 0.3.1

This extends Cargo to allow you to add and remove dependencies by modifying your `Cargo.toml` file from the command line. It contains `cargo add`, `cargo rm`, and `cargo upgrade`.
Documentation 
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

extern crate assert_cli;

mod utils;
use utils::{clone_out_test, execute_command, get_toml};

#[test]
fn remove_existing_dependency() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    let toml = get_toml(&manifest);
    assert!(!toml["dependencies"]["docopt"].is_none());
    execute_command(&["rm", "docopt"], &manifest);
    let toml = get_toml(&manifest);
    assert!(toml["dependencies"]["docopt"].is_none());
}

#[test]
fn remove_existing_dependency_from_specific_section() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    // Test removing dev dependency.
    let toml = get_toml(&manifest);
    assert!(!toml["dev-dependencies"]["regex"].is_none());
    execute_command(&["rm", "--dev", "regex"], &manifest);
    let toml = get_toml(&manifest);
    assert!(toml["dev-dependencies"].is_none());

    // Test removing build dependency.
    let toml = get_toml(&manifest);
    assert!(!toml["build-dependencies"]["semver"].is_none());
    execute_command(&["rm", "--build", "semver"], &manifest);
    let toml = get_toml(&manifest);
    assert!(toml["build-dependencies"].is_none());
}

#[test]
fn remove_section_after_removed_last_dependency() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    let toml = get_toml(&manifest);
    assert!(!toml["dev-dependencies"]["regex"].is_none());
    assert_eq!(toml["dev-dependencies"].as_table().unwrap().len(), 1);

    execute_command(&["rm", "--dev", "regex"], &manifest);

    let toml = get_toml(&manifest);
    assert!(toml["dev-dependencies"].is_none());
}

// https://github.com/killercup/cargo-edit/issues/32
#[test]
fn issue_32() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    let toml = get_toml(&manifest);
    assert!(toml["dependencies"]["foo"].is_none());

    execute_command(&["add", "foo@1.0"], &manifest);
    execute_command(&["add", "bar@1.0.7"], &manifest);

    let toml = get_toml(&manifest);
    assert!(!toml["dependencies"]["foo"].is_none());
    assert!(!toml["dependencies"]["bar"].is_none());

    execute_command(&["rm", "foo"], &manifest);
    execute_command(&["rm", "bar"], &manifest);

    let toml = get_toml(&manifest);
    assert!(toml["dependencies"]["foo"].is_none());
    assert!(toml["dependencies"]["bar"].is_none());
}

#[test]
fn invalid_dependency() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    assert_cli::Assert::command(&[
        "target/debug/cargo-rm",
        "rm",
        "invalid_dependency_name",
        &format!("--manifest-path={}", manifest),
    ]).fails_with(1)
        .and()
        .stderr().is(
            "Command failed due to unhandled error: The dependency `invalid_dependency_name` could \
             not be found in `dependencies`.",
        )
        .unwrap();
}

#[test]
fn invalid_section() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    execute_command(&["rm", "semver", "--build"], &manifest);
    assert_cli::Assert::command(&[
        "target/debug/cargo-rm",
        "rm",
        "semver",
        "--build",
        &format!("--manifest-path={}", manifest),
    ]).fails_with(1)
        .and()
        .stderr()
        .is(
            "Command failed due to unhandled error: The table `build-dependencies` could not be \
             found.",
        )
        .unwrap();
}

#[test]
fn invalid_dependency_in_section() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    assert_cli::Assert::command(&[
        "target/debug/cargo-rm",
        "rm",
        "semver",
        "--dev",
        &format!("--manifest-path={}", manifest),
    ]).fails_with(1)
        .and()
        .stderr()
        .is(
            "Command failed due to unhandled error: The dependency `semver` could not be found in \
             `dev-dependencies`.",
        )
        .unwrap();
}

#[test]
fn no_argument() {
    assert_cli::Assert::command(&["target/debug/cargo-rm", "rm"])
        .fails_with(1)
        .and()
        .stderr()
        .is(r"Invalid arguments.

Usage:
    cargo rm <crate> [--dev|--build] [options]
    cargo rm (-h|--help)
    cargo rm --version")
        .unwrap();
}

#[test]
fn unknown_flags() {
    assert_cli::Assert::command(&["target/debug/cargo-rm", "rm", "foo", "--flag"])
        .fails_with(1)
        .and()
        .stderr()
        .is(r"Unknown flag: '--flag'

Usage:
    cargo rm <crate> [--dev|--build] [options]
    cargo rm (-h|--help)
    cargo rm --version")
        .unwrap();
}

#[test]
fn rm_prints_message() {
    let (_tmpdir, manifest) = clone_out_test("tests/fixtures/rm/Cargo.toml.sample");

    assert_cli::Assert::command(&[
        "target/debug/cargo-rm",
        "rm",
        "semver",
        &format!("--manifest-path={}", manifest),
    ]).succeeds()
        .and()
        .stdout()
        .is("Removing semver from dependencies")
        .unwrap();
}