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

use crate::shell::utilities::{escape, qualify_binary_path};
use crate::shell::Shell;

pub struct Zsh;

impl Shell for Zsh {
    fn name(&self) -> &'static str {
        "zsh"
    }

    fn init(&self, binary: &str, autoload_hook: bool) -> String {
        let mut init = format!(
            include_str!("zsh_init.zsh"),
            binary,
            qualify_binary_path(binary)
        );

        if autoload_hook {
            init.push_str(&format!(include_str!("zsh_init_autoload.zsh"), binary));
        }

        init
    }

    fn set_var(&self, var: &str, value: &str) -> String {
        format!("export {}={}", var, escape(value))
    }

    fn set_alias(&self, var: &str, value: &str) -> String {
        format!("alias {}={}", var, escape(&value))
    }

    fn set_function(&self, var: &str, value: &str) -> String {
        format!("function {} {{\n  {}\n}}", var, value.replace("\n", "\n  "))
    }

    fn unset_var(&self, var: &str) -> String {
        format!("unset {}", var)
    }

    fn unset_alias(&self, var: &str) -> String {
        format!("unalias {} 2>/dev/null", var)
    }

    fn unset_function(&self, var: &str) -> String {
        format!("unset -f {}", var)
    }
}

#[cfg(test)]
mod tests {
    mod edit {
        use std::ffi::OsString;

        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_edits_path() {
            let shell = Zsh {};
            let output = shell.edit(Some(OsString::from("foo")), "foo/bar");
            assert_eq!(output, Some(r#"foo 'foo/bar'"#.to_string()));
        }
    }

    mod init {
        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_defaults() {
            let shell = Zsh {};
            let output = shell.init("foo", false);
            assert_eq!(
                output,
                "function foo {\n  eval \"$(command foo --shell zsh \"$@\")\"\n}\n"
            );
        }

        #[test]
        fn it_includes_autoload() {
            let shell = Zsh {};
            let output = shell.init("foo", true);
            assert_eq!(output.contains("--autoload"), true);
        }
    }

    mod set_var {
        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_works() {
            let shell = Zsh {};
            let output = shell.set_var("foo", "bar");
            assert_eq!(output, "export foo=bar");
        }
    }

    mod set_alias {
        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_works() {
            let shell = Zsh {};
            let output = shell.set_alias("foo", "bar");
            assert_eq!(output, "alias foo=bar");
        }
    }

    mod set_function {
        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_works() {
            let shell = Zsh {};
            let output = shell.set_function("foo", "bar");
            assert_eq!(output, "function foo {\n  bar\n}");
        }
    }

    mod unset_var {
        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_works() {
            let shell = Zsh {};
            let output = shell.unset_var("foo");
            assert_eq!(output, "unset foo");
        }
    }

    mod unset_alias {
        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_works() {
            let shell = Zsh {};
            let output = shell.unset_alias("foo");
            assert_eq!(output, "unalias foo 2>/dev/null");
        }
    }

    mod unset_function {
        use super::super::*;
        use pretty_assertions::assert_eq;

        #[test]
        fn it_works() {
            let shell = Zsh {};
            let output = shell.unset_function("foo");
            assert_eq!(output, "unset -f foo");
        }
    }
}