imdl 0.1.16

📦 A 40' shipping container for the internet
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

use crate::common::*;

macro_rules! test_env {
  {
    args: [$($arg:expr),* $(,)?],
    $(cwd: $cwd:expr,)?
    $(input: $input:expr,)?
    $(err_style: $err_style:expr,)?
    tree: {
      $($tree:tt)*
    }
    $(, matches: $result:pat)?

    $(,)?
  } => {
    {
      let tempdir = temptree! { $($tree)* };

      let env = TestEnvBuilder::new()
        $(.current_dir(tempdir.path().join($cwd)))?
        $(.err_style($err_style))?
        $(.input($input))?
        .tempdir(tempdir)
        .arg("imdl")
        $(.arg($arg))*
        .build();

      $(
        let mut env = env;
        assert_matches!(env.run(), $result);
      )?

      env
    }
  }
}

pub(crate) struct TestEnv {
  env: Env,
  err: Capture,
  out: Capture,
  #[allow(unused)]
  tempdir: TempDir,
}

impl TestEnv {
  pub(crate) fn new(tempdir: TempDir, env: Env, err: Capture, out: Capture) -> TestEnv {
    Self {
      env,
      err,
      out,
      tempdir,
    }
  }

  pub(crate) fn err(&self) -> String {
    self.err.string()
  }

  pub(crate) fn out(&self) -> String {
    self.out.string()
  }

  pub(crate) fn out_bytes(&self) -> Vec<u8> {
    self.out.bytes()
  }

  pub(crate) fn write(&self, path: impl AsRef<Path>, bytes: impl AsRef<[u8]>) {
    fs::write(self.env.resolve(path).unwrap(), bytes.as_ref()).unwrap();
  }

  pub(crate) fn remove_file(&self, path: impl AsRef<Path>) {
    fs::remove_file(self.env.resolve(path).unwrap()).unwrap();
  }

  pub(crate) fn create_dir(&self, path: impl AsRef<Path>) {
    fs::create_dir(self.env.resolve(path).unwrap()).unwrap();
  }

  pub(crate) fn rename(&self, from: impl AsRef<Path>, to: impl AsRef<Path>) {
    fs::rename(
      self.env.resolve(from).unwrap(),
      self.env.resolve(to).unwrap(),
    )
    .unwrap();
  }

  pub(crate) fn read_to_string(&self, path: impl AsRef<Path>) -> String {
    fs::read_to_string(self.env.resolve(path).unwrap()).unwrap()
  }

  #[cfg(unix)]
  pub(crate) fn metadata(&self, path: impl AsRef<Path>) -> fs::Metadata {
    fs::metadata(self.env.resolve(path).unwrap()).unwrap()
  }

  #[cfg(unix)]
  pub(crate) fn set_permissions(&self, path: impl AsRef<Path>, permissions: fs::Permissions) {
    fs::set_permissions(self.env.resolve(path).unwrap(), permissions).unwrap();
  }

  #[track_caller]
  pub(crate) fn assert_ok(&mut self) {
    match self.run() {
      Ok(()) => {}
      Err(err) => {
        eprintln!("Run failed: {err}");
        eprintln!("Std error:\n{}", self.err());
        eprintln!("Std output:\n{}", self.out());
        panic!();
      }
    }
  }

  pub(crate) fn load_metainfo(&mut self, filename: impl AsRef<Path>) -> Metainfo {
    let path = filename.as_ref();
    let target = InputTarget::try_from(path.as_os_str()).unwrap();
    let input = self.env.read(target).unwrap();
    Metainfo::from_input(&input).unwrap()
  }
}

impl Deref for TestEnv {
  type Target = Env;

  fn deref(&self) -> &Self::Target {
    &self.env
  }
}

impl DerefMut for TestEnv {
  fn deref_mut(&mut self) -> &mut Self::Target {
    &mut self.env
  }
}