dinghy_test/
lib.rs

1use std::env;
2use std::fs::File;
3use std::io::prelude::*;
4use std::path::PathBuf;
5
6pub fn test_project_path() -> PathBuf {
7    if cfg!(any(
8        target_os = "ios",
9        target_os = "watchos",
10        target_os = "tvos",
11        target_os = "android"
12    )) || env::var("DINGHY").is_ok()
13    {
14        let current_exe = env::current_exe().expect("Current exe path not accessible");
15
16        current_exe
17            .parent()
18            .expect(&format!(
19                "Current exe path is invalid {}",
20                current_exe.display()
21            ))
22            .into()
23    } else {
24        PathBuf::from(".")
25    }
26}
27
28pub fn test_file_path(test_data_id: &str) -> PathBuf {
29    try_test_file_path(test_data_id).expect(&format!("Couldn't find test data {}", test_data_id))
30}
31
32pub fn try_test_file_path(test_data_id: &str) -> Option<PathBuf> {
33    let current_exe = env::current_exe().expect("Current exe path not accessible");
34
35    if cfg!(any(
36        target_os = "ios",
37        target_os = "watchos",
38        target_os = "tvos",
39        target_os = "android"
40    )) || env::var("DINGHY").is_ok()
41    {
42        current_exe
43            .parent()
44            .map(|it| it.join("test_data"))
45            .map(|it| it.join(test_data_id))
46    } else {
47        let test_data_path = current_exe
48            .parent()
49            .and_then(|it| it.parent())
50            .map(|it| it.join("dinghy"))
51            .map(|it| it.join(current_exe.file_name().unwrap()))
52            .map(|it| it.join("test_data"));
53        let test_data_path = match test_data_path {
54            None => return None,
55            Some(test_data_cfg_path) => test_data_cfg_path,
56        };
57
58        let test_data_cfg_path = test_data_path.join("test_data.cfg");
59
60        let mut contents = String::new();
61        let test_data_cfg =
62            File::open(&test_data_cfg_path).and_then(|mut f| f.read_to_string(&mut contents));
63        if let Err(_) = test_data_cfg {
64            return None;
65        }
66
67        contents
68            .lines()
69            .map(|line| line.split(":"))
70            .map(|mut line| (line.next(), line.next()))
71            .find(|&(id, _)| id.map(|it| it == test_data_id).unwrap_or(false))
72            .and_then(|(_, path)| path)
73            .map(PathBuf::from)
74    }
75}