nandi.uk
Fork of daniellemaywood.uk/gleam — Wasm codegen work
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1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2022 The Gleam contributors
3
4use std::path::PathBuf;
5
6pub fn main() {
7 println!("cargo:rerun-if-changed=cases");
8
9 let mut module = "// SPDX-License-Identifier: Apache-2.0
10// SPDX-FileCopyrightText: 2024 The Gleam contributors
11
12//! This file is generated by build.rs
13//! Do not edit it directly, instead add new test cases to ./cases
14
15use gleam_core::build::Mode;
16"
17 .to_string();
18
19 let cases = PathBuf::from("./cases");
20
21 let mut names: Vec<_> = std::fs::read_dir(&cases)
22 .unwrap()
23 .map(|entry| entry.unwrap().file_name().into_string().unwrap())
24 .collect();
25 names.sort();
26
27 for name in names {
28 let path = cases.join(&name);
29 let path = path.to_str().unwrap().replace('\\', "/");
30 module.push_str(&testcase(&name, &path, "Dev"));
31 module.push_str(&testcase(&name, &path, "Prod"));
32 module.push_str(&testcase(&name, &path, "Lsp"));
33 }
34
35 let out = PathBuf::from("./src/generated_tests.rs");
36 std::fs::write(out, module).unwrap();
37}
38
39fn testcase(name: &str, path: &str, mode: &str) -> String {
40 format!(
41 r#"
42#[rustfmt::skip]
43#[test]
44fn {name}() {{
45 let output = crate::prepare("{path}", Mode::{mode});
46 insta::assert_snapshot!(
47 "{name}",
48 output,
49 "{path}",
50 );
51}}
52"#,
53 name = format!("{name}_{}", mode.to_lowercase())
54 )
55}