move testing utilities to mod test

Author: Firestar99

crates/cargo-gpu/src/main.rs

@@ -67,6 +67,7 @@ mod lockfile;
 mod metadata;
 mod show;
 mod spirv_source;
+mod test;
 
 /// Central function to write to the user.
 #[macro_export]
@@ -223,57 +224,3 @@ fn to_dirname(text: &str) -> String {
     .collect::<Vec<_>>()
     .concat()
 }
-
-#[cfg(test)]
-mod test {
-    use crate::cache_dir;
-    use std::io::Write as _;
-
-    fn copy_dir_all(
-        src: impl AsRef<std::path::Path>,
-        dst: impl AsRef<std::path::Path>,
-    ) -> anyhow::Result<()> {
-        std::fs::create_dir_all(&dst)?;
-        for maybe_entry in std::fs::read_dir(src)? {
-            let entry = maybe_entry?;
-            let ty = entry.file_type()?;
-            if ty.is_dir() {
-                copy_dir_all(entry.path(), dst.as_ref().join(entry.file_name()))?;
-            } else {
-                std::fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
-            }
-        }
-        Ok(())
-    }
-
-    pub fn shader_crate_template_path() -> std::path::PathBuf {
-        let project_base = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-        project_base.join("../shader-crate-template")
-    }
-
-    pub fn shader_crate_test_path() -> std::path::PathBuf {
-        let shader_crate_path = crate::cache_dir().unwrap().join("shader_crate");
-        copy_dir_all(shader_crate_template_path(), shader_crate_path.clone()).unwrap();
-        shader_crate_path
-    }
-
-    pub fn overwrite_shader_cargo_toml(shader_crate_path: &std::path::Path) -> std::fs::File {
-        let cargo_toml = shader_crate_path.join("Cargo.toml");
-        let mut file = std::fs::OpenOptions::new()
-            .write(true)
-            .truncate(true)
-            .open(cargo_toml)
-            .unwrap();
-        writeln!(file, "[package]").unwrap();
-        writeln!(file, "name = \"test\"").unwrap();
-        file
-    }
-
-    pub fn tests_teardown() {
-        let cache_dir = cache_dir().unwrap();
-        if !cache_dir.exists() {
-            return;
-        }
-        std::fs::remove_dir_all(cache_dir).unwrap();
-    }
-}

crates/cargo-gpu/src/test.rs

@@ -0,0 +1,53 @@
+//! utilities for tests
+#![cfg(test)]
+
+use crate::cache_dir;
+use std::io::Write as _;
+
+fn copy_dir_all(
+    src: impl AsRef<std::path::Path>,
+    dst: impl AsRef<std::path::Path>,
+) -> anyhow::Result<()> {
+    std::fs::create_dir_all(&dst)?;
+    for maybe_entry in std::fs::read_dir(src)? {
+        let entry = maybe_entry?;
+        let ty = entry.file_type()?;
+        if ty.is_dir() {
+            copy_dir_all(entry.path(), dst.as_ref().join(entry.file_name()))?;
+        } else {
+            std::fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
+        }
+    }
+    Ok(())
+}
+
+pub fn shader_crate_template_path() -> std::path::PathBuf {
+    let project_base = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    project_base.join("../shader-crate-template")
+}
+
+pub fn shader_crate_test_path() -> std::path::PathBuf {
+    let shader_crate_path = crate::cache_dir().unwrap().join("shader_crate");
+    copy_dir_all(shader_crate_template_path(), shader_crate_path.clone()).unwrap();
+    shader_crate_path
+}
+
+pub fn overwrite_shader_cargo_toml(shader_crate_path: &std::path::Path) -> std::fs::File {
+    let cargo_toml = shader_crate_path.join("Cargo.toml");
+    let mut file = std::fs::OpenOptions::new()
+        .write(true)
+        .truncate(true)
+        .open(cargo_toml)
+        .unwrap();
+    writeln!(file, "[package]").unwrap();
+    writeln!(file, "name = \"test\"").unwrap();
+    file
+}
+
+pub fn tests_teardown() {
+    let cache_dir = cache_dir().unwrap();
+    if !cache_dir.exists() {
+        return;
+    }
+    std::fs::remove_dir_all(cache_dir).unwrap();
+}