Move tests from spirv-builder to their own crate

.github/workflows/clippy.sh

@@ -38,6 +38,7 @@ clippy crates/spirv-builder
 clippy examples/runners/ash
 clippy examples/runners/wgpu
 
+clippy_no_features crates/testsuite
 clippy_no_features examples/runners/cpu
 clippy_no_features examples/shaders/sky-shader
 clippy_no_features examples/shaders/simplest-shader

.github/workflows/test.sh

@@ -50,6 +50,7 @@ fi
 
 cargo_test examples/runners/wgpu
 
+cargo_test_no_features crates/testsuite
 cargo_test_no_features examples/runners/cpu
 cargo_test_no_features examples/shaders/sky-shader
 cargo_test_no_features examples/shaders/simplest-shader

Cargo.toml

@@ -10,6 +10,7 @@ members = [
     "crates/spirv-std",
     "crates/spirv-tools",
     "crates/spirv-tools-sys",
+    "crates/testsuite",
 ]
 
 [patch.crates-io]

crates/spirv-builder/src/lib.rs

@@ -1,6 +1,3 @@
-#[cfg(test)]
-mod test;
-
 mod depfile;
 
 use raw_string::{RawStr, RawString};

crates/testsuite/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "testsuite"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+spirv-builder = { path = "../spirv-builder", default-features = false }
+rustc_codegen_spirv = { path = "../rustc_codegen_spirv", default-features = false }
+lazy_static = "1.4"
+pretty_assertions = "0.6"
+cfg-if = "0.1.10"

crates/spirv-builder/src/test/mod.rs → crates/testsuite/src/lib.rs

@@ -1,5 +1,9 @@
-mod basic;
-mod control_flow;
+cfg_if::cfg_if! {
+    if #[cfg(test)] {
+        mod basic;
+        mod control_flow;
+    }
+}
 
 use lazy_static::lazy_static;
 use rustc_codegen_spirv::rspirv;
@@ -74,7 +78,7 @@ fn setup(src: &str) -> Result<PathBuf, Box<dyn Error>> {
 
 fn build(src: &str) -> PathBuf {
     let project = setup(src).expect("Failed to set up project");
-    crate::SpirvBuilder::new(&project)
+    spirv_builder::SpirvBuilder::new(&project)
         .print_metadata(false)
         .build()
         .expect("Failed to build test")