From 337e40a2bea4f5d9ab3f4faae639877f3c396f24 Mon Sep 17 00:00:00 2001
From: Jim Blandy <jimb@red-bean.com>
Date: Fri, 16 Jul 2021 20:09:48 -0700
Subject: [PATCH] Enable logging in WGSL and SPIR-V tests. (#1098)

Use env_logger::try_init to avoid complaints about repeated initialization. This
function is thread-safe.
---
 tests/snapshots.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tests/snapshots.rs b/tests/snapshots.rs
index 74de68f349..932ebb35eb 100644
--- a/tests/snapshots.rs
+++ b/tests/snapshots.rs
@@ -324,6 +324,8 @@ fn write_output_wgsl(
 #[cfg(feature = "wgsl-in")]
 #[test]
 fn convert_wgsl() {
+    let _ = env_logger::try_init();
+
     let root = env!("CARGO_MANIFEST_DIR");
     let inputs = [
         (
@@ -407,6 +409,8 @@ fn convert_wgsl() {
 
 #[cfg(feature = "spv-in")]
 fn convert_spv(name: &str, adjust_coordinate_space: bool, targets: Targets) {
+    let _ = env_logger::try_init();
+
     let root = env!("CARGO_MANIFEST_DIR");
     let module = naga::front::spv::parse_u8_slice(
         &fs::read(format!("{}/{}/spv/{}.spv", root, BASE_DIR_IN, name))
@@ -453,7 +457,7 @@ fn convert_spv_pointer_access() {
 #[allow(unused_variables)]
 #[test]
 fn convert_glsl_folder() {
-    env_logger::init();
+    let _ = env_logger::try_init();
 
     let root = env!("CARGO_MANIFEST_DIR");