1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/semver/tests/node/mod.rs b/vendor/semver/tests/node/mod.rs
new file mode 100644
index 000000000..eb50673d5
--- /dev/null
+++ b/vendor/semver/tests/node/mod.rs
@@ -0,0 +1,43 @@
+#![cfg(test_node_semver)]
+
+use semver::Version;
+use std::fmt::{self, Display};
+use std::process::Command;
+
+#[derive(Default, Eq, PartialEq, Hash, Debug)]
+pub(super) struct VersionReq(semver::VersionReq);
+
+impl VersionReq {
+    pub(super) const STAR: Self = VersionReq(semver::VersionReq::STAR);
+
+    pub(super) fn matches(&self, version: &Version) -> bool {
+        let out = Command::new("node")
+            .arg("-e")
+            .arg(format!(
+                "console.log(require('semver').satisfies('{}', '{}'))",
+                version,
+                self.to_string().replace(',', ""),
+            ))
+            .output()
+            .unwrap();
+        if out.stdout == b"true\n" {
+            true
+        } else if out.stdout == b"false\n" {
+            false
+        } else {
+            let s = String::from_utf8_lossy(&out.stdout) + String::from_utf8_lossy(&out.stderr);
+            panic!("unexpected output: {}", s);
+        }
+    }
+}
+
+impl Display for VersionReq {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        Display::fmt(&self.0, formatter)
+    }
+}
+
+#[cfg_attr(not(no_track_caller), track_caller)]
+pub(super) fn req(text: &str) -> VersionReq {
+    VersionReq(crate::util::req(text))
+}