RUST-2208 test Atlas with X509 auth (#1374)

Author: kevinAlbs

.evergreen/run-atlas-tests.sh

@@ -12,6 +12,13 @@ source "${DRIVERS_TOOLS}/.evergreen/secrets_handling/setup-secrets.sh" drivers/a
 
 set +o errexit
 
+# Create client certificate file from base64 encoded secret:
+mkdir -p .secrets
+chmod 700 .secrets
+echo "${ATLAS_X509_DEV_CERT_BASE64}" | base64 --decode > .secrets/clientcert.pem
+ATLAS_X509_DEV_WITH_CERT="${ATLAS_X509_DEV}&tlsCertificateKeyFile=.secrets/clientcert.pem"
+export ATLAS_X509_DEV_WITH_CERT
+
 cargo_test test::atlas_connectivity
 
 exit $CARGO_RESULT

.gitignore

@@ -14,3 +14,4 @@
 mongocryptd.pid
 semgrep/
 sarif.json
+.secrets

src/test/atlas_connectivity.rs

@@ -95,3 +95,13 @@ async fn atlas_tls12_srv() {
     run_test("ATLAS_SRV_TLS12", None).await;
     run_test("ATLAS_SRV_TLS12", Some(ResolverConfig::cloudflare())).await;
 }
+
+#[tokio::test]
+async fn atlas_x509() {
+    run_test("ATLAS_X509_DEV_WITH_CERT", None).await;
+    run_test(
+        "ATLAS_X509_DEV_WITH_CERT",
+        Some(ResolverConfig::cloudflare()),
+    )
+    .await;
+}